Merging upstream version 20.11.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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141 changed files with 66644 additions and 54334 deletions
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<title>sqlglot._typing API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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@ -57,15 +57,17 @@
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</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a>
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</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span>
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</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a>
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</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">import</span> <span class="nn">sqlglot</span>
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</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">typing_extensions</span> <span class="kn">import</span> <span class="n">Literal</span> <span class="k">as</span> <span class="n">Lit</span> <span class="c1"># noqa</span>
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</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a>
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</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="c1"># A little hack for backwards compatibility with Python 3.7.</span>
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</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="c1"># For example, we might want a TypeVar for objects that support comparison e.g. SupportsRichComparisonT from typeshed.</span>
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</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="c1"># But Python 3.7 doesn't support Protocols, so we'd also need typing_extensions, which we don't want as a dependency.</span>
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</span><span id="L-10"><a href="#L-10"><span class="linenos">10</span></a><span class="n">A</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"A"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span>
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</span><span id="L-11"><a href="#L-11"><span class="linenos">11</span></a>
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</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a><span class="n">E</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"E"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="s2">"sqlglot.exp.Expression"</span><span class="p">)</span>
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</span><span id="L-13"><a href="#L-13"><span class="linenos">13</span></a><span class="n">T</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"T"</span><span class="p">)</span>
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</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">import</span> <span class="nn">sqlglot</span>
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</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a>
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</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="c1"># A little hack for backwards compatibility with Python 3.7.</span>
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</span><span id="L-10"><a href="#L-10"><span class="linenos">10</span></a><span class="c1"># For example, we might want a TypeVar for objects that support comparison e.g. SupportsRichComparisonT from typeshed.</span>
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</span><span id="L-11"><a href="#L-11"><span class="linenos">11</span></a><span class="c1"># But Python 3.7 doesn't support Protocols, so we'd also need typing_extensions, which we don't want as a dependency.</span>
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</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a><span class="n">A</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"A"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span>
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</span><span id="L-13"><a href="#L-13"><span class="linenos">13</span></a>
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</span><span id="L-14"><a href="#L-14"><span class="linenos">14</span></a><span class="n">E</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"E"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="s2">"sqlglot.exp.Expression"</span><span class="p">)</span>
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</span><span id="L-15"><a href="#L-15"><span class="linenos">15</span></a><span class="n">T</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"T"</span><span class="p">)</span>
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</span></pre></div>
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<meta name="generator" content="pdoc 14.3.0"/>
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<meta name="generator" content="pdoc 14.4.0"/>
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<title>sqlglot._version API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a><span class="n">__version_tuple__</span><span class="p">:</span> <span class="n">VERSION_TUPLE</span>
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</span><span id="L-13"><a href="#L-13"><span class="linenos">13</span></a><span class="n">version_tuple</span><span class="p">:</span> <span class="n">VERSION_TUPLE</span>
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</span><span id="L-14"><a href="#L-14"><span class="linenos">14</span></a>
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</span><span id="L-15"><a href="#L-15"><span class="linenos">15</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="n">version</span> <span class="o">=</span> <span class="s1">'20.8.0'</span>
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</span><span id="L-16"><a href="#L-16"><span class="linenos">16</span></a><span class="n">__version_tuple__</span> <span class="o">=</span> <span class="n">version_tuple</span> <span class="o">=</span> <span class="p">(</span><span class="mi">20</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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</span><span id="L-15"><a href="#L-15"><span class="linenos">15</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="n">version</span> <span class="o">=</span> <span class="s1">'20.10.0'</span>
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</span><span id="L-16"><a href="#L-16"><span class="linenos">16</span></a><span class="n">__version_tuple__</span> <span class="o">=</span> <span class="n">version_tuple</span> <span class="o">=</span> <span class="p">(</span><span class="mi">20</span><span class="p">,</span> <span class="mi">10</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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</span></pre></div>
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<section id="version">
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<div class="attr variable">
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<span class="name">version</span><span class="annotation">: str</span> =
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<span class="default_value">'20.8.0'</span>
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<span class="default_value">'20.10.0'</span>
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</div>
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<section id="version_tuple">
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<div class="attr variable">
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<span class="name">version_tuple</span><span class="annotation">: object</span> =
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<span class="default_value">(20, 8, 0)</span>
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<span class="default_value">(20, 10, 0)</span>
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</div>
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<meta name="generator" content="pdoc 14.3.0"/>
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<meta name="generator" content="pdoc 14.4.0"/>
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<title>sqlglot.dataframe API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<head>
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<meta charset="utf-8">
|
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<meta name="viewport" content="width=device-width, initial-scale=1">
|
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<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
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<title>sqlglot.dataframe.sql API documentation</title>
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|
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
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@ -784,7 +784,7 @@
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">createDataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">data</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824487228816'</span><span class="o">></span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824487228816'</span><span class="o">></span><span class="p">],</span> <span class="n">Tuple</span><span class="p">]]</span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824487171936'</span><span class="o">></span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">samplingRatio</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">float</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">verifySchema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
<span class="name">createDataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">data</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675203888'</span><span class="o">></span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675203888'</span><span class="o">></span><span class="p">],</span> <span class="n">Tuple</span><span class="p">]]</span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675224496'</span><span class="o">></span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">samplingRatio</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">float</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">verifySchema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="SparkSession.createDataFrame-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -1836,7 +1836,7 @@
|
|||
<input id="DataFrame.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<div class="attr function">
|
||||
|
||||
<span class="name">DataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">spark</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824492113312'</span><span class="o">></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Select">sqlglot.expressions.Select</a></span>,</span><span class="param"> <span class="n">branch_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">sequence_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">last_op</span><span class="p">:</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">dataframe</span><span class="o">.</span><span class="n">sql</span><span class="o">.</span><span class="n">operations</span><span class="o">.</span><span class="n">Operation</span> <span class="o">=</span> <span class="o"><</span><span class="n">Operation</span><span class="o">.</span><span class="n">INIT</span><span class="p">:</span> <span class="o">-</span><span class="mi">1</span><span class="o">></span>,</span><span class="param"> <span class="n">pending_hints</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">output_expression_container</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824492052336'</span><span class="o">></span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span>)</span>
|
||||
<span class="name">DataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">spark</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699679701360'</span><span class="o">></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Select">sqlglot.expressions.Select</a></span>,</span><span class="param"> <span class="n">branch_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">sequence_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">last_op</span><span class="p">:</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">dataframe</span><span class="o">.</span><span class="n">sql</span><span class="o">.</span><span class="n">operations</span><span class="o">.</span><span class="n">Operation</span> <span class="o">=</span> <span class="o"><</span><span class="n">Operation</span><span class="o">.</span><span class="n">INIT</span><span class="p">:</span> <span class="o">-</span><span class="mi">1</span><span class="o">></span>,</span><span class="param"> <span class="n">pending_hints</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">output_expression_container</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699680923536'</span><span class="o">></span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span>)</span>
|
||||
|
||||
<label class="view-source-button" for="DataFrame.__init__-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -2084,7 +2084,7 @@
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824487985024'</span><span class="o">></span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">optimize</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span>
|
||||
<span class="name">sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675550544'</span><span class="o">></span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">optimize</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="DataFrame.sql-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -2827,7 +2827,7 @@ is unlikely to come up.</p>
|
|||
<div class="decorator">@operation(Operation.FROM)</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">fillna</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824487537088'</span><span class="o">></span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o">...</span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
<span class="name">fillna</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699676397856'</span><span class="o">></span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o">...</span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="DataFrame.fillna-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -2896,7 +2896,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="decorator">@operation(Operation.FROM)</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">replace</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">to_replace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">Dict</span><span class="p">]</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Collection</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486064112'</span><span class="o">></span><span class="p">],</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486064112'</span><span class="o">></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
<span class="name">replace</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">to_replace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">Dict</span><span class="p">]</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Collection</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675825952'</span><span class="o">></span><span class="p">],</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675825952'</span><span class="o">></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="DataFrame.replace-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3101,7 +3101,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="decorator">@operation(Operation.NO_OP)</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">repartition</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">numPartitions</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486064112'</span><span class="o">></span><span class="p">]</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486064112'</span><span class="o">></span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
<span class="name">repartition</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">numPartitions</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675825952'</span><span class="o">></span><span class="p">]</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675825952'</span><span class="o">></span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="DataFrame.repartition-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3819,7 +3819,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<input id="Column.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<div class="attr function">
|
||||
|
||||
<span class="name">Column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span>)</span>
|
||||
<span class="name">Column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span>)</span>
|
||||
|
||||
<label class="view-source-button" for="Column.__init__-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3863,7 +3863,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="decorator">@classmethod</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">ensure_col</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">ensure_col</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.ensure_col-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3884,7 +3884,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="decorator">@classmethod</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">ensure_cols</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">args</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n"><a href="#Column">Column</a></span><span class="p">]</span>:</span></span>
|
||||
<span class="name">ensure_cols</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">args</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n"><a href="#Column">Column</a></span><span class="p">]</span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.ensure_cols-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3905,7 +3905,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="decorator">@classmethod</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">invoke_anonymous_function</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">]</span>,</span><span class="param"> <span class="n">func_name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">invoke_anonymous_function</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">]</span>,</span><span class="param"> <span class="n">func_name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.invoke_anonymous_function-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3932,7 +3932,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="decorator">@classmethod</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">invoke_expression_over_column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">]</span>,</span><span class="param"> <span class="n">callable_expression</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">invoke_expression_over_column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">]</span>,</span><span class="param"> <span class="n">callable_expression</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.invoke_expression_over_column-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3969,7 +3969,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.binary_op-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -3990,7 +3990,7 @@ and check if it matches the type of the value provided. If not then make it null
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">inverse_binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">inverse_binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.inverse_binary_op-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -4584,7 +4584,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">isin</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">,</span> <span class="n">Iterable</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">):</span></span>
|
||||
<span class="name">isin</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">,</span> <span class="n">Iterable</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">):</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.isin-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -4605,7 +4605,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">between</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">lowerBound</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span>,</span><span class="param"> <span class="n">upperBound</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824489985744'</span><span class="o">></span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">between</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">lowerBound</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span>,</span><span class="param"> <span class="n">upperBound</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699677091168'</span><span class="o">></span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.between-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -4640,7 +4640,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">over</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">window</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486426576'</span><span class="o">></span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
<span class="name">over</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">window</span><span class="p">:</span> <span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699675902880'</span><span class="o">></span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Column.over-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -4885,7 +4885,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="decorator">@classmethod</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Window.partitionBy-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -4906,7 +4906,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="decorator">@classmethod</div>
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="Window.orderBy-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -5146,7 +5146,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="WindowSpec.partitionBy-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
@ -5173,7 +5173,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'139824486929248'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o"><</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">'140699674096112'</span><span class="o">></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="WindowSpec.orderBy-view-source"><span>View Source</span></label>
|
||||
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
||||
<title>sqlglot.dialects API documentation</title>
|
||||
|
||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
|
|
|
|||
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
|
|
@ -3,7 +3,7 @@
|
|||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
||||
<title>sqlglot.dialects.dialect API documentation</title>
|
||||
|
||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
|
|
@ -462,9 +462,6 @@
|
|||
<li>
|
||||
<a class="function" href="#bool_xor_sql">bool_xor_sql</a>
|
||||
</li>
|
||||
<li>
|
||||
<a class="function" href="#json_keyvalue_comma_sql">json_keyvalue_comma_sql</a>
|
||||
</li>
|
||||
<li>
|
||||
<a class="function" href="#is_parse_json">is_parse_json</a>
|
||||
</li>
|
||||
|
|
@ -492,6 +489,9 @@
|
|||
<li>
|
||||
<a class="function" href="#no_last_day_sql">no_last_day_sql</a>
|
||||
</li>
|
||||
<li>
|
||||
<a class="function" href="#merge_without_target_sql">merge_without_target_sql</a>
|
||||
</li>
|
||||
</ul>
|
||||
|
||||
|
||||
|
|
@ -1050,7 +1050,7 @@
|
|||
</span><span id="L-533"><a href="#L-533"><span class="linenos"> 533</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-534"><a href="#L-534"><span class="linenos"> 534</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
||||
</span><span id="L-535"><a href="#L-535"><span class="linenos"> 535</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span>
|
||||
</span><span id="L-536"><a href="#L-536"><span class="linenos"> 536</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span>
|
||||
</span><span id="L-536"><a href="#L-536"><span class="linenos"> 536</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF((</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">) <> 0, (</span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2">) / (</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">), NULL)"</span>
|
||||
</span><span id="L-537"><a href="#L-537"><span class="linenos"> 537</span></a>
|
||||
</span><span id="L-538"><a href="#L-538"><span class="linenos"> 538</span></a>
|
||||
</span><span id="L-539"><a href="#L-539"><span class="linenos"> 539</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
|
|
@ -1422,99 +1422,120 @@
|
|||
</span><span id="L-905"><a href="#L-905"><span class="linenos"> 905</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">a</span><span class="si">}</span><span class="s2"> AND (NOT </span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">)) OR ((NOT </span><span class="si">{</span><span class="n">a</span><span class="si">}</span><span class="s2">) AND </span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-906"><a href="#L-906"><span class="linenos"> 906</span></a>
|
||||
</span><span id="L-907"><a href="#L-907"><span class="linenos"> 907</span></a>
|
||||
</span><span id="L-908"><a href="#L-908"><span class="linenos"> 908</span></a><span class="c1"># Used to generate JSON_OBJECT with a comma in BigQuery and MySQL instead of colon</span>
|
||||
</span><span id="L-909"><a href="#L-909"><span class="linenos"> 909</span></a><span class="k">def</span> <span class="nf">json_keyvalue_comma_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONKeyValue</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-910"><a href="#L-910"><span class="linenos"> 910</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span>
|
||||
</span><span id="L-911"><a href="#L-911"><span class="linenos"> 911</span></a>
|
||||
</span><span id="L-908"><a href="#L-908"><span class="linenos"> 908</span></a><span class="k">def</span> <span class="nf">is_parse_json</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
</span><span id="L-909"><a href="#L-909"><span class="linenos"> 909</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="L-910"><a href="#L-910"><span class="linenos"> 910</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"json"</span><span class="p">)</span>
|
||||
</span><span id="L-911"><a href="#L-911"><span class="linenos"> 911</span></a> <span class="p">)</span>
|
||||
</span><span id="L-912"><a href="#L-912"><span class="linenos"> 912</span></a>
|
||||
</span><span id="L-913"><a href="#L-913"><span class="linenos"> 913</span></a><span class="k">def</span> <span class="nf">is_parse_json</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
</span><span id="L-914"><a href="#L-914"><span class="linenos"> 914</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="L-915"><a href="#L-915"><span class="linenos"> 915</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"json"</span><span class="p">)</span>
|
||||
</span><span id="L-916"><a href="#L-916"><span class="linenos"> 916</span></a> <span class="p">)</span>
|
||||
</span><span id="L-913"><a href="#L-913"><span class="linenos"> 913</span></a>
|
||||
</span><span id="L-914"><a href="#L-914"><span class="linenos"> 914</span></a><span class="k">def</span> <span class="nf">isnull_to_is_null</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-915"><a href="#L-915"><span class="linenos"> 915</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()))</span>
|
||||
</span><span id="L-916"><a href="#L-916"><span class="linenos"> 916</span></a>
|
||||
</span><span id="L-917"><a href="#L-917"><span class="linenos"> 917</span></a>
|
||||
</span><span id="L-918"><a href="#L-918"><span class="linenos"> 918</span></a>
|
||||
</span><span id="L-919"><a href="#L-919"><span class="linenos"> 919</span></a><span class="k">def</span> <span class="nf">isnull_to_is_null</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-920"><a href="#L-920"><span class="linenos"> 920</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()))</span>
|
||||
</span><span id="L-921"><a href="#L-921"><span class="linenos"> 921</span></a>
|
||||
</span><span id="L-922"><a href="#L-922"><span class="linenos"> 922</span></a>
|
||||
</span><span id="L-923"><a href="#L-923"><span class="linenos"> 923</span></a><span class="k">def</span> <span class="nf">generatedasidentitycolumnconstraint_sql</span><span class="p">(</span>
|
||||
</span><span id="L-924"><a href="#L-924"><span class="linenos"> 924</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span>
|
||||
</span><span id="L-925"><a href="#L-925"><span class="linenos"> 925</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-926"><a href="#L-926"><span class="linenos"> 926</span></a> <span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"start"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="L-927"><a href="#L-927"><span class="linenos"> 927</span></a> <span class="n">increment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"increment"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="L-928"><a href="#L-928"><span class="linenos"> 928</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IDENTITY(</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">increment</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-929"><a href="#L-929"><span class="linenos"> 929</span></a>
|
||||
</span><span id="L-918"><a href="#L-918"><span class="linenos"> 918</span></a><span class="k">def</span> <span class="nf">generatedasidentitycolumnconstraint_sql</span><span class="p">(</span>
|
||||
</span><span id="L-919"><a href="#L-919"><span class="linenos"> 919</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span>
|
||||
</span><span id="L-920"><a href="#L-920"><span class="linenos"> 920</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-921"><a href="#L-921"><span class="linenos"> 921</span></a> <span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"start"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="L-922"><a href="#L-922"><span class="linenos"> 922</span></a> <span class="n">increment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"increment"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="L-923"><a href="#L-923"><span class="linenos"> 923</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IDENTITY(</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">increment</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-924"><a href="#L-924"><span class="linenos"> 924</span></a>
|
||||
</span><span id="L-925"><a href="#L-925"><span class="linenos"> 925</span></a>
|
||||
</span><span id="L-926"><a href="#L-926"><span class="linenos"> 926</span></a><span class="k">def</span> <span class="nf">arg_max_or_min_no_count</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="L-927"><a href="#L-927"><span class="linenos"> 927</span></a> <span class="k">def</span> <span class="nf">_arg_max_or_min_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-928"><a href="#L-928"><span class="linenos"> 928</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"count"</span><span class="p">):</span>
|
||||
</span><span id="L-929"><a href="#L-929"><span class="linenos"> 929</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Only two arguments are supported in function </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
||||
</span><span id="L-930"><a href="#L-930"><span class="linenos"> 930</span></a>
|
||||
</span><span id="L-931"><a href="#L-931"><span class="linenos"> 931</span></a><span class="k">def</span> <span class="nf">arg_max_or_min_no_count</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="L-932"><a href="#L-932"><span class="linenos"> 932</span></a> <span class="k">def</span> <span class="nf">_arg_max_or_min_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-933"><a href="#L-933"><span class="linenos"> 933</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"count"</span><span class="p">):</span>
|
||||
</span><span id="L-934"><a href="#L-934"><span class="linenos"> 934</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Only two arguments are supported in function </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
||||
</span><span id="L-931"><a href="#L-931"><span class="linenos"> 931</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-932"><a href="#L-932"><span class="linenos"> 932</span></a>
|
||||
</span><span id="L-933"><a href="#L-933"><span class="linenos"> 933</span></a> <span class="k">return</span> <span class="n">_arg_max_or_min_sql</span>
|
||||
</span><span id="L-934"><a href="#L-934"><span class="linenos"> 934</span></a>
|
||||
</span><span id="L-935"><a href="#L-935"><span class="linenos"> 935</span></a>
|
||||
</span><span id="L-936"><a href="#L-936"><span class="linenos"> 936</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-937"><a href="#L-937"><span class="linenos"> 937</span></a>
|
||||
</span><span id="L-938"><a href="#L-938"><span class="linenos"> 938</span></a> <span class="k">return</span> <span class="n">_arg_max_or_min_sql</span>
|
||||
</span><span id="L-939"><a href="#L-939"><span class="linenos"> 939</span></a>
|
||||
</span><span id="L-940"><a href="#L-940"><span class="linenos"> 940</span></a>
|
||||
</span><span id="L-941"><a href="#L-941"><span class="linenos"> 941</span></a><span class="k">def</span> <span class="nf">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span>
|
||||
</span><span id="L-942"><a href="#L-942"><span class="linenos"> 942</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="L-943"><a href="#L-943"><span class="linenos"> 943</span></a>
|
||||
</span><span id="L-944"><a href="#L-944"><span class="linenos"> 944</span></a> <span class="n">return_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">return_type</span>
|
||||
</span><span id="L-945"><a href="#L-945"><span class="linenos"> 945</span></a> <span class="k">if</span> <span class="n">return_type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">):</span>
|
||||
</span><span id="L-946"><a href="#L-946"><span class="linenos"> 946</span></a> <span class="c1"># If we need to cast to a DATE, we cast to TIMESTAMP first to make sure we</span>
|
||||
</span><span id="L-947"><a href="#L-947"><span class="linenos"> 947</span></a> <span class="c1"># can truncate timestamp strings, because some dialects can't cast them to DATE</span>
|
||||
</span><span id="L-948"><a href="#L-948"><span class="linenos"> 948</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="L-949"><a href="#L-949"><span class="linenos"> 949</span></a>
|
||||
</span><span id="L-950"><a href="#L-950"><span class="linenos"> 950</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">return_type</span><span class="p">))</span>
|
||||
</span><span id="L-951"><a href="#L-951"><span class="linenos"> 951</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-952"><a href="#L-952"><span class="linenos"> 952</span></a>
|
||||
</span><span id="L-936"><a href="#L-936"><span class="linenos"> 936</span></a><span class="k">def</span> <span class="nf">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span>
|
||||
</span><span id="L-937"><a href="#L-937"><span class="linenos"> 937</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="L-938"><a href="#L-938"><span class="linenos"> 938</span></a>
|
||||
</span><span id="L-939"><a href="#L-939"><span class="linenos"> 939</span></a> <span class="n">return_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">return_type</span>
|
||||
</span><span id="L-940"><a href="#L-940"><span class="linenos"> 940</span></a> <span class="k">if</span> <span class="n">return_type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">):</span>
|
||||
</span><span id="L-941"><a href="#L-941"><span class="linenos"> 941</span></a> <span class="c1"># If we need to cast to a DATE, we cast to TIMESTAMP first to make sure we</span>
|
||||
</span><span id="L-942"><a href="#L-942"><span class="linenos"> 942</span></a> <span class="c1"># can truncate timestamp strings, because some dialects can't cast them to DATE</span>
|
||||
</span><span id="L-943"><a href="#L-943"><span class="linenos"> 943</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="L-944"><a href="#L-944"><span class="linenos"> 944</span></a>
|
||||
</span><span id="L-945"><a href="#L-945"><span class="linenos"> 945</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">return_type</span><span class="p">))</span>
|
||||
</span><span id="L-946"><a href="#L-946"><span class="linenos"> 946</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-947"><a href="#L-947"><span class="linenos"> 947</span></a>
|
||||
</span><span id="L-948"><a href="#L-948"><span class="linenos"> 948</span></a>
|
||||
</span><span id="L-949"><a href="#L-949"><span class="linenos"> 949</span></a><span class="k">def</span> <span class="nf">date_delta_sql</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="L-950"><a href="#L-950"><span class="linenos"> 950</span></a> <span class="k">def</span> <span class="nf">_delta_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-951"><a href="#L-951"><span class="linenos"> 951</span></a> <span class="k">if</span> <span class="n">cast</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">):</span>
|
||||
</span><span id="L-952"><a href="#L-952"><span class="linenos"> 952</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-953"><a href="#L-953"><span class="linenos"> 953</span></a>
|
||||
</span><span id="L-954"><a href="#L-954"><span class="linenos"> 954</span></a><span class="k">def</span> <span class="nf">date_delta_sql</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="L-955"><a href="#L-955"><span class="linenos"> 955</span></a> <span class="k">def</span> <span class="nf">_delta_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-956"><a href="#L-956"><span class="linenos"> 956</span></a> <span class="k">if</span> <span class="n">cast</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">):</span>
|
||||
</span><span id="L-957"><a href="#L-957"><span class="linenos"> 957</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-958"><a href="#L-958"><span class="linenos"> 958</span></a>
|
||||
</span><span id="L-959"><a href="#L-959"><span class="linenos"> 959</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="L-960"><a href="#L-960"><span class="linenos"> 960</span></a> <span class="n">name</span><span class="p">,</span>
|
||||
</span><span id="L-961"><a href="#L-961"><span class="linenos"> 961</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">or</span> <span class="s2">"DAY"</span><span class="p">),</span>
|
||||
</span><span id="L-962"><a href="#L-962"><span class="linenos"> 962</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="L-963"><a href="#L-963"><span class="linenos"> 963</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
|
||||
</span><span id="L-964"><a href="#L-964"><span class="linenos"> 964</span></a> <span class="p">)</span>
|
||||
</span><span id="L-965"><a href="#L-965"><span class="linenos"> 965</span></a>
|
||||
</span><span id="L-966"><a href="#L-966"><span class="linenos"> 966</span></a> <span class="k">return</span> <span class="n">_delta_sql</span>
|
||||
</span><span id="L-967"><a href="#L-967"><span class="linenos"> 967</span></a>
|
||||
</span><span id="L-968"><a href="#L-968"><span class="linenos"> 968</span></a>
|
||||
</span><span id="L-969"><a href="#L-969"><span class="linenos"> 969</span></a><span class="k">def</span> <span class="nf">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">:</span>
|
||||
</span><span id="L-970"><a href="#L-970"><span class="linenos"> 970</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.simplify</span> <span class="kn">import</span> <span class="n">simplify</span>
|
||||
</span><span id="L-971"><a href="#L-971"><span class="linenos"> 971</span></a>
|
||||
</span><span id="L-972"><a href="#L-972"><span class="linenos"> 972</span></a> <span class="c1"># Makes sure the path will be evaluated correctly at runtime to include the path root.</span>
|
||||
</span><span id="L-973"><a href="#L-973"><span class="linenos"> 973</span></a> <span class="c1"># For example, `[0].foo` will become `$[0].foo`, and `foo` will become `$.foo`.</span>
|
||||
</span><span id="L-974"><a href="#L-974"><span class="linenos"> 974</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-975"><a href="#L-975"><span class="linenos"> 975</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="L-976"><a href="#L-976"><span class="linenos"> 976</span></a> <span class="s2">"if"</span><span class="p">,</span>
|
||||
</span><span id="L-977"><a href="#L-977"><span class="linenos"> 977</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"startswith"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="s2">"'['"</span><span class="p">),</span>
|
||||
</span><span id="L-978"><a href="#L-978"><span class="linenos"> 978</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="L-979"><a href="#L-979"><span class="linenos"> 979</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$.'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="L-980"><a href="#L-980"><span class="linenos"> 980</span></a> <span class="p">)</span>
|
||||
</span><span id="L-981"><a href="#L-981"><span class="linenos"> 981</span></a>
|
||||
</span><span id="L-982"><a href="#L-982"><span class="linenos"> 982</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">path</span><span class="p">))</span>
|
||||
</span><span id="L-983"><a href="#L-983"><span class="linenos"> 983</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-984"><a href="#L-984"><span class="linenos"> 984</span></a>
|
||||
</span><span id="L-985"><a href="#L-985"><span class="linenos"> 985</span></a>
|
||||
</span><span id="L-986"><a href="#L-986"><span class="linenos"> 986</span></a><span class="k">def</span> <span class="nf">path_to_jsonpath</span><span class="p">(</span>
|
||||
</span><span id="L-987"><a href="#L-987"><span class="linenos"> 987</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"JSON_EXTRACT"</span><span class="p">,</span>
|
||||
</span><span id="L-988"><a href="#L-988"><span class="linenos"> 988</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="L-989"><a href="#L-989"><span class="linenos"> 989</span></a> <span class="k">def</span> <span class="nf">_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-990"><a href="#L-990"><span class="linenos"> 990</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
|
||||
</span><span id="L-991"><a href="#L-991"><span class="linenos"> 991</span></a>
|
||||
</span><span id="L-992"><a href="#L-992"><span class="linenos"> 992</span></a> <span class="k">return</span> <span class="n">_transform</span>
|
||||
</span><span id="L-993"><a href="#L-993"><span class="linenos"> 993</span></a>
|
||||
</span><span id="L-954"><a href="#L-954"><span class="linenos"> 954</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="L-955"><a href="#L-955"><span class="linenos"> 955</span></a> <span class="n">name</span><span class="p">,</span>
|
||||
</span><span id="L-956"><a href="#L-956"><span class="linenos"> 956</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">or</span> <span class="s2">"DAY"</span><span class="p">),</span>
|
||||
</span><span id="L-957"><a href="#L-957"><span class="linenos"> 957</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="L-958"><a href="#L-958"><span class="linenos"> 958</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
|
||||
</span><span id="L-959"><a href="#L-959"><span class="linenos"> 959</span></a> <span class="p">)</span>
|
||||
</span><span id="L-960"><a href="#L-960"><span class="linenos"> 960</span></a>
|
||||
</span><span id="L-961"><a href="#L-961"><span class="linenos"> 961</span></a> <span class="k">return</span> <span class="n">_delta_sql</span>
|
||||
</span><span id="L-962"><a href="#L-962"><span class="linenos"> 962</span></a>
|
||||
</span><span id="L-963"><a href="#L-963"><span class="linenos"> 963</span></a>
|
||||
</span><span id="L-964"><a href="#L-964"><span class="linenos"> 964</span></a><span class="k">def</span> <span class="nf">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">:</span>
|
||||
</span><span id="L-965"><a href="#L-965"><span class="linenos"> 965</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.simplify</span> <span class="kn">import</span> <span class="n">simplify</span>
|
||||
</span><span id="L-966"><a href="#L-966"><span class="linenos"> 966</span></a>
|
||||
</span><span id="L-967"><a href="#L-967"><span class="linenos"> 967</span></a> <span class="c1"># Makes sure the path will be evaluated correctly at runtime to include the path root.</span>
|
||||
</span><span id="L-968"><a href="#L-968"><span class="linenos"> 968</span></a> <span class="c1"># For example, `[0].foo` will become `$[0].foo`, and `foo` will become `$.foo`.</span>
|
||||
</span><span id="L-969"><a href="#L-969"><span class="linenos"> 969</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-970"><a href="#L-970"><span class="linenos"> 970</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="L-971"><a href="#L-971"><span class="linenos"> 971</span></a> <span class="s2">"if"</span><span class="p">,</span>
|
||||
</span><span id="L-972"><a href="#L-972"><span class="linenos"> 972</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"startswith"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="s2">"'['"</span><span class="p">),</span>
|
||||
</span><span id="L-973"><a href="#L-973"><span class="linenos"> 973</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="L-974"><a href="#L-974"><span class="linenos"> 974</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$.'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="L-975"><a href="#L-975"><span class="linenos"> 975</span></a> <span class="p">)</span>
|
||||
</span><span id="L-976"><a href="#L-976"><span class="linenos"> 976</span></a>
|
||||
</span><span id="L-977"><a href="#L-977"><span class="linenos"> 977</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">path</span><span class="p">))</span>
|
||||
</span><span id="L-978"><a href="#L-978"><span class="linenos"> 978</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-979"><a href="#L-979"><span class="linenos"> 979</span></a>
|
||||
</span><span id="L-980"><a href="#L-980"><span class="linenos"> 980</span></a>
|
||||
</span><span id="L-981"><a href="#L-981"><span class="linenos"> 981</span></a><span class="k">def</span> <span class="nf">path_to_jsonpath</span><span class="p">(</span>
|
||||
</span><span id="L-982"><a href="#L-982"><span class="linenos"> 982</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"JSON_EXTRACT"</span><span class="p">,</span>
|
||||
</span><span id="L-983"><a href="#L-983"><span class="linenos"> 983</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="L-984"><a href="#L-984"><span class="linenos"> 984</span></a> <span class="k">def</span> <span class="nf">_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-985"><a href="#L-985"><span class="linenos"> 985</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
|
||||
</span><span id="L-986"><a href="#L-986"><span class="linenos"> 986</span></a>
|
||||
</span><span id="L-987"><a href="#L-987"><span class="linenos"> 987</span></a> <span class="k">return</span> <span class="n">_transform</span>
|
||||
</span><span id="L-988"><a href="#L-988"><span class="linenos"> 988</span></a>
|
||||
</span><span id="L-989"><a href="#L-989"><span class="linenos"> 989</span></a>
|
||||
</span><span id="L-990"><a href="#L-990"><span class="linenos"> 990</span></a><span class="k">def</span> <span class="nf">no_last_day_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-991"><a href="#L-991"><span class="linenos"> 991</span></a> <span class="n">trunc_curr_date</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_trunc"</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-992"><a href="#L-992"><span class="linenos"> 992</span></a> <span class="n">plus_one_month</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_add"</span><span class="p">,</span> <span class="n">trunc_curr_date</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">)</span>
|
||||
</span><span id="L-993"><a href="#L-993"><span class="linenos"> 993</span></a> <span class="n">minus_one_day</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_sub"</span><span class="p">,</span> <span class="n">plus_one_month</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"day"</span><span class="p">)</span>
|
||||
</span><span id="L-994"><a href="#L-994"><span class="linenos"> 994</span></a>
|
||||
</span><span id="L-995"><a href="#L-995"><span class="linenos"> 995</span></a><span class="k">def</span> <span class="nf">no_last_day_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-996"><a href="#L-996"><span class="linenos"> 996</span></a> <span class="n">trunc_curr_date</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_trunc"</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-997"><a href="#L-997"><span class="linenos"> 997</span></a> <span class="n">plus_one_month</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_add"</span><span class="p">,</span> <span class="n">trunc_curr_date</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">)</span>
|
||||
</span><span id="L-998"><a href="#L-998"><span class="linenos"> 998</span></a> <span class="n">minus_one_day</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_sub"</span><span class="p">,</span> <span class="n">plus_one_month</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"day"</span><span class="p">)</span>
|
||||
</span><span id="L-999"><a href="#L-999"><span class="linenos"> 999</span></a>
|
||||
</span><span id="L-1000"><a href="#L-1000"><span class="linenos">1000</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">minus_one_day</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
||||
</span><span id="L-995"><a href="#L-995"><span class="linenos"> 995</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">minus_one_day</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
||||
</span><span id="L-996"><a href="#L-996"><span class="linenos"> 996</span></a>
|
||||
</span><span id="L-997"><a href="#L-997"><span class="linenos"> 997</span></a>
|
||||
</span><span id="L-998"><a href="#L-998"><span class="linenos"> 998</span></a><span class="k">def</span> <span class="nf">merge_without_target_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Merge</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="L-999"><a href="#L-999"><span class="linenos"> 999</span></a><span class="w"> </span><span class="sd">"""Remove table refs from columns in when statements."""</span>
|
||||
</span><span id="L-1000"><a href="#L-1000"><span class="linenos">1000</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span>
|
||||
</span><span id="L-1001"><a href="#L-1001"><span class="linenos">1001</span></a>
|
||||
</span><span id="L-1002"><a href="#L-1002"><span class="linenos">1002</span></a> <span class="n">normalize</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-1003"><a href="#L-1003"><span class="linenos">1003</span></a> <span class="k">lambda</span> <span class="n">identifier</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-1004"><a href="#L-1004"><span class="linenos">1004</span></a> <span class="k">if</span> <span class="n">identifier</span>
|
||||
</span><span id="L-1005"><a href="#L-1005"><span class="linenos">1005</span></a> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-1006"><a href="#L-1006"><span class="linenos">1006</span></a> <span class="p">)</span>
|
||||
</span><span id="L-1007"><a href="#L-1007"><span class="linenos">1007</span></a>
|
||||
</span><span id="L-1008"><a href="#L-1008"><span class="linenos">1008</span></a> <span class="n">targets</span> <span class="o">=</span> <span class="p">{</span><span class="n">normalize</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">)}</span>
|
||||
</span><span id="L-1009"><a href="#L-1009"><span class="linenos">1009</span></a>
|
||||
</span><span id="L-1010"><a href="#L-1010"><span class="linenos">1010</span></a> <span class="k">if</span> <span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-1011"><a href="#L-1011"><span class="linenos">1011</span></a> <span class="n">targets</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">normalize</span><span class="p">(</span><span class="n">alias</span><span class="o">.</span><span class="n">this</span><span class="p">))</span>
|
||||
</span><span id="L-1012"><a href="#L-1012"><span class="linenos">1012</span></a>
|
||||
</span><span id="L-1013"><a href="#L-1013"><span class="linenos">1013</span></a> <span class="k">for</span> <span class="n">when</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-1014"><a href="#L-1014"><span class="linenos">1014</span></a> <span class="n">when</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="L-1015"><a href="#L-1015"><span class="linenos">1015</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-1016"><a href="#L-1016"><span class="linenos">1016</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="ow">and</span> <span class="n">normalize</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"table"</span><span class="p">))</span> <span class="ow">in</span> <span class="n">targets</span>
|
||||
</span><span id="L-1017"><a href="#L-1017"><span class="linenos">1017</span></a> <span class="k">else</span> <span class="n">node</span><span class="p">,</span>
|
||||
</span><span id="L-1018"><a href="#L-1018"><span class="linenos">1018</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-1019"><a href="#L-1019"><span class="linenos">1019</span></a> <span class="p">)</span>
|
||||
</span><span id="L-1020"><a href="#L-1020"><span class="linenos">1020</span></a>
|
||||
</span><span id="L-1021"><a href="#L-1021"><span class="linenos">1021</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">merge_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -3732,7 +3753,7 @@ that it can analyze queries in the optimizer and successfully capture their sema
|
|||
<div class="pdoc-code codehilite"><pre><span></span><span id="no_safe_divide_sql-534"><a href="#no_safe_divide_sql-534"><span class="linenos">534</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="no_safe_divide_sql-535"><a href="#no_safe_divide_sql-535"><span class="linenos">535</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span>
|
||||
</span><span id="no_safe_divide_sql-536"><a href="#no_safe_divide_sql-536"><span class="linenos">536</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span>
|
||||
</span><span id="no_safe_divide_sql-537"><a href="#no_safe_divide_sql-537"><span class="linenos">537</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span>
|
||||
</span><span id="no_safe_divide_sql-537"><a href="#no_safe_divide_sql-537"><span class="linenos">537</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF((</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">) <> 0, (</span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2">) / (</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">), NULL)"</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4710,25 +4731,6 @@ columns are removed from the create statement.</p>
|
|||
|
||||
|
||||
|
||||
</section>
|
||||
<section id="json_keyvalue_comma_sql">
|
||||
<input id="json_keyvalue_comma_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">json_keyvalue_comma_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#JSONKeyValue">sqlglot.expressions.JSONKeyValue</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="json_keyvalue_comma_sql-view-source"><span>View Source</span></label>
|
||||
|
||||
</div>
|
||||
<a class="headerlink" href="#json_keyvalue_comma_sql"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="json_keyvalue_comma_sql-910"><a href="#json_keyvalue_comma_sql-910"><span class="linenos">910</span></a><span class="k">def</span> <span class="nf">json_keyvalue_comma_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONKeyValue</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="json_keyvalue_comma_sql-911"><a href="#json_keyvalue_comma_sql-911"><span class="linenos">911</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
||||
|
||||
</section>
|
||||
<section id="is_parse_json">
|
||||
<input id="is_parse_json-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
|
|
@ -4741,10 +4743,10 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#is_parse_json"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="is_parse_json-914"><a href="#is_parse_json-914"><span class="linenos">914</span></a><span class="k">def</span> <span class="nf">is_parse_json</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
</span><span id="is_parse_json-915"><a href="#is_parse_json-915"><span class="linenos">915</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="is_parse_json-916"><a href="#is_parse_json-916"><span class="linenos">916</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"json"</span><span class="p">)</span>
|
||||
</span><span id="is_parse_json-917"><a href="#is_parse_json-917"><span class="linenos">917</span></a> <span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="is_parse_json-909"><a href="#is_parse_json-909"><span class="linenos">909</span></a><span class="k">def</span> <span class="nf">is_parse_json</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
</span><span id="is_parse_json-910"><a href="#is_parse_json-910"><span class="linenos">910</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="is_parse_json-911"><a href="#is_parse_json-911"><span class="linenos">911</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"json"</span><span class="p">)</span>
|
||||
</span><span id="is_parse_json-912"><a href="#is_parse_json-912"><span class="linenos">912</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4762,8 +4764,8 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#isnull_to_is_null"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="isnull_to_is_null-920"><a href="#isnull_to_is_null-920"><span class="linenos">920</span></a><span class="k">def</span> <span class="nf">isnull_to_is_null</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="isnull_to_is_null-921"><a href="#isnull_to_is_null-921"><span class="linenos">921</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()))</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="isnull_to_is_null-915"><a href="#isnull_to_is_null-915"><span class="linenos">915</span></a><span class="k">def</span> <span class="nf">isnull_to_is_null</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="isnull_to_is_null-916"><a href="#isnull_to_is_null-916"><span class="linenos">916</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()))</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4781,12 +4783,12 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#generatedasidentitycolumnconstraint_sql"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="generatedasidentitycolumnconstraint_sql-924"><a href="#generatedasidentitycolumnconstraint_sql-924"><span class="linenos">924</span></a><span class="k">def</span> <span class="nf">generatedasidentitycolumnconstraint_sql</span><span class="p">(</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-925"><a href="#generatedasidentitycolumnconstraint_sql-925"><span class="linenos">925</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-926"><a href="#generatedasidentitycolumnconstraint_sql-926"><span class="linenos">926</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-927"><a href="#generatedasidentitycolumnconstraint_sql-927"><span class="linenos">927</span></a> <span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"start"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-928"><a href="#generatedasidentitycolumnconstraint_sql-928"><span class="linenos">928</span></a> <span class="n">increment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"increment"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-929"><a href="#generatedasidentitycolumnconstraint_sql-929"><span class="linenos">929</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IDENTITY(</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">increment</span><span class="si">}</span><span class="s2">)"</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="generatedasidentitycolumnconstraint_sql-919"><a href="#generatedasidentitycolumnconstraint_sql-919"><span class="linenos">919</span></a><span class="k">def</span> <span class="nf">generatedasidentitycolumnconstraint_sql</span><span class="p">(</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-920"><a href="#generatedasidentitycolumnconstraint_sql-920"><span class="linenos">920</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-921"><a href="#generatedasidentitycolumnconstraint_sql-921"><span class="linenos">921</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-922"><a href="#generatedasidentitycolumnconstraint_sql-922"><span class="linenos">922</span></a> <span class="n">start</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"start"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-923"><a href="#generatedasidentitycolumnconstraint_sql-923"><span class="linenos">923</span></a> <span class="n">increment</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"increment"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"1"</span>
|
||||
</span><span id="generatedasidentitycolumnconstraint_sql-924"><a href="#generatedasidentitycolumnconstraint_sql-924"><span class="linenos">924</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IDENTITY(</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">increment</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4804,14 +4806,14 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#arg_max_or_min_no_count"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="arg_max_or_min_no_count-932"><a href="#arg_max_or_min_no_count-932"><span class="linenos">932</span></a><span class="k">def</span> <span class="nf">arg_max_or_min_no_count</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="arg_max_or_min_no_count-933"><a href="#arg_max_or_min_no_count-933"><span class="linenos">933</span></a> <span class="k">def</span> <span class="nf">_arg_max_or_min_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="arg_max_or_min_no_count-934"><a href="#arg_max_or_min_no_count-934"><span class="linenos">934</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"count"</span><span class="p">):</span>
|
||||
</span><span id="arg_max_or_min_no_count-935"><a href="#arg_max_or_min_no_count-935"><span class="linenos">935</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Only two arguments are supported in function </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
||||
</span><span id="arg_max_or_min_no_count-936"><a href="#arg_max_or_min_no_count-936"><span class="linenos">936</span></a>
|
||||
</span><span id="arg_max_or_min_no_count-937"><a href="#arg_max_or_min_no_count-937"><span class="linenos">937</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="arg_max_or_min_no_count-938"><a href="#arg_max_or_min_no_count-938"><span class="linenos">938</span></a>
|
||||
</span><span id="arg_max_or_min_no_count-939"><a href="#arg_max_or_min_no_count-939"><span class="linenos">939</span></a> <span class="k">return</span> <span class="n">_arg_max_or_min_sql</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="arg_max_or_min_no_count-927"><a href="#arg_max_or_min_no_count-927"><span class="linenos">927</span></a><span class="k">def</span> <span class="nf">arg_max_or_min_no_count</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="arg_max_or_min_no_count-928"><a href="#arg_max_or_min_no_count-928"><span class="linenos">928</span></a> <span class="k">def</span> <span class="nf">_arg_max_or_min_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMax</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArgMin</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="arg_max_or_min_no_count-929"><a href="#arg_max_or_min_no_count-929"><span class="linenos">929</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"count"</span><span class="p">):</span>
|
||||
</span><span id="arg_max_or_min_no_count-930"><a href="#arg_max_or_min_no_count-930"><span class="linenos">930</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Only two arguments are supported in function </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
|
||||
</span><span id="arg_max_or_min_no_count-931"><a href="#arg_max_or_min_no_count-931"><span class="linenos">931</span></a>
|
||||
</span><span id="arg_max_or_min_no_count-932"><a href="#arg_max_or_min_no_count-932"><span class="linenos">932</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="arg_max_or_min_no_count-933"><a href="#arg_max_or_min_no_count-933"><span class="linenos">933</span></a>
|
||||
</span><span id="arg_max_or_min_no_count-934"><a href="#arg_max_or_min_no_count-934"><span class="linenos">934</span></a> <span class="k">return</span> <span class="n">_arg_max_or_min_sql</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4829,17 +4831,17 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#ts_or_ds_add_cast"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="ts_or_ds_add_cast-942"><a href="#ts_or_ds_add_cast-942"><span class="linenos">942</span></a><span class="k">def</span> <span class="nf">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span>
|
||||
</span><span id="ts_or_ds_add_cast-943"><a href="#ts_or_ds_add_cast-943"><span class="linenos">943</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="ts_or_ds_add_cast-944"><a href="#ts_or_ds_add_cast-944"><span class="linenos">944</span></a>
|
||||
</span><span id="ts_or_ds_add_cast-945"><a href="#ts_or_ds_add_cast-945"><span class="linenos">945</span></a> <span class="n">return_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">return_type</span>
|
||||
</span><span id="ts_or_ds_add_cast-946"><a href="#ts_or_ds_add_cast-946"><span class="linenos">946</span></a> <span class="k">if</span> <span class="n">return_type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">):</span>
|
||||
</span><span id="ts_or_ds_add_cast-947"><a href="#ts_or_ds_add_cast-947"><span class="linenos">947</span></a> <span class="c1"># If we need to cast to a DATE, we cast to TIMESTAMP first to make sure we</span>
|
||||
</span><span id="ts_or_ds_add_cast-948"><a href="#ts_or_ds_add_cast-948"><span class="linenos">948</span></a> <span class="c1"># can truncate timestamp strings, because some dialects can't cast them to DATE</span>
|
||||
</span><span id="ts_or_ds_add_cast-949"><a href="#ts_or_ds_add_cast-949"><span class="linenos">949</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="ts_or_ds_add_cast-950"><a href="#ts_or_ds_add_cast-950"><span class="linenos">950</span></a>
|
||||
</span><span id="ts_or_ds_add_cast-951"><a href="#ts_or_ds_add_cast-951"><span class="linenos">951</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">return_type</span><span class="p">))</span>
|
||||
</span><span id="ts_or_ds_add_cast-952"><a href="#ts_or_ds_add_cast-952"><span class="linenos">952</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="ts_or_ds_add_cast-937"><a href="#ts_or_ds_add_cast-937"><span class="linenos">937</span></a><span class="k">def</span> <span class="nf">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span>
|
||||
</span><span id="ts_or_ds_add_cast-938"><a href="#ts_or_ds_add_cast-938"><span class="linenos">938</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="ts_or_ds_add_cast-939"><a href="#ts_or_ds_add_cast-939"><span class="linenos">939</span></a>
|
||||
</span><span id="ts_or_ds_add_cast-940"><a href="#ts_or_ds_add_cast-940"><span class="linenos">940</span></a> <span class="n">return_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">return_type</span>
|
||||
</span><span id="ts_or_ds_add_cast-941"><a href="#ts_or_ds_add_cast-941"><span class="linenos">941</span></a> <span class="k">if</span> <span class="n">return_type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">):</span>
|
||||
</span><span id="ts_or_ds_add_cast-942"><a href="#ts_or_ds_add_cast-942"><span class="linenos">942</span></a> <span class="c1"># If we need to cast to a DATE, we cast to TIMESTAMP first to make sure we</span>
|
||||
</span><span id="ts_or_ds_add_cast-943"><a href="#ts_or_ds_add_cast-943"><span class="linenos">943</span></a> <span class="c1"># can truncate timestamp strings, because some dialects can't cast them to DATE</span>
|
||||
</span><span id="ts_or_ds_add_cast-944"><a href="#ts_or_ds_add_cast-944"><span class="linenos">944</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="ts_or_ds_add_cast-945"><a href="#ts_or_ds_add_cast-945"><span class="linenos">945</span></a>
|
||||
</span><span id="ts_or_ds_add_cast-946"><a href="#ts_or_ds_add_cast-946"><span class="linenos">946</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">return_type</span><span class="p">))</span>
|
||||
</span><span id="ts_or_ds_add_cast-947"><a href="#ts_or_ds_add_cast-947"><span class="linenos">947</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4857,19 +4859,19 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#date_delta_sql"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="date_delta_sql-955"><a href="#date_delta_sql-955"><span class="linenos">955</span></a><span class="k">def</span> <span class="nf">date_delta_sql</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="date_delta_sql-956"><a href="#date_delta_sql-956"><span class="linenos">956</span></a> <span class="k">def</span> <span class="nf">_delta_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="date_delta_sql-957"><a href="#date_delta_sql-957"><span class="linenos">957</span></a> <span class="k">if</span> <span class="n">cast</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">):</span>
|
||||
</span><span id="date_delta_sql-958"><a href="#date_delta_sql-958"><span class="linenos">958</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="date_delta_sql-959"><a href="#date_delta_sql-959"><span class="linenos">959</span></a>
|
||||
</span><span id="date_delta_sql-960"><a href="#date_delta_sql-960"><span class="linenos">960</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="date_delta_sql-961"><a href="#date_delta_sql-961"><span class="linenos">961</span></a> <span class="n">name</span><span class="p">,</span>
|
||||
</span><span id="date_delta_sql-962"><a href="#date_delta_sql-962"><span class="linenos">962</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">or</span> <span class="s2">"DAY"</span><span class="p">),</span>
|
||||
</span><span id="date_delta_sql-963"><a href="#date_delta_sql-963"><span class="linenos">963</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="date_delta_sql-964"><a href="#date_delta_sql-964"><span class="linenos">964</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
|
||||
</span><span id="date_delta_sql-965"><a href="#date_delta_sql-965"><span class="linenos">965</span></a> <span class="p">)</span>
|
||||
</span><span id="date_delta_sql-966"><a href="#date_delta_sql-966"><span class="linenos">966</span></a>
|
||||
</span><span id="date_delta_sql-967"><a href="#date_delta_sql-967"><span class="linenos">967</span></a> <span class="k">return</span> <span class="n">_delta_sql</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="date_delta_sql-950"><a href="#date_delta_sql-950"><span class="linenos">950</span></a><span class="k">def</span> <span class="nf">date_delta_sql</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">cast</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="date_delta_sql-951"><a href="#date_delta_sql-951"><span class="linenos">951</span></a> <span class="k">def</span> <span class="nf">_delta_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">DATE_ADD_OR_DIFF</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="date_delta_sql-952"><a href="#date_delta_sql-952"><span class="linenos">952</span></a> <span class="k">if</span> <span class="n">cast</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">):</span>
|
||||
</span><span id="date_delta_sql-953"><a href="#date_delta_sql-953"><span class="linenos">953</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ts_or_ds_add_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="date_delta_sql-954"><a href="#date_delta_sql-954"><span class="linenos">954</span></a>
|
||||
</span><span id="date_delta_sql-955"><a href="#date_delta_sql-955"><span class="linenos">955</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="date_delta_sql-956"><a href="#date_delta_sql-956"><span class="linenos">956</span></a> <span class="n">name</span><span class="p">,</span>
|
||||
</span><span id="date_delta_sql-957"><a href="#date_delta_sql-957"><span class="linenos">957</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">or</span> <span class="s2">"DAY"</span><span class="p">),</span>
|
||||
</span><span id="date_delta_sql-958"><a href="#date_delta_sql-958"><span class="linenos">958</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="date_delta_sql-959"><a href="#date_delta_sql-959"><span class="linenos">959</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
|
||||
</span><span id="date_delta_sql-960"><a href="#date_delta_sql-960"><span class="linenos">960</span></a> <span class="p">)</span>
|
||||
</span><span id="date_delta_sql-961"><a href="#date_delta_sql-961"><span class="linenos">961</span></a>
|
||||
</span><span id="date_delta_sql-962"><a href="#date_delta_sql-962"><span class="linenos">962</span></a> <span class="k">return</span> <span class="n">_delta_sql</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4887,21 +4889,21 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#prepend_dollar_to_path"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="prepend_dollar_to_path-970"><a href="#prepend_dollar_to_path-970"><span class="linenos">970</span></a><span class="k">def</span> <span class="nf">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">:</span>
|
||||
</span><span id="prepend_dollar_to_path-971"><a href="#prepend_dollar_to_path-971"><span class="linenos">971</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.simplify</span> <span class="kn">import</span> <span class="n">simplify</span>
|
||||
</span><span id="prepend_dollar_to_path-972"><a href="#prepend_dollar_to_path-972"><span class="linenos">972</span></a>
|
||||
</span><span id="prepend_dollar_to_path-973"><a href="#prepend_dollar_to_path-973"><span class="linenos">973</span></a> <span class="c1"># Makes sure the path will be evaluated correctly at runtime to include the path root.</span>
|
||||
</span><span id="prepend_dollar_to_path-974"><a href="#prepend_dollar_to_path-974"><span class="linenos">974</span></a> <span class="c1"># For example, `[0].foo` will become `$[0].foo`, and `foo` will become `$.foo`.</span>
|
||||
</span><span id="prepend_dollar_to_path-975"><a href="#prepend_dollar_to_path-975"><span class="linenos">975</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="prepend_dollar_to_path-976"><a href="#prepend_dollar_to_path-976"><span class="linenos">976</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="prepend_dollar_to_path-977"><a href="#prepend_dollar_to_path-977"><span class="linenos">977</span></a> <span class="s2">"if"</span><span class="p">,</span>
|
||||
</span><span id="prepend_dollar_to_path-978"><a href="#prepend_dollar_to_path-978"><span class="linenos">978</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"startswith"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="s2">"'['"</span><span class="p">),</span>
|
||||
</span><span id="prepend_dollar_to_path-979"><a href="#prepend_dollar_to_path-979"><span class="linenos">979</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="prepend_dollar_to_path-980"><a href="#prepend_dollar_to_path-980"><span class="linenos">980</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$.'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="prepend_dollar_to_path-981"><a href="#prepend_dollar_to_path-981"><span class="linenos">981</span></a> <span class="p">)</span>
|
||||
</span><span id="prepend_dollar_to_path-982"><a href="#prepend_dollar_to_path-982"><span class="linenos">982</span></a>
|
||||
</span><span id="prepend_dollar_to_path-983"><a href="#prepend_dollar_to_path-983"><span class="linenos">983</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">path</span><span class="p">))</span>
|
||||
</span><span id="prepend_dollar_to_path-984"><a href="#prepend_dollar_to_path-984"><span class="linenos">984</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="prepend_dollar_to_path-965"><a href="#prepend_dollar_to_path-965"><span class="linenos">965</span></a><span class="k">def</span> <span class="nf">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">:</span>
|
||||
</span><span id="prepend_dollar_to_path-966"><a href="#prepend_dollar_to_path-966"><span class="linenos">966</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.simplify</span> <span class="kn">import</span> <span class="n">simplify</span>
|
||||
</span><span id="prepend_dollar_to_path-967"><a href="#prepend_dollar_to_path-967"><span class="linenos">967</span></a>
|
||||
</span><span id="prepend_dollar_to_path-968"><a href="#prepend_dollar_to_path-968"><span class="linenos">968</span></a> <span class="c1"># Makes sure the path will be evaluated correctly at runtime to include the path root.</span>
|
||||
</span><span id="prepend_dollar_to_path-969"><a href="#prepend_dollar_to_path-969"><span class="linenos">969</span></a> <span class="c1"># For example, `[0].foo` will become `$[0].foo`, and `foo` will become `$.foo`.</span>
|
||||
</span><span id="prepend_dollar_to_path-970"><a href="#prepend_dollar_to_path-970"><span class="linenos">970</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="prepend_dollar_to_path-971"><a href="#prepend_dollar_to_path-971"><span class="linenos">971</span></a> <span class="n">path</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span>
|
||||
</span><span id="prepend_dollar_to_path-972"><a href="#prepend_dollar_to_path-972"><span class="linenos">972</span></a> <span class="s2">"if"</span><span class="p">,</span>
|
||||
</span><span id="prepend_dollar_to_path-973"><a href="#prepend_dollar_to_path-973"><span class="linenos">973</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"startswith"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="s2">"'['"</span><span class="p">),</span>
|
||||
</span><span id="prepend_dollar_to_path-974"><a href="#prepend_dollar_to_path-974"><span class="linenos">974</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="prepend_dollar_to_path-975"><a href="#prepend_dollar_to_path-975"><span class="linenos">975</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"concat"</span><span class="p">,</span> <span class="s2">"'$.'"</span><span class="p">,</span> <span class="n">path</span><span class="p">),</span>
|
||||
</span><span id="prepend_dollar_to_path-976"><a href="#prepend_dollar_to_path-976"><span class="linenos">976</span></a> <span class="p">)</span>
|
||||
</span><span id="prepend_dollar_to_path-977"><a href="#prepend_dollar_to_path-977"><span class="linenos">977</span></a>
|
||||
</span><span id="prepend_dollar_to_path-978"><a href="#prepend_dollar_to_path-978"><span class="linenos">978</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">path</span><span class="p">))</span>
|
||||
</span><span id="prepend_dollar_to_path-979"><a href="#prepend_dollar_to_path-979"><span class="linenos">979</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4919,13 +4921,13 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#path_to_jsonpath"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="path_to_jsonpath-987"><a href="#path_to_jsonpath-987"><span class="linenos">987</span></a><span class="k">def</span> <span class="nf">path_to_jsonpath</span><span class="p">(</span>
|
||||
</span><span id="path_to_jsonpath-988"><a href="#path_to_jsonpath-988"><span class="linenos">988</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"JSON_EXTRACT"</span><span class="p">,</span>
|
||||
</span><span id="path_to_jsonpath-989"><a href="#path_to_jsonpath-989"><span class="linenos">989</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="path_to_jsonpath-990"><a href="#path_to_jsonpath-990"><span class="linenos">990</span></a> <span class="k">def</span> <span class="nf">_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="path_to_jsonpath-991"><a href="#path_to_jsonpath-991"><span class="linenos">991</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
|
||||
</span><span id="path_to_jsonpath-992"><a href="#path_to_jsonpath-992"><span class="linenos">992</span></a>
|
||||
</span><span id="path_to_jsonpath-993"><a href="#path_to_jsonpath-993"><span class="linenos">993</span></a> <span class="k">return</span> <span class="n">_transform</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="path_to_jsonpath-982"><a href="#path_to_jsonpath-982"><span class="linenos">982</span></a><span class="k">def</span> <span class="nf">path_to_jsonpath</span><span class="p">(</span>
|
||||
</span><span id="path_to_jsonpath-983"><a href="#path_to_jsonpath-983"><span class="linenos">983</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"JSON_EXTRACT"</span><span class="p">,</span>
|
||||
</span><span id="path_to_jsonpath-984"><a href="#path_to_jsonpath-984"><span class="linenos">984</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
|
||||
</span><span id="path_to_jsonpath-985"><a href="#path_to_jsonpath-985"><span class="linenos">985</span></a> <span class="k">def</span> <span class="nf">_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GetPath</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="path_to_jsonpath-986"><a href="#path_to_jsonpath-986"><span class="linenos">986</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prepend_dollar_to_path</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
|
||||
</span><span id="path_to_jsonpath-987"><a href="#path_to_jsonpath-987"><span class="linenos">987</span></a>
|
||||
</span><span id="path_to_jsonpath-988"><a href="#path_to_jsonpath-988"><span class="linenos">988</span></a> <span class="k">return</span> <span class="n">_transform</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -4943,17 +4945,60 @@ columns are removed from the create statement.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#no_last_day_sql"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="no_last_day_sql-996"><a href="#no_last_day_sql-996"><span class="linenos"> 996</span></a><span class="k">def</span> <span class="nf">no_last_day_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="no_last_day_sql-997"><a href="#no_last_day_sql-997"><span class="linenos"> 997</span></a> <span class="n">trunc_curr_date</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_trunc"</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="no_last_day_sql-998"><a href="#no_last_day_sql-998"><span class="linenos"> 998</span></a> <span class="n">plus_one_month</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_add"</span><span class="p">,</span> <span class="n">trunc_curr_date</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">)</span>
|
||||
</span><span id="no_last_day_sql-999"><a href="#no_last_day_sql-999"><span class="linenos"> 999</span></a> <span class="n">minus_one_day</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_sub"</span><span class="p">,</span> <span class="n">plus_one_month</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"day"</span><span class="p">)</span>
|
||||
</span><span id="no_last_day_sql-1000"><a href="#no_last_day_sql-1000"><span class="linenos">1000</span></a>
|
||||
</span><span id="no_last_day_sql-1001"><a href="#no_last_day_sql-1001"><span class="linenos">1001</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">minus_one_day</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="no_last_day_sql-991"><a href="#no_last_day_sql-991"><span class="linenos">991</span></a><span class="k">def</span> <span class="nf">no_last_day_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="no_last_day_sql-992"><a href="#no_last_day_sql-992"><span class="linenos">992</span></a> <span class="n">trunc_curr_date</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_trunc"</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="no_last_day_sql-993"><a href="#no_last_day_sql-993"><span class="linenos">993</span></a> <span class="n">plus_one_month</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_add"</span><span class="p">,</span> <span class="n">trunc_curr_date</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">)</span>
|
||||
</span><span id="no_last_day_sql-994"><a href="#no_last_day_sql-994"><span class="linenos">994</span></a> <span class="n">minus_one_day</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"date_sub"</span><span class="p">,</span> <span class="n">plus_one_month</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"day"</span><span class="p">)</span>
|
||||
</span><span id="no_last_day_sql-995"><a href="#no_last_day_sql-995"><span class="linenos">995</span></a>
|
||||
</span><span id="no_last_day_sql-996"><a href="#no_last_day_sql-996"><span class="linenos">996</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">minus_one_day</span><span class="p">,</span> <span class="s2">"date"</span><span class="p">))</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
||||
|
||||
</section>
|
||||
<section id="merge_without_target_sql">
|
||||
<input id="merge_without_target_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">merge_without_target_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Merge">sqlglot.expressions.Merge</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span>
|
||||
|
||||
<label class="view-source-button" for="merge_without_target_sql-view-source"><span>View Source</span></label>
|
||||
|
||||
</div>
|
||||
<a class="headerlink" href="#merge_without_target_sql"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="merge_without_target_sql-999"><a href="#merge_without_target_sql-999"><span class="linenos"> 999</span></a><span class="k">def</span> <span class="nf">merge_without_target_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Merge</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span>
|
||||
</span><span id="merge_without_target_sql-1000"><a href="#merge_without_target_sql-1000"><span class="linenos">1000</span></a><span class="w"> </span><span class="sd">"""Remove table refs from columns in when statements."""</span>
|
||||
</span><span id="merge_without_target_sql-1001"><a href="#merge_without_target_sql-1001"><span class="linenos">1001</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span>
|
||||
</span><span id="merge_without_target_sql-1002"><a href="#merge_without_target_sql-1002"><span class="linenos">1002</span></a>
|
||||
</span><span id="merge_without_target_sql-1003"><a href="#merge_without_target_sql-1003"><span class="linenos">1003</span></a> <span class="n">normalize</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="merge_without_target_sql-1004"><a href="#merge_without_target_sql-1004"><span class="linenos">1004</span></a> <span class="k">lambda</span> <span class="n">identifier</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="merge_without_target_sql-1005"><a href="#merge_without_target_sql-1005"><span class="linenos">1005</span></a> <span class="k">if</span> <span class="n">identifier</span>
|
||||
</span><span id="merge_without_target_sql-1006"><a href="#merge_without_target_sql-1006"><span class="linenos">1006</span></a> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="merge_without_target_sql-1007"><a href="#merge_without_target_sql-1007"><span class="linenos">1007</span></a> <span class="p">)</span>
|
||||
</span><span id="merge_without_target_sql-1008"><a href="#merge_without_target_sql-1008"><span class="linenos">1008</span></a>
|
||||
</span><span id="merge_without_target_sql-1009"><a href="#merge_without_target_sql-1009"><span class="linenos">1009</span></a> <span class="n">targets</span> <span class="o">=</span> <span class="p">{</span><span class="n">normalize</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">)}</span>
|
||||
</span><span id="merge_without_target_sql-1010"><a href="#merge_without_target_sql-1010"><span class="linenos">1010</span></a>
|
||||
</span><span id="merge_without_target_sql-1011"><a href="#merge_without_target_sql-1011"><span class="linenos">1011</span></a> <span class="k">if</span> <span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="merge_without_target_sql-1012"><a href="#merge_without_target_sql-1012"><span class="linenos">1012</span></a> <span class="n">targets</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">normalize</span><span class="p">(</span><span class="n">alias</span><span class="o">.</span><span class="n">this</span><span class="p">))</span>
|
||||
</span><span id="merge_without_target_sql-1013"><a href="#merge_without_target_sql-1013"><span class="linenos">1013</span></a>
|
||||
</span><span id="merge_without_target_sql-1014"><a href="#merge_without_target_sql-1014"><span class="linenos">1014</span></a> <span class="k">for</span> <span class="n">when</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="merge_without_target_sql-1015"><a href="#merge_without_target_sql-1015"><span class="linenos">1015</span></a> <span class="n">when</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="merge_without_target_sql-1016"><a href="#merge_without_target_sql-1016"><span class="linenos">1016</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="merge_without_target_sql-1017"><a href="#merge_without_target_sql-1017"><span class="linenos">1017</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="ow">and</span> <span class="n">normalize</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"table"</span><span class="p">))</span> <span class="ow">in</span> <span class="n">targets</span>
|
||||
</span><span id="merge_without_target_sql-1018"><a href="#merge_without_target_sql-1018"><span class="linenos">1018</span></a> <span class="k">else</span> <span class="n">node</span><span class="p">,</span>
|
||||
</span><span id="merge_without_target_sql-1019"><a href="#merge_without_target_sql-1019"><span class="linenos">1019</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="merge_without_target_sql-1020"><a href="#merge_without_target_sql-1020"><span class="linenos">1020</span></a> <span class="p">)</span>
|
||||
</span><span id="merge_without_target_sql-1021"><a href="#merge_without_target_sql-1021"><span class="linenos">1021</span></a>
|
||||
</span><span id="merge_without_target_sql-1022"><a href="#merge_without_target_sql-1022"><span class="linenos">1022</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">merge_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
<div class="docstring"><p>Remove table refs from columns in when statements.</p>
|
||||
</div>
|
||||
|
||||
|
||||
</section>
|
||||
</main>
|
||||
<script>
|
||||
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@ -3,7 +3,7 @@
|
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<head>
|
||||
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|
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|
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|
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<title>sqlglot.diff API documentation</title>
|
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<title>sqlglot.executor.table API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<title>sqlglot.helper API documentation</title>
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<meta name="generator" content="pdoc 14.3.0"/>
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<meta name="generator" content="pdoc 14.4.0"/>
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<title>sqlglot.optimizer.isolate_table_selects API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<meta name="generator" content="pdoc 14.4.0"/>
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<title>sqlglot.optimizer.merge_subqueries API documentation</title>
|
||||
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||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
|
|
@ -585,7 +585,7 @@ queries if it would result in multiple table selects in a single query:</p>
|
|||
<div class="attr variable">
|
||||
<span class="name">UNMERGABLE_ARGS</span> =
|
||||
<input id="UNMERGABLE_ARGS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'locks', 'into', 'sample', 'settings', 'pivots', 'distinct', 'cluster', 'connect', 'qualify', 'windows', 'sort', 'match', 'distribute', 'laterals', 'limit', 'with', 'offset', 'format', 'kind', 'having', 'group'}</span>
|
||||
<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'kind', 'qualify', 'offset', 'locks', 'group', 'with', 'limit', 'format', 'distinct', 'sample', 'laterals', 'cluster', 'settings', 'pivots', 'connect', 'distribute', 'match', 'having', 'into', 'windows', 'sort'}</span>
|
||||
|
||||
|
||||
</div>
|
||||
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||||
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<meta name="generator" content="pdoc 14.3.0"/>
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<meta name="generator" content="pdoc 14.4.0"/>
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||||
<title>sqlglot.optimizer.normalize API documentation</title>
|
||||
|
||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<title>sqlglot.optimizer.normalize_identifiers API documentation</title>
|
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<title>sqlglot.optimizer.optimize_joins API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<title>sqlglot.optimizer.pushdown_predicates API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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@ -103,171 +103,183 @@
|
|||
</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">selected_sources</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span>
|
||||
</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="c1"># a right join can only push down to itself and not the source FROM table</span>
|
||||
</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span> <span class="ow">and</span> <span class="n">parent</span><span class="o">.</span><span class="n">side</span> <span class="o">==</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">selected_sources</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)}</span>
|
||||
</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="k">break</span>
|
||||
</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">pushdown</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">selected_sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">)</span>
|
||||
</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a>
|
||||
</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="c1"># joins should only pushdown into itself, not to other joins</span>
|
||||
</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="c1"># so we limit the selected sources to only itself</span>
|
||||
</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span>
|
||||
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="n">pushdown</span><span class="p">(</span>
|
||||
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">),</span>
|
||||
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">[</span><span class="n">name</span><span class="p">]},</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">scope_ref_count</span><span class="p">,</span>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="n">dialect</span><span class="p">,</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="p">)</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="k">def</span> <span class="nf">pushdown</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">):</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">return</span>
|
||||
</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">join_index</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="p">}</span>
|
||||
</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a>
|
||||
</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="c1"># a right join can only push down to itself and not the source FROM table</span>
|
||||
</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span> <span class="ow">and</span> <span class="n">parent</span><span class="o">.</span><span class="n">side</span> <span class="o">==</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="n">selected_sources</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)}</span>
|
||||
</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="k">break</span>
|
||||
</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a>
|
||||
</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">pushdown</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">selected_sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">,</span> <span class="n">join_index</span><span class="p">)</span>
|
||||
</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a>
|
||||
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="c1"># joins should only pushdown into itself, not to other joins</span>
|
||||
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="c1"># so we limit the selected sources to only itself</span>
|
||||
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="n">pushdown</span><span class="p">(</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">),</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">[</span><span class="n">name</span><span class="p">]},</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="n">scope_ref_count</span><span class="p">,</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">dialect</span><span class="p">,</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="p">)</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">condition</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">))</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">cnf_like</span> <span class="o">=</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dnf</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">predicates</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">condition</span><span class="o">.</span><span class="n">flatten</span><span class="p">()</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">if</span> <span class="n">cnf_like</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">else</span> <span class="p">[</span><span class="n">condition</span><span class="p">]</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="p">)</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">if</span> <span class="n">cnf_like</span><span class="p">:</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="n">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a><span class="k">def</span> <span class="nf">pushdown</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">return</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">condition</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">))</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="n">cnf_like</span> <span class="o">=</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dnf</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">predicates</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="n">condition</span><span class="o">.</span><span class="n">flatten</span><span class="p">()</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">if</span> <span class="n">cnf_like</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="k">else</span> <span class="p">[</span><span class="n">condition</span><span class="p">]</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="p">)</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a><span class="sd"> If the predicates are in CNF like form, we can simply replace each block in the parent.</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="k">break</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a><span class="sd"> If the predicates are in DNF form, we can only push down conditions that are in all blocks.</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a><span class="sd"> Additionally, we can't remove predicates from their original form.</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="c1"># find all the tables that can be pushdown too</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="c1"># these are tables that are referenced in all blocks of a DNF</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="c1"># (a.x AND b.x) OR (a.y AND c.y)</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="c1"># only table a can be push down</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">pushdown_tables</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">if</span> <span class="n">cnf_like</span><span class="p">:</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="n">join_index</span><span class="p">)</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="sd"> If the predicates are in CNF like form, we can simply replace each block in the parent.</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">join_index</span> <span class="o">=</span> <span class="n">join_index</span> <span class="ow">or</span> <span class="p">{}</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">predicate_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="c1"># Don't push the predicate if it references tables that appear in later joins</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">this_index</span> <span class="o">=</span> <span class="n">join_index</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="nb">all</span><span class="p">(</span><span class="n">join_index</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="o"><</span> <span class="n">this_index</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">predicate_tables</span><span class="p">):</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="k">break</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="k">for</span> <span class="n">a</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">a_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">a_tables</span> <span class="o">&=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">pushdown_tables</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">a_tables</span><span class="p">)</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">conditions</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="c1"># pushdown all predicates to their respective nodes</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">pushdown_tables</span><span class="p">):</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a><span class="sd"> If the predicates are in DNF form, we can only push down conditions that are in all blocks.</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a><span class="sd"> Additionally, we can't remove predicates from their original form.</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="c1"># find all the tables that can be pushdown too</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="c1"># these are tables that are referenced in all blocks of a DNF</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="c1"># (a.x AND b.x) OR (a.y AND c.y)</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="c1"># only table a can be push down</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">pushdown_tables</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">a</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">a_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">nodes</span><span class="p">:</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">a_tables</span> <span class="o">&=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span><span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">],</span> <span class="n">predicate</span><span class="p">)</span> <span class="k">if</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">conditions</span> <span class="k">else</span> <span class="n">predicate</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="p">)</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">pushdown_tables</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">a_tables</span><span class="p">)</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">conditions</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">conditions</span><span class="p">:</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">conditions</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="c1"># pushdown all predicates to their respective nodes</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">pushdown_tables</span><span class="p">):</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">nodes</span><span class="p">:</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span><span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">],</span> <span class="n">predicate</span><span class="p">)</span> <span class="k">if</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">conditions</span> <span class="k">else</span> <span class="n">predicate</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="p">)</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">conditions</span><span class="p">:</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a><span class="k">def</span> <span class="nf">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">where_condition</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">),</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">tables</span><span class="p">):</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">source</span> <span class="o">=</span> <span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="c1"># if the predicate is in a where statement we can try to push it down</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="c1"># we want to find the root join or from statement</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">where_condition</span><span class="p">:</span>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="c1"># a node can reference a CTE which should be pushed down</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="n">with_</span> <span class="ow">and</span> <span class="n">with_</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">conditions</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a><span class="k">def</span> <span class="nf">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">where_condition</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">),</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">tables</span><span class="p">):</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">source</span> <span class="o">=</span> <span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="o">!=</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">tables</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># We can't push down window expressions</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">has_window_expression</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Window</span><span class="p">)</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="p">)</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="c1"># we can't push down predicates to select statements if they are referenced in</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># multiple places.</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="ow">and</span> <span class="n">scope_ref_count</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">source</span><span class="p">)]</span> <span class="o"><</span> <span class="mi">2</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">has_window_expression</span>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="p">):</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">return</span> <span class="n">nodes</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a><span class="k">def</span> <span class="nf">replace_aliases</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">predicate</span><span class="p">):</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">def</span> <span class="nf">_replace_alias</span><span class="p">(</span><span class="n">column</span><span class="p">):</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">aliases</span><span class="p">:</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">return</span> <span class="n">aliases</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">return</span> <span class="n">column</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">return</span> <span class="n">predicate</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">_replace_alias</span><span class="p">)</span>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="c1"># if the predicate is in a where statement we can try to push it down</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="c1"># we want to find the root join or from statement</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">where_condition</span><span class="p">:</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># a node can reference a CTE which should be pushed down</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="k">if</span> <span class="n">with_</span> <span class="ow">and</span> <span class="n">with_</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="o">!=</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">tables</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="c1"># We can't push down window expressions</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">has_window_expression</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Window</span><span class="p">)</span>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="p">)</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="c1"># we can't push down predicates to select statements if they are referenced in</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="c1"># multiple places.</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="ow">and</span> <span class="n">scope_ref_count</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">source</span><span class="p">)]</span> <span class="o"><</span> <span class="mi">2</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">has_window_expression</span>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="p">):</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">return</span> <span class="n">nodes</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a><span class="k">def</span> <span class="nf">replace_aliases</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">predicate</span><span class="p">):</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a>
|
||||
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">def</span> <span class="nf">_replace_alias</span><span class="p">(</span><span class="n">column</span><span class="p">):</span>
|
||||
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">aliases</span><span class="p">:</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">return</span> <span class="n">aliases</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="k">return</span> <span class="n">column</span>
|
||||
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">return</span> <span class="n">predicate</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">_replace_alias</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -309,27 +321,32 @@
|
|||
</span><span id="pushdown_predicates-31"><a href="#pushdown_predicates-31"><span class="linenos">31</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-32"><a href="#pushdown_predicates-32"><span class="linenos">32</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="pushdown_predicates-33"><a href="#pushdown_predicates-33"><span class="linenos">33</span></a> <span class="n">selected_sources</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span>
|
||||
</span><span id="pushdown_predicates-34"><a href="#pushdown_predicates-34"><span class="linenos">34</span></a> <span class="c1"># a right join can only push down to itself and not the source FROM table</span>
|
||||
</span><span id="pushdown_predicates-35"><a href="#pushdown_predicates-35"><span class="linenos">35</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_predicates-36"><a href="#pushdown_predicates-36"><span class="linenos">36</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-37"><a href="#pushdown_predicates-37"><span class="linenos">37</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span> <span class="ow">and</span> <span class="n">parent</span><span class="o">.</span><span class="n">side</span> <span class="o">==</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="pushdown_predicates-38"><a href="#pushdown_predicates-38"><span class="linenos">38</span></a> <span class="n">selected_sources</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)}</span>
|
||||
</span><span id="pushdown_predicates-39"><a href="#pushdown_predicates-39"><span class="linenos">39</span></a> <span class="k">break</span>
|
||||
</span><span id="pushdown_predicates-40"><a href="#pushdown_predicates-40"><span class="linenos">40</span></a> <span class="n">pushdown</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">selected_sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-41"><a href="#pushdown_predicates-41"><span class="linenos">41</span></a>
|
||||
</span><span id="pushdown_predicates-42"><a href="#pushdown_predicates-42"><span class="linenos">42</span></a> <span class="c1"># joins should only pushdown into itself, not to other joins</span>
|
||||
</span><span id="pushdown_predicates-43"><a href="#pushdown_predicates-43"><span class="linenos">43</span></a> <span class="c1"># so we limit the selected sources to only itself</span>
|
||||
</span><span id="pushdown_predicates-44"><a href="#pushdown_predicates-44"><span class="linenos">44</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="pushdown_predicates-45"><a href="#pushdown_predicates-45"><span class="linenos">45</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_predicates-46"><a href="#pushdown_predicates-46"><span class="linenos">46</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span>
|
||||
</span><span id="pushdown_predicates-47"><a href="#pushdown_predicates-47"><span class="linenos">47</span></a> <span class="n">pushdown</span><span class="p">(</span>
|
||||
</span><span id="pushdown_predicates-48"><a href="#pushdown_predicates-48"><span class="linenos">48</span></a> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">),</span>
|
||||
</span><span id="pushdown_predicates-49"><a href="#pushdown_predicates-49"><span class="linenos">49</span></a> <span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">[</span><span class="n">name</span><span class="p">]},</span>
|
||||
</span><span id="pushdown_predicates-50"><a href="#pushdown_predicates-50"><span class="linenos">50</span></a> <span class="n">scope_ref_count</span><span class="p">,</span>
|
||||
</span><span id="pushdown_predicates-51"><a href="#pushdown_predicates-51"><span class="linenos">51</span></a> <span class="n">dialect</span><span class="p">,</span>
|
||||
</span><span id="pushdown_predicates-52"><a href="#pushdown_predicates-52"><span class="linenos">52</span></a> <span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-53"><a href="#pushdown_predicates-53"><span class="linenos">53</span></a>
|
||||
</span><span id="pushdown_predicates-54"><a href="#pushdown_predicates-54"><span class="linenos">54</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="pushdown_predicates-34"><a href="#pushdown_predicates-34"><span class="linenos">34</span></a> <span class="n">join_index</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="pushdown_predicates-35"><a href="#pushdown_predicates-35"><span class="linenos">35</span></a> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="pushdown_predicates-36"><a href="#pushdown_predicates-36"><span class="linenos">36</span></a> <span class="p">}</span>
|
||||
</span><span id="pushdown_predicates-37"><a href="#pushdown_predicates-37"><span class="linenos">37</span></a>
|
||||
</span><span id="pushdown_predicates-38"><a href="#pushdown_predicates-38"><span class="linenos">38</span></a> <span class="c1"># a right join can only push down to itself and not the source FROM table</span>
|
||||
</span><span id="pushdown_predicates-39"><a href="#pushdown_predicates-39"><span class="linenos">39</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_predicates-40"><a href="#pushdown_predicates-40"><span class="linenos">40</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-41"><a href="#pushdown_predicates-41"><span class="linenos">41</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span> <span class="ow">and</span> <span class="n">parent</span><span class="o">.</span><span class="n">side</span> <span class="o">==</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="pushdown_predicates-42"><a href="#pushdown_predicates-42"><span class="linenos">42</span></a> <span class="n">selected_sources</span> <span class="o">=</span> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)}</span>
|
||||
</span><span id="pushdown_predicates-43"><a href="#pushdown_predicates-43"><span class="linenos">43</span></a> <span class="k">break</span>
|
||||
</span><span id="pushdown_predicates-44"><a href="#pushdown_predicates-44"><span class="linenos">44</span></a>
|
||||
</span><span id="pushdown_predicates-45"><a href="#pushdown_predicates-45"><span class="linenos">45</span></a> <span class="n">pushdown</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">selected_sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">,</span> <span class="n">join_index</span><span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-46"><a href="#pushdown_predicates-46"><span class="linenos">46</span></a>
|
||||
</span><span id="pushdown_predicates-47"><a href="#pushdown_predicates-47"><span class="linenos">47</span></a> <span class="c1"># joins should only pushdown into itself, not to other joins</span>
|
||||
</span><span id="pushdown_predicates-48"><a href="#pushdown_predicates-48"><span class="linenos">48</span></a> <span class="c1"># so we limit the selected sources to only itself</span>
|
||||
</span><span id="pushdown_predicates-49"><a href="#pushdown_predicates-49"><span class="linenos">49</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="pushdown_predicates-50"><a href="#pushdown_predicates-50"><span class="linenos">50</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_predicates-51"><a href="#pushdown_predicates-51"><span class="linenos">51</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span>
|
||||
</span><span id="pushdown_predicates-52"><a href="#pushdown_predicates-52"><span class="linenos">52</span></a> <span class="n">pushdown</span><span class="p">(</span>
|
||||
</span><span id="pushdown_predicates-53"><a href="#pushdown_predicates-53"><span class="linenos">53</span></a> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">),</span>
|
||||
</span><span id="pushdown_predicates-54"><a href="#pushdown_predicates-54"><span class="linenos">54</span></a> <span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">[</span><span class="n">name</span><span class="p">]},</span>
|
||||
</span><span id="pushdown_predicates-55"><a href="#pushdown_predicates-55"><span class="linenos">55</span></a> <span class="n">scope_ref_count</span><span class="p">,</span>
|
||||
</span><span id="pushdown_predicates-56"><a href="#pushdown_predicates-56"><span class="linenos">56</span></a> <span class="n">dialect</span><span class="p">,</span>
|
||||
</span><span id="pushdown_predicates-57"><a href="#pushdown_predicates-57"><span class="linenos">57</span></a> <span class="p">)</span>
|
||||
</span><span id="pushdown_predicates-58"><a href="#pushdown_predicates-58"><span class="linenos">58</span></a>
|
||||
</span><span id="pushdown_predicates-59"><a href="#pushdown_predicates-59"><span class="linenos">59</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -368,29 +385,29 @@
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">pushdown</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">condition</span>, </span><span class="param"><span class="n">sources</span>, </span><span class="param"><span class="n">scope_ref_count</span>, </span><span class="param"><span class="n">dialect</span></span><span class="return-annotation">):</span></span>
|
||||
<span class="name">pushdown</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">condition</span>, </span><span class="param"><span class="n">sources</span>, </span><span class="param"><span class="n">scope_ref_count</span>, </span><span class="param"><span class="n">dialect</span>, </span><span class="param"><span class="n">join_index</span><span class="o">=</span><span class="kc">None</span></span><span class="return-annotation">):</span></span>
|
||||
|
||||
<label class="view-source-button" for="pushdown-view-source"><span>View Source</span></label>
|
||||
|
||||
</div>
|
||||
<a class="headerlink" href="#pushdown"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown-57"><a href="#pushdown-57"><span class="linenos">57</span></a><span class="k">def</span> <span class="nf">pushdown</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">):</span>
|
||||
</span><span id="pushdown-58"><a href="#pushdown-58"><span class="linenos">58</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span>
|
||||
</span><span id="pushdown-59"><a href="#pushdown-59"><span class="linenos">59</span></a> <span class="k">return</span>
|
||||
</span><span id="pushdown-60"><a href="#pushdown-60"><span class="linenos">60</span></a>
|
||||
</span><span id="pushdown-61"><a href="#pushdown-61"><span class="linenos">61</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">condition</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">))</span>
|
||||
</span><span id="pushdown-62"><a href="#pushdown-62"><span class="linenos">62</span></a> <span class="n">cnf_like</span> <span class="o">=</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dnf</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="pushdown-63"><a href="#pushdown-63"><span class="linenos">63</span></a>
|
||||
</span><span id="pushdown-64"><a href="#pushdown-64"><span class="linenos">64</span></a> <span class="n">predicates</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
|
||||
</span><span id="pushdown-65"><a href="#pushdown-65"><span class="linenos">65</span></a> <span class="n">condition</span><span class="o">.</span><span class="n">flatten</span><span class="p">()</span>
|
||||
</span><span id="pushdown-66"><a href="#pushdown-66"><span class="linenos">66</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">if</span> <span class="n">cnf_like</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span>
|
||||
</span><span id="pushdown-67"><a href="#pushdown-67"><span class="linenos">67</span></a> <span class="k">else</span> <span class="p">[</span><span class="n">condition</span><span class="p">]</span>
|
||||
</span><span id="pushdown-68"><a href="#pushdown-68"><span class="linenos">68</span></a> <span class="p">)</span>
|
||||
</span><span id="pushdown-69"><a href="#pushdown-69"><span class="linenos">69</span></a>
|
||||
</span><span id="pushdown-70"><a href="#pushdown-70"><span class="linenos">70</span></a> <span class="k">if</span> <span class="n">cnf_like</span><span class="p">:</span>
|
||||
</span><span id="pushdown-71"><a href="#pushdown-71"><span class="linenos">71</span></a> <span class="n">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown-72"><a href="#pushdown-72"><span class="linenos">72</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown-73"><a href="#pushdown-73"><span class="linenos">73</span></a> <span class="n">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown-62"><a href="#pushdown-62"><span class="linenos">62</span></a><span class="k">def</span> <span class="nf">pushdown</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">dialect</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="pushdown-63"><a href="#pushdown-63"><span class="linenos">63</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span>
|
||||
</span><span id="pushdown-64"><a href="#pushdown-64"><span class="linenos">64</span></a> <span class="k">return</span>
|
||||
</span><span id="pushdown-65"><a href="#pushdown-65"><span class="linenos">65</span></a>
|
||||
</span><span id="pushdown-66"><a href="#pushdown-66"><span class="linenos">66</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">condition</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">simplify</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">))</span>
|
||||
</span><span id="pushdown-67"><a href="#pushdown-67"><span class="linenos">67</span></a> <span class="n">cnf_like</span> <span class="o">=</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">normalized</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">dnf</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="pushdown-68"><a href="#pushdown-68"><span class="linenos">68</span></a>
|
||||
</span><span id="pushdown-69"><a href="#pushdown-69"><span class="linenos">69</span></a> <span class="n">predicates</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
|
||||
</span><span id="pushdown-70"><a href="#pushdown-70"><span class="linenos">70</span></a> <span class="n">condition</span><span class="o">.</span><span class="n">flatten</span><span class="p">()</span>
|
||||
</span><span id="pushdown-71"><a href="#pushdown-71"><span class="linenos">71</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">if</span> <span class="n">cnf_like</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span>
|
||||
</span><span id="pushdown-72"><a href="#pushdown-72"><span class="linenos">72</span></a> <span class="k">else</span> <span class="p">[</span><span class="n">condition</span><span class="p">]</span>
|
||||
</span><span id="pushdown-73"><a href="#pushdown-73"><span class="linenos">73</span></a> <span class="p">)</span>
|
||||
</span><span id="pushdown-74"><a href="#pushdown-74"><span class="linenos">74</span></a>
|
||||
</span><span id="pushdown-75"><a href="#pushdown-75"><span class="linenos">75</span></a> <span class="k">if</span> <span class="n">cnf_like</span><span class="p">:</span>
|
||||
</span><span id="pushdown-76"><a href="#pushdown-76"><span class="linenos">76</span></a> <span class="n">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="n">join_index</span><span class="p">)</span>
|
||||
</span><span id="pushdown-77"><a href="#pushdown-77"><span class="linenos">77</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown-78"><a href="#pushdown-78"><span class="linenos">78</span></a> <span class="n">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -402,29 +419,36 @@
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">pushdown_cnf</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">predicates</span>, </span><span class="param"><span class="n">scope</span>, </span><span class="param"><span class="n">scope_ref_count</span></span><span class="return-annotation">):</span></span>
|
||||
<span class="name">pushdown_cnf</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">predicates</span>, </span><span class="param"><span class="n">scope</span>, </span><span class="param"><span class="n">scope_ref_count</span>, </span><span class="param"><span class="n">join_index</span><span class="o">=</span><span class="kc">None</span></span><span class="return-annotation">):</span></span>
|
||||
|
||||
<label class="view-source-button" for="pushdown_cnf-view-source"><span>View Source</span></label>
|
||||
|
||||
</div>
|
||||
<a class="headerlink" href="#pushdown_cnf"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_cnf-76"><a href="#pushdown_cnf-76"><span class="linenos">76</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-77"><a href="#pushdown_cnf-77"><span class="linenos">77</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="pushdown_cnf-78"><a href="#pushdown_cnf-78"><span class="linenos">78</span></a><span class="sd"> If the predicates are in CNF like form, we can simply replace each block in the parent.</span>
|
||||
</span><span id="pushdown_cnf-79"><a href="#pushdown_cnf-79"><span class="linenos">79</span></a><span class="sd"> """</span>
|
||||
</span><span id="pushdown_cnf-80"><a href="#pushdown_cnf-80"><span class="linenos">80</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_cnf-81"><a href="#pushdown_cnf-81"><span class="linenos">81</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="pushdown_cnf-82"><a href="#pushdown_cnf-82"><span class="linenos">82</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-83"><a href="#pushdown_cnf-83"><span class="linenos">83</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="pushdown_cnf-84"><a href="#pushdown_cnf-84"><span class="linenos">84</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-85"><a href="#pushdown_cnf-85"><span class="linenos">85</span></a> <span class="k">break</span>
|
||||
</span><span id="pushdown_cnf-86"><a href="#pushdown_cnf-86"><span class="linenos">86</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-87"><a href="#pushdown_cnf-87"><span class="linenos">87</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="pushdown_cnf-88"><a href="#pushdown_cnf-88"><span class="linenos">88</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-89"><a href="#pushdown_cnf-89"><span class="linenos">89</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-90"><a href="#pushdown_cnf-90"><span class="linenos">90</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-91"><a href="#pushdown_cnf-91"><span class="linenos">91</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown_cnf-92"><a href="#pushdown_cnf-92"><span class="linenos">92</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_cnf-81"><a href="#pushdown_cnf-81"><span class="linenos"> 81</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-82"><a href="#pushdown_cnf-82"><span class="linenos"> 82</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="pushdown_cnf-83"><a href="#pushdown_cnf-83"><span class="linenos"> 83</span></a><span class="sd"> If the predicates are in CNF like form, we can simply replace each block in the parent.</span>
|
||||
</span><span id="pushdown_cnf-84"><a href="#pushdown_cnf-84"><span class="linenos"> 84</span></a><span class="sd"> """</span>
|
||||
</span><span id="pushdown_cnf-85"><a href="#pushdown_cnf-85"><span class="linenos"> 85</span></a> <span class="n">join_index</span> <span class="o">=</span> <span class="n">join_index</span> <span class="ow">or</span> <span class="p">{}</span>
|
||||
</span><span id="pushdown_cnf-86"><a href="#pushdown_cnf-86"><span class="linenos"> 86</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_cnf-87"><a href="#pushdown_cnf-87"><span class="linenos"> 87</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="pushdown_cnf-88"><a href="#pushdown_cnf-88"><span class="linenos"> 88</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-89"><a href="#pushdown_cnf-89"><span class="linenos"> 89</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_cnf-90"><a href="#pushdown_cnf-90"><span class="linenos"> 90</span></a> <span class="n">predicate_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-91"><a href="#pushdown_cnf-91"><span class="linenos"> 91</span></a>
|
||||
</span><span id="pushdown_cnf-92"><a href="#pushdown_cnf-92"><span class="linenos"> 92</span></a> <span class="c1"># Don't push the predicate if it references tables that appear in later joins</span>
|
||||
</span><span id="pushdown_cnf-93"><a href="#pushdown_cnf-93"><span class="linenos"> 93</span></a> <span class="n">this_index</span> <span class="o">=</span> <span class="n">join_index</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
|
||||
</span><span id="pushdown_cnf-94"><a href="#pushdown_cnf-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="nb">all</span><span class="p">(</span><span class="n">join_index</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="o"><</span> <span class="n">this_index</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">predicate_tables</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-95"><a href="#pushdown_cnf-95"><span class="linenos"> 95</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="pushdown_cnf-96"><a href="#pushdown_cnf-96"><span class="linenos"> 96</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-97"><a href="#pushdown_cnf-97"><span class="linenos"> 97</span></a> <span class="k">break</span>
|
||||
</span><span id="pushdown_cnf-98"><a href="#pushdown_cnf-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-99"><a href="#pushdown_cnf-99"><span class="linenos"> 99</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="pushdown_cnf-100"><a href="#pushdown_cnf-100"><span class="linenos">100</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-101"><a href="#pushdown_cnf-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-102"><a href="#pushdown_cnf-102"><span class="linenos">102</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_cnf-103"><a href="#pushdown_cnf-103"><span class="linenos">103</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown_cnf-104"><a href="#pushdown_cnf-104"><span class="linenos">104</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -444,53 +468,53 @@
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#pushdown_dnf"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_dnf-95"><a href="#pushdown_dnf-95"><span class="linenos"> 95</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-96"><a href="#pushdown_dnf-96"><span class="linenos"> 96</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="pushdown_dnf-97"><a href="#pushdown_dnf-97"><span class="linenos"> 97</span></a><span class="sd"> If the predicates are in DNF form, we can only push down conditions that are in all blocks.</span>
|
||||
</span><span id="pushdown_dnf-98"><a href="#pushdown_dnf-98"><span class="linenos"> 98</span></a><span class="sd"> Additionally, we can't remove predicates from their original form.</span>
|
||||
</span><span id="pushdown_dnf-99"><a href="#pushdown_dnf-99"><span class="linenos"> 99</span></a><span class="sd"> """</span>
|
||||
</span><span id="pushdown_dnf-100"><a href="#pushdown_dnf-100"><span class="linenos">100</span></a> <span class="c1"># find all the tables that can be pushdown too</span>
|
||||
</span><span id="pushdown_dnf-101"><a href="#pushdown_dnf-101"><span class="linenos">101</span></a> <span class="c1"># these are tables that are referenced in all blocks of a DNF</span>
|
||||
</span><span id="pushdown_dnf-102"><a href="#pushdown_dnf-102"><span class="linenos">102</span></a> <span class="c1"># (a.x AND b.x) OR (a.y AND c.y)</span>
|
||||
</span><span id="pushdown_dnf-103"><a href="#pushdown_dnf-103"><span class="linenos">103</span></a> <span class="c1"># only table a can be push down</span>
|
||||
</span><span id="pushdown_dnf-104"><a href="#pushdown_dnf-104"><span class="linenos">104</span></a> <span class="n">pushdown_tables</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="pushdown_dnf-105"><a href="#pushdown_dnf-105"><span class="linenos">105</span></a>
|
||||
</span><span id="pushdown_dnf-106"><a href="#pushdown_dnf-106"><span class="linenos">106</span></a> <span class="k">for</span> <span class="n">a</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-107"><a href="#pushdown_dnf-107"><span class="linenos">107</span></a> <span class="n">a_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-108"><a href="#pushdown_dnf-108"><span class="linenos">108</span></a>
|
||||
</span><span id="pushdown_dnf-109"><a href="#pushdown_dnf-109"><span class="linenos">109</span></a> <span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-110"><a href="#pushdown_dnf-110"><span class="linenos">110</span></a> <span class="n">a_tables</span> <span class="o">&=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-111"><a href="#pushdown_dnf-111"><span class="linenos">111</span></a>
|
||||
</span><span id="pushdown_dnf-112"><a href="#pushdown_dnf-112"><span class="linenos">112</span></a> <span class="n">pushdown_tables</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">a_tables</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-113"><a href="#pushdown_dnf-113"><span class="linenos">113</span></a>
|
||||
</span><span id="pushdown_dnf-114"><a href="#pushdown_dnf-114"><span class="linenos">114</span></a> <span class="n">conditions</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="pushdown_dnf-115"><a href="#pushdown_dnf-115"><span class="linenos">115</span></a>
|
||||
</span><span id="pushdown_dnf-116"><a href="#pushdown_dnf-116"><span class="linenos">116</span></a> <span class="c1"># pushdown all predicates to their respective nodes</span>
|
||||
</span><span id="pushdown_dnf-117"><a href="#pushdown_dnf-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">pushdown_tables</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-118"><a href="#pushdown_dnf-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-119"><a href="#pushdown_dnf-119"><span class="linenos">119</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_dnf-107"><a href="#pushdown_dnf-107"><span class="linenos">107</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-108"><a href="#pushdown_dnf-108"><span class="linenos">108</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="pushdown_dnf-109"><a href="#pushdown_dnf-109"><span class="linenos">109</span></a><span class="sd"> If the predicates are in DNF form, we can only push down conditions that are in all blocks.</span>
|
||||
</span><span id="pushdown_dnf-110"><a href="#pushdown_dnf-110"><span class="linenos">110</span></a><span class="sd"> Additionally, we can't remove predicates from their original form.</span>
|
||||
</span><span id="pushdown_dnf-111"><a href="#pushdown_dnf-111"><span class="linenos">111</span></a><span class="sd"> """</span>
|
||||
</span><span id="pushdown_dnf-112"><a href="#pushdown_dnf-112"><span class="linenos">112</span></a> <span class="c1"># find all the tables that can be pushdown too</span>
|
||||
</span><span id="pushdown_dnf-113"><a href="#pushdown_dnf-113"><span class="linenos">113</span></a> <span class="c1"># these are tables that are referenced in all blocks of a DNF</span>
|
||||
</span><span id="pushdown_dnf-114"><a href="#pushdown_dnf-114"><span class="linenos">114</span></a> <span class="c1"># (a.x AND b.x) OR (a.y AND c.y)</span>
|
||||
</span><span id="pushdown_dnf-115"><a href="#pushdown_dnf-115"><span class="linenos">115</span></a> <span class="c1"># only table a can be push down</span>
|
||||
</span><span id="pushdown_dnf-116"><a href="#pushdown_dnf-116"><span class="linenos">116</span></a> <span class="n">pushdown_tables</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="pushdown_dnf-117"><a href="#pushdown_dnf-117"><span class="linenos">117</span></a>
|
||||
</span><span id="pushdown_dnf-118"><a href="#pushdown_dnf-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">a</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-119"><a href="#pushdown_dnf-119"><span class="linenos">119</span></a> <span class="n">a_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-120"><a href="#pushdown_dnf-120"><span class="linenos">120</span></a>
|
||||
</span><span id="pushdown_dnf-121"><a href="#pushdown_dnf-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">nodes</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-122"><a href="#pushdown_dnf-122"><span class="linenos">122</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_dnf-121"><a href="#pushdown_dnf-121"><span class="linenos">121</span></a> <span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-122"><a href="#pushdown_dnf-122"><span class="linenos">122</span></a> <span class="n">a_tables</span> <span class="o">&=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">b</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-123"><a href="#pushdown_dnf-123"><span class="linenos">123</span></a>
|
||||
</span><span id="pushdown_dnf-124"><a href="#pushdown_dnf-124"><span class="linenos">124</span></a> <span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="pushdown_dnf-125"><a href="#pushdown_dnf-125"><span class="linenos">125</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span><span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">],</span> <span class="n">predicate</span><span class="p">)</span> <span class="k">if</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">conditions</span> <span class="k">else</span> <span class="n">predicate</span>
|
||||
</span><span id="pushdown_dnf-126"><a href="#pushdown_dnf-126"><span class="linenos">126</span></a> <span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-124"><a href="#pushdown_dnf-124"><span class="linenos">124</span></a> <span class="n">pushdown_tables</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">a_tables</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-125"><a href="#pushdown_dnf-125"><span class="linenos">125</span></a>
|
||||
</span><span id="pushdown_dnf-126"><a href="#pushdown_dnf-126"><span class="linenos">126</span></a> <span class="n">conditions</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="pushdown_dnf-127"><a href="#pushdown_dnf-127"><span class="linenos">127</span></a>
|
||||
</span><span id="pushdown_dnf-128"><a href="#pushdown_dnf-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_dnf-129"><a href="#pushdown_dnf-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">conditions</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-130"><a href="#pushdown_dnf-130"><span class="linenos">130</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_dnf-131"><a href="#pushdown_dnf-131"><span class="linenos">131</span></a>
|
||||
</span><span id="pushdown_dnf-132"><a href="#pushdown_dnf-132"><span class="linenos">132</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">conditions</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
|
||||
</span><span id="pushdown_dnf-133"><a href="#pushdown_dnf-133"><span class="linenos">133</span></a>
|
||||
</span><span id="pushdown_dnf-134"><a href="#pushdown_dnf-134"><span class="linenos">134</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-135"><a href="#pushdown_dnf-135"><span class="linenos">135</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-136"><a href="#pushdown_dnf-136"><span class="linenos">136</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-137"><a href="#pushdown_dnf-137"><span class="linenos">137</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-138"><a href="#pushdown_dnf-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-139"><a href="#pushdown_dnf-139"><span class="linenos">139</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-140"><a href="#pushdown_dnf-140"><span class="linenos">140</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-141"><a href="#pushdown_dnf-141"><span class="linenos">141</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-128"><a href="#pushdown_dnf-128"><span class="linenos">128</span></a> <span class="c1"># pushdown all predicates to their respective nodes</span>
|
||||
</span><span id="pushdown_dnf-129"><a href="#pushdown_dnf-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">pushdown_tables</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-130"><a href="#pushdown_dnf-130"><span class="linenos">130</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-131"><a href="#pushdown_dnf-131"><span class="linenos">131</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-132"><a href="#pushdown_dnf-132"><span class="linenos">132</span></a>
|
||||
</span><span id="pushdown_dnf-133"><a href="#pushdown_dnf-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">nodes</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-134"><a href="#pushdown_dnf-134"><span class="linenos">134</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_dnf-135"><a href="#pushdown_dnf-135"><span class="linenos">135</span></a>
|
||||
</span><span id="pushdown_dnf-136"><a href="#pushdown_dnf-136"><span class="linenos">136</span></a> <span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="pushdown_dnf-137"><a href="#pushdown_dnf-137"><span class="linenos">137</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span><span class="n">conditions</span><span class="p">[</span><span class="n">table</span><span class="p">],</span> <span class="n">predicate</span><span class="p">)</span> <span class="k">if</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">conditions</span> <span class="k">else</span> <span class="n">predicate</span>
|
||||
</span><span id="pushdown_dnf-138"><a href="#pushdown_dnf-138"><span class="linenos">138</span></a> <span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-139"><a href="#pushdown_dnf-139"><span class="linenos">139</span></a>
|
||||
</span><span id="pushdown_dnf-140"><a href="#pushdown_dnf-140"><span class="linenos">140</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_dnf-141"><a href="#pushdown_dnf-141"><span class="linenos">141</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">conditions</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-142"><a href="#pushdown_dnf-142"><span class="linenos">142</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_dnf-143"><a href="#pushdown_dnf-143"><span class="linenos">143</span></a>
|
||||
</span><span id="pushdown_dnf-144"><a href="#pushdown_dnf-144"><span class="linenos">144</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">conditions</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
|
||||
</span><span id="pushdown_dnf-145"><a href="#pushdown_dnf-145"><span class="linenos">145</span></a>
|
||||
</span><span id="pushdown_dnf-146"><a href="#pushdown_dnf-146"><span class="linenos">146</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-147"><a href="#pushdown_dnf-147"><span class="linenos">147</span></a> <span class="n">node</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-148"><a href="#pushdown_dnf-148"><span class="linenos">148</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-149"><a href="#pushdown_dnf-149"><span class="linenos">149</span></a> <span class="n">inner_predicate</span> <span class="o">=</span> <span class="n">replace_aliases</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-150"><a href="#pushdown_dnf-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="n">find_in_scope</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-151"><a href="#pushdown_dnf-151"><span class="linenos">151</span></a> <span class="n">node</span><span class="o">.</span><span class="n">having</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-152"><a href="#pushdown_dnf-152"><span class="linenos">152</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-153"><a href="#pushdown_dnf-153"><span class="linenos">153</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -511,44 +535,44 @@ Additionally, we can't remove predicates from their original form.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#nodes_for_predicate"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="nodes_for_predicate-144"><a href="#nodes_for_predicate-144"><span class="linenos">144</span></a><span class="k">def</span> <span class="nf">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-145"><a href="#nodes_for_predicate-145"><span class="linenos">145</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="nodes_for_predicate-146"><a href="#nodes_for_predicate-146"><span class="linenos">146</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-147"><a href="#nodes_for_predicate-147"><span class="linenos">147</span></a> <span class="n">where_condition</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">),</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-148"><a href="#nodes_for_predicate-148"><span class="linenos">148</span></a>
|
||||
</span><span id="nodes_for_predicate-149"><a href="#nodes_for_predicate-149"><span class="linenos">149</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">tables</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-150"><a href="#nodes_for_predicate-150"><span class="linenos">150</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">source</span> <span class="o">=</span> <span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-151"><a href="#nodes_for_predicate-151"><span class="linenos">151</span></a>
|
||||
</span><span id="nodes_for_predicate-152"><a href="#nodes_for_predicate-152"><span class="linenos">152</span></a> <span class="c1"># if the predicate is in a where statement we can try to push it down</span>
|
||||
</span><span id="nodes_for_predicate-153"><a href="#nodes_for_predicate-153"><span class="linenos">153</span></a> <span class="c1"># we want to find the root join or from statement</span>
|
||||
</span><span id="nodes_for_predicate-154"><a href="#nodes_for_predicate-154"><span class="linenos">154</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">where_condition</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-155"><a href="#nodes_for_predicate-155"><span class="linenos">155</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-156"><a href="#nodes_for_predicate-156"><span class="linenos">156</span></a>
|
||||
</span><span id="nodes_for_predicate-157"><a href="#nodes_for_predicate-157"><span class="linenos">157</span></a> <span class="c1"># a node can reference a CTE which should be pushed down</span>
|
||||
</span><span id="nodes_for_predicate-158"><a href="#nodes_for_predicate-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-159"><a href="#nodes_for_predicate-159"><span class="linenos">159</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-160"><a href="#nodes_for_predicate-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="n">with_</span> <span class="ow">and</span> <span class="n">with_</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-161"><a href="#nodes_for_predicate-161"><span class="linenos">161</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="nodes_for_predicate-162"><a href="#nodes_for_predicate-162"><span class="linenos">162</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="nodes_for_predicate-156"><a href="#nodes_for_predicate-156"><span class="linenos">156</span></a><span class="k">def</span> <span class="nf">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-157"><a href="#nodes_for_predicate-157"><span class="linenos">157</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="nodes_for_predicate-158"><a href="#nodes_for_predicate-158"><span class="linenos">158</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-159"><a href="#nodes_for_predicate-159"><span class="linenos">159</span></a> <span class="n">where_condition</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">),</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-160"><a href="#nodes_for_predicate-160"><span class="linenos">160</span></a>
|
||||
</span><span id="nodes_for_predicate-161"><a href="#nodes_for_predicate-161"><span class="linenos">161</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">tables</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-162"><a href="#nodes_for_predicate-162"><span class="linenos">162</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">source</span> <span class="o">=</span> <span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-163"><a href="#nodes_for_predicate-163"><span class="linenos">163</span></a>
|
||||
</span><span id="nodes_for_predicate-164"><a href="#nodes_for_predicate-164"><span class="linenos">164</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-165"><a href="#nodes_for_predicate-165"><span class="linenos">165</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="o">!=</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-166"><a href="#nodes_for_predicate-166"><span class="linenos">166</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="nodes_for_predicate-167"><a href="#nodes_for_predicate-167"><span class="linenos">167</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="nodes_for_predicate-168"><a href="#nodes_for_predicate-168"><span class="linenos">168</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">tables</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-169"><a href="#nodes_for_predicate-169"><span class="linenos">169</span></a> <span class="c1"># We can't push down window expressions</span>
|
||||
</span><span id="nodes_for_predicate-170"><a href="#nodes_for_predicate-170"><span class="linenos">170</span></a> <span class="n">has_window_expression</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="nodes_for_predicate-171"><a href="#nodes_for_predicate-171"><span class="linenos">171</span></a> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Window</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-172"><a href="#nodes_for_predicate-172"><span class="linenos">172</span></a> <span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-173"><a href="#nodes_for_predicate-173"><span class="linenos">173</span></a> <span class="c1"># we can't push down predicates to select statements if they are referenced in</span>
|
||||
</span><span id="nodes_for_predicate-174"><a href="#nodes_for_predicate-174"><span class="linenos">174</span></a> <span class="c1"># multiple places.</span>
|
||||
</span><span id="nodes_for_predicate-175"><a href="#nodes_for_predicate-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="nodes_for_predicate-176"><a href="#nodes_for_predicate-176"><span class="linenos">176</span></a> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-177"><a href="#nodes_for_predicate-177"><span class="linenos">177</span></a> <span class="ow">and</span> <span class="n">scope_ref_count</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">source</span><span class="p">)]</span> <span class="o"><</span> <span class="mi">2</span>
|
||||
</span><span id="nodes_for_predicate-178"><a href="#nodes_for_predicate-178"><span class="linenos">178</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">has_window_expression</span>
|
||||
</span><span id="nodes_for_predicate-179"><a href="#nodes_for_predicate-179"><span class="linenos">179</span></a> <span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-180"><a href="#nodes_for_predicate-180"><span class="linenos">180</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="nodes_for_predicate-181"><a href="#nodes_for_predicate-181"><span class="linenos">181</span></a> <span class="k">return</span> <span class="n">nodes</span>
|
||||
</span><span id="nodes_for_predicate-164"><a href="#nodes_for_predicate-164"><span class="linenos">164</span></a> <span class="c1"># if the predicate is in a where statement we can try to push it down</span>
|
||||
</span><span id="nodes_for_predicate-165"><a href="#nodes_for_predicate-165"><span class="linenos">165</span></a> <span class="c1"># we want to find the root join or from statement</span>
|
||||
</span><span id="nodes_for_predicate-166"><a href="#nodes_for_predicate-166"><span class="linenos">166</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">where_condition</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-167"><a href="#nodes_for_predicate-167"><span class="linenos">167</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-168"><a href="#nodes_for_predicate-168"><span class="linenos">168</span></a>
|
||||
</span><span id="nodes_for_predicate-169"><a href="#nodes_for_predicate-169"><span class="linenos">169</span></a> <span class="c1"># a node can reference a CTE which should be pushed down</span>
|
||||
</span><span id="nodes_for_predicate-170"><a href="#nodes_for_predicate-170"><span class="linenos">170</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-171"><a href="#nodes_for_predicate-171"><span class="linenos">171</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-172"><a href="#nodes_for_predicate-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="n">with_</span> <span class="ow">and</span> <span class="n">with_</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-173"><a href="#nodes_for_predicate-173"><span class="linenos">173</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="nodes_for_predicate-174"><a href="#nodes_for_predicate-174"><span class="linenos">174</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="nodes_for_predicate-175"><a href="#nodes_for_predicate-175"><span class="linenos">175</span></a>
|
||||
</span><span id="nodes_for_predicate-176"><a href="#nodes_for_predicate-176"><span class="linenos">176</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-177"><a href="#nodes_for_predicate-177"><span class="linenos">177</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">side</span> <span class="o">!=</span> <span class="s2">"RIGHT"</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-178"><a href="#nodes_for_predicate-178"><span class="linenos">178</span></a> <span class="k">return</span> <span class="p">{}</span>
|
||||
</span><span id="nodes_for_predicate-179"><a href="#nodes_for_predicate-179"><span class="linenos">179</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="nodes_for_predicate-180"><a href="#nodes_for_predicate-180"><span class="linenos">180</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">tables</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="nodes_for_predicate-181"><a href="#nodes_for_predicate-181"><span class="linenos">181</span></a> <span class="c1"># We can't push down window expressions</span>
|
||||
</span><span id="nodes_for_predicate-182"><a href="#nodes_for_predicate-182"><span class="linenos">182</span></a> <span class="n">has_window_expression</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="nodes_for_predicate-183"><a href="#nodes_for_predicate-183"><span class="linenos">183</span></a> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Window</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-184"><a href="#nodes_for_predicate-184"><span class="linenos">184</span></a> <span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-185"><a href="#nodes_for_predicate-185"><span class="linenos">185</span></a> <span class="c1"># we can't push down predicates to select statements if they are referenced in</span>
|
||||
</span><span id="nodes_for_predicate-186"><a href="#nodes_for_predicate-186"><span class="linenos">186</span></a> <span class="c1"># multiple places.</span>
|
||||
</span><span id="nodes_for_predicate-187"><a href="#nodes_for_predicate-187"><span class="linenos">187</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="nodes_for_predicate-188"><a href="#nodes_for_predicate-188"><span class="linenos">188</span></a> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="nodes_for_predicate-189"><a href="#nodes_for_predicate-189"><span class="linenos">189</span></a> <span class="ow">and</span> <span class="n">scope_ref_count</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">source</span><span class="p">)]</span> <span class="o"><</span> <span class="mi">2</span>
|
||||
</span><span id="nodes_for_predicate-190"><a href="#nodes_for_predicate-190"><span class="linenos">190</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">has_window_expression</span>
|
||||
</span><span id="nodes_for_predicate-191"><a href="#nodes_for_predicate-191"><span class="linenos">191</span></a> <span class="p">):</span>
|
||||
</span><span id="nodes_for_predicate-192"><a href="#nodes_for_predicate-192"><span class="linenos">192</span></a> <span class="n">nodes</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
|
||||
</span><span id="nodes_for_predicate-193"><a href="#nodes_for_predicate-193"><span class="linenos">193</span></a> <span class="k">return</span> <span class="n">nodes</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -566,21 +590,21 @@ Additionally, we can't remove predicates from their original form.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#replace_aliases"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="replace_aliases-184"><a href="#replace_aliases-184"><span class="linenos">184</span></a><span class="k">def</span> <span class="nf">replace_aliases</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">predicate</span><span class="p">):</span>
|
||||
</span><span id="replace_aliases-185"><a href="#replace_aliases-185"><span class="linenos">185</span></a> <span class="n">aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="replace_aliases-186"><a href="#replace_aliases-186"><span class="linenos">186</span></a>
|
||||
</span><span id="replace_aliases-187"><a href="#replace_aliases-187"><span class="linenos">187</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="replace_aliases-188"><a href="#replace_aliases-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
|
||||
</span><span id="replace_aliases-189"><a href="#replace_aliases-189"><span class="linenos">189</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="replace_aliases-190"><a href="#replace_aliases-190"><span class="linenos">190</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="replace_aliases-191"><a href="#replace_aliases-191"><span class="linenos">191</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span>
|
||||
</span><span id="replace_aliases-192"><a href="#replace_aliases-192"><span class="linenos">192</span></a>
|
||||
</span><span id="replace_aliases-193"><a href="#replace_aliases-193"><span class="linenos">193</span></a> <span class="k">def</span> <span class="nf">_replace_alias</span><span class="p">(</span><span class="n">column</span><span class="p">):</span>
|
||||
</span><span id="replace_aliases-194"><a href="#replace_aliases-194"><span class="linenos">194</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">aliases</span><span class="p">:</span>
|
||||
</span><span id="replace_aliases-195"><a href="#replace_aliases-195"><span class="linenos">195</span></a> <span class="k">return</span> <span class="n">aliases</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="replace_aliases-196"><a href="#replace_aliases-196"><span class="linenos">196</span></a> <span class="k">return</span> <span class="n">column</span>
|
||||
</span><span id="replace_aliases-197"><a href="#replace_aliases-197"><span class="linenos">197</span></a>
|
||||
</span><span id="replace_aliases-198"><a href="#replace_aliases-198"><span class="linenos">198</span></a> <span class="k">return</span> <span class="n">predicate</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">_replace_alias</span><span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="replace_aliases-196"><a href="#replace_aliases-196"><span class="linenos">196</span></a><span class="k">def</span> <span class="nf">replace_aliases</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">predicate</span><span class="p">):</span>
|
||||
</span><span id="replace_aliases-197"><a href="#replace_aliases-197"><span class="linenos">197</span></a> <span class="n">aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="replace_aliases-198"><a href="#replace_aliases-198"><span class="linenos">198</span></a>
|
||||
</span><span id="replace_aliases-199"><a href="#replace_aliases-199"><span class="linenos">199</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="replace_aliases-200"><a href="#replace_aliases-200"><span class="linenos">200</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
|
||||
</span><span id="replace_aliases-201"><a href="#replace_aliases-201"><span class="linenos">201</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="replace_aliases-202"><a href="#replace_aliases-202"><span class="linenos">202</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="replace_aliases-203"><a href="#replace_aliases-203"><span class="linenos">203</span></a> <span class="n">aliases</span><span class="p">[</span><span class="n">select</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">select</span>
|
||||
</span><span id="replace_aliases-204"><a href="#replace_aliases-204"><span class="linenos">204</span></a>
|
||||
</span><span id="replace_aliases-205"><a href="#replace_aliases-205"><span class="linenos">205</span></a> <span class="k">def</span> <span class="nf">_replace_alias</span><span class="p">(</span><span class="n">column</span><span class="p">):</span>
|
||||
</span><span id="replace_aliases-206"><a href="#replace_aliases-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">aliases</span><span class="p">:</span>
|
||||
</span><span id="replace_aliases-207"><a href="#replace_aliases-207"><span class="linenos">207</span></a> <span class="k">return</span> <span class="n">aliases</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
|
||||
</span><span id="replace_aliases-208"><a href="#replace_aliases-208"><span class="linenos">208</span></a> <span class="k">return</span> <span class="n">column</span>
|
||||
</span><span id="replace_aliases-209"><a href="#replace_aliases-209"><span class="linenos">209</span></a>
|
||||
</span><span id="replace_aliases-210"><a href="#replace_aliases-210"><span class="linenos">210</span></a> <span class="k">return</span> <span class="n">predicate</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">_replace_alias</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
||||
<title>sqlglot.optimizer.pushdown_projections API documentation</title>
|
||||
|
||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
|
|
@ -107,99 +107,98 @@
|
|||
</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="n">parent_selections</span> <span class="o">=</span> <span class="n">referenced_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">})</span>
|
||||
</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">alias_count</span> <span class="o">=</span> <span class="n">source_column_alias_count</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a>
|
||||
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">parent</span> <span class="ow">and</span> <span class="n">scope</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">pivots</span><span class="p">):</span>
|
||||
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="c1"># We can't remove columns SELECT DISTINCT nor UNION DISTINCT. The same holds if</span>
|
||||
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="c1"># we select from a pivoted source in the parent scope.</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">parent_selections</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">left</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">union_scopes</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">left</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="p">]</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="c1"># We can't remove columns SELECT DISTINCT nor UNION DISTINCT.</span>
|
||||
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span>
|
||||
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="n">parent_selections</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="n">left</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">union_scopes</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">left</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="p">]</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="k">else</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a><span class="k">def</span> <span class="nf">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">):</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="c1"># Assume columns without a qualified table are references to output columns</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="p">{</span><span class="n">c</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="n">order</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">c</span><span class="o">.</span><span class="n">table</span><span class="p">}</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">select_all</span> <span class="o">=</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">for</span> <span class="n">selection</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">selection</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="n">select_all</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">order_refs</span> <span class="ow">or</span> <span class="n">alias_count</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">selection</span><span class="p">)</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">alias_count</span> <span class="o">-=</span> <span class="mi">1</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="k">if</span> <span class="n">selection</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">is_agg</span> <span class="ow">and</span> <span class="n">selection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">star</span><span class="p">:</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">resolver</span> <span class="o">=</span> <span class="n">Resolver</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">new_selections</span><span class="p">}</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">parent_selections</span><span class="p">):</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">names</span><span class="p">:</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">name</span><span class="p">)),</span> <span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="p">)</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="c1"># If there are no remaining selections, just select a single constant</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">new_selections</span><span class="p">:</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">DEFAULT_SELECTION</span><span class="p">(</span><span class="n">is_agg</span><span class="p">))</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">new_selections</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="n">removed</span><span class="p">:</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a><span class="k">def</span> <span class="nf">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">):</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="c1"># Assume columns without a qualified table are references to output columns</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="p">{</span><span class="n">c</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="n">order</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">c</span><span class="o">.</span><span class="n">table</span><span class="p">}</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">select_all</span> <span class="o">=</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">for</span> <span class="n">selection</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">selection</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="n">select_all</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">order_refs</span> <span class="ow">or</span> <span class="n">alias_count</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">selection</span><span class="p">)</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">alias_count</span> <span class="o">-=</span> <span class="mi">1</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="n">selection</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">is_agg</span> <span class="ow">and</span> <span class="n">selection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="n">star</span><span class="p">:</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">resolver</span> <span class="o">=</span> <span class="n">Resolver</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">new_selections</span><span class="p">}</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">parent_selections</span><span class="p">):</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">names</span><span class="p">:</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">name</span><span class="p">)),</span> <span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="p">)</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="c1"># If there are no remaining selections, just select a single constant</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">new_selections</span><span class="p">:</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">DEFAULT_SELECTION</span><span class="p">(</span><span class="n">is_agg</span><span class="p">))</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">new_selections</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">removed</span><span class="p">:</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -276,49 +275,48 @@
|
|||
</span><span id="pushdown_projections-44"><a href="#pushdown_projections-44"><span class="linenos">44</span></a> <span class="n">parent_selections</span> <span class="o">=</span> <span class="n">referenced_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">})</span>
|
||||
</span><span id="pushdown_projections-45"><a href="#pushdown_projections-45"><span class="linenos">45</span></a> <span class="n">alias_count</span> <span class="o">=</span> <span class="n">source_column_alias_count</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-46"><a href="#pushdown_projections-46"><span class="linenos">46</span></a>
|
||||
</span><span id="pushdown_projections-47"><a href="#pushdown_projections-47"><span class="linenos">47</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">parent</span> <span class="ow">and</span> <span class="n">scope</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">pivots</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-48"><a href="#pushdown_projections-48"><span class="linenos">48</span></a> <span class="c1"># We can't remove columns SELECT DISTINCT nor UNION DISTINCT. The same holds if</span>
|
||||
</span><span id="pushdown_projections-49"><a href="#pushdown_projections-49"><span class="linenos">49</span></a> <span class="c1"># we select from a pivoted source in the parent scope.</span>
|
||||
</span><span id="pushdown_projections-50"><a href="#pushdown_projections-50"><span class="linenos">50</span></a> <span class="n">parent_selections</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span>
|
||||
</span><span id="pushdown_projections-51"><a href="#pushdown_projections-51"><span class="linenos">51</span></a>
|
||||
</span><span id="pushdown_projections-52"><a href="#pushdown_projections-52"><span class="linenos">52</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-53"><a href="#pushdown_projections-53"><span class="linenos">53</span></a> <span class="n">left</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">union_scopes</span>
|
||||
</span><span id="pushdown_projections-54"><a href="#pushdown_projections-54"><span class="linenos">54</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">left</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-55"><a href="#pushdown_projections-55"><span class="linenos">55</span></a>
|
||||
</span><span id="pushdown_projections-56"><a href="#pushdown_projections-56"><span class="linenos">56</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-57"><a href="#pushdown_projections-57"><span class="linenos">57</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-58"><a href="#pushdown_projections-58"><span class="linenos">58</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-59"><a href="#pushdown_projections-59"><span class="linenos">59</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="pushdown_projections-60"><a href="#pushdown_projections-60"><span class="linenos">60</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_projections-61"><a href="#pushdown_projections-61"><span class="linenos">61</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-62"><a href="#pushdown_projections-62"><span class="linenos">62</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-63"><a href="#pushdown_projections-63"><span class="linenos">63</span></a> <span class="p">]</span>
|
||||
</span><span id="pushdown_projections-64"><a href="#pushdown_projections-64"><span class="linenos">64</span></a>
|
||||
</span><span id="pushdown_projections-65"><a href="#pushdown_projections-65"><span class="linenos">65</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-66"><a href="#pushdown_projections-66"><span class="linenos">66</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-67"><a href="#pushdown_projections-67"><span class="linenos">67</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-68"><a href="#pushdown_projections-68"><span class="linenos">68</span></a>
|
||||
</span><span id="pushdown_projections-69"><a href="#pushdown_projections-69"><span class="linenos">69</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-70"><a href="#pushdown_projections-70"><span class="linenos">70</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_projections-71"><a href="#pushdown_projections-71"><span class="linenos">71</span></a>
|
||||
</span><span id="pushdown_projections-72"><a href="#pushdown_projections-72"><span class="linenos">72</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="pushdown_projections-73"><a href="#pushdown_projections-73"><span class="linenos">73</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-74"><a href="#pushdown_projections-74"><span class="linenos">74</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-75"><a href="#pushdown_projections-75"><span class="linenos">75</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="pushdown_projections-76"><a href="#pushdown_projections-76"><span class="linenos">76</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="pushdown_projections-77"><a href="#pushdown_projections-77"><span class="linenos">77</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-78"><a href="#pushdown_projections-78"><span class="linenos">78</span></a>
|
||||
</span><span id="pushdown_projections-79"><a href="#pushdown_projections-79"><span class="linenos">79</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="pushdown_projections-80"><a href="#pushdown_projections-80"><span class="linenos">80</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_projections-81"><a href="#pushdown_projections-81"><span class="linenos">81</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-82"><a href="#pushdown_projections-82"><span class="linenos">82</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="pushdown_projections-83"><a href="#pushdown_projections-83"><span class="linenos">83</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-84"><a href="#pushdown_projections-84"><span class="linenos">84</span></a>
|
||||
</span><span id="pushdown_projections-85"><a href="#pushdown_projections-85"><span class="linenos">85</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="pushdown_projections-86"><a href="#pushdown_projections-86"><span class="linenos">86</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-87"><a href="#pushdown_projections-87"><span class="linenos">87</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-88"><a href="#pushdown_projections-88"><span class="linenos">88</span></a>
|
||||
</span><span id="pushdown_projections-89"><a href="#pushdown_projections-89"><span class="linenos">89</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="pushdown_projections-47"><a href="#pushdown_projections-47"><span class="linenos">47</span></a> <span class="c1"># We can't remove columns SELECT DISTINCT nor UNION DISTINCT.</span>
|
||||
</span><span id="pushdown_projections-48"><a href="#pushdown_projections-48"><span class="linenos">48</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-49"><a href="#pushdown_projections-49"><span class="linenos">49</span></a> <span class="n">parent_selections</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span>
|
||||
</span><span id="pushdown_projections-50"><a href="#pushdown_projections-50"><span class="linenos">50</span></a>
|
||||
</span><span id="pushdown_projections-51"><a href="#pushdown_projections-51"><span class="linenos">51</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-52"><a href="#pushdown_projections-52"><span class="linenos">52</span></a> <span class="n">left</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">union_scopes</span>
|
||||
</span><span id="pushdown_projections-53"><a href="#pushdown_projections-53"><span class="linenos">53</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">left</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-54"><a href="#pushdown_projections-54"><span class="linenos">54</span></a>
|
||||
</span><span id="pushdown_projections-55"><a href="#pushdown_projections-55"><span class="linenos">55</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-56"><a href="#pushdown_projections-56"><span class="linenos">56</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-57"><a href="#pushdown_projections-57"><span class="linenos">57</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-58"><a href="#pushdown_projections-58"><span class="linenos">58</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="pushdown_projections-59"><a href="#pushdown_projections-59"><span class="linenos">59</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_projections-60"><a href="#pushdown_projections-60"><span class="linenos">60</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-61"><a href="#pushdown_projections-61"><span class="linenos">61</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-62"><a href="#pushdown_projections-62"><span class="linenos">62</span></a> <span class="p">]</span>
|
||||
</span><span id="pushdown_projections-63"><a href="#pushdown_projections-63"><span class="linenos">63</span></a>
|
||||
</span><span id="pushdown_projections-64"><a href="#pushdown_projections-64"><span class="linenos">64</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-65"><a href="#pushdown_projections-65"><span class="linenos">65</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-66"><a href="#pushdown_projections-66"><span class="linenos">66</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-67"><a href="#pushdown_projections-67"><span class="linenos">67</span></a>
|
||||
</span><span id="pushdown_projections-68"><a href="#pushdown_projections-68"><span class="linenos">68</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-69"><a href="#pushdown_projections-69"><span class="linenos">69</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_projections-70"><a href="#pushdown_projections-70"><span class="linenos">70</span></a>
|
||||
</span><span id="pushdown_projections-71"><a href="#pushdown_projections-71"><span class="linenos">71</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="pushdown_projections-72"><a href="#pushdown_projections-72"><span class="linenos">72</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-73"><a href="#pushdown_projections-73"><span class="linenos">73</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-74"><a href="#pushdown_projections-74"><span class="linenos">74</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="pushdown_projections-75"><a href="#pushdown_projections-75"><span class="linenos">75</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="pushdown_projections-76"><a href="#pushdown_projections-76"><span class="linenos">76</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-77"><a href="#pushdown_projections-77"><span class="linenos">77</span></a>
|
||||
</span><span id="pushdown_projections-78"><a href="#pushdown_projections-78"><span class="linenos">78</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="pushdown_projections-79"><a href="#pushdown_projections-79"><span class="linenos">79</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_projections-80"><a href="#pushdown_projections-80"><span class="linenos">80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-81"><a href="#pushdown_projections-81"><span class="linenos">81</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="k">else</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="pushdown_projections-82"><a href="#pushdown_projections-82"><span class="linenos">82</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-83"><a href="#pushdown_projections-83"><span class="linenos">83</span></a>
|
||||
</span><span id="pushdown_projections-84"><a href="#pushdown_projections-84"><span class="linenos">84</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="pushdown_projections-85"><a href="#pushdown_projections-85"><span class="linenos">85</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-86"><a href="#pushdown_projections-86"><span class="linenos">86</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-87"><a href="#pushdown_projections-87"><span class="linenos">87</span></a>
|
||||
</span><span id="pushdown_projections-88"><a href="#pushdown_projections-88"><span class="linenos">88</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
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<title>sqlglot.optimizer.qualify API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<title>sqlglot.optimizer.qualify_tables API documentation</title>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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||||
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|
@ -104,65 +104,86 @@
|
|||
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="n">db</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">parse_identifier</span><span class="p">(</span><span class="n">db</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> <span class="k">if</span> <span class="n">db</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="n">catalog</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">parse_identifier</span><span class="p">(</span><span class="n">catalog</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> <span class="k">if</span> <span class="n">catalog</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="k">for</span> <span class="n">derived_table</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">ctes</span><span class="p">,</span> <span class="n">scope</span><span class="o">.</span><span class="n">derived_tables</span><span class="p">):</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">derived_table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">unnested</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unnested</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">unnested</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">unnested</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">):</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">alias_</span><span class="p">)))</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">rename_source</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())))</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"db"</span><span class="p">,</span> <span class="n">db</span><span class="p">)</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">,</span> <span class="n">catalog</span><span class="p">)</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">def</span> <span class="nf">_qualify</span><span class="p">(</span><span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"db"</span><span class="p">,</span> <span class="n">db</span><span class="p">)</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">)</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">,</span> <span class="n">catalog</span><span class="p">)</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Unionable</span><span class="p">)):</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">for</span> <span class="n">derived_table</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">ctes</span><span class="p">,</span> <span class="n">scope</span><span class="o">.</span><span class="n">derived_tables</span><span class="p">):</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">derived_table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">unnested</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unnested</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">unnested</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">unnested</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">):</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">alias_</span><span class="p">)))</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">rename_source</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="c1"># Mutates the source by attaching an alias to it</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">next_alias_name</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())))</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="p">)</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">header</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">add_table</span><span class="p">(</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">source</span><span class="p">,</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="nb">type</span><span class="p">(</span><span class="n">v</span><span class="p">)</span><span class="o">.</span><span class="vm">__name__</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">header</span><span class="p">,</span> <span class="n">columns</span><span class="p">)},</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">match_depth</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="p">)</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">is_udtf</span><span class="p">:</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">udtf</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="p">)</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">udtf</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">name</span><span class="p">:</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">udtf</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">udtf</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">))</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">pivots</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="c1"># Don't add the pivot's alias to the pivoted table, use the table's name instead</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span> <span class="o">==</span> <span class="n">name</span><span class="p">:</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="c1"># Mutates the source by attaching an alias to it</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">next_alias_name</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">header</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">add_table</span><span class="p">(</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">source</span><span class="p">,</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="nb">type</span><span class="p">(</span><span class="n">v</span><span class="p">)</span><span class="o">.</span><span class="vm">__name__</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">header</span><span class="p">,</span> <span class="n">columns</span><span class="p">)},</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">match_depth</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="p">)</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">is_udtf</span><span class="p">:</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">udtf</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="p">)</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">udtf</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">name</span><span class="p">:</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">udtf</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">udtf</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">))</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="p">):</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -213,65 +234,86 @@
|
|||
</span><span id="qualify_tables-47"><a href="#qualify_tables-47"><span class="linenos"> 47</span></a> <span class="n">db</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">parse_identifier</span><span class="p">(</span><span class="n">db</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> <span class="k">if</span> <span class="n">db</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="qualify_tables-48"><a href="#qualify_tables-48"><span class="linenos"> 48</span></a> <span class="n">catalog</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">parse_identifier</span><span class="p">(</span><span class="n">catalog</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> <span class="k">if</span> <span class="n">catalog</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="qualify_tables-49"><a href="#qualify_tables-49"><span class="linenos"> 49</span></a>
|
||||
</span><span id="qualify_tables-50"><a href="#qualify_tables-50"><span class="linenos"> 50</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-51"><a href="#qualify_tables-51"><span class="linenos"> 51</span></a> <span class="k">for</span> <span class="n">derived_table</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">ctes</span><span class="p">,</span> <span class="n">scope</span><span class="o">.</span><span class="n">derived_tables</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-52"><a href="#qualify_tables-52"><span class="linenos"> 52</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">derived_table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-53"><a href="#qualify_tables-53"><span class="linenos"> 53</span></a> <span class="n">unnested</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span>
|
||||
</span><span id="qualify_tables-54"><a href="#qualify_tables-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unnested</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-55"><a href="#qualify_tables-55"><span class="linenos"> 55</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">unnested</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-56"><a href="#qualify_tables-56"><span class="linenos"> 56</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">unnested</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-57"><a href="#qualify_tables-57"><span class="linenos"> 57</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-58"><a href="#qualify_tables-58"><span class="linenos"> 58</span></a>
|
||||
</span><span id="qualify_tables-59"><a href="#qualify_tables-59"><span class="linenos"> 59</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-60"><a href="#qualify_tables-60"><span class="linenos"> 60</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="qualify_tables-61"><a href="#qualify_tables-61"><span class="linenos"> 61</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">alias_</span><span class="p">)))</span>
|
||||
</span><span id="qualify_tables-62"><a href="#qualify_tables-62"><span class="linenos"> 62</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">rename_source</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-63"><a href="#qualify_tables-63"><span class="linenos"> 63</span></a>
|
||||
</span><span id="qualify_tables-64"><a href="#qualify_tables-64"><span class="linenos"> 64</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-65"><a href="#qualify_tables-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-66"><a href="#qualify_tables-66"><span class="linenos"> 66</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())))</span>
|
||||
</span><span id="qualify_tables-67"><a href="#qualify_tables-67"><span class="linenos"> 67</span></a>
|
||||
</span><span id="qualify_tables-68"><a href="#qualify_tables-68"><span class="linenos"> 68</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="qualify_tables-69"><a href="#qualify_tables-69"><span class="linenos"> 69</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-70"><a href="#qualify_tables-70"><span class="linenos"> 70</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-71"><a href="#qualify_tables-71"><span class="linenos"> 71</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-72"><a href="#qualify_tables-72"><span class="linenos"> 72</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"db"</span><span class="p">,</span> <span class="n">db</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-73"><a href="#qualify_tables-73"><span class="linenos"> 73</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-74"><a href="#qualify_tables-74"><span class="linenos"> 74</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">,</span> <span class="n">catalog</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-50"><a href="#qualify_tables-50"><span class="linenos"> 50</span></a> <span class="k">def</span> <span class="nf">_qualify</span><span class="p">(</span><span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-51"><a href="#qualify_tables-51"><span class="linenos"> 51</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-52"><a href="#qualify_tables-52"><span class="linenos"> 52</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-53"><a href="#qualify_tables-53"><span class="linenos"> 53</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"db"</span><span class="p">,</span> <span class="n">db</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-54"><a href="#qualify_tables-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">)</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"db"</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-55"><a href="#qualify_tables-55"><span class="linenos"> 55</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">,</span> <span class="n">catalog</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-56"><a href="#qualify_tables-56"><span class="linenos"> 56</span></a>
|
||||
</span><span id="qualify_tables-57"><a href="#qualify_tables-57"><span class="linenos"> 57</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-58"><a href="#qualify_tables-58"><span class="linenos"> 58</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Unionable</span><span class="p">)):</span>
|
||||
</span><span id="qualify_tables-59"><a href="#qualify_tables-59"><span class="linenos"> 59</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-60"><a href="#qualify_tables-60"><span class="linenos"> 60</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-61"><a href="#qualify_tables-61"><span class="linenos"> 61</span></a>
|
||||
</span><span id="qualify_tables-62"><a href="#qualify_tables-62"><span class="linenos"> 62</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-63"><a href="#qualify_tables-63"><span class="linenos"> 63</span></a> <span class="k">for</span> <span class="n">derived_table</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">ctes</span><span class="p">,</span> <span class="n">scope</span><span class="o">.</span><span class="n">derived_tables</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-64"><a href="#qualify_tables-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">derived_table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-65"><a href="#qualify_tables-65"><span class="linenos"> 65</span></a> <span class="n">unnested</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span>
|
||||
</span><span id="qualify_tables-66"><a href="#qualify_tables-66"><span class="linenos"> 66</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unnested</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-67"><a href="#qualify_tables-67"><span class="linenos"> 67</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">unnested</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-68"><a href="#qualify_tables-68"><span class="linenos"> 68</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">unnested</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-69"><a href="#qualify_tables-69"><span class="linenos"> 69</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-70"><a href="#qualify_tables-70"><span class="linenos"> 70</span></a>
|
||||
</span><span id="qualify_tables-71"><a href="#qualify_tables-71"><span class="linenos"> 71</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-72"><a href="#qualify_tables-72"><span class="linenos"> 72</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="qualify_tables-73"><a href="#qualify_tables-73"><span class="linenos"> 73</span></a> <span class="n">derived_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">alias_</span><span class="p">)))</span>
|
||||
</span><span id="qualify_tables-74"><a href="#qualify_tables-74"><span class="linenos"> 74</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">rename_source</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-75"><a href="#qualify_tables-75"><span class="linenos"> 75</span></a>
|
||||
</span><span id="qualify_tables-76"><a href="#qualify_tables-76"><span class="linenos"> 76</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-77"><a href="#qualify_tables-77"><span class="linenos"> 77</span></a> <span class="c1"># Mutates the source by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-78"><a href="#qualify_tables-78"><span class="linenos"> 78</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">next_alias_name</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-76"><a href="#qualify_tables-76"><span class="linenos"> 76</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">derived_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-77"><a href="#qualify_tables-77"><span class="linenos"> 77</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-78"><a href="#qualify_tables-78"><span class="linenos"> 78</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())))</span>
|
||||
</span><span id="qualify_tables-79"><a href="#qualify_tables-79"><span class="linenos"> 79</span></a>
|
||||
</span><span id="qualify_tables-80"><a href="#qualify_tables-80"><span class="linenos"> 80</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-81"><a href="#qualify_tables-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-82"><a href="#qualify_tables-82"><span class="linenos"> 82</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
||||
</span><span id="qualify_tables-83"><a href="#qualify_tables-83"><span class="linenos"> 83</span></a> <span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="qualify_tables-84"><a href="#qualify_tables-84"><span class="linenos"> 84</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-85"><a href="#qualify_tables-85"><span class="linenos"> 85</span></a>
|
||||
</span><span id="qualify_tables-86"><a href="#qualify_tables-86"><span class="linenos"> 86</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-87"><a href="#qualify_tables-87"><span class="linenos"> 87</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-88"><a href="#qualify_tables-88"><span class="linenos"> 88</span></a> <span class="n">header</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-89"><a href="#qualify_tables-89"><span class="linenos"> 89</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-90"><a href="#qualify_tables-90"><span class="linenos"> 90</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">add_table</span><span class="p">(</span>
|
||||
</span><span id="qualify_tables-91"><a href="#qualify_tables-91"><span class="linenos"> 91</span></a> <span class="n">source</span><span class="p">,</span>
|
||||
</span><span id="qualify_tables-92"><a href="#qualify_tables-92"><span class="linenos"> 92</span></a> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="nb">type</span><span class="p">(</span><span class="n">v</span><span class="p">)</span><span class="o">.</span><span class="vm">__name__</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">header</span><span class="p">,</span> <span class="n">columns</span><span class="p">)},</span>
|
||||
</span><span id="qualify_tables-93"><a href="#qualify_tables-93"><span class="linenos"> 93</span></a> <span class="n">match_depth</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="qualify_tables-94"><a href="#qualify_tables-94"><span class="linenos"> 94</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-95"><a href="#qualify_tables-95"><span class="linenos"> 95</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">is_udtf</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-96"><a href="#qualify_tables-96"><span class="linenos"> 96</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="qualify_tables-97"><a href="#qualify_tables-97"><span class="linenos"> 97</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">udtf</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span>
|
||||
</span><span id="qualify_tables-98"><a href="#qualify_tables-98"><span class="linenos"> 98</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())</span>
|
||||
</span><span id="qualify_tables-99"><a href="#qualify_tables-99"><span class="linenos"> 99</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-100"><a href="#qualify_tables-100"><span class="linenos">100</span></a> <span class="n">udtf</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-101"><a href="#qualify_tables-101"><span class="linenos">101</span></a>
|
||||
</span><span id="qualify_tables-102"><a href="#qualify_tables-102"><span class="linenos">102</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">name</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-103"><a href="#qualify_tables-103"><span class="linenos">103</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="qualify_tables-104"><a href="#qualify_tables-104"><span class="linenos">104</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">udtf</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-105"><a href="#qualify_tables-105"><span class="linenos">105</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">udtf</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-106"><a href="#qualify_tables-106"><span class="linenos">106</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-107"><a href="#qualify_tables-107"><span class="linenos">107</span></a>
|
||||
</span><span id="qualify_tables-108"><a href="#qualify_tables-108"><span class="linenos">108</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="qualify_tables-80"><a href="#qualify_tables-80"><span class="linenos"> 80</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="qualify_tables-81"><a href="#qualify_tables-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-82"><a href="#qualify_tables-82"><span class="linenos"> 82</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-83"><a href="#qualify_tables-83"><span class="linenos"> 83</span></a>
|
||||
</span><span id="qualify_tables-84"><a href="#qualify_tables-84"><span class="linenos"> 84</span></a> <span class="n">pivots</span> <span class="o">=</span> <span class="n">pivots</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-85"><a href="#qualify_tables-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-86"><a href="#qualify_tables-86"><span class="linenos"> 86</span></a> <span class="c1"># Don't add the pivot's alias to the pivoted table, use the table's name instead</span>
|
||||
</span><span id="qualify_tables-87"><a href="#qualify_tables-87"><span class="linenos"> 87</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span> <span class="o">==</span> <span class="n">name</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-88"><a href="#qualify_tables-88"><span class="linenos"> 88</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="qualify_tables-89"><a href="#qualify_tables-89"><span class="linenos"> 89</span></a>
|
||||
</span><span id="qualify_tables-90"><a href="#qualify_tables-90"><span class="linenos"> 90</span></a> <span class="c1"># Mutates the source by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-91"><a href="#qualify_tables-91"><span class="linenos"> 91</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">next_alias_name</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-92"><a href="#qualify_tables-92"><span class="linenos"> 92</span></a>
|
||||
</span><span id="qualify_tables-93"><a href="#qualify_tables-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-94"><a href="#qualify_tables-94"><span class="linenos"> 94</span></a> <span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
|
||||
</span><span id="qualify_tables-95"><a href="#qualify_tables-95"><span class="linenos"> 95</span></a> <span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="qualify_tables-96"><a href="#qualify_tables-96"><span class="linenos"> 96</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-97"><a href="#qualify_tables-97"><span class="linenos"> 97</span></a>
|
||||
</span><span id="qualify_tables-98"><a href="#qualify_tables-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-99"><a href="#qualify_tables-99"><span class="linenos"> 99</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-100"><a href="#qualify_tables-100"><span class="linenos">100</span></a> <span class="n">header</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-101"><a href="#qualify_tables-101"><span class="linenos">101</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-102"><a href="#qualify_tables-102"><span class="linenos">102</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">add_table</span><span class="p">(</span>
|
||||
</span><span id="qualify_tables-103"><a href="#qualify_tables-103"><span class="linenos">103</span></a> <span class="n">source</span><span class="p">,</span>
|
||||
</span><span id="qualify_tables-104"><a href="#qualify_tables-104"><span class="linenos">104</span></a> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="nb">type</span><span class="p">(</span><span class="n">v</span><span class="p">)</span><span class="o">.</span><span class="vm">__name__</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">header</span><span class="p">,</span> <span class="n">columns</span><span class="p">)},</span>
|
||||
</span><span id="qualify_tables-105"><a href="#qualify_tables-105"><span class="linenos">105</span></a> <span class="n">match_depth</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="qualify_tables-106"><a href="#qualify_tables-106"><span class="linenos">106</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-107"><a href="#qualify_tables-107"><span class="linenos">107</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">is_udtf</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-108"><a href="#qualify_tables-108"><span class="linenos">108</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="qualify_tables-109"><a href="#qualify_tables-109"><span class="linenos">109</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">udtf</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span>
|
||||
</span><span id="qualify_tables-110"><a href="#qualify_tables-110"><span class="linenos">110</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">())</span>
|
||||
</span><span id="qualify_tables-111"><a href="#qualify_tables-111"><span class="linenos">111</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-112"><a href="#qualify_tables-112"><span class="linenos">112</span></a> <span class="n">udtf</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-113"><a href="#qualify_tables-113"><span class="linenos">113</span></a>
|
||||
</span><span id="qualify_tables-114"><a href="#qualify_tables-114"><span class="linenos">114</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">name</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-115"><a href="#qualify_tables-115"><span class="linenos">115</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="qualify_tables-116"><a href="#qualify_tables-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">udtf</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">table_alias</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-117"><a href="#qualify_tables-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">udtf</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-118"><a href="#qualify_tables-118"><span class="linenos">118</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-119"><a href="#qualify_tables-119"><span class="linenos">119</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-120"><a href="#qualify_tables-120"><span class="linenos">120</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
|
||||
</span><span id="qualify_tables-121"><a href="#qualify_tables-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="qualify_tables-122"><a href="#qualify_tables-122"><span class="linenos">122</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-123"><a href="#qualify_tables-123"><span class="linenos">123</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="qualify_tables-124"><a href="#qualify_tables-124"><span class="linenos">124</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-125"><a href="#qualify_tables-125"><span class="linenos">125</span></a> <span class="p">):</span>
|
||||
</span><span id="qualify_tables-126"><a href="#qualify_tables-126"><span class="linenos">126</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-127"><a href="#qualify_tables-127"><span class="linenos">127</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-128"><a href="#qualify_tables-128"><span class="linenos">128</span></a>
|
||||
</span><span id="qualify_tables-129"><a href="#qualify_tables-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
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|
|
@ -3,7 +3,7 @@
|
|||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
||||
<title>sqlglot.optimizer.simplify API documentation</title>
|
||||
|
||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
|
|
@ -2540,7 +2540,7 @@ prefix are statically known.</p>
|
|||
<div class="attr variable">
|
||||
<span class="name">DATETRUNC_COMPARISONS</span> =
|
||||
<input id="DATETRUNC_COMPARISONS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<label class="view-value-button pdoc-button" for="DATETRUNC_COMPARISONS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#GTE">sqlglot.expressions.GTE</a>'>, <class '<a href="../expressions.html#EQ">sqlglot.expressions.EQ</a>'>, <class '<a href="../expressions.html#LTE">sqlglot.expressions.LTE</a>'>, <class '<a href="../expressions.html#GT">sqlglot.expressions.GT</a>'>, <class '<a href="../expressions.html#LT">sqlglot.expressions.LT</a>'>, <class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>, <class '<a href="../expressions.html#NEQ">sqlglot.expressions.NEQ</a>'>}</span>
|
||||
<label class="view-value-button pdoc-button" for="DATETRUNC_COMPARISONS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#LT">sqlglot.expressions.LT</a>'>, <class '<a href="../expressions.html#EQ">sqlglot.expressions.EQ</a>'>, <class '<a href="../expressions.html#GTE">sqlglot.expressions.GTE</a>'>, <class '<a href="../expressions.html#NEQ">sqlglot.expressions.NEQ</a>'>, <class '<a href="../expressions.html#LTE">sqlglot.expressions.LTE</a>'>, <class '<a href="../expressions.html#GT">sqlglot.expressions.GT</a>'>, <class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>}</span>
|
||||
|
||||
|
||||
</div>
|
||||
|
|
@ -2620,7 +2620,7 @@ prefix are statically known.</p>
|
|||
<section id="JOINS">
|
||||
<div class="attr variable">
|
||||
<span class="name">JOINS</span> =
|
||||
<span class="default_value">{('', ''), ('', 'INNER'), ('RIGHT', 'OUTER'), ('RIGHT', '')}</span>
|
||||
<span class="default_value">{('RIGHT', ''), ('', 'INNER'), ('RIGHT', 'OUTER'), ('', '')}</span>
|
||||
|
||||
|
||||
</div>
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
||||
<title>sqlglot.optimizer.unnest_subqueries API documentation</title>
|
||||
|
||||
<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
|
||||
|
|
@ -114,228 +114,235 @@
|
|||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="p">):</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="k">return</span>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">)):</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">clause</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">clause_parent_select</span> <span class="o">=</span> <span class="n">clause</span><span class="o">.</span><span class="n">parent_select</span> <span class="k">if</span> <span class="n">clause</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)</span> <span class="ow">and</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="n">parent_select</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="p">)</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="p">):</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">return</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="k">return</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">return</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">predicate</span><span class="o">.</span><span class="n">parent_select</span><span class="p">:</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">return</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s1"> = "</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s1">"."</span><span class="si">{</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="si">}</span><span class="s1">"'</span><span class="p">)</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">on</span><span class="o">.</span><span class="n">right</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">on</span><span class="o">=</span><span class="n">on</span><span class="p">,</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="p">)</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">return</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="n">clause</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">)):</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">clause_parent_select</span> <span class="o">=</span> <span class="n">clause</span><span class="o">.</span><span class="n">parent_select</span> <span class="k">if</span> <span class="n">clause</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)</span> <span class="ow">and</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="n">parent_select</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="p">)</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="p">):</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="k">return</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">return</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="k">return</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">predicate</span><span class="o">.</span><span class="n">parent_select</span><span class="p">:</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">return</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">join_key_not_null</span> <span class="o">=</span> <span class="n">join_key</span><span class="o">.</span><span class="n">is_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">())</span><span class="o">.</span><span class="n">not_</span><span class="p">()</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">join_key_not_null</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">join_key_not_null</span><span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">on</span><span class="o">=</span><span class="n">column</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">join_key</span><span class="p">),</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">return</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">return</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="p">)</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">return</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">return</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="p">)</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">return</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">return</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">return</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="p">)</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">return</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="p">)</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="p">)</span>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="p">)</span>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">return</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="p">)</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="p">)</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="p">)</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="p">)</span>
|
||||
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a>
|
||||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="p">)</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a>
|
||||
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="p">)</span>
|
||||
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="sa">f</span><span class="s1">'(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, "_x" -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))'</span><span class="p">,</span>
|
||||
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="p">)</span>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="p">)</span>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a><span class="k">def</span> <span class="nf">_replace</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">condition</span><span class="p">):</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="n">condition</span><span class="p">))</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a><span class="k">def</span> <span class="nf">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">)):</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">return</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">)</span>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="p">)</span>
|
||||
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a>
|
||||
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="p">)</span>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="sa">f</span><span class="s1">'(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, "_x" -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))'</span><span class="p">,</span>
|
||||
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="p">)</span>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="p">)</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a><span class="k">def</span> <span class="nf">_replace</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">condition</span><span class="p">):</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="n">condition</span><span class="p">))</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">))</span>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="p">)</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a><span class="k">def</span> <span class="nf">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">)):</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">return</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">)</span>
|
||||
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">))</span>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="p">)</span>
|
||||
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -428,64 +435,71 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#unnest"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="unnest-40"><a href="#unnest-40"><span class="linenos">40</span></a><span class="k">def</span> <span class="nf">unnest</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="unnest-41"><a href="#unnest-41"><span class="linenos">41</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="unnest-42"><a href="#unnest-42"><span class="linenos">42</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-43"><a href="#unnest-43"><span class="linenos">43</span></a>
|
||||
</span><span id="unnest-44"><a href="#unnest-44"><span class="linenos">44</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">)</span>
|
||||
</span><span id="unnest-45"><a href="#unnest-45"><span class="linenos">45</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="unnest-46"><a href="#unnest-46"><span class="linenos">46</span></a>
|
||||
</span><span id="unnest-47"><a href="#unnest-47"><span class="linenos">47</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="unnest-48"><a href="#unnest-48"><span class="linenos">48</span></a> <span class="ow">not</span> <span class="n">predicate</span>
|
||||
</span><span id="unnest-49"><a href="#unnest-49"><span class="linenos">49</span></a> <span class="ow">or</span> <span class="n">parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">predicate</span><span class="o">.</span><span class="n">parent_select</span>
|
||||
</span><span id="unnest-50"><a href="#unnest-50"><span class="linenos">50</span></a> <span class="ow">or</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span>
|
||||
</span><span id="unnest-51"><a href="#unnest-51"><span class="linenos">51</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-52"><a href="#unnest-52"><span class="linenos">52</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-53"><a href="#unnest-53"><span class="linenos">53</span></a>
|
||||
</span><span id="unnest-54"><a href="#unnest-54"><span class="linenos">54</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
|
||||
</span><span id="unnest-55"><a href="#unnest-55"><span class="linenos">55</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">)):</span>
|
||||
</span><span id="unnest-56"><a href="#unnest-56"><span class="linenos">56</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="unnest-57"><a href="#unnest-57"><span class="linenos">57</span></a>
|
||||
</span><span id="unnest-58"><a href="#unnest-58"><span class="linenos">58</span></a> <span class="n">clause</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span>
|
||||
</span><span id="unnest-59"><a href="#unnest-59"><span class="linenos">59</span></a> <span class="n">clause_parent_select</span> <span class="o">=</span> <span class="n">clause</span><span class="o">.</span><span class="n">parent_select</span> <span class="k">if</span> <span class="n">clause</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="unnest-60"><a href="#unnest-60"><span class="linenos">60</span></a>
|
||||
</span><span id="unnest-61"><a href="#unnest-61"><span class="linenos">61</span></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)</span> <span class="ow">and</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="n">parent_select</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="unnest-62"><a href="#unnest-62"><span class="linenos">62</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
|
||||
</span><span id="unnest-63"><a href="#unnest-63"><span class="linenos">63</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="unnest-64"><a href="#unnest-64"><span class="linenos">64</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="unnest-65"><a href="#unnest-65"><span class="linenos">65</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="unnest-66"><a href="#unnest-66"><span class="linenos">66</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-67"><a href="#unnest-67"><span class="linenos">67</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-68"><a href="#unnest-68"><span class="linenos">68</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="unnest-69"><a href="#unnest-69"><span class="linenos">69</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="unnest-70"><a href="#unnest-70"><span class="linenos">70</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-71"><a href="#unnest-71"><span class="linenos">71</span></a>
|
||||
</span><span id="unnest-72"><a href="#unnest-72"><span class="linenos">72</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="unnest-73"><a href="#unnest-73"><span class="linenos">73</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-74"><a href="#unnest-74"><span class="linenos">74</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-75"><a href="#unnest-75"><span class="linenos">75</span></a>
|
||||
</span><span id="unnest-76"><a href="#unnest-76"><span class="linenos">76</span></a> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="unnest-77"><a href="#unnest-77"><span class="linenos">77</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-78"><a href="#unnest-78"><span class="linenos">78</span></a>
|
||||
</span><span id="unnest-79"><a href="#unnest-79"><span class="linenos">79</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="unnest-80"><a href="#unnest-80"><span class="linenos">80</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span>
|
||||
</span><span id="unnest-81"><a href="#unnest-81"><span class="linenos">81</span></a>
|
||||
</span><span id="unnest-82"><a href="#unnest-82"><span class="linenos">82</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">predicate</span><span class="o">.</span><span class="n">parent_select</span><span class="p">:</span>
|
||||
</span><span id="unnest-83"><a href="#unnest-83"><span class="linenos">83</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-84"><a href="#unnest-84"><span class="linenos">84</span></a>
|
||||
</span><span id="unnest-85"><a href="#unnest-85"><span class="linenos">85</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="unnest-86"><a href="#unnest-86"><span class="linenos">86</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="unnest-87"><a href="#unnest-87"><span class="linenos">87</span></a>
|
||||
</span><span id="unnest-88"><a href="#unnest-88"><span class="linenos">88</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s1"> = "</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s1">"."</span><span class="si">{</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="si">}</span><span class="s1">"'</span><span class="p">)</span>
|
||||
</span><span id="unnest-89"><a href="#unnest-89"><span class="linenos">89</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">on</span><span class="o">.</span><span class="n">right</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="unnest-90"><a href="#unnest-90"><span class="linenos">90</span></a>
|
||||
</span><span id="unnest-91"><a href="#unnest-91"><span class="linenos">91</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="unnest-92"><a href="#unnest-92"><span class="linenos">92</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="unnest-93"><a href="#unnest-93"><span class="linenos">93</span></a> <span class="n">on</span><span class="o">=</span><span class="n">on</span><span class="p">,</span>
|
||||
</span><span id="unnest-94"><a href="#unnest-94"><span class="linenos">94</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="unnest-95"><a href="#unnest-95"><span class="linenos">95</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="unnest-96"><a href="#unnest-96"><span class="linenos">96</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="unnest-97"><a href="#unnest-97"><span class="linenos">97</span></a> <span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="unnest-40"><a href="#unnest-40"><span class="linenos"> 40</span></a><span class="k">def</span> <span class="nf">unnest</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="unnest-41"><a href="#unnest-41"><span class="linenos"> 41</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="unnest-42"><a href="#unnest-42"><span class="linenos"> 42</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-43"><a href="#unnest-43"><span class="linenos"> 43</span></a>
|
||||
</span><span id="unnest-44"><a href="#unnest-44"><span class="linenos"> 44</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">)</span>
|
||||
</span><span id="unnest-45"><a href="#unnest-45"><span class="linenos"> 45</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="unnest-46"><a href="#unnest-46"><span class="linenos"> 46</span></a>
|
||||
</span><span id="unnest-47"><a href="#unnest-47"><span class="linenos"> 47</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="unnest-48"><a href="#unnest-48"><span class="linenos"> 48</span></a> <span class="ow">not</span> <span class="n">predicate</span>
|
||||
</span><span id="unnest-49"><a href="#unnest-49"><span class="linenos"> 49</span></a> <span class="ow">or</span> <span class="n">parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">predicate</span><span class="o">.</span><span class="n">parent_select</span>
|
||||
</span><span id="unnest-50"><a href="#unnest-50"><span class="linenos"> 50</span></a> <span class="ow">or</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span>
|
||||
</span><span id="unnest-51"><a href="#unnest-51"><span class="linenos"> 51</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-52"><a href="#unnest-52"><span class="linenos"> 52</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-53"><a href="#unnest-53"><span class="linenos"> 53</span></a>
|
||||
</span><span id="unnest-54"><a href="#unnest-54"><span class="linenos"> 54</span></a> <span class="n">clause</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span>
|
||||
</span><span id="unnest-55"><a href="#unnest-55"><span class="linenos"> 55</span></a>
|
||||
</span><span id="unnest-56"><a href="#unnest-56"><span class="linenos"> 56</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
|
||||
</span><span id="unnest-57"><a href="#unnest-57"><span class="linenos"> 57</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">)):</span>
|
||||
</span><span id="unnest-58"><a href="#unnest-58"><span class="linenos"> 58</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="unnest-59"><a href="#unnest-59"><span class="linenos"> 59</span></a>
|
||||
</span><span id="unnest-60"><a href="#unnest-60"><span class="linenos"> 60</span></a> <span class="n">clause_parent_select</span> <span class="o">=</span> <span class="n">clause</span><span class="o">.</span><span class="n">parent_select</span> <span class="k">if</span> <span class="n">clause</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="unnest-61"><a href="#unnest-61"><span class="linenos"> 61</span></a>
|
||||
</span><span id="unnest-62"><a href="#unnest-62"><span class="linenos"> 62</span></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)</span> <span class="ow">and</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="n">parent_select</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="unnest-63"><a href="#unnest-63"><span class="linenos"> 63</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
|
||||
</span><span id="unnest-64"><a href="#unnest-64"><span class="linenos"> 64</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="unnest-65"><a href="#unnest-65"><span class="linenos"> 65</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="unnest-66"><a href="#unnest-66"><span class="linenos"> 66</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="unnest-67"><a href="#unnest-67"><span class="linenos"> 67</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-68"><a href="#unnest-68"><span class="linenos"> 68</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-69"><a href="#unnest-69"><span class="linenos"> 69</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="unnest-70"><a href="#unnest-70"><span class="linenos"> 70</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="unnest-71"><a href="#unnest-71"><span class="linenos"> 71</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-72"><a href="#unnest-72"><span class="linenos"> 72</span></a>
|
||||
</span><span id="unnest-73"><a href="#unnest-73"><span class="linenos"> 73</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="unnest-74"><a href="#unnest-74"><span class="linenos"> 74</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-75"><a href="#unnest-75"><span class="linenos"> 75</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-76"><a href="#unnest-76"><span class="linenos"> 76</span></a>
|
||||
</span><span id="unnest-77"><a href="#unnest-77"><span class="linenos"> 77</span></a> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="unnest-78"><a href="#unnest-78"><span class="linenos"> 78</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-79"><a href="#unnest-79"><span class="linenos"> 79</span></a>
|
||||
</span><span id="unnest-80"><a href="#unnest-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="unnest-81"><a href="#unnest-81"><span class="linenos"> 81</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span>
|
||||
</span><span id="unnest-82"><a href="#unnest-82"><span class="linenos"> 82</span></a>
|
||||
</span><span id="unnest-83"><a href="#unnest-83"><span class="linenos"> 83</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">predicate</span><span class="o">.</span><span class="n">parent_select</span><span class="p">:</span>
|
||||
</span><span id="unnest-84"><a href="#unnest-84"><span class="linenos"> 84</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-85"><a href="#unnest-85"><span class="linenos"> 85</span></a>
|
||||
</span><span id="unnest-86"><a href="#unnest-86"><span class="linenos"> 86</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="unnest-87"><a href="#unnest-87"><span class="linenos"> 87</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="unnest-88"><a href="#unnest-88"><span class="linenos"> 88</span></a>
|
||||
</span><span id="unnest-89"><a href="#unnest-89"><span class="linenos"> 89</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="unnest-90"><a href="#unnest-90"><span class="linenos"> 90</span></a> <span class="n">join_key_not_null</span> <span class="o">=</span> <span class="n">join_key</span><span class="o">.</span><span class="n">is_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">())</span><span class="o">.</span><span class="n">not_</span><span class="p">()</span>
|
||||
</span><span id="unnest-91"><a href="#unnest-91"><span class="linenos"> 91</span></a>
|
||||
</span><span id="unnest-92"><a href="#unnest-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="unnest-93"><a href="#unnest-93"><span class="linenos"> 93</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="unnest-94"><a href="#unnest-94"><span class="linenos"> 94</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">join_key_not_null</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-95"><a href="#unnest-95"><span class="linenos"> 95</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="unnest-96"><a href="#unnest-96"><span class="linenos"> 96</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">join_key_not_null</span><span class="p">)</span>
|
||||
</span><span id="unnest-97"><a href="#unnest-97"><span class="linenos"> 97</span></a>
|
||||
</span><span id="unnest-98"><a href="#unnest-98"><span class="linenos"> 98</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="unnest-99"><a href="#unnest-99"><span class="linenos"> 99</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="unnest-100"><a href="#unnest-100"><span class="linenos">100</span></a> <span class="n">on</span><span class="o">=</span><span class="n">column</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">join_key</span><span class="p">),</span>
|
||||
</span><span id="unnest-101"><a href="#unnest-101"><span class="linenos">101</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="unnest-102"><a href="#unnest-102"><span class="linenos">102</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="unnest-103"><a href="#unnest-103"><span class="linenos">103</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="unnest-104"><a href="#unnest-104"><span class="linenos">104</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -503,161 +517,161 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#decorrelate"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="decorrelate-100"><a href="#decorrelate-100"><span class="linenos">100</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-101"><a href="#decorrelate-101"><span class="linenos">101</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-102"><a href="#decorrelate-102"><span class="linenos">102</span></a>
|
||||
</span><span id="decorrelate-103"><a href="#decorrelate-103"><span class="linenos">103</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-104"><a href="#decorrelate-104"><span class="linenos">104</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-105"><a href="#decorrelate-105"><span class="linenos">105</span></a>
|
||||
</span><span id="decorrelate-106"><a href="#decorrelate-106"><span class="linenos">106</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-107"><a href="#decorrelate-107"><span class="linenos">107</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-108"><a href="#decorrelate-108"><span class="linenos">108</span></a>
|
||||
</span><span id="decorrelate-109"><a href="#decorrelate-109"><span class="linenos">109</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="decorrelate-110"><a href="#decorrelate-110"><span class="linenos">110</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="decorrelate-111"><a href="#decorrelate-111"><span class="linenos">111</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-112"><a href="#decorrelate-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-113"><a href="#decorrelate-113"><span class="linenos">113</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-114"><a href="#decorrelate-114"><span class="linenos">114</span></a>
|
||||
</span><span id="decorrelate-115"><a href="#decorrelate-115"><span class="linenos">115</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-116"><a href="#decorrelate-116"><span class="linenos">116</span></a>
|
||||
</span><span id="decorrelate-117"><a href="#decorrelate-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-118"><a href="#decorrelate-118"><span class="linenos">118</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-119"><a href="#decorrelate-119"><span class="linenos">119</span></a>
|
||||
</span><span id="decorrelate-120"><a href="#decorrelate-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-121"><a href="#decorrelate-121"><span class="linenos">121</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="decorrelate-122"><a href="#decorrelate-122"><span class="linenos">122</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="decorrelate-123"><a href="#decorrelate-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-124"><a href="#decorrelate-124"><span class="linenos">124</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="decorrelate-125"><a href="#decorrelate-125"><span class="linenos">125</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-126"><a href="#decorrelate-126"><span class="linenos">126</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-127"><a href="#decorrelate-127"><span class="linenos">127</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-128"><a href="#decorrelate-128"><span class="linenos">128</span></a>
|
||||
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-130"><a href="#decorrelate-130"><span class="linenos">130</span></a>
|
||||
</span><span id="decorrelate-131"><a href="#decorrelate-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-133"><a href="#decorrelate-133"><span class="linenos">133</span></a>
|
||||
</span><span id="decorrelate-134"><a href="#decorrelate-134"><span class="linenos">134</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-135"><a href="#decorrelate-135"><span class="linenos">135</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-136"><a href="#decorrelate-136"><span class="linenos">136</span></a> <span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="decorrelate-107"><a href="#decorrelate-107"><span class="linenos">107</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-108"><a href="#decorrelate-108"><span class="linenos">108</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-109"><a href="#decorrelate-109"><span class="linenos">109</span></a>
|
||||
</span><span id="decorrelate-110"><a href="#decorrelate-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-111"><a href="#decorrelate-111"><span class="linenos">111</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-112"><a href="#decorrelate-112"><span class="linenos">112</span></a>
|
||||
</span><span id="decorrelate-113"><a href="#decorrelate-113"><span class="linenos">113</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-114"><a href="#decorrelate-114"><span class="linenos">114</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-115"><a href="#decorrelate-115"><span class="linenos">115</span></a>
|
||||
</span><span id="decorrelate-116"><a href="#decorrelate-116"><span class="linenos">116</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="decorrelate-117"><a href="#decorrelate-117"><span class="linenos">117</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="decorrelate-118"><a href="#decorrelate-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-119"><a href="#decorrelate-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-120"><a href="#decorrelate-120"><span class="linenos">120</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-121"><a href="#decorrelate-121"><span class="linenos">121</span></a>
|
||||
</span><span id="decorrelate-122"><a href="#decorrelate-122"><span class="linenos">122</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-123"><a href="#decorrelate-123"><span class="linenos">123</span></a>
|
||||
</span><span id="decorrelate-124"><a href="#decorrelate-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-125"><a href="#decorrelate-125"><span class="linenos">125</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-126"><a href="#decorrelate-126"><span class="linenos">126</span></a>
|
||||
</span><span id="decorrelate-127"><a href="#decorrelate-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-128"><a href="#decorrelate-128"><span class="linenos">128</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="decorrelate-130"><a href="#decorrelate-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-131"><a href="#decorrelate-131"><span class="linenos">131</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-133"><a href="#decorrelate-133"><span class="linenos">133</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-134"><a href="#decorrelate-134"><span class="linenos">134</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-135"><a href="#decorrelate-135"><span class="linenos">135</span></a>
|
||||
</span><span id="decorrelate-136"><a href="#decorrelate-136"><span class="linenos">136</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-137"><a href="#decorrelate-137"><span class="linenos">137</span></a>
|
||||
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="decorrelate-139"><a href="#decorrelate-139"><span class="linenos">139</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-140"><a href="#decorrelate-140"><span class="linenos">140</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-141"><a href="#decorrelate-141"><span class="linenos">141</span></a>
|
||||
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-143"><a href="#decorrelate-143"><span class="linenos">143</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-144"><a href="#decorrelate-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-145"><a href="#decorrelate-145"><span class="linenos">145</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="decorrelate-146"><a href="#decorrelate-146"><span class="linenos">146</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-147"><a href="#decorrelate-147"><span class="linenos">147</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-148"><a href="#decorrelate-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-150"><a href="#decorrelate-150"><span class="linenos">150</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-151"><a href="#decorrelate-151"><span class="linenos">151</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-152"><a href="#decorrelate-152"><span class="linenos">152</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-153"><a href="#decorrelate-153"><span class="linenos">153</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-154"><a href="#decorrelate-154"><span class="linenos">154</span></a>
|
||||
</span><span id="decorrelate-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</span></a>
|
||||
</span><span id="decorrelate-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-166"><a href="#decorrelate-166"><span class="linenos">166</span></a>
|
||||
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="decorrelate-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-171"><a href="#decorrelate-171"><span class="linenos">171</span></a>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-176"><a href="#decorrelate-176"><span class="linenos">176</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-177"><a href="#decorrelate-177"><span class="linenos">177</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-179"><a href="#decorrelate-179"><span class="linenos">179</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-180"><a href="#decorrelate-180"><span class="linenos">180</span></a>
|
||||
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</span></a>
|
||||
</span><span id="decorrelate-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="decorrelate-190"><a href="#decorrelate-190"><span class="linenos">190</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-205"><a href="#decorrelate-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-206"><a href="#decorrelate-206"><span class="linenos">206</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-207"><a href="#decorrelate-207"><span class="linenos">207</span></a>
|
||||
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="decorrelate-209"><a href="#decorrelate-209"><span class="linenos">209</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-211"><a href="#decorrelate-211"><span class="linenos">211</span></a>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-139"><a href="#decorrelate-139"><span class="linenos">139</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-140"><a href="#decorrelate-140"><span class="linenos">140</span></a>
|
||||
</span><span id="decorrelate-141"><a href="#decorrelate-141"><span class="linenos">141</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-143"><a href="#decorrelate-143"><span class="linenos">143</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-144"><a href="#decorrelate-144"><span class="linenos">144</span></a>
|
||||
</span><span id="decorrelate-145"><a href="#decorrelate-145"><span class="linenos">145</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="decorrelate-146"><a href="#decorrelate-146"><span class="linenos">146</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-147"><a href="#decorrelate-147"><span class="linenos">147</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-148"><a href="#decorrelate-148"><span class="linenos">148</span></a>
|
||||
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-150"><a href="#decorrelate-150"><span class="linenos">150</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-151"><a href="#decorrelate-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-152"><a href="#decorrelate-152"><span class="linenos">152</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="decorrelate-153"><a href="#decorrelate-153"><span class="linenos">153</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-154"><a href="#decorrelate-154"><span class="linenos">154</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</span></a>
|
||||
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a>
|
||||
</span><span id="decorrelate-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="decorrelate-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-171"><a href="#decorrelate-171"><span class="linenos">171</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</span></a>
|
||||
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-176"><a href="#decorrelate-176"><span class="linenos">176</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-177"><a href="#decorrelate-177"><span class="linenos">177</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</span></a>
|
||||
</span><span id="decorrelate-179"><a href="#decorrelate-179"><span class="linenos">179</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="decorrelate-180"><a href="#decorrelate-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</span></a>
|
||||
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-190"><a href="#decorrelate-190"><span class="linenos">190</span></a>
|
||||
</span><span id="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-205"><a href="#decorrelate-205"><span class="linenos">205</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-206"><a href="#decorrelate-206"><span class="linenos">206</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-207"><a href="#decorrelate-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-209"><a href="#decorrelate-209"><span class="linenos">209</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a>
|
||||
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-218"><a href="#decorrelate-218"><span class="linenos">218</span></a>
|
||||
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</span></a>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-225"><span class="linenos">225</span></a>
|
||||
</span><span id="decorrelate-226"><a href="#decorrelate-226"><span class="linenos">226</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</span></a>
|
||||
</span><span id="decorrelate-230"><a href="#decorrelate-230"><span class="linenos">230</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a>
|
||||
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-235"><a href="#decorrelate-235"><span class="linenos">235</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-236"><a href="#decorrelate-236"><span class="linenos">236</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</span></a> <span class="sa">f</span><span class="s1">'(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, "_x" -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))'</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</span></a>
|
||||
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-253"><a href="#decorrelate-253"><span class="linenos">253</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-254"><a href="#decorrelate-254"><span class="linenos">254</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-226"><a href="#decorrelate-226"><span class="linenos">226</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-230"><a href="#decorrelate-230"><span class="linenos">230</span></a>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</span></a>
|
||||
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-235"><a href="#decorrelate-235"><span class="linenos">235</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-236"><a href="#decorrelate-236"><span class="linenos">236</span></a>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</span></a>
|
||||
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a> <span class="sa">f</span><span class="s1">'(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, "_x" -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))'</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-253"><a href="#decorrelate-253"><span class="linenos">253</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-254"><a href="#decorrelate-254"><span class="linenos">254</span></a>
|
||||
</span><span id="decorrelate-255"><a href="#decorrelate-255"><span class="linenos">255</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-256"><a href="#decorrelate-256"><span class="linenos">256</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-257"><a href="#decorrelate-257"><span class="linenos">257</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-258"><a href="#decorrelate-258"><span class="linenos">258</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-261"><a href="#decorrelate-261"><span class="linenos">261</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
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|
|||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="generator" content="pdoc 14.3.0"/>
|
||||
<meta name="generator" content="pdoc 14.4.0"/>
|
||||
<title>sqlglot.planner API documentation</title>
|
||||
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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<style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}ol,ul{padding-left:2rem}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:.875em}mark{padding:.2em;background-color:#fcf8e3}sub,sup{position:relative;font-size:.75em;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#0d6efd;text-decoration:underline}a:hover{color:#0a58ca}a:not([href]):not([class]),a:not([href]):not([class]):hover{color:inherit;text-decoration:none}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em;direction:ltr;unicode-bidi:bidi-override}pre{display:block;margin-top:0;margin-bottom:1rem;overflow:auto;font-size:.875em}pre code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style>
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