Merging upstream version 23.10.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
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91 changed files with 52881 additions and 50396 deletions
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@ -586,7 +586,7 @@ queries if it would result in multiple table selects in a single query:</p>
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<div class="attr variable">
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<span class="name">UNMERGABLE_ARGS</span> =
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<input id="UNMERGABLE_ARGS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'into', 'having', 'sort', 'match', 'locks', 'group', 'sample', 'prewhere', 'laterals', 'limit', 'kind', 'settings', 'with', 'options', 'qualify', 'offset', 'windows', 'connect', 'format', 'pivots', 'cluster', 'distribute', 'distinct'}</span>
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<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'into', 'prewhere', 'limit', 'distribute', 'kind', 'offset', 'cluster', 'match', 'settings', 'with', 'sort', 'connect', 'qualify', 'having', 'sample', 'distinct', 'locks', 'group', 'pivots', 'options', 'windows', 'format', 'laterals'}</span>
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</div>
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@ -113,7 +113,7 @@
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</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</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>
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</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</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>
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</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a>
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</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="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">Query</span><span class="p">):</span>
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</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">if</span> <span class="p">(</span><span class="n">db</span> <span class="ow">or</span> <span class="n">catalog</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">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">):</span>
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</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">for</span> <span class="n">node</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="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">Query</span><span class="p">)):</span>
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</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</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>
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</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
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@ -136,10 +136,10 @@
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</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</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>
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</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</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>
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</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a>
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</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</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>
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</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</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>
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</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
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</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a>
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</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">table_aliases</span> <span class="o">=</span> <span class="p">{}</span>
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</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a>
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</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</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>
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</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</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>
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</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</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>
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</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</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>
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</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="c1"># Don't add the pivot's alias to the pivoted table, use the table's name instead</span>
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@ -149,43 +149,58 @@
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</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="c1"># Mutates the source by attaching an alias to it</span>
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</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</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>
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</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a>
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</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</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>
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</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</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>
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</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</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>
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</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="p">)</span>
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</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a>
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</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</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>
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</span><span id="L-100"><a href="#L-100"><span class="linenos">100</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>
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</span><span id="L-101"><a href="#L-101"><span class="linenos">101</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>
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</span><span id="L-102"><a href="#L-102"><span class="linenos">102</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>
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</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">add_table</span><span class="p">(</span>
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</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">source</span><span class="p">,</span>
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</span><span id="L-105"><a href="#L-105"><span class="linenos">105</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>
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</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">match_depth</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
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</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="p">)</span>
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</span><span id="L-108"><a href="#L-108"><span class="linenos">108</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>
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</span><span id="L-109"><a href="#L-109"><span class="linenos">109</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>
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</span><span id="L-110"><a href="#L-110"><span class="linenos">110</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>
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</span><span id="L-111"><a href="#L-111"><span class="linenos">111</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>
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</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="p">)</span>
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</span><span id="L-113"><a href="#L-113"><span class="linenos">113</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>
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</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
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</span><span id="L-115"><a href="#L-115"><span class="linenos">115</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>
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</span><span id="L-116"><a href="#L-116"><span class="linenos">116</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>
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</span><span id="L-117"><a href="#L-117"><span class="linenos">117</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>
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</span><span id="L-118"><a href="#L-118"><span class="linenos">118</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>
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</span><span id="L-119"><a href="#L-119"><span class="linenos">119</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>
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</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">else</span><span class="p">:</span>
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</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
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</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="p">(</span>
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</span><span id="L-123"><a href="#L-123"><span class="linenos">123</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>
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</span><span id="L-124"><a href="#L-124"><span class="linenos">124</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>
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</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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>
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</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="p">):</span>
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</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
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</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">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>
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||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a>
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||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">expression</span>
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</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">table_aliases</span><span class="p">[</span><span class="s2">"."</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">p</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">parts</span><span class="p">)]</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span>
|
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</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">source</span><span class="o">.</span><span class="n">alias</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 class="n">_qualify</span><span class="p">(</span><span class="n">source</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="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-101"><a href="#L-101"><span class="linenos">101</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-102"><a href="#L-102"><span class="linenos">102</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-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="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-106"><a href="#L-106"><span class="linenos">106</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-107"><a href="#L-107"><span class="linenos">107</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-108"><a href="#L-108"><span class="linenos">108</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-109"><a href="#L-109"><span class="linenos">109</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-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">source</span><span class="p">,</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</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-112"><a href="#L-112"><span class="linenos">112</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-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="p">)</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</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-115"><a href="#L-115"><span class="linenos">115</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-116"><a href="#L-116"><span class="linenos">116</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-117"><a href="#L-117"><span class="linenos">117</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-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="p">)</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</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-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="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-122"><a href="#L-122"><span class="linenos">122</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-123"><a href="#L-123"><span class="linenos">123</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-124"><a href="#L-124"><span class="linenos">124</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-125"><a href="#L-125"><span class="linenos">125</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-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">for</span> <span class="n">node</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-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</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-130"><a href="#L-130"><span class="linenos">130</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-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="p">):</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</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-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">for</span> <span class="n">column</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-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">db</span><span class="p">:</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">table_aliases</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"."</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">p</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">column</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">]))</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="k">if</span> <span class="n">table_alias</span><span class="p">:</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">COLUMN_PARTS</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">table_alias</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">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -243,7 +258,7 @@
|
|||
</span><span id="qualify_tables-56"><a href="#qualify_tables-56"><span class="linenos"> 56</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-57"><a href="#qualify_tables-57"><span class="linenos"> 57</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-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="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">Query</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="p">(</span><span class="n">db</span> <span class="ow">or</span> <span class="n">catalog</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">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-60"><a href="#qualify_tables-60"><span class="linenos"> 60</span></a> <span class="k">for</span> <span class="n">node</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="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">Query</span><span class="p">)):</span>
|
||||
</span><span id="qualify_tables-61"><a href="#qualify_tables-61"><span class="linenos"> 61</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-62"><a href="#qualify_tables-62"><span class="linenos"> 62</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
|
|
@ -266,10 +281,10 @@
|
|||
</span><span id="qualify_tables-79"><a href="#qualify_tables-79"><span class="linenos"> 79</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-80"><a href="#qualify_tables-80"><span class="linenos"> 80</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-81"><a href="#qualify_tables-81"><span class="linenos"> 81</span></a>
|
||||
</span><span id="qualify_tables-82"><a href="#qualify_tables-82"><span class="linenos"> 82</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-83"><a href="#qualify_tables-83"><span class="linenos"> 83</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-84"><a href="#qualify_tables-84"><span class="linenos"> 84</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-85"><a href="#qualify_tables-85"><span class="linenos"> 85</span></a>
|
||||
</span><span id="qualify_tables-82"><a href="#qualify_tables-82"><span class="linenos"> 82</span></a> <span class="n">table_aliases</span> <span class="o">=</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="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-85"><a href="#qualify_tables-85"><span class="linenos"> 85</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-86"><a href="#qualify_tables-86"><span class="linenos"> 86</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-87"><a href="#qualify_tables-87"><span class="linenos"> 87</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-88"><a href="#qualify_tables-88"><span class="linenos"> 88</span></a> <span class="c1"># Don't add the pivot's alias to the pivoted table, use the table's name instead</span>
|
||||
|
|
@ -279,43 +294,58 @@
|
|||
</span><span id="qualify_tables-92"><a href="#qualify_tables-92"><span class="linenos"> 92</span></a> <span class="c1"># Mutates the source by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-93"><a href="#qualify_tables-93"><span class="linenos"> 93</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-94"><a href="#qualify_tables-94"><span class="linenos"> 94</span></a>
|
||||
</span><span id="qualify_tables-95"><a href="#qualify_tables-95"><span class="linenos"> 95</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-96"><a href="#qualify_tables-96"><span class="linenos"> 96</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-97"><a href="#qualify_tables-97"><span class="linenos"> 97</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-98"><a href="#qualify_tables-98"><span class="linenos"> 98</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-99"><a href="#qualify_tables-99"><span class="linenos"> 99</span></a>
|
||||
</span><span id="qualify_tables-100"><a href="#qualify_tables-100"><span class="linenos">100</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-101"><a href="#qualify_tables-101"><span class="linenos">101</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-102"><a href="#qualify_tables-102"><span class="linenos">102</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-103"><a href="#qualify_tables-103"><span class="linenos">103</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-104"><a href="#qualify_tables-104"><span class="linenos">104</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-105"><a href="#qualify_tables-105"><span class="linenos">105</span></a> <span class="n">source</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 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-107"><a href="#qualify_tables-107"><span class="linenos">107</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-108"><a href="#qualify_tables-108"><span class="linenos">108</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-109"><a href="#qualify_tables-109"><span class="linenos">109</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-110"><a href="#qualify_tables-110"><span class="linenos">110</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-111"><a href="#qualify_tables-111"><span class="linenos">111</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-112"><a href="#qualify_tables-112"><span class="linenos">112</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-113"><a href="#qualify_tables-113"><span class="linenos">113</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-114"><a href="#qualify_tables-114"><span class="linenos">114</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-115"><a href="#qualify_tables-115"><span class="linenos">115</span></a>
|
||||
</span><span id="qualify_tables-116"><a href="#qualify_tables-116"><span class="linenos">116</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-117"><a href="#qualify_tables-117"><span class="linenos">117</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-118"><a href="#qualify_tables-118"><span class="linenos">118</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-119"><a href="#qualify_tables-119"><span class="linenos">119</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-120"><a href="#qualify_tables-120"><span class="linenos">120</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-121"><a href="#qualify_tables-121"><span class="linenos">121</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-122"><a href="#qualify_tables-122"><span class="linenos">122</span></a> <span class="k">for</span> <span class="n">node</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-123"><a href="#qualify_tables-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="qualify_tables-124"><a href="#qualify_tables-124"><span class="linenos">124</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-125"><a href="#qualify_tables-125"><span class="linenos">125</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-126"><a href="#qualify_tables-126"><span class="linenos">126</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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-127"><a href="#qualify_tables-127"><span class="linenos">127</span></a> <span class="p">):</span>
|
||||
</span><span id="qualify_tables-128"><a href="#qualify_tables-128"><span class="linenos">128</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-129"><a href="#qualify_tables-129"><span class="linenos">129</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-130"><a href="#qualify_tables-130"><span class="linenos">130</span></a>
|
||||
</span><span id="qualify_tables-131"><a href="#qualify_tables-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="qualify_tables-95"><a href="#qualify_tables-95"><span class="linenos"> 95</span></a> <span class="n">table_aliases</span><span class="p">[</span><span class="s2">"."</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">p</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">parts</span><span class="p">)]</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><span id="qualify_tables-96"><a href="#qualify_tables-96"><span class="linenos"> 96</span></a> <span class="n">source</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="qualify_tables-97"><a href="#qualify_tables-97"><span class="linenos"> 97</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-98"><a href="#qualify_tables-98"><span class="linenos"> 98</span></a>
|
||||
</span><span id="qualify_tables-99"><a href="#qualify_tables-99"><span class="linenos"> 99</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-100"><a href="#qualify_tables-100"><span class="linenos">100</span></a>
|
||||
</span><span id="qualify_tables-101"><a href="#qualify_tables-101"><span class="linenos">101</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-102"><a href="#qualify_tables-102"><span class="linenos">102</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-103"><a href="#qualify_tables-103"><span class="linenos">103</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-104"><a href="#qualify_tables-104"><span class="linenos">104</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-105"><a href="#qualify_tables-105"><span class="linenos">105</span></a>
|
||||
</span><span id="qualify_tables-106"><a href="#qualify_tables-106"><span class="linenos">106</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-107"><a href="#qualify_tables-107"><span class="linenos">107</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-108"><a href="#qualify_tables-108"><span class="linenos">108</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-109"><a href="#qualify_tables-109"><span class="linenos">109</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-110"><a href="#qualify_tables-110"><span class="linenos">110</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-111"><a href="#qualify_tables-111"><span class="linenos">111</span></a> <span class="n">source</span><span class="p">,</span>
|
||||
</span><span id="qualify_tables-112"><a href="#qualify_tables-112"><span class="linenos">112</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-113"><a href="#qualify_tables-113"><span class="linenos">113</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-114"><a href="#qualify_tables-114"><span class="linenos">114</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-115"><a href="#qualify_tables-115"><span class="linenos">115</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-116"><a href="#qualify_tables-116"><span class="linenos">116</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-117"><a href="#qualify_tables-117"><span class="linenos">117</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-118"><a href="#qualify_tables-118"><span class="linenos">118</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-119"><a href="#qualify_tables-119"><span class="linenos">119</span></a> <span class="p">)</span>
|
||||
</span><span id="qualify_tables-120"><a href="#qualify_tables-120"><span class="linenos">120</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-121"><a href="#qualify_tables-121"><span class="linenos">121</span></a>
|
||||
</span><span id="qualify_tables-122"><a href="#qualify_tables-122"><span class="linenos">122</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-123"><a href="#qualify_tables-123"><span class="linenos">123</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-124"><a href="#qualify_tables-124"><span class="linenos">124</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-125"><a href="#qualify_tables-125"><span class="linenos">125</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-126"><a href="#qualify_tables-126"><span class="linenos">126</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-127"><a href="#qualify_tables-127"><span class="linenos">127</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-128"><a href="#qualify_tables-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">node</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-129"><a href="#qualify_tables-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="qualify_tables-130"><a href="#qualify_tables-130"><span class="linenos">130</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-131"><a href="#qualify_tables-131"><span class="linenos">131</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-132"><a href="#qualify_tables-132"><span class="linenos">132</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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-133"><a href="#qualify_tables-133"><span class="linenos">133</span></a> <span class="p">):</span>
|
||||
</span><span id="qualify_tables-134"><a href="#qualify_tables-134"><span class="linenos">134</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-135"><a href="#qualify_tables-135"><span class="linenos">135</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-136"><a href="#qualify_tables-136"><span class="linenos">136</span></a>
|
||||
</span><span id="qualify_tables-137"><a href="#qualify_tables-137"><span class="linenos">137</span></a> <span class="k">for</span> <span class="n">column</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="qualify_tables-138"><a href="#qualify_tables-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">db</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-139"><a href="#qualify_tables-139"><span class="linenos">139</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">table_aliases</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"."</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">p</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">column</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">]))</span>
|
||||
</span><span id="qualify_tables-140"><a href="#qualify_tables-140"><span class="linenos">140</span></a>
|
||||
</span><span id="qualify_tables-141"><a href="#qualify_tables-141"><span class="linenos">141</span></a> <span class="k">if</span> <span class="n">table_alias</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-142"><a href="#qualify_tables-142"><span class="linenos">142</span></a> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">COLUMN_PARTS</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
|
||||
</span><span id="qualify_tables-143"><a href="#qualify_tables-143"><span class="linenos">143</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-144"><a href="#qualify_tables-144"><span class="linenos">144</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-145"><a href="#qualify_tables-145"><span class="linenos">145</span></a>
|
||||
</span><span id="qualify_tables-146"><a href="#qualify_tables-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -838,7 +838,7 @@
|
|||
</span><span id="L-600"><a href="#L-600"><span class="linenos">600</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-601"><a href="#L-601"><span class="linenos">601</span></a>
|
||||
</span><span id="L-602"><a href="#L-602"><span class="linenos">602</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">ctes</span><span class="p">:</span>
|
||||
</span><span id="L-603"><a href="#L-603"><span class="linenos">603</span></a> <span class="n">recursive_scope</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-603"><a href="#L-603"><span class="linenos">603</span></a> <span class="n">cte_name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-604"><a href="#L-604"><span class="linenos">604</span></a>
|
||||
</span><span id="L-605"><a href="#L-605"><span class="linenos">605</span></a> <span class="c1"># if the scope is a recursive cte, it must be in the form of base_case UNION recursive.</span>
|
||||
</span><span id="L-606"><a href="#L-606"><span class="linenos">606</span></a> <span class="c1"># thus the recursive scope is the first section of the union.</span>
|
||||
|
|
@ -847,7 +847,7 @@
|
|||
</span><span id="L-609"><a href="#L-609"><span class="linenos">609</span></a> <span class="n">union</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-610"><a href="#L-610"><span class="linenos">610</span></a>
|
||||
</span><span id="L-611"><a href="#L-611"><span class="linenos">611</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">union</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-612"><a href="#L-612"><span class="linenos">612</span></a> <span class="n">recursive_scope</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span><span class="n">union</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">scope_type</span><span class="o">=</span><span class="n">ScopeType</span><span class="o">.</span><span class="n">CTE</span><span class="p">)</span>
|
||||
</span><span id="L-612"><a href="#L-612"><span class="linenos">612</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">cte_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span><span class="n">union</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">scope_type</span><span class="o">=</span><span class="n">ScopeType</span><span class="o">.</span><span class="n">CTE</span><span class="p">)</span>
|
||||
</span><span id="L-613"><a href="#L-613"><span class="linenos">613</span></a>
|
||||
</span><span id="L-614"><a href="#L-614"><span class="linenos">614</span></a> <span class="n">child_scope</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-615"><a href="#L-615"><span class="linenos">615</span></a>
|
||||
|
|
@ -861,233 +861,227 @@
|
|||
</span><span id="L-623"><a href="#L-623"><span class="linenos">623</span></a> <span class="p">):</span>
|
||||
</span><span id="L-624"><a href="#L-624"><span class="linenos">624</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-625"><a href="#L-625"><span class="linenos">625</span></a>
|
||||
</span><span id="L-626"><a href="#L-626"><span class="linenos">626</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-627"><a href="#L-627"><span class="linenos">627</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-628"><a href="#L-628"><span class="linenos">628</span></a>
|
||||
</span><span id="L-629"><a href="#L-629"><span class="linenos">629</span></a> <span class="k">if</span> <span class="n">recursive_scope</span><span class="p">:</span>
|
||||
</span><span id="L-630"><a href="#L-630"><span class="linenos">630</span></a> <span class="n">child_scope</span><span class="o">.</span><span class="n">add_source</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">recursive_scope</span><span class="p">)</span>
|
||||
</span><span id="L-631"><a href="#L-631"><span class="linenos">631</span></a> <span class="n">child_scope</span><span class="o">.</span><span class="n">cte_sources</span><span class="p">[</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">recursive_scope</span>
|
||||
</span><span id="L-632"><a href="#L-632"><span class="linenos">632</span></a>
|
||||
</span><span id="L-633"><a href="#L-633"><span class="linenos">633</span></a> <span class="c1"># append the final child_scope yielded</span>
|
||||
</span><span id="L-634"><a href="#L-634"><span class="linenos">634</span></a> <span class="k">if</span> <span class="n">child_scope</span><span class="p">:</span>
|
||||
</span><span id="L-635"><a href="#L-635"><span class="linenos">635</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">cte_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">child_scope</span><span class="p">)</span>
|
||||
</span><span id="L-636"><a href="#L-636"><span class="linenos">636</span></a>
|
||||
</span><span id="L-637"><a href="#L-637"><span class="linenos">637</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-638"><a href="#L-638"><span class="linenos">638</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">cte_sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-639"><a href="#L-639"><span class="linenos">639</span></a>
|
||||
</span><span id="L-640"><a href="#L-640"><span class="linenos">640</span></a>
|
||||
</span><span id="L-641"><a href="#L-641"><span class="linenos">641</span></a><span class="k">def</span> <span class="nf">_is_derived_table</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">Subquery</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
</span><span id="L-642"><a href="#L-642"><span class="linenos">642</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-643"><a href="#L-643"><span class="linenos">643</span></a><span class="sd"> We represent (tbl1 JOIN tbl2) as a Subquery, but it's not really a "derived table",</span>
|
||||
</span><span id="L-644"><a href="#L-644"><span class="linenos">644</span></a><span class="sd"> as it doesn't introduce a new scope. If an alias is present, it shadows all names</span>
|
||||
</span><span id="L-645"><a href="#L-645"><span class="linenos">645</span></a><span class="sd"> under the Subquery, so that's one exception to this rule.</span>
|
||||
</span><span id="L-646"><a href="#L-646"><span class="linenos">646</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-647"><a href="#L-647"><span class="linenos">647</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">Subquery</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">bool</span><span class="p">(</span>
|
||||
</span><span id="L-648"><a href="#L-648"><span class="linenos">648</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span> <span class="ow">or</span> <span class="nb">isinstance</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">exp</span><span class="o">.</span><span class="n">UNWRAPPED_QUERIES</span><span class="p">)</span>
|
||||
</span><span id="L-649"><a href="#L-649"><span class="linenos">649</span></a> <span class="p">)</span>
|
||||
</span><span id="L-650"><a href="#L-650"><span class="linenos">650</span></a>
|
||||
</span><span id="L-651"><a href="#L-651"><span class="linenos">651</span></a>
|
||||
</span><span id="L-652"><a href="#L-652"><span class="linenos">652</span></a><span class="k">def</span> <span class="nf">_traverse_tables</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span>
|
||||
</span><span id="L-653"><a href="#L-653"><span class="linenos">653</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-626"><a href="#L-626"><span class="linenos">626</span></a> <span class="c1"># append the final child_scope yielded</span>
|
||||
</span><span id="L-627"><a href="#L-627"><span class="linenos">627</span></a> <span class="k">if</span> <span class="n">child_scope</span><span class="p">:</span>
|
||||
</span><span id="L-628"><a href="#L-628"><span class="linenos">628</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">cte_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-629"><a href="#L-629"><span class="linenos">629</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">cte_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">child_scope</span><span class="p">)</span>
|
||||
</span><span id="L-630"><a href="#L-630"><span class="linenos">630</span></a>
|
||||
</span><span id="L-631"><a href="#L-631"><span class="linenos">631</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-632"><a href="#L-632"><span class="linenos">632</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">cte_sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-633"><a href="#L-633"><span class="linenos">633</span></a>
|
||||
</span><span id="L-634"><a href="#L-634"><span class="linenos">634</span></a>
|
||||
</span><span id="L-635"><a href="#L-635"><span class="linenos">635</span></a><span class="k">def</span> <span class="nf">_is_derived_table</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">Subquery</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span>
|
||||
</span><span id="L-636"><a href="#L-636"><span class="linenos">636</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-637"><a href="#L-637"><span class="linenos">637</span></a><span class="sd"> We represent (tbl1 JOIN tbl2) as a Subquery, but it's not really a "derived table",</span>
|
||||
</span><span id="L-638"><a href="#L-638"><span class="linenos">638</span></a><span class="sd"> as it doesn't introduce a new scope. If an alias is present, it shadows all names</span>
|
||||
</span><span id="L-639"><a href="#L-639"><span class="linenos">639</span></a><span class="sd"> under the Subquery, so that's one exception to this rule.</span>
|
||||
</span><span id="L-640"><a href="#L-640"><span class="linenos">640</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-641"><a href="#L-641"><span class="linenos">641</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">Subquery</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">bool</span><span class="p">(</span>
|
||||
</span><span id="L-642"><a href="#L-642"><span class="linenos">642</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span> <span class="ow">or</span> <span class="nb">isinstance</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">exp</span><span class="o">.</span><span class="n">UNWRAPPED_QUERIES</span><span class="p">)</span>
|
||||
</span><span id="L-643"><a href="#L-643"><span class="linenos">643</span></a> <span class="p">)</span>
|
||||
</span><span id="L-644"><a href="#L-644"><span class="linenos">644</span></a>
|
||||
</span><span id="L-645"><a href="#L-645"><span class="linenos">645</span></a>
|
||||
</span><span id="L-646"><a href="#L-646"><span class="linenos">646</span></a><span class="k">def</span> <span class="nf">_traverse_tables</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span>
|
||||
</span><span id="L-647"><a href="#L-647"><span class="linenos">647</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-648"><a href="#L-648"><span class="linenos">648</span></a>
|
||||
</span><span id="L-649"><a href="#L-649"><span class="linenos">649</span></a> <span class="c1"># Traverse FROMs, JOINs, and LATERALs in the order they are defined</span>
|
||||
</span><span id="L-650"><a href="#L-650"><span class="linenos">650</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-651"><a href="#L-651"><span class="linenos">651</span></a> <span class="n">from_</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">"from"</span><span class="p">)</span>
|
||||
</span><span id="L-652"><a href="#L-652"><span class="linenos">652</span></a> <span class="k">if</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="L-653"><a href="#L-653"><span class="linenos">653</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">from_</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-654"><a href="#L-654"><span class="linenos">654</span></a>
|
||||
</span><span id="L-655"><a href="#L-655"><span class="linenos">655</span></a> <span class="c1"># Traverse FROMs, JOINs, and LATERALs in the order they are defined</span>
|
||||
</span><span id="L-656"><a href="#L-656"><span class="linenos">656</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-657"><a href="#L-657"><span class="linenos">657</span></a> <span class="n">from_</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">"from"</span><span class="p">)</span>
|
||||
</span><span id="L-658"><a href="#L-658"><span class="linenos">658</span></a> <span class="k">if</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="L-659"><a href="#L-659"><span class="linenos">659</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">from_</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-655"><a href="#L-655"><span class="linenos">655</span></a> <span class="k">for</span> <span class="n">join</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">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-656"><a href="#L-656"><span class="linenos">656</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-657"><a href="#L-657"><span class="linenos">657</span></a>
|
||||
</span><span id="L-658"><a href="#L-658"><span class="linenos">658</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">Table</span><span class="p">):</span>
|
||||
</span><span id="L-659"><a href="#L-659"><span class="linenos">659</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-660"><a href="#L-660"><span class="linenos">660</span></a>
|
||||
</span><span id="L-661"><a href="#L-661"><span class="linenos">661</span></a> <span class="k">for</span> <span class="n">join</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">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-662"><a href="#L-662"><span class="linenos">662</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-663"><a href="#L-663"><span class="linenos">663</span></a>
|
||||
</span><span id="L-664"><a href="#L-664"><span class="linenos">664</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">Table</span><span class="p">):</span>
|
||||
</span><span id="L-665"><a href="#L-665"><span class="linenos">665</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-666"><a href="#L-666"><span class="linenos">666</span></a>
|
||||
</span><span id="L-667"><a href="#L-667"><span class="linenos">667</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</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">"laterals"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-668"><a href="#L-668"><span class="linenos">668</span></a>
|
||||
</span><span id="L-669"><a href="#L-669"><span class="linenos">669</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-670"><a href="#L-670"><span class="linenos">670</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">Table</span><span class="p">):</span>
|
||||
</span><span id="L-671"><a href="#L-671"><span class="linenos">671</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-672"><a href="#L-672"><span class="linenos">672</span></a> <span class="n">source_name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-673"><a href="#L-673"><span class="linenos">673</span></a>
|
||||
</span><span id="L-674"><a href="#L-674"><span class="linenos">674</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">db</span><span class="p">:</span>
|
||||
</span><span id="L-675"><a href="#L-675"><span class="linenos">675</span></a> <span class="c1"># This is a reference to a parent source (e.g. a CTE), not an actual table, unless</span>
|
||||
</span><span id="L-676"><a href="#L-676"><span class="linenos">676</span></a> <span class="c1"># it is pivoted, because then we get back a new table and hence a new source.</span>
|
||||
</span><span id="L-677"><a href="#L-677"><span class="linenos">677</span></a> <span class="n">pivots</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">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="L-678"><a href="#L-678"><span class="linenos">678</span></a> <span class="k">if</span> <span class="n">pivots</span><span class="p">:</span>
|
||||
</span><span id="L-679"><a href="#L-679"><span class="linenos">679</span></a> <span class="n">sources</span><span class="p">[</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 class="o">=</span> <span class="n">expression</span>
|
||||
</span><span id="L-680"><a href="#L-680"><span class="linenos">680</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-681"><a href="#L-681"><span class="linenos">681</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">source_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span>
|
||||
</span><span id="L-682"><a href="#L-682"><span class="linenos">682</span></a> <span class="k">elif</span> <span class="n">source_name</span> <span class="ow">in</span> <span class="n">sources</span><span class="p">:</span>
|
||||
</span><span id="L-683"><a href="#L-683"><span class="linenos">683</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">find_new_name</span><span class="p">(</span><span class="n">sources</span><span class="p">,</span> <span class="n">table_name</span><span class="p">)]</span> <span class="o">=</span> <span class="n">expression</span>
|
||||
</span><span id="L-684"><a href="#L-684"><span class="linenos">684</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-685"><a href="#L-685"><span class="linenos">685</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">source_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">expression</span>
|
||||
</span><span id="L-661"><a href="#L-661"><span class="linenos">661</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</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">"laterals"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-662"><a href="#L-662"><span class="linenos">662</span></a>
|
||||
</span><span id="L-663"><a href="#L-663"><span class="linenos">663</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-664"><a href="#L-664"><span class="linenos">664</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">Table</span><span class="p">):</span>
|
||||
</span><span id="L-665"><a href="#L-665"><span class="linenos">665</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-666"><a href="#L-666"><span class="linenos">666</span></a> <span class="n">source_name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-667"><a href="#L-667"><span class="linenos">667</span></a>
|
||||
</span><span id="L-668"><a href="#L-668"><span class="linenos">668</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">db</span><span class="p">:</span>
|
||||
</span><span id="L-669"><a href="#L-669"><span class="linenos">669</span></a> <span class="c1"># This is a reference to a parent source (e.g. a CTE), not an actual table, unless</span>
|
||||
</span><span id="L-670"><a href="#L-670"><span class="linenos">670</span></a> <span class="c1"># it is pivoted, because then we get back a new table and hence a new source.</span>
|
||||
</span><span id="L-671"><a href="#L-671"><span class="linenos">671</span></a> <span class="n">pivots</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">"pivots"</span><span class="p">)</span>
|
||||
</span><span id="L-672"><a href="#L-672"><span class="linenos">672</span></a> <span class="k">if</span> <span class="n">pivots</span><span class="p">:</span>
|
||||
</span><span id="L-673"><a href="#L-673"><span class="linenos">673</span></a> <span class="n">sources</span><span class="p">[</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 class="o">=</span> <span class="n">expression</span>
|
||||
</span><span id="L-674"><a href="#L-674"><span class="linenos">674</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-675"><a href="#L-675"><span class="linenos">675</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">source_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span>
|
||||
</span><span id="L-676"><a href="#L-676"><span class="linenos">676</span></a> <span class="k">elif</span> <span class="n">source_name</span> <span class="ow">in</span> <span class="n">sources</span><span class="p">:</span>
|
||||
</span><span id="L-677"><a href="#L-677"><span class="linenos">677</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">find_new_name</span><span class="p">(</span><span class="n">sources</span><span class="p">,</span> <span class="n">table_name</span><span class="p">)]</span> <span class="o">=</span> <span class="n">expression</span>
|
||||
</span><span id="L-678"><a href="#L-678"><span class="linenos">678</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-679"><a href="#L-679"><span class="linenos">679</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">source_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">expression</span>
|
||||
</span><span id="L-680"><a href="#L-680"><span class="linenos">680</span></a>
|
||||
</span><span id="L-681"><a href="#L-681"><span class="linenos">681</span></a> <span class="c1"># Make sure to not include the joins twice</span>
|
||||
</span><span id="L-682"><a href="#L-682"><span class="linenos">682</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="L-683"><a href="#L-683"><span class="linenos">683</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</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">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-684"><a href="#L-684"><span class="linenos">684</span></a>
|
||||
</span><span id="L-685"><a href="#L-685"><span class="linenos">685</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-686"><a href="#L-686"><span class="linenos">686</span></a>
|
||||
</span><span id="L-687"><a href="#L-687"><span class="linenos">687</span></a> <span class="c1"># Make sure to not include the joins twice</span>
|
||||
</span><span id="L-688"><a href="#L-688"><span class="linenos">688</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="L-689"><a href="#L-689"><span class="linenos">689</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</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">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-690"><a href="#L-690"><span class="linenos">690</span></a>
|
||||
</span><span id="L-691"><a href="#L-691"><span class="linenos">691</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-692"><a href="#L-692"><span class="linenos">692</span></a>
|
||||
</span><span id="L-693"><a href="#L-693"><span class="linenos">693</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">DerivedTable</span><span class="p">):</span>
|
||||
</span><span id="L-694"><a href="#L-694"><span class="linenos">694</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-695"><a href="#L-695"><span class="linenos">695</span></a>
|
||||
</span><span id="L-696"><a href="#L-696"><span class="linenos">696</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">UDTF</span><span class="p">):</span>
|
||||
</span><span id="L-697"><a href="#L-697"><span class="linenos">697</span></a> <span class="n">lateral_sources</span> <span class="o">=</span> <span class="n">sources</span>
|
||||
</span><span id="L-698"><a href="#L-698"><span class="linenos">698</span></a> <span class="n">scope_type</span> <span class="o">=</span> <span class="n">ScopeType</span><span class="o">.</span><span class="n">UDTF</span>
|
||||
</span><span id="L-699"><a href="#L-699"><span class="linenos">699</span></a> <span class="n">scopes</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">udtf_scopes</span>
|
||||
</span><span id="L-700"><a href="#L-700"><span class="linenos">700</span></a> <span class="k">elif</span> <span class="n">_is_derived_table</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-701"><a href="#L-701"><span class="linenos">701</span></a> <span class="n">lateral_sources</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-702"><a href="#L-702"><span class="linenos">702</span></a> <span class="n">scope_type</span> <span class="o">=</span> <span class="n">ScopeType</span><span class="o">.</span><span class="n">DERIVED_TABLE</span>
|
||||
</span><span id="L-703"><a href="#L-703"><span class="linenos">703</span></a> <span class="n">scopes</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">derived_table_scopes</span>
|
||||
</span><span id="L-704"><a href="#L-704"><span class="linenos">704</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</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">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-705"><a href="#L-705"><span class="linenos">705</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-706"><a href="#L-706"><span class="linenos">706</span></a> <span class="c1"># Makes sure we check for possible sources in nested table constructs</span>
|
||||
</span><span id="L-707"><a href="#L-707"><span class="linenos">707</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</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-708"><a href="#L-708"><span class="linenos">708</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</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">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-709"><a href="#L-709"><span class="linenos">709</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-710"><a href="#L-710"><span class="linenos">710</span></a>
|
||||
</span><span id="L-711"><a href="#L-711"><span class="linenos">711</span></a> <span class="k">for</span> <span class="n">child_scope</span> <span class="ow">in</span> <span class="n">_traverse_scope</span><span class="p">(</span>
|
||||
</span><span id="L-712"><a href="#L-712"><span class="linenos">712</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span>
|
||||
</span><span id="L-713"><a href="#L-713"><span class="linenos">713</span></a> <span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="L-714"><a href="#L-714"><span class="linenos">714</span></a> <span class="n">lateral_sources</span><span class="o">=</span><span class="n">lateral_sources</span><span class="p">,</span>
|
||||
</span><span id="L-715"><a href="#L-715"><span class="linenos">715</span></a> <span class="n">outer_columns</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span>
|
||||
</span><span id="L-716"><a href="#L-716"><span class="linenos">716</span></a> <span class="n">scope_type</span><span class="o">=</span><span class="n">scope_type</span><span class="p">,</span>
|
||||
</span><span id="L-717"><a href="#L-717"><span class="linenos">717</span></a> <span class="p">)</span>
|
||||
</span><span id="L-718"><a href="#L-718"><span class="linenos">718</span></a> <span class="p">):</span>
|
||||
</span><span id="L-719"><a href="#L-719"><span class="linenos">719</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-687"><a href="#L-687"><span class="linenos">687</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">DerivedTable</span><span class="p">):</span>
|
||||
</span><span id="L-688"><a href="#L-688"><span class="linenos">688</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-689"><a href="#L-689"><span class="linenos">689</span></a>
|
||||
</span><span id="L-690"><a href="#L-690"><span class="linenos">690</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">UDTF</span><span class="p">):</span>
|
||||
</span><span id="L-691"><a href="#L-691"><span class="linenos">691</span></a> <span class="n">lateral_sources</span> <span class="o">=</span> <span class="n">sources</span>
|
||||
</span><span id="L-692"><a href="#L-692"><span class="linenos">692</span></a> <span class="n">scope_type</span> <span class="o">=</span> <span class="n">ScopeType</span><span class="o">.</span><span class="n">UDTF</span>
|
||||
</span><span id="L-693"><a href="#L-693"><span class="linenos">693</span></a> <span class="n">scopes</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">udtf_scopes</span>
|
||||
</span><span id="L-694"><a href="#L-694"><span class="linenos">694</span></a> <span class="k">elif</span> <span class="n">_is_derived_table</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-695"><a href="#L-695"><span class="linenos">695</span></a> <span class="n">lateral_sources</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-696"><a href="#L-696"><span class="linenos">696</span></a> <span class="n">scope_type</span> <span class="o">=</span> <span class="n">ScopeType</span><span class="o">.</span><span class="n">DERIVED_TABLE</span>
|
||||
</span><span id="L-697"><a href="#L-697"><span class="linenos">697</span></a> <span class="n">scopes</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">derived_table_scopes</span>
|
||||
</span><span id="L-698"><a href="#L-698"><span class="linenos">698</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</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">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-699"><a href="#L-699"><span class="linenos">699</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-700"><a href="#L-700"><span class="linenos">700</span></a> <span class="c1"># Makes sure we check for possible sources in nested table constructs</span>
|
||||
</span><span id="L-701"><a href="#L-701"><span class="linenos">701</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">append</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-702"><a href="#L-702"><span class="linenos">702</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</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">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[])</span>
|
||||
</span><span id="L-703"><a href="#L-703"><span class="linenos">703</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-704"><a href="#L-704"><span class="linenos">704</span></a>
|
||||
</span><span id="L-705"><a href="#L-705"><span class="linenos">705</span></a> <span class="k">for</span> <span class="n">child_scope</span> <span class="ow">in</span> <span class="n">_traverse_scope</span><span class="p">(</span>
|
||||
</span><span id="L-706"><a href="#L-706"><span class="linenos">706</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span>
|
||||
</span><span id="L-707"><a href="#L-707"><span class="linenos">707</span></a> <span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="L-708"><a href="#L-708"><span class="linenos">708</span></a> <span class="n">lateral_sources</span><span class="o">=</span><span class="n">lateral_sources</span><span class="p">,</span>
|
||||
</span><span id="L-709"><a href="#L-709"><span class="linenos">709</span></a> <span class="n">outer_columns</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span>
|
||||
</span><span id="L-710"><a href="#L-710"><span class="linenos">710</span></a> <span class="n">scope_type</span><span class="o">=</span><span class="n">scope_type</span><span class="p">,</span>
|
||||
</span><span id="L-711"><a href="#L-711"><span class="linenos">711</span></a> <span class="p">)</span>
|
||||
</span><span id="L-712"><a href="#L-712"><span class="linenos">712</span></a> <span class="p">):</span>
|
||||
</span><span id="L-713"><a href="#L-713"><span class="linenos">713</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-714"><a href="#L-714"><span class="linenos">714</span></a>
|
||||
</span><span id="L-715"><a href="#L-715"><span class="linenos">715</span></a> <span class="c1"># Tables without aliases will be set as ""</span>
|
||||
</span><span id="L-716"><a href="#L-716"><span class="linenos">716</span></a> <span class="c1"># This shouldn't be a problem once qualify_columns runs, as it adds aliases on everything.</span>
|
||||
</span><span id="L-717"><a href="#L-717"><span class="linenos">717</span></a> <span class="c1"># Until then, this means that only a single, unaliased derived table is allowed (rather,</span>
|
||||
</span><span id="L-718"><a href="#L-718"><span class="linenos">718</span></a> <span class="c1"># the latest one wins.</span>
|
||||
</span><span id="L-719"><a href="#L-719"><span class="linenos">719</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-720"><a href="#L-720"><span class="linenos">720</span></a>
|
||||
</span><span id="L-721"><a href="#L-721"><span class="linenos">721</span></a> <span class="c1"># Tables without aliases will be set as ""</span>
|
||||
</span><span id="L-722"><a href="#L-722"><span class="linenos">722</span></a> <span class="c1"># This shouldn't be a problem once qualify_columns runs, as it adds aliases on everything.</span>
|
||||
</span><span id="L-723"><a href="#L-723"><span class="linenos">723</span></a> <span class="c1"># Until then, this means that only a single, unaliased derived table is allowed (rather,</span>
|
||||
</span><span id="L-724"><a href="#L-724"><span class="linenos">724</span></a> <span class="c1"># the latest one wins.</span>
|
||||
</span><span id="L-725"><a href="#L-725"><span class="linenos">725</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-721"><a href="#L-721"><span class="linenos">721</span></a> <span class="c1"># append the final child_scope yielded</span>
|
||||
</span><span id="L-722"><a href="#L-722"><span class="linenos">722</span></a> <span class="n">scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">child_scope</span><span class="p">)</span>
|
||||
</span><span id="L-723"><a href="#L-723"><span class="linenos">723</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">table_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">child_scope</span><span class="p">)</span>
|
||||
</span><span id="L-724"><a href="#L-724"><span class="linenos">724</span></a>
|
||||
</span><span id="L-725"><a href="#L-725"><span class="linenos">725</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-726"><a href="#L-726"><span class="linenos">726</span></a>
|
||||
</span><span id="L-727"><a href="#L-727"><span class="linenos">727</span></a> <span class="c1"># append the final child_scope yielded</span>
|
||||
</span><span id="L-728"><a href="#L-728"><span class="linenos">728</span></a> <span class="n">scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">child_scope</span><span class="p">)</span>
|
||||
</span><span id="L-729"><a href="#L-729"><span class="linenos">729</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">table_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">child_scope</span><span class="p">)</span>
|
||||
</span><span id="L-730"><a href="#L-730"><span class="linenos">730</span></a>
|
||||
</span><span id="L-731"><a href="#L-731"><span class="linenos">731</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-732"><a href="#L-732"><span class="linenos">732</span></a>
|
||||
</span><span id="L-733"><a href="#L-733"><span class="linenos">733</span></a>
|
||||
</span><span id="L-734"><a href="#L-734"><span class="linenos">734</span></a><span class="k">def</span> <span class="nf">_traverse_subqueries</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span>
|
||||
</span><span id="L-735"><a href="#L-735"><span class="linenos">735</span></a> <span class="k">for</span> <span class="n">subquery</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">subqueries</span><span class="p">:</span>
|
||||
</span><span id="L-736"><a href="#L-736"><span class="linenos">736</span></a> <span class="n">top</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-737"><a href="#L-737"><span class="linenos">737</span></a> <span class="k">for</span> <span class="n">child_scope</span> <span class="ow">in</span> <span class="n">_traverse_scope</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span><span class="n">subquery</span><span class="p">,</span> <span class="n">scope_type</span><span class="o">=</span><span class="n">ScopeType</span><span class="o">.</span><span class="n">SUBQUERY</span><span class="p">)):</span>
|
||||
</span><span id="L-738"><a href="#L-738"><span class="linenos">738</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-739"><a href="#L-739"><span class="linenos">739</span></a> <span class="n">top</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-740"><a href="#L-740"><span class="linenos">740</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">subquery_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">top</span><span class="p">)</span>
|
||||
</span><span id="L-741"><a href="#L-741"><span class="linenos">741</span></a>
|
||||
</span><span id="L-742"><a href="#L-742"><span class="linenos">742</span></a>
|
||||
</span><span id="L-743"><a href="#L-743"><span class="linenos">743</span></a><span class="k">def</span> <span class="nf">_traverse_udtfs</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span>
|
||||
</span><span id="L-744"><a href="#L-744"><span class="linenos">744</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">Unnest</span><span class="p">):</span>
|
||||
</span><span id="L-745"><a href="#L-745"><span class="linenos">745</span></a> <span class="n">expressions</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">expressions</span>
|
||||
</span><span id="L-746"><a href="#L-746"><span class="linenos">746</span></a> <span class="k">elif</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">Lateral</span><span class="p">):</span>
|
||||
</span><span id="L-747"><a href="#L-747"><span class="linenos">747</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">]</span>
|
||||
</span><span id="L-748"><a href="#L-748"><span class="linenos">748</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-749"><a href="#L-749"><span class="linenos">749</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-750"><a href="#L-750"><span class="linenos">750</span></a>
|
||||
</span><span id="L-751"><a href="#L-751"><span class="linenos">751</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-752"><a href="#L-752"><span class="linenos">752</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-753"><a href="#L-753"><span class="linenos">753</span></a> <span class="k">if</span> <span class="n">_is_derived_table</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-754"><a href="#L-754"><span class="linenos">754</span></a> <span class="n">top</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-755"><a href="#L-755"><span class="linenos">755</span></a> <span class="k">for</span> <span class="n">child_scope</span> <span class="ow">in</span> <span class="n">_traverse_scope</span><span class="p">(</span>
|
||||
</span><span id="L-756"><a href="#L-756"><span class="linenos">756</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span>
|
||||
</span><span id="L-757"><a href="#L-757"><span class="linenos">757</span></a> <span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="L-758"><a href="#L-758"><span class="linenos">758</span></a> <span class="n">scope_type</span><span class="o">=</span><span class="n">ScopeType</span><span class="o">.</span><span class="n">DERIVED_TABLE</span><span class="p">,</span>
|
||||
</span><span id="L-759"><a href="#L-759"><span class="linenos">759</span></a> <span class="n">outer_columns</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span>
|
||||
</span><span id="L-760"><a href="#L-760"><span class="linenos">760</span></a> <span class="p">)</span>
|
||||
</span><span id="L-761"><a href="#L-761"><span class="linenos">761</span></a> <span class="p">):</span>
|
||||
</span><span id="L-762"><a href="#L-762"><span class="linenos">762</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-763"><a href="#L-763"><span class="linenos">763</span></a> <span class="n">top</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-764"><a href="#L-764"><span class="linenos">764</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-727"><a href="#L-727"><span class="linenos">727</span></a>
|
||||
</span><span id="L-728"><a href="#L-728"><span class="linenos">728</span></a><span class="k">def</span> <span class="nf">_traverse_subqueries</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span>
|
||||
</span><span id="L-729"><a href="#L-729"><span class="linenos">729</span></a> <span class="k">for</span> <span class="n">subquery</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">subqueries</span><span class="p">:</span>
|
||||
</span><span id="L-730"><a href="#L-730"><span class="linenos">730</span></a> <span class="n">top</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-731"><a href="#L-731"><span class="linenos">731</span></a> <span class="k">for</span> <span class="n">child_scope</span> <span class="ow">in</span> <span class="n">_traverse_scope</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span><span class="n">subquery</span><span class="p">,</span> <span class="n">scope_type</span><span class="o">=</span><span class="n">ScopeType</span><span class="o">.</span><span class="n">SUBQUERY</span><span class="p">)):</span>
|
||||
</span><span id="L-732"><a href="#L-732"><span class="linenos">732</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-733"><a href="#L-733"><span class="linenos">733</span></a> <span class="n">top</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-734"><a href="#L-734"><span class="linenos">734</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">subquery_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">top</span><span class="p">)</span>
|
||||
</span><span id="L-735"><a href="#L-735"><span class="linenos">735</span></a>
|
||||
</span><span id="L-736"><a href="#L-736"><span class="linenos">736</span></a>
|
||||
</span><span id="L-737"><a href="#L-737"><span class="linenos">737</span></a><span class="k">def</span> <span class="nf">_traverse_udtfs</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span>
|
||||
</span><span id="L-738"><a href="#L-738"><span class="linenos">738</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">Unnest</span><span class="p">):</span>
|
||||
</span><span id="L-739"><a href="#L-739"><span class="linenos">739</span></a> <span class="n">expressions</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">expressions</span>
|
||||
</span><span id="L-740"><a href="#L-740"><span class="linenos">740</span></a> <span class="k">elif</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">Lateral</span><span class="p">):</span>
|
||||
</span><span id="L-741"><a href="#L-741"><span class="linenos">741</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">]</span>
|
||||
</span><span id="L-742"><a href="#L-742"><span class="linenos">742</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-743"><a href="#L-743"><span class="linenos">743</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-744"><a href="#L-744"><span class="linenos">744</span></a>
|
||||
</span><span id="L-745"><a href="#L-745"><span class="linenos">745</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-746"><a href="#L-746"><span class="linenos">746</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-747"><a href="#L-747"><span class="linenos">747</span></a> <span class="k">if</span> <span class="n">_is_derived_table</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-748"><a href="#L-748"><span class="linenos">748</span></a> <span class="n">top</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-749"><a href="#L-749"><span class="linenos">749</span></a> <span class="k">for</span> <span class="n">child_scope</span> <span class="ow">in</span> <span class="n">_traverse_scope</span><span class="p">(</span>
|
||||
</span><span id="L-750"><a href="#L-750"><span class="linenos">750</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">branch</span><span class="p">(</span>
|
||||
</span><span id="L-751"><a href="#L-751"><span class="linenos">751</span></a> <span class="n">expression</span><span class="p">,</span>
|
||||
</span><span id="L-752"><a href="#L-752"><span class="linenos">752</span></a> <span class="n">scope_type</span><span class="o">=</span><span class="n">ScopeType</span><span class="o">.</span><span class="n">DERIVED_TABLE</span><span class="p">,</span>
|
||||
</span><span id="L-753"><a href="#L-753"><span class="linenos">753</span></a> <span class="n">outer_columns</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span>
|
||||
</span><span id="L-754"><a href="#L-754"><span class="linenos">754</span></a> <span class="p">)</span>
|
||||
</span><span id="L-755"><a href="#L-755"><span class="linenos">755</span></a> <span class="p">):</span>
|
||||
</span><span id="L-756"><a href="#L-756"><span class="linenos">756</span></a> <span class="k">yield</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-757"><a href="#L-757"><span class="linenos">757</span></a> <span class="n">top</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-758"><a href="#L-758"><span class="linenos">758</span></a> <span class="n">sources</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">child_scope</span>
|
||||
</span><span id="L-759"><a href="#L-759"><span class="linenos">759</span></a>
|
||||
</span><span id="L-760"><a href="#L-760"><span class="linenos">760</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">derived_table_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">top</span><span class="p">)</span>
|
||||
</span><span id="L-761"><a href="#L-761"><span class="linenos">761</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">table_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">top</span><span class="p">)</span>
|
||||
</span><span id="L-762"><a href="#L-762"><span class="linenos">762</span></a>
|
||||
</span><span id="L-763"><a href="#L-763"><span class="linenos">763</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-764"><a href="#L-764"><span class="linenos">764</span></a>
|
||||
</span><span id="L-765"><a href="#L-765"><span class="linenos">765</span></a>
|
||||
</span><span id="L-766"><a href="#L-766"><span class="linenos">766</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">derived_table_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">top</span><span class="p">)</span>
|
||||
</span><span id="L-767"><a href="#L-767"><span class="linenos">767</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">table_scopes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">top</span><span class="p">)</span>
|
||||
</span><span id="L-768"><a href="#L-768"><span class="linenos">768</span></a>
|
||||
</span><span id="L-769"><a href="#L-769"><span class="linenos">769</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">sources</span><span class="p">)</span>
|
||||
</span><span id="L-766"><a href="#L-766"><span class="linenos">766</span></a><span class="k">def</span> <span class="nf">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">prune</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="L-767"><a href="#L-767"><span class="linenos">767</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-768"><a href="#L-768"><span class="linenos">768</span></a><span class="sd"> Returns a generator object which visits all nodes in the syntrax tree, stopping at</span>
|
||||
</span><span id="L-769"><a href="#L-769"><span class="linenos">769</span></a><span class="sd"> nodes that start child scopes.</span>
|
||||
</span><span id="L-770"><a href="#L-770"><span class="linenos">770</span></a>
|
||||
</span><span id="L-771"><a href="#L-771"><span class="linenos">771</span></a>
|
||||
</span><span id="L-772"><a href="#L-772"><span class="linenos">772</span></a><span class="k">def</span> <span class="nf">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">prune</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="L-773"><a href="#L-773"><span class="linenos">773</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-774"><a href="#L-774"><span class="linenos">774</span></a><span class="sd"> Returns a generator object which visits all nodes in the syntrax tree, stopping at</span>
|
||||
</span><span id="L-775"><a href="#L-775"><span class="linenos">775</span></a><span class="sd"> nodes that start child scopes.</span>
|
||||
</span><span id="L-776"><a href="#L-776"><span class="linenos">776</span></a>
|
||||
</span><span id="L-777"><a href="#L-777"><span class="linenos">777</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-778"><a href="#L-778"><span class="linenos">778</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="L-779"><a href="#L-779"><span class="linenos">779</span></a><span class="sd"> bfs (bool): if set to True the BFS traversal order will be applied,</span>
|
||||
</span><span id="L-780"><a href="#L-780"><span class="linenos">780</span></a><span class="sd"> otherwise the DFS traversal will be used instead.</span>
|
||||
</span><span id="L-781"><a href="#L-781"><span class="linenos">781</span></a><span class="sd"> prune ((node, parent, arg_key) -> bool): callable that returns True if</span>
|
||||
</span><span id="L-782"><a href="#L-782"><span class="linenos">782</span></a><span class="sd"> the generator should stop traversing this branch of the tree.</span>
|
||||
</span><span id="L-783"><a href="#L-783"><span class="linenos">783</span></a>
|
||||
</span><span id="L-784"><a href="#L-784"><span class="linenos">784</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="L-785"><a href="#L-785"><span class="linenos">785</span></a><span class="sd"> tuple[exp.Expression, Optional[exp.Expression], str]: node, parent, arg key</span>
|
||||
</span><span id="L-786"><a href="#L-786"><span class="linenos">786</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-787"><a href="#L-787"><span class="linenos">787</span></a> <span class="c1"># We'll use this variable to pass state into the dfs generator.</span>
|
||||
</span><span id="L-788"><a href="#L-788"><span class="linenos">788</span></a> <span class="c1"># Whenever we set it to True, we exclude a subtree from traversal.</span>
|
||||
</span><span id="L-789"><a href="#L-789"><span class="linenos">789</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-790"><a href="#L-790"><span class="linenos">790</span></a>
|
||||
</span><span id="L-791"><a href="#L-791"><span class="linenos">791</span></a> <span class="k">for</span> <span class="n">node</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><span id="L-792"><a href="#L-792"><span class="linenos">792</span></a> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</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="n">crossed_scope_boundary</span> <span class="ow">or</span> <span class="p">(</span><span class="n">prune</span> <span class="ow">and</span> <span class="n">prune</span><span class="p">(</span><span class="n">n</span><span class="p">))</span>
|
||||
</span><span id="L-793"><a href="#L-793"><span class="linenos">793</span></a> <span class="p">):</span>
|
||||
</span><span id="L-794"><a href="#L-794"><span class="linenos">794</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-795"><a href="#L-795"><span class="linenos">795</span></a>
|
||||
</span><span id="L-796"><a href="#L-796"><span class="linenos">796</span></a> <span class="k">yield</span> <span class="n">node</span>
|
||||
</span><span id="L-797"><a href="#L-797"><span class="linenos">797</span></a>
|
||||
</span><span id="L-798"><a href="#L-798"><span class="linenos">798</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">is</span> <span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="L-799"><a href="#L-799"><span class="linenos">799</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-800"><a href="#L-800"><span class="linenos">800</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-801"><a href="#L-801"><span class="linenos">801</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">CTE</span><span class="p">)</span>
|
||||
</span><span id="L-802"><a href="#L-802"><span class="linenos">802</span></a> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="L-803"><a href="#L-803"><span class="linenos">803</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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 class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">))</span>
|
||||
</span><span id="L-804"><a href="#L-804"><span class="linenos">804</span></a> <span class="ow">and</span> <span class="p">(</span><span class="n">_is_derived_table</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> <span class="ow">or</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">UDTF</span><span class="p">))</span>
|
||||
</span><span id="L-805"><a href="#L-805"><span class="linenos">805</span></a> <span class="p">)</span>
|
||||
</span><span id="L-806"><a href="#L-806"><span class="linenos">806</span></a> <span class="ow">or</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">UNWRAPPED_QUERIES</span><span class="p">)</span>
|
||||
</span><span id="L-807"><a href="#L-807"><span class="linenos">807</span></a> <span class="p">):</span>
|
||||
</span><span id="L-808"><a href="#L-808"><span class="linenos">808</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-771"><a href="#L-771"><span class="linenos">771</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-772"><a href="#L-772"><span class="linenos">772</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="L-773"><a href="#L-773"><span class="linenos">773</span></a><span class="sd"> bfs (bool): if set to True the BFS traversal order will be applied,</span>
|
||||
</span><span id="L-774"><a href="#L-774"><span class="linenos">774</span></a><span class="sd"> otherwise the DFS traversal will be used instead.</span>
|
||||
</span><span id="L-775"><a href="#L-775"><span class="linenos">775</span></a><span class="sd"> prune ((node, parent, arg_key) -> bool): callable that returns True if</span>
|
||||
</span><span id="L-776"><a href="#L-776"><span class="linenos">776</span></a><span class="sd"> the generator should stop traversing this branch of the tree.</span>
|
||||
</span><span id="L-777"><a href="#L-777"><span class="linenos">777</span></a>
|
||||
</span><span id="L-778"><a href="#L-778"><span class="linenos">778</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="L-779"><a href="#L-779"><span class="linenos">779</span></a><span class="sd"> tuple[exp.Expression, Optional[exp.Expression], str]: node, parent, arg key</span>
|
||||
</span><span id="L-780"><a href="#L-780"><span class="linenos">780</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-781"><a href="#L-781"><span class="linenos">781</span></a> <span class="c1"># We'll use this variable to pass state into the dfs generator.</span>
|
||||
</span><span id="L-782"><a href="#L-782"><span class="linenos">782</span></a> <span class="c1"># Whenever we set it to True, we exclude a subtree from traversal.</span>
|
||||
</span><span id="L-783"><a href="#L-783"><span class="linenos">783</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-784"><a href="#L-784"><span class="linenos">784</span></a>
|
||||
</span><span id="L-785"><a href="#L-785"><span class="linenos">785</span></a> <span class="k">for</span> <span class="n">node</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><span id="L-786"><a href="#L-786"><span class="linenos">786</span></a> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</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="n">crossed_scope_boundary</span> <span class="ow">or</span> <span class="p">(</span><span class="n">prune</span> <span class="ow">and</span> <span class="n">prune</span><span class="p">(</span><span class="n">n</span><span class="p">))</span>
|
||||
</span><span id="L-787"><a href="#L-787"><span class="linenos">787</span></a> <span class="p">):</span>
|
||||
</span><span id="L-788"><a href="#L-788"><span class="linenos">788</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-789"><a href="#L-789"><span class="linenos">789</span></a>
|
||||
</span><span id="L-790"><a href="#L-790"><span class="linenos">790</span></a> <span class="k">yield</span> <span class="n">node</span>
|
||||
</span><span id="L-791"><a href="#L-791"><span class="linenos">791</span></a>
|
||||
</span><span id="L-792"><a href="#L-792"><span class="linenos">792</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">is</span> <span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="L-793"><a href="#L-793"><span class="linenos">793</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-794"><a href="#L-794"><span class="linenos">794</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-795"><a href="#L-795"><span class="linenos">795</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">CTE</span><span class="p">)</span>
|
||||
</span><span id="L-796"><a href="#L-796"><span class="linenos">796</span></a> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="L-797"><a href="#L-797"><span class="linenos">797</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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 class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">))</span>
|
||||
</span><span id="L-798"><a href="#L-798"><span class="linenos">798</span></a> <span class="ow">and</span> <span class="p">(</span><span class="n">_is_derived_table</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> <span class="ow">or</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">UDTF</span><span class="p">))</span>
|
||||
</span><span id="L-799"><a href="#L-799"><span class="linenos">799</span></a> <span class="p">)</span>
|
||||
</span><span id="L-800"><a href="#L-800"><span class="linenos">800</span></a> <span class="ow">or</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">UNWRAPPED_QUERIES</span><span class="p">)</span>
|
||||
</span><span id="L-801"><a href="#L-801"><span class="linenos">801</span></a> <span class="p">):</span>
|
||||
</span><span id="L-802"><a href="#L-802"><span class="linenos">802</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-803"><a href="#L-803"><span class="linenos">803</span></a>
|
||||
</span><span id="L-804"><a href="#L-804"><span class="linenos">804</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="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">UDTF</span><span class="p">)):</span>
|
||||
</span><span id="L-805"><a href="#L-805"><span class="linenos">805</span></a> <span class="c1"># The following args are not actually in the inner scope, so we should visit them</span>
|
||||
</span><span id="L-806"><a href="#L-806"><span class="linenos">806</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="s2">"laterals"</span><span class="p">,</span> <span class="s2">"pivots"</span><span class="p">):</span>
|
||||
</span><span id="L-807"><a href="#L-807"><span class="linenos">807</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</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="n">key</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="L-808"><a href="#L-808"><span class="linenos">808</span></a> <span class="k">yield from</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">)</span>
|
||||
</span><span id="L-809"><a href="#L-809"><span class="linenos">809</span></a>
|
||||
</span><span id="L-810"><a href="#L-810"><span class="linenos">810</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="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">UDTF</span><span class="p">)):</span>
|
||||
</span><span id="L-811"><a href="#L-811"><span class="linenos">811</span></a> <span class="c1"># The following args are not actually in the inner scope, so we should visit them</span>
|
||||
</span><span id="L-812"><a href="#L-812"><span class="linenos">812</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="s2">"laterals"</span><span class="p">,</span> <span class="s2">"pivots"</span><span class="p">):</span>
|
||||
</span><span id="L-813"><a href="#L-813"><span class="linenos">813</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</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="n">key</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="L-814"><a href="#L-814"><span class="linenos">814</span></a> <span class="k">yield from</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">)</span>
|
||||
</span><span id="L-810"><a href="#L-810"><span class="linenos">810</span></a>
|
||||
</span><span id="L-811"><a href="#L-811"><span class="linenos">811</span></a><span class="k">def</span> <span class="nf">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="L-812"><a href="#L-812"><span class="linenos">812</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-813"><a href="#L-813"><span class="linenos">813</span></a><span class="sd"> Returns a generator object which visits all nodes in this scope and only yields those that</span>
|
||||
</span><span id="L-814"><a href="#L-814"><span class="linenos">814</span></a><span class="sd"> match at least one of the specified expression types.</span>
|
||||
</span><span id="L-815"><a href="#L-815"><span class="linenos">815</span></a>
|
||||
</span><span id="L-816"><a href="#L-816"><span class="linenos">816</span></a>
|
||||
</span><span id="L-817"><a href="#L-817"><span class="linenos">817</span></a><span class="k">def</span> <span class="nf">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="L-818"><a href="#L-818"><span class="linenos">818</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-819"><a href="#L-819"><span class="linenos">819</span></a><span class="sd"> Returns a generator object which visits all nodes in this scope and only yields those that</span>
|
||||
</span><span id="L-820"><a href="#L-820"><span class="linenos">820</span></a><span class="sd"> match at least one of the specified expression types.</span>
|
||||
</span><span id="L-821"><a href="#L-821"><span class="linenos">821</span></a>
|
||||
</span><span id="L-822"><a href="#L-822"><span class="linenos">822</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="L-823"><a href="#L-823"><span class="linenos">823</span></a>
|
||||
</span><span id="L-824"><a href="#L-824"><span class="linenos">824</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-825"><a href="#L-825"><span class="linenos">825</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="L-826"><a href="#L-826"><span class="linenos">826</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="L-827"><a href="#L-827"><span class="linenos">827</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="L-828"><a href="#L-828"><span class="linenos">828</span></a>
|
||||
</span><span id="L-829"><a href="#L-829"><span class="linenos">829</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="L-830"><a href="#L-830"><span class="linenos">830</span></a><span class="sd"> exp.Expression: nodes</span>
|
||||
</span><span id="L-831"><a href="#L-831"><span class="linenos">831</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-832"><a href="#L-832"><span class="linenos">832</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">):</span>
|
||||
</span><span id="L-833"><a href="#L-833"><span class="linenos">833</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="nb">tuple</span><span class="p">(</span><span class="n">ensure_collection</span><span class="p">(</span><span class="n">expression_types</span><span class="p">))):</span>
|
||||
</span><span id="L-834"><a href="#L-834"><span class="linenos">834</span></a> <span class="k">yield</span> <span class="n">expression</span>
|
||||
</span><span id="L-835"><a href="#L-835"><span class="linenos">835</span></a>
|
||||
</span><span id="L-816"><a href="#L-816"><span class="linenos">816</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="L-817"><a href="#L-817"><span class="linenos">817</span></a>
|
||||
</span><span id="L-818"><a href="#L-818"><span class="linenos">818</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-819"><a href="#L-819"><span class="linenos">819</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="L-820"><a href="#L-820"><span class="linenos">820</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="L-821"><a href="#L-821"><span class="linenos">821</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="L-822"><a href="#L-822"><span class="linenos">822</span></a>
|
||||
</span><span id="L-823"><a href="#L-823"><span class="linenos">823</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="L-824"><a href="#L-824"><span class="linenos">824</span></a><span class="sd"> exp.Expression: nodes</span>
|
||||
</span><span id="L-825"><a href="#L-825"><span class="linenos">825</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-826"><a href="#L-826"><span class="linenos">826</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">):</span>
|
||||
</span><span id="L-827"><a href="#L-827"><span class="linenos">827</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="nb">tuple</span><span class="p">(</span><span class="n">ensure_collection</span><span class="p">(</span><span class="n">expression_types</span><span class="p">))):</span>
|
||||
</span><span id="L-828"><a href="#L-828"><span class="linenos">828</span></a> <span class="k">yield</span> <span class="n">expression</span>
|
||||
</span><span id="L-829"><a href="#L-829"><span class="linenos">829</span></a>
|
||||
</span><span id="L-830"><a href="#L-830"><span class="linenos">830</span></a>
|
||||
</span><span id="L-831"><a href="#L-831"><span class="linenos">831</span></a><span class="k">def</span> <span class="nf">find_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="L-832"><a href="#L-832"><span class="linenos">832</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-833"><a href="#L-833"><span class="linenos">833</span></a><span class="sd"> Returns the first node in this scope which matches at least one of the specified types.</span>
|
||||
</span><span id="L-834"><a href="#L-834"><span class="linenos">834</span></a>
|
||||
</span><span id="L-835"><a href="#L-835"><span class="linenos">835</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="L-836"><a href="#L-836"><span class="linenos">836</span></a>
|
||||
</span><span id="L-837"><a href="#L-837"><span class="linenos">837</span></a><span class="k">def</span> <span class="nf">find_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="L-838"><a href="#L-838"><span class="linenos">838</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-839"><a href="#L-839"><span class="linenos">839</span></a><span class="sd"> Returns the first node in this scope which matches at least one of the specified types.</span>
|
||||
</span><span id="L-840"><a href="#L-840"><span class="linenos">840</span></a>
|
||||
</span><span id="L-841"><a href="#L-841"><span class="linenos">841</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="L-842"><a href="#L-842"><span class="linenos">842</span></a>
|
||||
</span><span id="L-843"><a href="#L-843"><span class="linenos">843</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-844"><a href="#L-844"><span class="linenos">844</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="L-845"><a href="#L-845"><span class="linenos">845</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="L-846"><a href="#L-846"><span class="linenos">846</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="L-847"><a href="#L-847"><span class="linenos">847</span></a>
|
||||
</span><span id="L-848"><a href="#L-848"><span class="linenos">848</span></a><span class="sd"> Returns:</span>
|
||||
</span><span id="L-849"><a href="#L-849"><span class="linenos">849</span></a><span class="sd"> exp.Expression: the node which matches the criteria or None if no node matching</span>
|
||||
</span><span id="L-850"><a href="#L-850"><span class="linenos">850</span></a><span class="sd"> the criteria was found.</span>
|
||||
</span><span id="L-851"><a href="#L-851"><span class="linenos">851</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-852"><a href="#L-852"><span class="linenos">852</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span><span class="n">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-837"><a href="#L-837"><span class="linenos">837</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-838"><a href="#L-838"><span class="linenos">838</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="L-839"><a href="#L-839"><span class="linenos">839</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="L-840"><a href="#L-840"><span class="linenos">840</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="L-841"><a href="#L-841"><span class="linenos">841</span></a>
|
||||
</span><span id="L-842"><a href="#L-842"><span class="linenos">842</span></a><span class="sd"> Returns:</span>
|
||||
</span><span id="L-843"><a href="#L-843"><span class="linenos">843</span></a><span class="sd"> exp.Expression: the node which matches the criteria or None if no node matching</span>
|
||||
</span><span id="L-844"><a href="#L-844"><span class="linenos">844</span></a><span class="sd"> the criteria was found.</span>
|
||||
</span><span id="L-845"><a href="#L-845"><span class="linenos">845</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-846"><a href="#L-846"><span class="linenos">846</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span><span class="n">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -3009,49 +3003,49 @@ incomplete properties which is confusing.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#walk_in_scope"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="walk_in_scope-773"><a href="#walk_in_scope-773"><span class="linenos">773</span></a><span class="k">def</span> <span class="nf">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">prune</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="walk_in_scope-774"><a href="#walk_in_scope-774"><span class="linenos">774</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="walk_in_scope-775"><a href="#walk_in_scope-775"><span class="linenos">775</span></a><span class="sd"> Returns a generator object which visits all nodes in the syntrax tree, stopping at</span>
|
||||
</span><span id="walk_in_scope-776"><a href="#walk_in_scope-776"><span class="linenos">776</span></a><span class="sd"> nodes that start child scopes.</span>
|
||||
</span><span id="walk_in_scope-777"><a href="#walk_in_scope-777"><span class="linenos">777</span></a>
|
||||
</span><span id="walk_in_scope-778"><a href="#walk_in_scope-778"><span class="linenos">778</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="walk_in_scope-779"><a href="#walk_in_scope-779"><span class="linenos">779</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="walk_in_scope-780"><a href="#walk_in_scope-780"><span class="linenos">780</span></a><span class="sd"> bfs (bool): if set to True the BFS traversal order will be applied,</span>
|
||||
</span><span id="walk_in_scope-781"><a href="#walk_in_scope-781"><span class="linenos">781</span></a><span class="sd"> otherwise the DFS traversal will be used instead.</span>
|
||||
</span><span id="walk_in_scope-782"><a href="#walk_in_scope-782"><span class="linenos">782</span></a><span class="sd"> prune ((node, parent, arg_key) -> bool): callable that returns True if</span>
|
||||
</span><span id="walk_in_scope-783"><a href="#walk_in_scope-783"><span class="linenos">783</span></a><span class="sd"> the generator should stop traversing this branch of the tree.</span>
|
||||
</span><span id="walk_in_scope-784"><a href="#walk_in_scope-784"><span class="linenos">784</span></a>
|
||||
</span><span id="walk_in_scope-785"><a href="#walk_in_scope-785"><span class="linenos">785</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="walk_in_scope-786"><a href="#walk_in_scope-786"><span class="linenos">786</span></a><span class="sd"> tuple[exp.Expression, Optional[exp.Expression], str]: node, parent, arg key</span>
|
||||
</span><span id="walk_in_scope-787"><a href="#walk_in_scope-787"><span class="linenos">787</span></a><span class="sd"> """</span>
|
||||
</span><span id="walk_in_scope-788"><a href="#walk_in_scope-788"><span class="linenos">788</span></a> <span class="c1"># We'll use this variable to pass state into the dfs generator.</span>
|
||||
</span><span id="walk_in_scope-789"><a href="#walk_in_scope-789"><span class="linenos">789</span></a> <span class="c1"># Whenever we set it to True, we exclude a subtree from traversal.</span>
|
||||
</span><span id="walk_in_scope-790"><a href="#walk_in_scope-790"><span class="linenos">790</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="walk_in_scope-791"><a href="#walk_in_scope-791"><span class="linenos">791</span></a>
|
||||
</span><span id="walk_in_scope-792"><a href="#walk_in_scope-792"><span class="linenos">792</span></a> <span class="k">for</span> <span class="n">node</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><span id="walk_in_scope-793"><a href="#walk_in_scope-793"><span class="linenos">793</span></a> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</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="n">crossed_scope_boundary</span> <span class="ow">or</span> <span class="p">(</span><span class="n">prune</span> <span class="ow">and</span> <span class="n">prune</span><span class="p">(</span><span class="n">n</span><span class="p">))</span>
|
||||
</span><span id="walk_in_scope-794"><a href="#walk_in_scope-794"><span class="linenos">794</span></a> <span class="p">):</span>
|
||||
</span><span id="walk_in_scope-795"><a href="#walk_in_scope-795"><span class="linenos">795</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="walk_in_scope-796"><a href="#walk_in_scope-796"><span class="linenos">796</span></a>
|
||||
</span><span id="walk_in_scope-797"><a href="#walk_in_scope-797"><span class="linenos">797</span></a> <span class="k">yield</span> <span class="n">node</span>
|
||||
</span><span id="walk_in_scope-798"><a href="#walk_in_scope-798"><span class="linenos">798</span></a>
|
||||
</span><span id="walk_in_scope-799"><a href="#walk_in_scope-799"><span class="linenos">799</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">is</span> <span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="walk_in_scope-800"><a href="#walk_in_scope-800"><span class="linenos">800</span></a> <span class="k">continue</span>
|
||||
</span><span id="walk_in_scope-801"><a href="#walk_in_scope-801"><span class="linenos">801</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="walk_in_scope-802"><a href="#walk_in_scope-802"><span class="linenos">802</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">CTE</span><span class="p">)</span>
|
||||
</span><span id="walk_in_scope-803"><a href="#walk_in_scope-803"><span class="linenos">803</span></a> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="walk_in_scope-804"><a href="#walk_in_scope-804"><span class="linenos">804</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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 class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">))</span>
|
||||
</span><span id="walk_in_scope-805"><a href="#walk_in_scope-805"><span class="linenos">805</span></a> <span class="ow">and</span> <span class="p">(</span><span class="n">_is_derived_table</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> <span class="ow">or</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">UDTF</span><span class="p">))</span>
|
||||
</span><span id="walk_in_scope-806"><a href="#walk_in_scope-806"><span class="linenos">806</span></a> <span class="p">)</span>
|
||||
</span><span id="walk_in_scope-807"><a href="#walk_in_scope-807"><span class="linenos">807</span></a> <span class="ow">or</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">UNWRAPPED_QUERIES</span><span class="p">)</span>
|
||||
</span><span id="walk_in_scope-808"><a href="#walk_in_scope-808"><span class="linenos">808</span></a> <span class="p">):</span>
|
||||
</span><span id="walk_in_scope-809"><a href="#walk_in_scope-809"><span class="linenos">809</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="walk_in_scope-810"><a href="#walk_in_scope-810"><span class="linenos">810</span></a>
|
||||
</span><span id="walk_in_scope-811"><a href="#walk_in_scope-811"><span class="linenos">811</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="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">UDTF</span><span class="p">)):</span>
|
||||
</span><span id="walk_in_scope-812"><a href="#walk_in_scope-812"><span class="linenos">812</span></a> <span class="c1"># The following args are not actually in the inner scope, so we should visit them</span>
|
||||
</span><span id="walk_in_scope-813"><a href="#walk_in_scope-813"><span class="linenos">813</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="s2">"laterals"</span><span class="p">,</span> <span class="s2">"pivots"</span><span class="p">):</span>
|
||||
</span><span id="walk_in_scope-814"><a href="#walk_in_scope-814"><span class="linenos">814</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</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="n">key</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="walk_in_scope-815"><a href="#walk_in_scope-815"><span class="linenos">815</span></a> <span class="k">yield from</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="walk_in_scope-767"><a href="#walk_in_scope-767"><span class="linenos">767</span></a><span class="k">def</span> <span class="nf">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">prune</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="walk_in_scope-768"><a href="#walk_in_scope-768"><span class="linenos">768</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="walk_in_scope-769"><a href="#walk_in_scope-769"><span class="linenos">769</span></a><span class="sd"> Returns a generator object which visits all nodes in the syntrax tree, stopping at</span>
|
||||
</span><span id="walk_in_scope-770"><a href="#walk_in_scope-770"><span class="linenos">770</span></a><span class="sd"> nodes that start child scopes.</span>
|
||||
</span><span id="walk_in_scope-771"><a href="#walk_in_scope-771"><span class="linenos">771</span></a>
|
||||
</span><span id="walk_in_scope-772"><a href="#walk_in_scope-772"><span class="linenos">772</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="walk_in_scope-773"><a href="#walk_in_scope-773"><span class="linenos">773</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="walk_in_scope-774"><a href="#walk_in_scope-774"><span class="linenos">774</span></a><span class="sd"> bfs (bool): if set to True the BFS traversal order will be applied,</span>
|
||||
</span><span id="walk_in_scope-775"><a href="#walk_in_scope-775"><span class="linenos">775</span></a><span class="sd"> otherwise the DFS traversal will be used instead.</span>
|
||||
</span><span id="walk_in_scope-776"><a href="#walk_in_scope-776"><span class="linenos">776</span></a><span class="sd"> prune ((node, parent, arg_key) -> bool): callable that returns True if</span>
|
||||
</span><span id="walk_in_scope-777"><a href="#walk_in_scope-777"><span class="linenos">777</span></a><span class="sd"> the generator should stop traversing this branch of the tree.</span>
|
||||
</span><span id="walk_in_scope-778"><a href="#walk_in_scope-778"><span class="linenos">778</span></a>
|
||||
</span><span id="walk_in_scope-779"><a href="#walk_in_scope-779"><span class="linenos">779</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="walk_in_scope-780"><a href="#walk_in_scope-780"><span class="linenos">780</span></a><span class="sd"> tuple[exp.Expression, Optional[exp.Expression], str]: node, parent, arg key</span>
|
||||
</span><span id="walk_in_scope-781"><a href="#walk_in_scope-781"><span class="linenos">781</span></a><span class="sd"> """</span>
|
||||
</span><span id="walk_in_scope-782"><a href="#walk_in_scope-782"><span class="linenos">782</span></a> <span class="c1"># We'll use this variable to pass state into the dfs generator.</span>
|
||||
</span><span id="walk_in_scope-783"><a href="#walk_in_scope-783"><span class="linenos">783</span></a> <span class="c1"># Whenever we set it to True, we exclude a subtree from traversal.</span>
|
||||
</span><span id="walk_in_scope-784"><a href="#walk_in_scope-784"><span class="linenos">784</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="walk_in_scope-785"><a href="#walk_in_scope-785"><span class="linenos">785</span></a>
|
||||
</span><span id="walk_in_scope-786"><a href="#walk_in_scope-786"><span class="linenos">786</span></a> <span class="k">for</span> <span class="n">node</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><span id="walk_in_scope-787"><a href="#walk_in_scope-787"><span class="linenos">787</span></a> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</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="n">crossed_scope_boundary</span> <span class="ow">or</span> <span class="p">(</span><span class="n">prune</span> <span class="ow">and</span> <span class="n">prune</span><span class="p">(</span><span class="n">n</span><span class="p">))</span>
|
||||
</span><span id="walk_in_scope-788"><a href="#walk_in_scope-788"><span class="linenos">788</span></a> <span class="p">):</span>
|
||||
</span><span id="walk_in_scope-789"><a href="#walk_in_scope-789"><span class="linenos">789</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="walk_in_scope-790"><a href="#walk_in_scope-790"><span class="linenos">790</span></a>
|
||||
</span><span id="walk_in_scope-791"><a href="#walk_in_scope-791"><span class="linenos">791</span></a> <span class="k">yield</span> <span class="n">node</span>
|
||||
</span><span id="walk_in_scope-792"><a href="#walk_in_scope-792"><span class="linenos">792</span></a>
|
||||
</span><span id="walk_in_scope-793"><a href="#walk_in_scope-793"><span class="linenos">793</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">is</span> <span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="walk_in_scope-794"><a href="#walk_in_scope-794"><span class="linenos">794</span></a> <span class="k">continue</span>
|
||||
</span><span id="walk_in_scope-795"><a href="#walk_in_scope-795"><span class="linenos">795</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="walk_in_scope-796"><a href="#walk_in_scope-796"><span class="linenos">796</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">CTE</span><span class="p">)</span>
|
||||
</span><span id="walk_in_scope-797"><a href="#walk_in_scope-797"><span class="linenos">797</span></a> <span class="ow">or</span> <span class="p">(</span>
|
||||
</span><span id="walk_in_scope-798"><a href="#walk_in_scope-798"><span class="linenos">798</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</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 class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">))</span>
|
||||
</span><span id="walk_in_scope-799"><a href="#walk_in_scope-799"><span class="linenos">799</span></a> <span class="ow">and</span> <span class="p">(</span><span class="n">_is_derived_table</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> <span class="ow">or</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">UDTF</span><span class="p">))</span>
|
||||
</span><span id="walk_in_scope-800"><a href="#walk_in_scope-800"><span class="linenos">800</span></a> <span class="p">)</span>
|
||||
</span><span id="walk_in_scope-801"><a href="#walk_in_scope-801"><span class="linenos">801</span></a> <span class="ow">or</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">UNWRAPPED_QUERIES</span><span class="p">)</span>
|
||||
</span><span id="walk_in_scope-802"><a href="#walk_in_scope-802"><span class="linenos">802</span></a> <span class="p">):</span>
|
||||
</span><span id="walk_in_scope-803"><a href="#walk_in_scope-803"><span class="linenos">803</span></a> <span class="n">crossed_scope_boundary</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="walk_in_scope-804"><a href="#walk_in_scope-804"><span class="linenos">804</span></a>
|
||||
</span><span id="walk_in_scope-805"><a href="#walk_in_scope-805"><span class="linenos">805</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="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">UDTF</span><span class="p">)):</span>
|
||||
</span><span id="walk_in_scope-806"><a href="#walk_in_scope-806"><span class="linenos">806</span></a> <span class="c1"># The following args are not actually in the inner scope, so we should visit them</span>
|
||||
</span><span id="walk_in_scope-807"><a href="#walk_in_scope-807"><span class="linenos">807</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="s2">"laterals"</span><span class="p">,</span> <span class="s2">"pivots"</span><span class="p">):</span>
|
||||
</span><span id="walk_in_scope-808"><a href="#walk_in_scope-808"><span class="linenos">808</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</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="n">key</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
|
||||
</span><span id="walk_in_scope-809"><a href="#walk_in_scope-809"><span class="linenos">809</span></a> <span class="k">yield from</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -3088,24 +3082,24 @@ the generator should stop traversing this branch of the tree.</li>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#find_all_in_scope"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="find_all_in_scope-818"><a href="#find_all_in_scope-818"><span class="linenos">818</span></a><span class="k">def</span> <span class="nf">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="find_all_in_scope-819"><a href="#find_all_in_scope-819"><span class="linenos">819</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="find_all_in_scope-820"><a href="#find_all_in_scope-820"><span class="linenos">820</span></a><span class="sd"> Returns a generator object which visits all nodes in this scope and only yields those that</span>
|
||||
</span><span id="find_all_in_scope-821"><a href="#find_all_in_scope-821"><span class="linenos">821</span></a><span class="sd"> match at least one of the specified expression types.</span>
|
||||
</span><span id="find_all_in_scope-822"><a href="#find_all_in_scope-822"><span class="linenos">822</span></a>
|
||||
</span><span id="find_all_in_scope-823"><a href="#find_all_in_scope-823"><span class="linenos">823</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="find_all_in_scope-824"><a href="#find_all_in_scope-824"><span class="linenos">824</span></a>
|
||||
</span><span id="find_all_in_scope-825"><a href="#find_all_in_scope-825"><span class="linenos">825</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="find_all_in_scope-826"><a href="#find_all_in_scope-826"><span class="linenos">826</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="find_all_in_scope-827"><a href="#find_all_in_scope-827"><span class="linenos">827</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="find_all_in_scope-828"><a href="#find_all_in_scope-828"><span class="linenos">828</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="find_all_in_scope-829"><a href="#find_all_in_scope-829"><span class="linenos">829</span></a>
|
||||
</span><span id="find_all_in_scope-830"><a href="#find_all_in_scope-830"><span class="linenos">830</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="find_all_in_scope-831"><a href="#find_all_in_scope-831"><span class="linenos">831</span></a><span class="sd"> exp.Expression: nodes</span>
|
||||
</span><span id="find_all_in_scope-832"><a href="#find_all_in_scope-832"><span class="linenos">832</span></a><span class="sd"> """</span>
|
||||
</span><span id="find_all_in_scope-833"><a href="#find_all_in_scope-833"><span class="linenos">833</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">):</span>
|
||||
</span><span id="find_all_in_scope-834"><a href="#find_all_in_scope-834"><span class="linenos">834</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="nb">tuple</span><span class="p">(</span><span class="n">ensure_collection</span><span class="p">(</span><span class="n">expression_types</span><span class="p">))):</span>
|
||||
</span><span id="find_all_in_scope-835"><a href="#find_all_in_scope-835"><span class="linenos">835</span></a> <span class="k">yield</span> <span class="n">expression</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="find_all_in_scope-812"><a href="#find_all_in_scope-812"><span class="linenos">812</span></a><span class="k">def</span> <span class="nf">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="find_all_in_scope-813"><a href="#find_all_in_scope-813"><span class="linenos">813</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="find_all_in_scope-814"><a href="#find_all_in_scope-814"><span class="linenos">814</span></a><span class="sd"> Returns a generator object which visits all nodes in this scope and only yields those that</span>
|
||||
</span><span id="find_all_in_scope-815"><a href="#find_all_in_scope-815"><span class="linenos">815</span></a><span class="sd"> match at least one of the specified expression types.</span>
|
||||
</span><span id="find_all_in_scope-816"><a href="#find_all_in_scope-816"><span class="linenos">816</span></a>
|
||||
</span><span id="find_all_in_scope-817"><a href="#find_all_in_scope-817"><span class="linenos">817</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="find_all_in_scope-818"><a href="#find_all_in_scope-818"><span class="linenos">818</span></a>
|
||||
</span><span id="find_all_in_scope-819"><a href="#find_all_in_scope-819"><span class="linenos">819</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="find_all_in_scope-820"><a href="#find_all_in_scope-820"><span class="linenos">820</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="find_all_in_scope-821"><a href="#find_all_in_scope-821"><span class="linenos">821</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="find_all_in_scope-822"><a href="#find_all_in_scope-822"><span class="linenos">822</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="find_all_in_scope-823"><a href="#find_all_in_scope-823"><span class="linenos">823</span></a>
|
||||
</span><span id="find_all_in_scope-824"><a href="#find_all_in_scope-824"><span class="linenos">824</span></a><span class="sd"> Yields:</span>
|
||||
</span><span id="find_all_in_scope-825"><a href="#find_all_in_scope-825"><span class="linenos">825</span></a><span class="sd"> exp.Expression: nodes</span>
|
||||
</span><span id="find_all_in_scope-826"><a href="#find_all_in_scope-826"><span class="linenos">826</span></a><span class="sd"> """</span>
|
||||
</span><span id="find_all_in_scope-827"><a href="#find_all_in_scope-827"><span class="linenos">827</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">):</span>
|
||||
</span><span id="find_all_in_scope-828"><a href="#find_all_in_scope-828"><span class="linenos">828</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="nb">tuple</span><span class="p">(</span><span class="n">ensure_collection</span><span class="p">(</span><span class="n">expression_types</span><span class="p">))):</span>
|
||||
</span><span id="find_all_in_scope-829"><a href="#find_all_in_scope-829"><span class="linenos">829</span></a> <span class="k">yield</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -3142,22 +3136,22 @@ match at least one of the specified expression types.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#find_in_scope"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="find_in_scope-838"><a href="#find_in_scope-838"><span class="linenos">838</span></a><span class="k">def</span> <span class="nf">find_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="find_in_scope-839"><a href="#find_in_scope-839"><span class="linenos">839</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="find_in_scope-840"><a href="#find_in_scope-840"><span class="linenos">840</span></a><span class="sd"> Returns the first node in this scope which matches at least one of the specified types.</span>
|
||||
</span><span id="find_in_scope-841"><a href="#find_in_scope-841"><span class="linenos">841</span></a>
|
||||
</span><span id="find_in_scope-842"><a href="#find_in_scope-842"><span class="linenos">842</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="find_in_scope-843"><a href="#find_in_scope-843"><span class="linenos">843</span></a>
|
||||
</span><span id="find_in_scope-844"><a href="#find_in_scope-844"><span class="linenos">844</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="find_in_scope-845"><a href="#find_in_scope-845"><span class="linenos">845</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="find_in_scope-846"><a href="#find_in_scope-846"><span class="linenos">846</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="find_in_scope-847"><a href="#find_in_scope-847"><span class="linenos">847</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="find_in_scope-848"><a href="#find_in_scope-848"><span class="linenos">848</span></a>
|
||||
</span><span id="find_in_scope-849"><a href="#find_in_scope-849"><span class="linenos">849</span></a><span class="sd"> Returns:</span>
|
||||
</span><span id="find_in_scope-850"><a href="#find_in_scope-850"><span class="linenos">850</span></a><span class="sd"> exp.Expression: the node which matches the criteria or None if no node matching</span>
|
||||
</span><span id="find_in_scope-851"><a href="#find_in_scope-851"><span class="linenos">851</span></a><span class="sd"> the criteria was found.</span>
|
||||
</span><span id="find_in_scope-852"><a href="#find_in_scope-852"><span class="linenos">852</span></a><span class="sd"> """</span>
|
||||
</span><span id="find_in_scope-853"><a href="#find_in_scope-853"><span class="linenos">853</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span><span class="n">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="find_in_scope-832"><a href="#find_in_scope-832"><span class="linenos">832</span></a><span class="k">def</span> <span class="nf">find_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
|
||||
</span><span id="find_in_scope-833"><a href="#find_in_scope-833"><span class="linenos">833</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="find_in_scope-834"><a href="#find_in_scope-834"><span class="linenos">834</span></a><span class="sd"> Returns the first node in this scope which matches at least one of the specified types.</span>
|
||||
</span><span id="find_in_scope-835"><a href="#find_in_scope-835"><span class="linenos">835</span></a>
|
||||
</span><span id="find_in_scope-836"><a href="#find_in_scope-836"><span class="linenos">836</span></a><span class="sd"> This does NOT traverse into subscopes.</span>
|
||||
</span><span id="find_in_scope-837"><a href="#find_in_scope-837"><span class="linenos">837</span></a>
|
||||
</span><span id="find_in_scope-838"><a href="#find_in_scope-838"><span class="linenos">838</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="find_in_scope-839"><a href="#find_in_scope-839"><span class="linenos">839</span></a><span class="sd"> expression (exp.Expression):</span>
|
||||
</span><span id="find_in_scope-840"><a href="#find_in_scope-840"><span class="linenos">840</span></a><span class="sd"> expression_types (tuple[type]|type): the expression type(s) to match.</span>
|
||||
</span><span id="find_in_scope-841"><a href="#find_in_scope-841"><span class="linenos">841</span></a><span class="sd"> bfs (bool): True to use breadth-first search, False to use depth-first.</span>
|
||||
</span><span id="find_in_scope-842"><a href="#find_in_scope-842"><span class="linenos">842</span></a>
|
||||
</span><span id="find_in_scope-843"><a href="#find_in_scope-843"><span class="linenos">843</span></a><span class="sd"> Returns:</span>
|
||||
</span><span id="find_in_scope-844"><a href="#find_in_scope-844"><span class="linenos">844</span></a><span class="sd"> exp.Expression: the node which matches the criteria or None if no node matching</span>
|
||||
</span><span id="find_in_scope-845"><a href="#find_in_scope-845"><span class="linenos">845</span></a><span class="sd"> the criteria was found.</span>
|
||||
</span><span id="find_in_scope-846"><a href="#find_in_scope-846"><span class="linenos">846</span></a><span class="sd"> """</span>
|
||||
</span><span id="find_in_scope-847"><a href="#find_in_scope-847"><span class="linenos">847</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span><span class="n">find_all_in_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression_types</span><span class="p">,</span> <span class="n">bfs</span><span class="o">=</span><span class="n">bfs</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
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|
|
@ -105,256 +105,258 @@
|
|||
</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="k">return</span>
|
||||
</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a>
|
||||
</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</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="L-44"><a href="#L-44"><span class="linenos"> 44</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-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="p">(</span>
|
||||
</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="ow">not</span> <span class="n">predicate</span>
|
||||
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</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="L-49"><a href="#L-49"><span class="linenos"> 49</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="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="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-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="ow">not</span> <span class="n">predicate</span>
|
||||
</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</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="L-47"><a href="#L-47"><span class="linenos"> 47</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="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="p">):</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">return</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">select</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">select</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</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="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</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="n">alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</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-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="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
|
||||
</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="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-59"><a href="#L-59"><span class="linenos"> 59</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-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">group</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">"group"</span><span class="p">)</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</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-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="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-64"><a href="#L-64"><span class="linenos"> 64</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-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</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-67"><a href="#L-67"><span class="linenos"> 67</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-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="p">)</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="p">):</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</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-71"><a href="#L-71"><span class="linenos"> 71</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-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">return</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 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-75"><a href="#L-75"><span class="linenos"> 75</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-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="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-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">return</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="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-82"><a href="#L-82"><span class="linenos"> 82</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-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="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-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">return</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">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-88"><a href="#L-88"><span class="linenos"> 88</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-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">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-91"><a href="#L-91"><span class="linenos"> 91</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-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="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-94"><a href="#L-94"><span class="linenos"> 94</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-95"><a href="#L-95"><span class="linenos"> 95</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-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">_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-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">if</span> <span class="n">group</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="p">{</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">}</span> <span class="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">exp</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">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="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</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">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 class="o">.</span><span class="n">group_by</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">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</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-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">else</span><span class="p">:</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">select</span> <span class="o">=</span> <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-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="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">select</span><span class="p">,</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</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-112"><a href="#L-112"><span class="linenos">112</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-113"><a href="#L-113"><span class="linenos">113</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-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <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><span id="L-118"><a href="#L-118"><span class="linenos">118</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-119"><a href="#L-119"><span class="linenos">119</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-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="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-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">return</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="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">keys</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="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</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-130"><a href="#L-130"><span class="linenos">130</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-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">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-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">group</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">"group"</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="n">group</span><span class="p">:</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">if</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="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">exp</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">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="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</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">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="o">.</span><span class="n">group_by</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">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</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-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="p">)</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">select</span> <span class="o">=</span> <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-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">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">select</span><span class="p">,</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</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-114"><a href="#L-114"><span class="linenos">114</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-115"><a href="#L-115"><span class="linenos">115</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-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="p">)</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><span id="L-120"><a href="#L-120"><span class="linenos">120</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-121"><a href="#L-121"><span class="linenos">121</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-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">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-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="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">keys</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><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</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-132"><a href="#L-132"><span class="linenos">132</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-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="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-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">return</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</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-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">key</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 class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</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="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-142"><a href="#L-142"><span class="linenos">142</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-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="p">)</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">return</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</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-135"><a href="#L-135"><span class="linenos">135</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-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="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-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="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-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</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="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-144"><a href="#L-144"><span class="linenos">144</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-145"><a href="#L-145"><span class="linenos">145</span></a> <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">return</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</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-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">return</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</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-153"><a href="#L-153"><span class="linenos">153</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-154"><a href="#L-154"><span class="linenos">154</span></a> <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="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-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">group_by</span> <span class="o">=</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">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-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</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-163"><a href="#L-163"><span class="linenos">163</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-164"><a href="#L-164"><span class="linenos">164</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-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</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-167"><a href="#L-167"><span class="linenos">167</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-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</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-171"><a href="#L-171"><span class="linenos">171</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-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="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-149"><a href="#L-149"><span class="linenos">149</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-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="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-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">return</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">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</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-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="p">)</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</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-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</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-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</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-165"><a href="#L-165"><span class="linenos">165</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-166"><a href="#L-166"><span class="linenos">166</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-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</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-169"><a href="#L-169"><span class="linenos">169</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-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</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-173"><a href="#L-173"><span class="linenos">173</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-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="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-176"><a href="#L-176"><span class="linenos">176</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-177"><a href="#L-177"><span class="linenos">177</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-178"><a href="#L-178"><span class="linenos">178</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-179"><a href="#L-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><span id="L-180"><a href="#L-180"><span class="linenos">180</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-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</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><span id="L-185"><a href="#L-185"><span class="linenos">185</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-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</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">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-188"><a href="#L-188"><span class="linenos">188</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-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">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-191"><a href="#L-191"><span class="linenos">191</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-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</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-195"><a href="#L-195"><span class="linenos">195</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-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</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-198"><a href="#L-198"><span class="linenos">198</span></a>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</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-200"><a href="#L-200"><span class="linenos">200</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-201"><a href="#L-201"><span class="linenos">201</span></a>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</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-203"><a href="#L-203"><span class="linenos">203</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-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">"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-205"><a href="#L-205"><span class="linenos">205</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-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="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-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="p">)</span>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</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-210"><a href="#L-210"><span class="linenos">210</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-211"><a href="#L-211"><span class="linenos">211</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-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</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-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">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-215"><a href="#L-215"><span class="linenos">215</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-216"><a href="#L-216"><span class="linenos">216</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-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</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-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</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-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 class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</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-225"><a href="#L-225"><span class="linenos">225</span></a>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</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-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</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-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="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-231"><a href="#L-231"><span class="linenos">231</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-232"><a href="#L-232"><span class="linenos">232</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-233"><a href="#L-233"><span class="linenos">233</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-234"><a href="#L-234"><span class="linenos">234</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-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</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-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</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-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="p">)</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</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-175"><a href="#L-175"><span class="linenos">175</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-176"><a href="#L-176"><span class="linenos">176</span></a>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</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-178"><a href="#L-178"><span class="linenos">178</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-179"><a href="#L-179"><span class="linenos">179</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-180"><a href="#L-180"><span class="linenos">180</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-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</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-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">append</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="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <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="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</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-190"><a href="#L-190"><span class="linenos">190</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-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">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-193"><a href="#L-193"><span class="linenos">193</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-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</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-197"><a href="#L-197"><span class="linenos">197</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-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">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-200"><a href="#L-200"><span class="linenos">200</span></a>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</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-202"><a href="#L-202"><span class="linenos">202</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-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">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-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">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-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 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-207"><a href="#L-207"><span class="linenos">207</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-208"><a href="#L-208"><span class="linenos">208</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-209"><a href="#L-209"><span class="linenos">209</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-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="p">)</span>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</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-212"><a href="#L-212"><span class="linenos">212</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-213"><a href="#L-213"><span class="linenos">213</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-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</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-216"><a href="#L-216"><span class="linenos">216</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-217"><a href="#L-217"><span class="linenos">217</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-218"><a href="#L-218"><span class="linenos">218</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-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</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-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</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-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="p">)</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-226"><a href="#L-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">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-227"><a href="#L-227"><span class="linenos">227</span></a>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</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-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</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-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">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-233"><a href="#L-233"><span class="linenos">233</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-234"><a href="#L-234"><span class="linenos">234</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-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">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-236"><a href="#L-236"><span class="linenos">236</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-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</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-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</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-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="p">)</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</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-245"><a href="#L-245"><span class="linenos">245</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-246"><a href="#L-246"><span class="linenos">246</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-247"><a href="#L-247"><span class="linenos">247</span></a>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-249"><a href="#L-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">nested</span><span class="p">)</span>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a>
|
||||
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</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-253"><a href="#L-253"><span class="linenos">253</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-254"><a href="#L-254"><span class="linenos">254</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-255"><a href="#L-255"><span class="linenos">255</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-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</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-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="p">)</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</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-261"><a href="#L-261"><span class="linenos">261</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-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</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_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <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 class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</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-268"><a href="#L-268"><span class="linenos">268</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-269"><a href="#L-269"><span class="linenos">269</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-270"><a href="#L-270"><span class="linenos">270</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-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <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><span id="L-275"><a href="#L-275"><span class="linenos">275</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-276"><a href="#L-276"><span class="linenos">276</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-277"><a href="#L-277"><span class="linenos">277</span></a>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</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-280"><a href="#L-280"><span class="linenos">280</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-281"><a href="#L-281"><span class="linenos">281</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-282"><a href="#L-282"><span class="linenos">282</span></a>
|
||||
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</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-284"><a href="#L-284"><span class="linenos">284</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-285"><a href="#L-285"><span class="linenos">285</span></a>
|
||||
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</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-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</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-290"><a href="#L-290"><span class="linenos">290</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-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="p">)</span>
|
||||
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a>
|
||||
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</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-245"><a href="#L-245"><span class="linenos">245</span></a>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</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-247"><a href="#L-247"><span class="linenos">247</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-248"><a href="#L-248"><span class="linenos">248</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-249"><a href="#L-249"><span class="linenos">249</span></a>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</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-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">continue</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="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-255"><a href="#L-255"><span class="linenos">255</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-256"><a href="#L-256"><span class="linenos">256</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-257"><a href="#L-257"><span class="linenos">257</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-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</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-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 class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</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-263"><a href="#L-263"><span class="linenos">263</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-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</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_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="p">)</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</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-269"><a href="#L-269"><span class="linenos">269</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-270"><a href="#L-270"><span class="linenos">270</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-271"><a href="#L-271"><span class="linenos">271</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-272"><a href="#L-272"><span class="linenos">272</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-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="p">)</span>
|
||||
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a>
|
||||
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a>
|
||||
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</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-278"><a href="#L-278"><span class="linenos">278</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-279"><a href="#L-279"><span class="linenos">279</span></a>
|
||||
</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">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-282"><a href="#L-282"><span class="linenos">282</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-283"><a href="#L-283"><span class="linenos">283</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-284"><a href="#L-284"><span class="linenos">284</span></a>
|
||||
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</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-286"><a href="#L-286"><span class="linenos">286</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-287"><a href="#L-287"><span class="linenos">287</span></a>
|
||||
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</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-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</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-292"><a href="#L-292"><span class="linenos">292</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-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="p">)</span>
|
||||
</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a>
|
||||
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -452,78 +454,80 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
</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-45"><a href="#unnest-45"><span class="linenos"> 45</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="unnest-46"><a href="#unnest-46"><span class="linenos"> 46</span></a> <span class="ow">not</span> <span class="n">predicate</span>
|
||||
</span><span id="unnest-47"><a href="#unnest-47"><span class="linenos"> 47</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-48"><a href="#unnest-48"><span class="linenos"> 48</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-49"><a href="#unnest-49"><span class="linenos"> 49</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-50"><a href="#unnest-50"><span class="linenos"> 50</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-51"><a href="#unnest-51"><span class="linenos"> 51</span></a>
|
||||
</span><span id="unnest-52"><a href="#unnest-52"><span class="linenos"> 52</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">Union</span><span class="p">):</span>
|
||||
</span><span id="unnest-53"><a href="#unnest-53"><span class="linenos"> 53</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</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="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">next_alias_name</span><span class="p">()))</span>
|
||||
</span><span id="unnest-54"><a href="#unnest-54"><span class="linenos"> 54</span></a>
|
||||
</span><span id="unnest-55"><a href="#unnest-55"><span class="linenos"> 55</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-56"><a href="#unnest-56"><span class="linenos"> 56</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-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="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
|
||||
</span><span id="unnest-59"><a href="#unnest-59"><span class="linenos"> 59</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-60"><a href="#unnest-60"><span class="linenos"> 60</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-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">group</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">"group"</span><span class="p">)</span>
|
||||
</span><span id="unnest-62"><a href="#unnest-62"><span class="linenos"> 62</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-63"><a href="#unnest-63"><span class="linenos"> 63</span></a>
|
||||
</span><span id="unnest-64"><a href="#unnest-64"><span class="linenos"> 64</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-65"><a href="#unnest-65"><span class="linenos"> 65</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-66"><a href="#unnest-66"><span class="linenos"> 66</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="unnest-67"><a href="#unnest-67"><span class="linenos"> 67</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-68"><a href="#unnest-68"><span class="linenos"> 68</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-69"><a href="#unnest-69"><span class="linenos"> 69</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-70"><a href="#unnest-70"><span class="linenos"> 70</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-71"><a href="#unnest-71"><span class="linenos"> 71</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-72"><a href="#unnest-72"><span class="linenos"> 72</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-73"><a href="#unnest-73"><span class="linenos"> 73</span></a> <span class="k">return</span>
|
||||
</span><span id="unnest-74"><a href="#unnest-74"><span class="linenos"> 74</span></a>
|
||||
</span><span id="unnest-75"><a href="#unnest-75"><span class="linenos"> 75</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-76"><a href="#unnest-76"><span class="linenos"> 76</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-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="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-80"><a href="#unnest-80"><span class="linenos"> 80</span></a> <span class="k">return</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="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-83"><a href="#unnest-83"><span class="linenos"> 83</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-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="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-86"><a href="#unnest-86"><span class="linenos"> 86</span></a> <span class="k">return</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">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-89"><a href="#unnest-89"><span class="linenos"> 89</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-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">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-92"><a href="#unnest-92"><span class="linenos"> 92</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-93"><a href="#unnest-93"><span class="linenos"> 93</span></a>
|
||||
</span><span id="unnest-94"><a href="#unnest-94"><span class="linenos"> 94</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-95"><a href="#unnest-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">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="unnest-96"><a href="#unnest-96"><span class="linenos"> 96</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-97"><a href="#unnest-97"><span class="linenos"> 97</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="unnest-98"><a href="#unnest-98"><span class="linenos"> 98</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-99"><a href="#unnest-99"><span class="linenos"> 99</span></a>
|
||||
</span><span id="unnest-100"><a href="#unnest-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">group</span><span class="p">:</span>
|
||||
</span><span id="unnest-101"><a href="#unnest-101"><span class="linenos">101</span></a> <span class="k">if</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="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="unnest-102"><a href="#unnest-102"><span class="linenos">102</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="unnest-103"><a href="#unnest-103"><span class="linenos">103</span></a> <span class="n">exp</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">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="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="unnest-104"><a href="#unnest-104"><span class="linenos">104</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</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">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-105"><a href="#unnest-105"><span class="linenos">105</span></a> <span class="o">.</span><span class="n">group_by</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">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</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-106"><a href="#unnest-106"><span class="linenos">106</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-107"><a href="#unnest-107"><span class="linenos">107</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="unnest-108"><a href="#unnest-108"><span class="linenos">108</span></a> <span class="n">select</span> <span class="o">=</span> <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-109"><a href="#unnest-109"><span class="linenos">109</span></a>
|
||||
</span><span id="unnest-110"><a href="#unnest-110"><span class="linenos">110</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-111"><a href="#unnest-111"><span class="linenos">111</span></a> <span class="n">select</span><span class="p">,</span>
|
||||
</span><span id="unnest-112"><a href="#unnest-112"><span class="linenos">112</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-113"><a href="#unnest-113"><span class="linenos">113</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-114"><a href="#unnest-114"><span class="linenos">114</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-115"><a href="#unnest-115"><span class="linenos">115</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="unnest-116"><a href="#unnest-116"><span class="linenos">116</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-100"><a href="#unnest-100"><span class="linenos">100</span></a> <span class="n">group</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">"group"</span><span class="p">)</span>
|
||||
</span><span id="unnest-101"><a href="#unnest-101"><span class="linenos">101</span></a>
|
||||
</span><span id="unnest-102"><a href="#unnest-102"><span class="linenos">102</span></a> <span class="k">if</span> <span class="n">group</span><span class="p">:</span>
|
||||
</span><span id="unnest-103"><a href="#unnest-103"><span class="linenos">103</span></a> <span class="k">if</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="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="unnest-104"><a href="#unnest-104"><span class="linenos">104</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="unnest-105"><a href="#unnest-105"><span class="linenos">105</span></a> <span class="n">exp</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">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="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="unnest-106"><a href="#unnest-106"><span class="linenos">106</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</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">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-107"><a href="#unnest-107"><span class="linenos">107</span></a> <span class="o">.</span><span class="n">group_by</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">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</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-108"><a href="#unnest-108"><span class="linenos">108</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-109"><a href="#unnest-109"><span class="linenos">109</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="unnest-110"><a href="#unnest-110"><span class="linenos">110</span></a> <span class="n">select</span> <span class="o">=</span> <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-111"><a href="#unnest-111"><span class="linenos">111</span></a>
|
||||
</span><span id="unnest-112"><a href="#unnest-112"><span class="linenos">112</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-113"><a href="#unnest-113"><span class="linenos">113</span></a> <span class="n">select</span><span class="p">,</span>
|
||||
</span><span id="unnest-114"><a href="#unnest-114"><span class="linenos">114</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-115"><a href="#unnest-115"><span class="linenos">115</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-116"><a href="#unnest-116"><span class="linenos">116</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-117"><a href="#unnest-117"><span class="linenos">117</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="unnest-118"><a href="#unnest-118"><span class="linenos">118</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -541,161 +545,161 @@ 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-119"><a href="#decorrelate-119"><span class="linenos">119</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-120"><a href="#decorrelate-120"><span class="linenos">120</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-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="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-123"><a href="#decorrelate-123"><span class="linenos">123</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-124"><a href="#decorrelate-124"><span class="linenos">124</span></a>
|
||||
</span><span id="decorrelate-125"><a href="#decorrelate-125"><span class="linenos">125</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-126"><a href="#decorrelate-126"><span class="linenos">126</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-127"><a href="#decorrelate-127"><span class="linenos">127</span></a>
|
||||
</span><span id="decorrelate-128"><a href="#decorrelate-128"><span class="linenos">128</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="decorrelate-130"><a href="#decorrelate-130"><span class="linenos">130</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-131"><a href="#decorrelate-131"><span class="linenos">131</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-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">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>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="decorrelate-121"><a href="#decorrelate-121"><span class="linenos">121</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-122"><a href="#decorrelate-122"><span class="linenos">122</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-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">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-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="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-128"><a href="#decorrelate-128"><span class="linenos">128</span></a> <span class="n">keys</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><span id="decorrelate-130"><a href="#decorrelate-130"><span class="linenos">130</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="decorrelate-131"><a href="#decorrelate-131"><span class="linenos">131</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</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-133"><a href="#decorrelate-133"><span class="linenos">133</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-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="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-137"><a href="#decorrelate-137"><span class="linenos">137</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</span></a>
|
||||
</span><span id="decorrelate-139"><a href="#decorrelate-139"><span class="linenos">139</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-140"><a href="#decorrelate-140"><span class="linenos">140</span></a> <span class="n">key</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 class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</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="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-143"><a href="#decorrelate-143"><span class="linenos">143</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-144"><a href="#decorrelate-144"><span class="linenos">144</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-145"><a href="#decorrelate-145"><span class="linenos">145</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-146"><a href="#decorrelate-146"><span class="linenos">146</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-147"><a href="#decorrelate-147"><span class="linenos">147</span></a>
|
||||
</span><span id="decorrelate-148"><a href="#decorrelate-148"><span class="linenos">148</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-136"><a href="#decorrelate-136"><span class="linenos">136</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-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="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-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="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-142"><a href="#decorrelate-142"><span class="linenos">142</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="decorrelate-143"><a href="#decorrelate-143"><span class="linenos">143</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="decorrelate-144"><a href="#decorrelate-144"><span class="linenos">144</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="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-145"><a href="#decorrelate-145"><span class="linenos">145</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-146"><a href="#decorrelate-146"><span class="linenos">146</span></a> <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">return</span>
|
||||
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a>
|
||||
</span><span id="decorrelate-150"><a href="#decorrelate-150"><span class="linenos">150</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-151"><a href="#decorrelate-151"><span class="linenos">151</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-152"><a href="#decorrelate-152"><span class="linenos">152</span></a>
|
||||
</span><span id="decorrelate-153"><a href="#decorrelate-153"><span class="linenos">153</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-154"><a href="#decorrelate-154"><span class="linenos">154</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-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <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="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-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</span></a>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</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-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</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-164"><a href="#decorrelate-164"><span class="linenos">164</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-165"><a href="#decorrelate-165"><span class="linenos">165</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-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</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-168"><a href="#decorrelate-168"><span class="linenos">168</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-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-171"><a href="#decorrelate-171"><span class="linenos">171</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-172"><a href="#decorrelate-172"><span class="linenos">172</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-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="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-150"><a href="#decorrelate-150"><span class="linenos">150</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-151"><a href="#decorrelate-151"><span class="linenos">151</span></a>
|
||||
</span><span id="decorrelate-152"><a href="#decorrelate-152"><span class="linenos">152</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-153"><a href="#decorrelate-153"><span class="linenos">153</span></a> <span class="k">return</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">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</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-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</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-160"><a href="#decorrelate-160"><span class="linenos">160</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</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-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</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-166"><a href="#decorrelate-166"><span class="linenos">166</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-167"><a href="#decorrelate-167"><span class="linenos">167</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-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</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-170"><a href="#decorrelate-170"><span class="linenos">170</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-171"><a href="#decorrelate-171"><span class="linenos">171</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</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-174"><a href="#decorrelate-174"><span class="linenos">174</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-175"><a href="#decorrelate-175"><span class="linenos">175</span></a>
|
||||
</span><span id="decorrelate-176"><a href="#decorrelate-176"><span class="linenos">176</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-177"><a href="#decorrelate-177"><span class="linenos">177</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-178"><a href="#decorrelate-178"><span class="linenos">178</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-179"><a href="#decorrelate-179"><span class="linenos">179</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-180"><a href="#decorrelate-180"><span class="linenos">180</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</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-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</span></a>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</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-187"><a href="#decorrelate-187"><span class="linenos">187</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</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-189"><a href="#decorrelate-189"><span class="linenos">189</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-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">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-192"><a href="#decorrelate-192"><span class="linenos">192</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-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</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-196"><a href="#decorrelate-196"><span class="linenos">196</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-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</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-199"><a href="#decorrelate-199"><span class="linenos">199</span></a>
|
||||
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</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-201"><a href="#decorrelate-201"><span class="linenos">201</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-202"><a href="#decorrelate-202"><span class="linenos">202</span></a>
|
||||
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</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-204"><a href="#decorrelate-204"><span class="linenos">204</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-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">"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-206"><a href="#decorrelate-206"><span class="linenos">206</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-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="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-209"><a href="#decorrelate-209"><span class="linenos">209</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</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-211"><a href="#decorrelate-211"><span class="linenos">211</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-212"><a href="#decorrelate-212"><span class="linenos">212</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-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</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-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">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-216"><a href="#decorrelate-216"><span class="linenos">216</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-217"><a href="#decorrelate-217"><span class="linenos">217</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-218"><a href="#decorrelate-218"><span class="linenos">218</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</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-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</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-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 class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-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">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-226"><a href="#decorrelate-226"><span class="linenos">226</span></a>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</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-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</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-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="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-232"><a href="#decorrelate-232"><span class="linenos">232</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-233"><a href="#decorrelate-233"><span class="linenos">233</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-234"><a href="#decorrelate-234"><span class="linenos">234</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-235"><a href="#decorrelate-235"><span class="linenos">235</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-236"><a href="#decorrelate-236"><span class="linenos">236</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</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-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</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-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</span></a>
|
||||
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</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-176"><a href="#decorrelate-176"><span class="linenos">176</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-177"><a href="#decorrelate-177"><span class="linenos">177</span></a>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</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-179"><a href="#decorrelate-179"><span class="linenos">179</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-180"><a href="#decorrelate-180"><span class="linenos">180</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-181"><a href="#decorrelate-181"><span class="linenos">181</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-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</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-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="n">append</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="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <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="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-190"><a href="#decorrelate-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="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</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-192"><a href="#decorrelate-192"><span class="linenos">192</span></a>
|
||||
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</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-194"><a href="#decorrelate-194"><span class="linenos">194</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-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</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-198"><a href="#decorrelate-198"><span class="linenos">198</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-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">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-201"><a href="#decorrelate-201"><span class="linenos">201</span></a>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</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-203"><a href="#decorrelate-203"><span class="linenos">203</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-204"><a href="#decorrelate-204"><span class="linenos">204</span></a>
|
||||
</span><span id="decorrelate-205"><a href="#decorrelate-205"><span class="linenos">205</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-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">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-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 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-208"><a href="#decorrelate-208"><span class="linenos">208</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-209"><a href="#decorrelate-209"><span class="linenos">209</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-210"><a href="#decorrelate-210"><span class="linenos">210</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-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</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-213"><a href="#decorrelate-213"><span class="linenos">213</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-214"><a href="#decorrelate-214"><span class="linenos">214</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-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</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-217"><a href="#decorrelate-217"><span class="linenos">217</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-218"><a href="#decorrelate-218"><span class="linenos">218</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-219"><a href="#decorrelate-219"><span class="linenos">219</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-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</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-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</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-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-225"><span class="linenos">225</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-226"><a href="#decorrelate-226"><span class="linenos">226</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</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-228"><a href="#decorrelate-228"><span class="linenos">228</span></a>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</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-230"><a href="#decorrelate-230"><span class="linenos">230</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</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-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">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-234"><a href="#decorrelate-234"><span class="linenos">234</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-235"><a href="#decorrelate-235"><span class="linenos">235</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-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">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-237"><a href="#decorrelate-237"><span class="linenos">237</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-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</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-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</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-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</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-246"><a href="#decorrelate-246"><span class="linenos">246</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-247"><a href="#decorrelate-247"><span class="linenos">247</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-248"><a href="#decorrelate-248"><span class="linenos">248</span></a>
|
||||
</span><span id="decorrelate-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</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-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a>
|
||||
</span><span id="decorrelate-253"><a href="#decorrelate-253"><span class="linenos">253</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-254"><a href="#decorrelate-254"><span class="linenos">254</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-255"><a href="#decorrelate-255"><span class="linenos">255</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-256"><a href="#decorrelate-256"><span class="linenos">256</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-257"><a href="#decorrelate-257"><span class="linenos">257</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-258"><a href="#decorrelate-258"><span class="linenos">258</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-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-261"><a href="#decorrelate-261"><span class="linenos">261</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-262"><a href="#decorrelate-262"><span class="linenos">262</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-263"><a href="#decorrelate-263"><span class="linenos">263</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-264"><a href="#decorrelate-264"><span class="linenos">264</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_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-265"><a href="#decorrelate-265"><span class="linenos">265</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-266"><a href="#decorrelate-266"><span class="linenos">266</span></a>
|
||||
</span><span id="decorrelate-267"><a href="#decorrelate-267"><span class="linenos">267</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-268"><a href="#decorrelate-268"><span class="linenos">268</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-269"><a href="#decorrelate-269"><span class="linenos">269</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-270"><a href="#decorrelate-270"><span class="linenos">270</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-271"><a href="#decorrelate-271"><span class="linenos">271</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-272"><a href="#decorrelate-272"><span class="linenos">272</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-273"><a href="#decorrelate-273"><span class="linenos">273</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</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-246"><a href="#decorrelate-246"><span class="linenos">246</span></a>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</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-248"><a href="#decorrelate-248"><span class="linenos">248</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-249"><a href="#decorrelate-249"><span class="linenos">249</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-250"><a href="#decorrelate-250"><span class="linenos">250</span></a>
|
||||
</span><span id="decorrelate-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</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-253"><a href="#decorrelate-253"><span class="linenos">253</span></a> <span class="k">continue</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="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-256"><a href="#decorrelate-256"><span class="linenos">256</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-257"><a href="#decorrelate-257"><span class="linenos">257</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-258"><a href="#decorrelate-258"><span class="linenos">258</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-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</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-261"><a href="#decorrelate-261"><span class="linenos">261</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-262"><a href="#decorrelate-262"><span class="linenos">262</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-263"><a href="#decorrelate-263"><span class="linenos">263</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-264"><a href="#decorrelate-264"><span class="linenos">264</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-265"><a href="#decorrelate-265"><span class="linenos">265</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-266"><a href="#decorrelate-266"><span class="linenos">266</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_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-267"><a href="#decorrelate-267"><span class="linenos">267</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-268"><a href="#decorrelate-268"><span class="linenos">268</span></a>
|
||||
</span><span id="decorrelate-269"><a href="#decorrelate-269"><span class="linenos">269</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-270"><a href="#decorrelate-270"><span class="linenos">270</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-271"><a href="#decorrelate-271"><span class="linenos">271</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-272"><a href="#decorrelate-272"><span class="linenos">272</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-273"><a href="#decorrelate-273"><span class="linenos">273</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-274"><a href="#decorrelate-274"><span class="linenos">274</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-275"><a href="#decorrelate-275"><span class="linenos">275</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue