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Adding upstream version 18.7.0.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-13 21:03:05 +01:00
parent c4fc25c23b
commit be16920347
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
96 changed files with 59037 additions and 52828 deletions
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2
docs/search.js
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docs/sqlglot/_typing.html
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@ -53,14 +53,19 @@
<label class="view-source-button" for="mod-_typing-view-source"><span>View Source</span></label>
<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos">1</span></a><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos">2</span></a>
</span><span id="L-3"><a href="#L-3"><span class="linenos">3</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos">4</span></a>
</span><span id="L-5"><a href="#L-5"><span class="linenos">5</span></a><span class="kn">import</span> <span class="nn">sqlglot</span>
</span><span id="L-6"><a href="#L-6"><span class="linenos">6</span></a>
</span><span id="L-7"><a href="#L-7"><span class="linenos">7</span></a><span class="n">E</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">&quot;E&quot;</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="s2">&quot;sqlglot.exp.Expression&quot;</span><span class="p">)</span>
</span><span id="L-8"><a href="#L-8"><span class="linenos">8</span></a><span class="n">T</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">&quot;T&quot;</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a>
</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a>
</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">import</span> <span class="nn">sqlglot</span>
</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a>
</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="c1"># A little hack for backwards compatibility with Python 3.7.</span>
</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="c1"># For example, we might want a TypeVar for objects that support comparison e.g. SupportsRichComparisonT from typeshed.</span>
</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="c1"># But Python 3.7 doesn&#39;t support Protocols, so we&#39;d also need typing_extensions, which we don&#39;t want as a dependency.</span>
</span><span id="L-10"><a href="#L-10"><span class="linenos">10</span></a><span class="n">A</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">&quot;A&quot;</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span>
</span><span id="L-11"><a href="#L-11"><span class="linenos">11</span></a>
</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a><span class="n">E</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">&quot;E&quot;</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="s2">&quot;sqlglot.exp.Expression&quot;</span><span class="p">)</span>
</span><span id="L-13"><a href="#L-13"><span class="linenos">13</span></a><span class="n">T</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">&quot;T&quot;</span><span class="p">)</span>
</span></pre></div>

4
docs/sqlglot/_version.html
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@ -51,8 +51,8 @@
<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos">1</span></a><span class="c1"># file generated by setuptools_scm</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos">2</span></a><span class="c1"># don&#39;t change, don&#39;t track in version control</span>
</span><span id="L-3"><a href="#L-3"><span class="linenos">3</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="n">version</span> <span class="o">=</span> <span class="s1">&#39;18.5.0&#39;</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos">4</span></a><span class="n">__version_tuple__</span> <span class="o">=</span> <span class="n">version_tuple</span> <span class="o">=</span> <span class="p">(</span><span class="mi">18</span><span class="p">,</span> <span class="mi">5</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
</span><span id="L-3"><a href="#L-3"><span class="linenos">3</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="n">version</span> <span class="o">=</span> <span class="s1">&#39;18.6.0&#39;</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos">4</span></a><span class="n">__version_tuple__</span> <span class="o">=</span> <span class="n">version_tuple</span> <span class="o">=</span> <span class="p">(</span><span class="mi">18</span><span class="p">,</span> <span class="mi">6</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
</span></pre></div>

478
docs/sqlglot/dataframe/sql.html
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@ -777,7 +777,7 @@
<div class="attr function">
<span class="def">def</span>
<span class="name">createDataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">data</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312855216&#39;</span><span class="o">&gt;</span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312855216&#39;</span><span class="o">&gt;</span><span class="p">],</span> <span class="n">Tuple</span><span class="p">]]</span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837314723616&#39;</span><span class="o">&gt;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">samplingRatio</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">float</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">verifySchema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<span class="name">createDataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">data</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641746816&#39;</span><span class="o">&gt;</span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641746816&#39;</span><span class="o">&gt;</span><span class="p">],</span> <span class="n">Tuple</span><span class="p">]]</span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641690752&#39;</span><span class="o">&gt;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">samplingRatio</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">float</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">verifySchema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<label class="view-source-button" for="SparkSession.createDataFrame-view-source"><span>View Source</span></label>
@ -1829,7 +1829,7 @@
<input id="DataFrame.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="name">DataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">spark</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837317713728&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Select">sqlglot.expressions.Select</a></span>,</span><span class="param"> <span class="n">branch_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">sequence_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">last_op</span><span class="p">:</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">dataframe</span><span class="o">.</span><span class="n">sql</span><span class="o">.</span><span class="n">operations</span><span class="o">.</span><span class="n">Operation</span> <span class="o">=</span> <span class="o">&lt;</span><span class="n">Operation</span><span class="o">.</span><span class="n">INIT</span><span class="p">:</span> <span class="o">-</span><span class="mi">1</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">pending_hints</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">output_expression_container</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837317947568&#39;</span><span class="o">&gt;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span>)</span>
<span class="name">DataFrame</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">spark</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723646523360&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Select">sqlglot.expressions.Select</a></span>,</span><span class="param"> <span class="n">branch_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">sequence_id</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">last_op</span><span class="p">:</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">dataframe</span><span class="o">.</span><span class="n">sql</span><span class="o">.</span><span class="n">operations</span><span class="o">.</span><span class="n">Operation</span> <span class="o">=</span> <span class="o">&lt;</span><span class="n">Operation</span><span class="o">.</span><span class="n">INIT</span><span class="p">:</span> <span class="o">-</span><span class="mi">1</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">pending_hints</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">output_expression_container</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723646524944&#39;</span><span class="o">&gt;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span>)</span>
<label class="view-source-button" for="DataFrame.__init__-view-source"><span>View Source</span></label>
@ -2018,7 +2018,7 @@
<div class="attr function">
<span class="def">def</span>
<span class="name">sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837313594752&#39;</span><span class="o">&gt;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">optimize</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span>
<span class="name">sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723642181744&#39;</span><span class="o">&gt;</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">optimize</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span>
<label class="view-source-button" for="DataFrame.sql-view-source"><span>View Source</span></label>
@ -2773,7 +2773,7 @@ is unlikely to come up.</p>
<div class="decorator">@operation(Operation.FROM)</div>
<span class="def">def</span>
<span class="name">fillna</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311755664&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o">...</span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<span class="name">fillna</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723642263136&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="o">...</span><span class="p">],</span> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<label class="view-source-button" for="DataFrame.fillna-view-source"><span>View Source</span></label>
@ -2842,7 +2842,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="decorator">@operation(Operation.FROM)</div>
<span class="def">def</span>
<span class="name">replace</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">to_replace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">Dict</span><span class="p">]</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Collection</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311922624&#39;</span><span class="o">&gt;</span><span class="p">],</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311922624&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<span class="name">replace</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">to_replace</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">Dict</span><span class="p">]</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">List</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">subset</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Collection</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640675040&#39;</span><span class="o">&gt;</span><span class="p">],</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640675040&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<label class="view-source-button" for="DataFrame.replace-view-source"><span>View Source</span></label>
@ -3047,7 +3047,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="decorator">@operation(Operation.NO_OP)</div>
<span class="def">def</span>
<span class="name">repartition</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">numPartitions</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312058512&#39;</span><span class="o">&gt;</span><span class="p">]</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312187264&#39;</span><span class="o">&gt;</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<span class="name">repartition</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">numPartitions</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640834224&#39;</span><span class="o">&gt;</span><span class="p">]</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640987104&#39;</span><span class="o">&gt;</span></span><span class="return-annotation">) -> <span class="n"><a href="#DataFrame">DataFrame</a></span>:</span></span>
<label class="view-source-button" for="DataFrame.repartition-view-source"><span>View Source</span></label>
@ -3630,124 +3630,132 @@ and check if it matches the type of the value provided. If not then make it null
</span><span id="Column-213"><a href="#Column-213"><span class="linenos">213</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="o">**</span><span class="p">{</span><span class="s2">&quot;dialect&quot;</span><span class="p">:</span> <span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">})</span>
</span><span id="Column-214"><a href="#Column-214"><span class="linenos">214</span></a>
</span><span id="Column-215"><a href="#Column-215"><span class="linenos">215</span></a> <span class="k">def</span> <span class="nf">alias</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-216"><a href="#Column-216"><span class="linenos">216</span></a> <span class="n">new_expression</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="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
</span><span id="Column-217"><a href="#Column-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-218"><a href="#Column-218"><span class="linenos">218</span></a>
</span><span id="Column-219"><a href="#Column-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">asc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-220"><a href="#Column-220"><span class="linenos">220</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column-221"><a href="#Column-221"><span class="linenos">221</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-222"><a href="#Column-222"><span class="linenos">222</span></a>
</span><span id="Column-223"><a href="#Column-223"><span class="linenos">223</span></a> <span class="k">def</span> <span class="nf">desc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-224"><a href="#Column-224"><span class="linenos">224</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column-216"><a href="#Column-216"><span class="linenos">216</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.session</span> <span class="kn">import</span> <span class="n">SparkSession</span>
</span><span id="Column-217"><a href="#Column-217"><span class="linenos">217</span></a>
</span><span id="Column-218"><a href="#Column-218"><span class="linenos">218</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span>
</span><span id="Column-219"><a href="#Column-219"><span class="linenos">219</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> <span class="o">=</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="Column-220"><a href="#Column-220"><span class="linenos">220</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span>
</span><span id="Column-221"><a href="#Column-221"><span class="linenos">221</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span>
</span><span id="Column-222"><a href="#Column-222"><span class="linenos">222</span></a> <span class="n">alias</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">name</span><span class="p">,</span>
</span><span id="Column-223"><a href="#Column-223"><span class="linenos">223</span></a> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span>
</span><span id="Column-224"><a href="#Column-224"><span class="linenos">224</span></a> <span class="p">)</span>
</span><span id="Column-225"><a href="#Column-225"><span class="linenos">225</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-226"><a href="#Column-226"><span class="linenos">226</span></a>
</span><span id="Column-227"><a href="#Column-227"><span class="linenos">227</span></a> <span class="n">asc_nulls_first</span> <span class="o">=</span> <span class="n">asc</span>
</span><span id="Column-228"><a href="#Column-228"><span class="linenos">228</span></a>
</span><span id="Column-229"><a href="#Column-229"><span class="linenos">229</span></a> <span class="k">def</span> <span class="nf">asc_nulls_last</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-230"><a href="#Column-230"><span class="linenos">230</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column-231"><a href="#Column-231"><span class="linenos">231</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-232"><a href="#Column-232"><span class="linenos">232</span></a>
</span><span id="Column-233"><a href="#Column-233"><span class="linenos">233</span></a> <span class="k">def</span> <span class="nf">desc_nulls_first</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-234"><a href="#Column-234"><span class="linenos">234</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column-235"><a href="#Column-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-227"><a href="#Column-227"><span class="linenos">227</span></a> <span class="k">def</span> <span class="nf">asc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-228"><a href="#Column-228"><span class="linenos">228</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column-229"><a href="#Column-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-230"><a href="#Column-230"><span class="linenos">230</span></a>
</span><span id="Column-231"><a href="#Column-231"><span class="linenos">231</span></a> <span class="k">def</span> <span class="nf">desc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-232"><a href="#Column-232"><span class="linenos">232</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column-233"><a href="#Column-233"><span class="linenos">233</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-234"><a href="#Column-234"><span class="linenos">234</span></a>
</span><span id="Column-235"><a href="#Column-235"><span class="linenos">235</span></a> <span class="n">asc_nulls_first</span> <span class="o">=</span> <span class="n">asc</span>
</span><span id="Column-236"><a href="#Column-236"><span class="linenos">236</span></a>
</span><span id="Column-237"><a href="#Column-237"><span class="linenos">237</span></a> <span class="n">desc_nulls_last</span> <span class="o">=</span> <span class="n">desc</span>
</span><span id="Column-238"><a href="#Column-238"><span class="linenos">238</span></a>
</span><span id="Column-239"><a href="#Column-239"><span class="linenos">239</span></a> <span class="k">def</span> <span class="nf">when</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">:</span> <span class="n">Column</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-240"><a href="#Column-240"><span class="linenos">240</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">when</span>
</span><span id="Column-241"><a href="#Column-241"><span class="linenos">241</span></a>
</span><span id="Column-242"><a href="#Column-242"><span class="linenos">242</span></a> <span class="n">column_with_if</span> <span class="o">=</span> <span class="n">when</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column-243"><a href="#Column-243"><span class="linenos">243</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="bp">self</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">Case</span><span class="p">):</span>
</span><span id="Column-244"><a href="#Column-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="n">column_with_if</span>
</span><span id="Column-245"><a href="#Column-245"><span class="linenos">245</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column-246"><a href="#Column-246"><span class="linenos">246</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">column_with_if</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">])</span>
</span><span id="Column-247"><a href="#Column-247"><span class="linenos">247</span></a> <span class="k">return</span> <span class="n">new_column</span>
</span><span id="Column-248"><a href="#Column-248"><span class="linenos">248</span></a>
</span><span id="Column-249"><a href="#Column-249"><span class="linenos">249</span></a> <span class="k">def</span> <span class="nf">otherwise</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-250"><a href="#Column-250"><span class="linenos">250</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">lit</span>
</span><span id="Column-251"><a href="#Column-251"><span class="linenos">251</span></a>
</span><span id="Column-252"><a href="#Column-252"><span class="linenos">252</span></a> <span class="n">true_value</span> <span class="o">=</span> <span class="n">value</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
</span><span id="Column-237"><a href="#Column-237"><span class="linenos">237</span></a> <span class="k">def</span> <span class="nf">asc_nulls_last</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-238"><a href="#Column-238"><span class="linenos">238</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column-239"><a href="#Column-239"><span class="linenos">239</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-240"><a href="#Column-240"><span class="linenos">240</span></a>
</span><span id="Column-241"><a href="#Column-241"><span class="linenos">241</span></a> <span class="k">def</span> <span class="nf">desc_nulls_first</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-242"><a href="#Column-242"><span class="linenos">242</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column-243"><a href="#Column-243"><span class="linenos">243</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-244"><a href="#Column-244"><span class="linenos">244</span></a>
</span><span id="Column-245"><a href="#Column-245"><span class="linenos">245</span></a> <span class="n">desc_nulls_last</span> <span class="o">=</span> <span class="n">desc</span>
</span><span id="Column-246"><a href="#Column-246"><span class="linenos">246</span></a>
</span><span id="Column-247"><a href="#Column-247"><span class="linenos">247</span></a> <span class="k">def</span> <span class="nf">when</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">:</span> <span class="n">Column</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-248"><a href="#Column-248"><span class="linenos">248</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">when</span>
</span><span id="Column-249"><a href="#Column-249"><span class="linenos">249</span></a>
</span><span id="Column-250"><a href="#Column-250"><span class="linenos">250</span></a> <span class="n">column_with_if</span> <span class="o">=</span> <span class="n">when</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column-251"><a href="#Column-251"><span class="linenos">251</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="bp">self</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">Case</span><span class="p">):</span>
</span><span id="Column-252"><a href="#Column-252"><span class="linenos">252</span></a> <span class="k">return</span> <span class="n">column_with_if</span>
</span><span id="Column-253"><a href="#Column-253"><span class="linenos">253</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column-254"><a href="#Column-254"><span class="linenos">254</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;default&quot;</span><span class="p">,</span> <span class="n">true_value</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column-254"><a href="#Column-254"><span class="linenos">254</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">column_with_if</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">])</span>
</span><span id="Column-255"><a href="#Column-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="n">new_column</span>
</span><span id="Column-256"><a href="#Column-256"><span class="linenos">256</span></a>
</span><span id="Column-257"><a href="#Column-257"><span class="linenos">257</span></a> <span class="k">def</span> <span class="nf">isNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-258"><a href="#Column-258"><span class="linenos">258</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">())</span>
</span><span id="Column-259"><a href="#Column-259"><span class="linenos">259</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-260"><a href="#Column-260"><span class="linenos">260</span></a>
</span><span id="Column-261"><a href="#Column-261"><span class="linenos">261</span></a> <span class="k">def</span> <span class="nf">isNotNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-262"><a href="#Column-262"><span class="linenos">262</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">()))</span>
</span><span id="Column-263"><a href="#Column-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-257"><a href="#Column-257"><span class="linenos">257</span></a> <span class="k">def</span> <span class="nf">otherwise</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-258"><a href="#Column-258"><span class="linenos">258</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">lit</span>
</span><span id="Column-259"><a href="#Column-259"><span class="linenos">259</span></a>
</span><span id="Column-260"><a href="#Column-260"><span class="linenos">260</span></a> <span class="n">true_value</span> <span class="o">=</span> <span class="n">value</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
</span><span id="Column-261"><a href="#Column-261"><span class="linenos">261</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column-262"><a href="#Column-262"><span class="linenos">262</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;default&quot;</span><span class="p">,</span> <span class="n">true_value</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column-263"><a href="#Column-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="n">new_column</span>
</span><span id="Column-264"><a href="#Column-264"><span class="linenos">264</span></a>
</span><span id="Column-265"><a href="#Column-265"><span class="linenos">265</span></a> <span class="k">def</span> <span class="nf">cast</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dataType</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">DataType</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-266"><a href="#Column-266"><span class="linenos">266</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="Column-267"><a href="#Column-267"><span class="linenos">267</span></a><span class="sd"> Functionality Difference: PySpark cast accepts a datatype instance of the datatype class</span>
</span><span id="Column-268"><a href="#Column-268"><span class="linenos">268</span></a><span class="sd"> Sqlglot doesn&#39;t currently replicate this class so it only accepts a string</span>
</span><span id="Column-269"><a href="#Column-269"><span class="linenos">269</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="Column-270"><a href="#Column-270"><span class="linenos">270</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.session</span> <span class="kn">import</span> <span class="n">SparkSession</span>
</span><span id="Column-271"><a href="#Column-271"><span class="linenos">271</span></a>
</span><span id="Column-272"><a href="#Column-272"><span class="linenos">272</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dataType</span><span class="p">,</span> <span class="n">DataType</span><span class="p">):</span>
</span><span id="Column-273"><a href="#Column-273"><span class="linenos">273</span></a> <span class="n">dataType</span> <span class="o">=</span> <span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span>
</span><span id="Column-274"><a href="#Column-274"><span class="linenos">274</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">dataType</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span><span class="p">))</span>
</span><span id="Column-275"><a href="#Column-275"><span class="linenos">275</span></a>
</span><span id="Column-276"><a href="#Column-276"><span class="linenos">276</span></a> <span class="k">def</span> <span class="nf">startswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-277"><a href="#Column-277"><span class="linenos">277</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column-278"><a href="#Column-278"><span class="linenos">278</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;STARTSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column-265"><a href="#Column-265"><span class="linenos">265</span></a> <span class="k">def</span> <span class="nf">isNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-266"><a href="#Column-266"><span class="linenos">266</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">())</span>
</span><span id="Column-267"><a href="#Column-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-268"><a href="#Column-268"><span class="linenos">268</span></a>
</span><span id="Column-269"><a href="#Column-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">isNotNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-270"><a href="#Column-270"><span class="linenos">270</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">()))</span>
</span><span id="Column-271"><a href="#Column-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column-272"><a href="#Column-272"><span class="linenos">272</span></a>
</span><span id="Column-273"><a href="#Column-273"><span class="linenos">273</span></a> <span class="k">def</span> <span class="nf">cast</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dataType</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">DataType</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-274"><a href="#Column-274"><span class="linenos">274</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="Column-275"><a href="#Column-275"><span class="linenos">275</span></a><span class="sd"> Functionality Difference: PySpark cast accepts a datatype instance of the datatype class</span>
</span><span id="Column-276"><a href="#Column-276"><span class="linenos">276</span></a><span class="sd"> Sqlglot doesn&#39;t currently replicate this class so it only accepts a string</span>
</span><span id="Column-277"><a href="#Column-277"><span class="linenos">277</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="Column-278"><a href="#Column-278"><span class="linenos">278</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.session</span> <span class="kn">import</span> <span class="n">SparkSession</span>
</span><span id="Column-279"><a href="#Column-279"><span class="linenos">279</span></a>
</span><span id="Column-280"><a href="#Column-280"><span class="linenos">280</span></a> <span class="k">def</span> <span class="nf">endswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-281"><a href="#Column-281"><span class="linenos">281</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column-282"><a href="#Column-282"><span class="linenos">282</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;ENDSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column-280"><a href="#Column-280"><span class="linenos">280</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dataType</span><span class="p">,</span> <span class="n">DataType</span><span class="p">):</span>
</span><span id="Column-281"><a href="#Column-281"><span class="linenos">281</span></a> <span class="n">dataType</span> <span class="o">=</span> <span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span>
</span><span id="Column-282"><a href="#Column-282"><span class="linenos">282</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">dataType</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span><span class="p">))</span>
</span><span id="Column-283"><a href="#Column-283"><span class="linenos">283</span></a>
</span><span id="Column-284"><a href="#Column-284"><span class="linenos">284</span></a> <span class="k">def</span> <span class="nf">rlike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">regexp</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-285"><a href="#Column-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-286"><a href="#Column-286"><span class="linenos">286</span></a> <span class="n">column</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="n">callable_expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">regexp</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-287"><a href="#Column-287"><span class="linenos">287</span></a> <span class="p">)</span>
</span><span id="Column-288"><a href="#Column-288"><span class="linenos">288</span></a>
</span><span id="Column-289"><a href="#Column-289"><span class="linenos">289</span></a> <span class="k">def</span> <span class="nf">like</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column-290"><a href="#Column-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-291"><a href="#Column-291"><span class="linenos">291</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-292"><a href="#Column-292"><span class="linenos">292</span></a> <span class="p">)</span>
</span><span id="Column-293"><a href="#Column-293"><span class="linenos">293</span></a>
</span><span id="Column-294"><a href="#Column-294"><span class="linenos">294</span></a> <span class="k">def</span> <span class="nf">ilike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column-295"><a href="#Column-295"><span class="linenos">295</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-296"><a href="#Column-296"><span class="linenos">296</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-297"><a href="#Column-297"><span class="linenos">297</span></a> <span class="p">)</span>
</span><span id="Column-298"><a href="#Column-298"><span class="linenos">298</span></a>
</span><span id="Column-299"><a href="#Column-299"><span class="linenos">299</span></a> <span class="k">def</span> <span class="nf">substr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">startPos</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">],</span> <span class="n">length</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-300"><a href="#Column-300"><span class="linenos">300</span></a> <span class="n">startPos</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">startPos</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">startPos</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">startPos</span>
</span><span id="Column-301"><a href="#Column-301"><span class="linenos">301</span></a> <span class="n">length</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">length</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">length</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">length</span>
</span><span id="Column-302"><a href="#Column-302"><span class="linenos">302</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-303"><a href="#Column-303"><span class="linenos">303</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">startPos</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">length</span><span class="o">=</span><span class="n">length</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-304"><a href="#Column-304"><span class="linenos">304</span></a> <span class="p">)</span>
</span><span id="Column-305"><a href="#Column-305"><span class="linenos">305</span></a>
</span><span id="Column-306"><a href="#Column-306"><span class="linenos">306</span></a> <span class="k">def</span> <span class="nf">isin</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">]]):</span>
</span><span id="Column-307"><a href="#Column-307"><span class="linenos">307</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">cols</span><span class="p">)</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">cols</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="p">(</span><span class="nb">list</span><span class="p">,</span> <span class="nb">set</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">))</span> <span class="k">else</span> <span class="n">cols</span> <span class="c1"># type: ignore</span>
</span><span id="Column-308"><a href="#Column-308"><span class="linenos">308</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">x</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span>
</span><span id="Column-309"><a href="#Column-309"><span class="linenos">309</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span><span class="bp">self</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">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">)</span> <span class="c1"># type: ignore</span>
</span><span id="Column-310"><a href="#Column-310"><span class="linenos">310</span></a>
</span><span id="Column-311"><a href="#Column-311"><span class="linenos">311</span></a> <span class="k">def</span> <span class="nf">between</span><span class="p">(</span>
</span><span id="Column-312"><a href="#Column-312"><span class="linenos">312</span></a> <span class="bp">self</span><span class="p">,</span>
</span><span id="Column-313"><a href="#Column-313"><span class="linenos">313</span></a> <span class="n">lowerBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column-314"><a href="#Column-314"><span class="linenos">314</span></a> <span class="n">upperBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column-315"><a href="#Column-315"><span class="linenos">315</span></a> <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-316"><a href="#Column-316"><span class="linenos">316</span></a> <span class="n">lower_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column-317"><a href="#Column-317"><span class="linenos">317</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lowerBound</span>
</span><span id="Column-318"><a href="#Column-318"><span class="linenos">318</span></a> <span class="p">)</span>
</span><span id="Column-319"><a href="#Column-319"><span class="linenos">319</span></a> <span class="n">upper_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column-320"><a href="#Column-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">upperBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">upperBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">upperBound</span>
</span><span id="Column-321"><a href="#Column-321"><span class="linenos">321</span></a> <span class="p">)</span>
</span><span id="Column-322"><a href="#Column-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span>
</span><span id="Column-323"><a href="#Column-323"><span class="linenos">323</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">(</span>
</span><span id="Column-324"><a href="#Column-324"><span class="linenos">324</span></a> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span>
</span><span id="Column-325"><a href="#Column-325"><span class="linenos">325</span></a> <span class="n">low</span><span class="o">=</span><span class="n">lower_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column-326"><a href="#Column-326"><span class="linenos">326</span></a> <span class="n">high</span><span class="o">=</span><span class="n">upper_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column-327"><a href="#Column-327"><span class="linenos">327</span></a> <span class="p">)</span>
</span><span id="Column-328"><a href="#Column-328"><span class="linenos">328</span></a> <span class="p">)</span>
</span><span id="Column-329"><a href="#Column-329"><span class="linenos">329</span></a>
</span><span id="Column-330"><a href="#Column-330"><span class="linenos">330</span></a> <span class="k">def</span> <span class="nf">over</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">window</span><span class="p">:</span> <span class="n">WindowSpec</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-331"><a href="#Column-331"><span class="linenos">331</span></a> <span class="n">window_expression</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column-332"><a href="#Column-332"><span class="linenos">332</span></a> <span class="n">window_expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;this&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column-333"><a href="#Column-333"><span class="linenos">333</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">window_expression</span><span class="p">)</span>
</span><span id="Column-284"><a href="#Column-284"><span class="linenos">284</span></a> <span class="k">def</span> <span class="nf">startswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-285"><a href="#Column-285"><span class="linenos">285</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column-286"><a href="#Column-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;STARTSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column-287"><a href="#Column-287"><span class="linenos">287</span></a>
</span><span id="Column-288"><a href="#Column-288"><span class="linenos">288</span></a> <span class="k">def</span> <span class="nf">endswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-289"><a href="#Column-289"><span class="linenos">289</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column-290"><a href="#Column-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;ENDSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column-291"><a href="#Column-291"><span class="linenos">291</span></a>
</span><span id="Column-292"><a href="#Column-292"><span class="linenos">292</span></a> <span class="k">def</span> <span class="nf">rlike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">regexp</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-293"><a href="#Column-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-294"><a href="#Column-294"><span class="linenos">294</span></a> <span class="n">column</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="n">callable_expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">regexp</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-295"><a href="#Column-295"><span class="linenos">295</span></a> <span class="p">)</span>
</span><span id="Column-296"><a href="#Column-296"><span class="linenos">296</span></a>
</span><span id="Column-297"><a href="#Column-297"><span class="linenos">297</span></a> <span class="k">def</span> <span class="nf">like</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column-298"><a href="#Column-298"><span class="linenos">298</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-299"><a href="#Column-299"><span class="linenos">299</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-300"><a href="#Column-300"><span class="linenos">300</span></a> <span class="p">)</span>
</span><span id="Column-301"><a href="#Column-301"><span class="linenos">301</span></a>
</span><span id="Column-302"><a href="#Column-302"><span class="linenos">302</span></a> <span class="k">def</span> <span class="nf">ilike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column-303"><a href="#Column-303"><span class="linenos">303</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-304"><a href="#Column-304"><span class="linenos">304</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-305"><a href="#Column-305"><span class="linenos">305</span></a> <span class="p">)</span>
</span><span id="Column-306"><a href="#Column-306"><span class="linenos">306</span></a>
</span><span id="Column-307"><a href="#Column-307"><span class="linenos">307</span></a> <span class="k">def</span> <span class="nf">substr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">startPos</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">],</span> <span class="n">length</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-308"><a href="#Column-308"><span class="linenos">308</span></a> <span class="n">startPos</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">startPos</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">startPos</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">startPos</span>
</span><span id="Column-309"><a href="#Column-309"><span class="linenos">309</span></a> <span class="n">length</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">length</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">length</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">length</span>
</span><span id="Column-310"><a href="#Column-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column-311"><a href="#Column-311"><span class="linenos">311</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">startPos</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">length</span><span class="o">=</span><span class="n">length</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column-312"><a href="#Column-312"><span class="linenos">312</span></a> <span class="p">)</span>
</span><span id="Column-313"><a href="#Column-313"><span class="linenos">313</span></a>
</span><span id="Column-314"><a href="#Column-314"><span class="linenos">314</span></a> <span class="k">def</span> <span class="nf">isin</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">]]):</span>
</span><span id="Column-315"><a href="#Column-315"><span class="linenos">315</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">cols</span><span class="p">)</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">cols</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="p">(</span><span class="nb">list</span><span class="p">,</span> <span class="nb">set</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">))</span> <span class="k">else</span> <span class="n">cols</span> <span class="c1"># type: ignore</span>
</span><span id="Column-316"><a href="#Column-316"><span class="linenos">316</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">x</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span>
</span><span id="Column-317"><a href="#Column-317"><span class="linenos">317</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span><span class="bp">self</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">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">)</span> <span class="c1"># type: ignore</span>
</span><span id="Column-318"><a href="#Column-318"><span class="linenos">318</span></a>
</span><span id="Column-319"><a href="#Column-319"><span class="linenos">319</span></a> <span class="k">def</span> <span class="nf">between</span><span class="p">(</span>
</span><span id="Column-320"><a href="#Column-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="p">,</span>
</span><span id="Column-321"><a href="#Column-321"><span class="linenos">321</span></a> <span class="n">lowerBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column-322"><a href="#Column-322"><span class="linenos">322</span></a> <span class="n">upperBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column-323"><a href="#Column-323"><span class="linenos">323</span></a> <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-324"><a href="#Column-324"><span class="linenos">324</span></a> <span class="n">lower_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column-325"><a href="#Column-325"><span class="linenos">325</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lowerBound</span>
</span><span id="Column-326"><a href="#Column-326"><span class="linenos">326</span></a> <span class="p">)</span>
</span><span id="Column-327"><a href="#Column-327"><span class="linenos">327</span></a> <span class="n">upper_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column-328"><a href="#Column-328"><span class="linenos">328</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">upperBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">upperBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">upperBound</span>
</span><span id="Column-329"><a href="#Column-329"><span class="linenos">329</span></a> <span class="p">)</span>
</span><span id="Column-330"><a href="#Column-330"><span class="linenos">330</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span>
</span><span id="Column-331"><a href="#Column-331"><span class="linenos">331</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">(</span>
</span><span id="Column-332"><a href="#Column-332"><span class="linenos">332</span></a> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span>
</span><span id="Column-333"><a href="#Column-333"><span class="linenos">333</span></a> <span class="n">low</span><span class="o">=</span><span class="n">lower_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column-334"><a href="#Column-334"><span class="linenos">334</span></a> <span class="n">high</span><span class="o">=</span><span class="n">upper_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column-335"><a href="#Column-335"><span class="linenos">335</span></a> <span class="p">)</span>
</span><span id="Column-336"><a href="#Column-336"><span class="linenos">336</span></a> <span class="p">)</span>
</span><span id="Column-337"><a href="#Column-337"><span class="linenos">337</span></a>
</span><span id="Column-338"><a href="#Column-338"><span class="linenos">338</span></a> <span class="k">def</span> <span class="nf">over</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">window</span><span class="p">:</span> <span class="n">WindowSpec</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column-339"><a href="#Column-339"><span class="linenos">339</span></a> <span class="n">window_expression</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column-340"><a href="#Column-340"><span class="linenos">340</span></a> <span class="n">window_expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;this&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column-341"><a href="#Column-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">window_expression</span><span class="p">)</span>
</span></pre></div>
@ -3757,7 +3765,7 @@ and check if it matches the type of the value provided. If not then make it null
<input id="Column.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="name">Column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837313928208&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span>)</span>
<span class="name">Column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723644804096&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span>)</span>
<label class="view-source-button" for="Column.__init__-view-source"><span>View Source</span></label>
@ -3801,7 +3809,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="decorator">@classmethod</div>
<span class="def">def</span>
<span class="name">ensure_col</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312269808&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">ensure_col</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">value</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641361440&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.ensure_col-view-source"><span>View Source</span></label>
@ -3822,7 +3830,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="decorator">@classmethod</div>
<span class="def">def</span>
<span class="name">ensure_cols</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">args</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312553392&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n"><a href="#Column">Column</a></span><span class="p">]</span>:</span></span>
<span class="name">ensure_cols</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">args</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641074208&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n"><a href="#Column">Column</a></span><span class="p">]</span>:</span></span>
<label class="view-source-button" for="Column.ensure_cols-view-source"><span>View Source</span></label>
@ -3843,7 +3851,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="decorator">@classmethod</div>
<span class="def">def</span>
<span class="name">invoke_anonymous_function</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311833936&#39;</span><span class="o">&gt;</span><span class="p">]</span>,</span><span class="param"> <span class="n">func_name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312381856&#39;</span><span class="o">&gt;</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">invoke_anonymous_function</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641354608&#39;</span><span class="o">&gt;</span><span class="p">]</span>,</span><span class="param"> <span class="n">func_name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640624640&#39;</span><span class="o">&gt;</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.invoke_anonymous_function-view-source"><span>View Source</span></label>
@ -3870,7 +3878,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="decorator">@classmethod</div>
<span class="def">def</span>
<span class="name">invoke_expression_over_column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312308880&#39;</span><span class="o">&gt;</span><span class="p">]</span>,</span><span class="param"> <span class="n">callable_expression</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">invoke_expression_over_column</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">column</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641165360&#39;</span><span class="o">&gt;</span><span class="p">]</span>,</span><span class="param"> <span class="n">callable_expression</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.invoke_expression_over_column-view-source"><span>View Source</span></label>
@ -3907,7 +3915,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="attr function">
<span class="def">def</span>
<span class="name">binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312651840&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641418848&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.binary_op-view-source"><span>View Source</span></label>
@ -3928,7 +3936,7 @@ and check if it matches the type of the value provided. If not then make it null
<div class="attr function">
<span class="def">def</span>
<span class="name">inverse_binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837312652944&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">inverse_binary_op</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">klass</span><span class="p">:</span> <span class="n">Callable</span>,</span><span class="param"> <span class="n">other</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641446480&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.inverse_binary_op-view-source"><span>View Source</span></label>
@ -4107,8 +4115,16 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.alias"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.alias-215"><a href="#Column.alias-215"><span class="linenos">215</span></a> <span class="k">def</span> <span class="nf">alias</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.alias-216"><a href="#Column.alias-216"><span class="linenos">216</span></a> <span class="n">new_expression</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="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
</span><span id="Column.alias-217"><a href="#Column.alias-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span><span id="Column.alias-216"><a href="#Column.alias-216"><span class="linenos">216</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.session</span> <span class="kn">import</span> <span class="n">SparkSession</span>
</span><span id="Column.alias-217"><a href="#Column.alias-217"><span class="linenos">217</span></a>
</span><span id="Column.alias-218"><a href="#Column.alias-218"><span class="linenos">218</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span>
</span><span id="Column.alias-219"><a href="#Column.alias-219"><span class="linenos">219</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> <span class="o">=</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="Column.alias-220"><a href="#Column.alias-220"><span class="linenos">220</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span>
</span><span id="Column.alias-221"><a href="#Column.alias-221"><span class="linenos">221</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span>
</span><span id="Column.alias-222"><a href="#Column.alias-222"><span class="linenos">222</span></a> <span class="n">alias</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">name</span><span class="p">,</span>
</span><span id="Column.alias-223"><a href="#Column.alias-223"><span class="linenos">223</span></a> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span>
</span><span id="Column.alias-224"><a href="#Column.alias-224"><span class="linenos">224</span></a> <span class="p">)</span>
</span><span id="Column.alias-225"><a href="#Column.alias-225"><span class="linenos">225</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4126,9 +4142,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.asc"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.asc-219"><a href="#Column.asc-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">asc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.asc-220"><a href="#Column.asc-220"><span class="linenos">220</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column.asc-221"><a href="#Column.asc-221"><span class="linenos">221</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.asc-227"><a href="#Column.asc-227"><span class="linenos">227</span></a> <span class="k">def</span> <span class="nf">asc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.asc-228"><a href="#Column.asc-228"><span class="linenos">228</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column.asc-229"><a href="#Column.asc-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4146,9 +4162,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.desc"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.desc-223"><a href="#Column.desc-223"><span class="linenos">223</span></a> <span class="k">def</span> <span class="nf">desc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.desc-224"><a href="#Column.desc-224"><span class="linenos">224</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column.desc-225"><a href="#Column.desc-225"><span class="linenos">225</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.desc-231"><a href="#Column.desc-231"><span class="linenos">231</span></a> <span class="k">def</span> <span class="nf">desc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.desc-232"><a href="#Column.desc-232"><span class="linenos">232</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column.desc-233"><a href="#Column.desc-233"><span class="linenos">233</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4166,9 +4182,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.asc_nulls_first"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.asc_nulls_first-219"><a href="#Column.asc_nulls_first-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">asc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.asc_nulls_first-220"><a href="#Column.asc_nulls_first-220"><span class="linenos">220</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column.asc_nulls_first-221"><a href="#Column.asc_nulls_first-221"><span class="linenos">221</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.asc_nulls_first-227"><a href="#Column.asc_nulls_first-227"><span class="linenos">227</span></a> <span class="k">def</span> <span class="nf">asc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.asc_nulls_first-228"><a href="#Column.asc_nulls_first-228"><span class="linenos">228</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column.asc_nulls_first-229"><a href="#Column.asc_nulls_first-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4186,9 +4202,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.asc_nulls_last"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.asc_nulls_last-229"><a href="#Column.asc_nulls_last-229"><span class="linenos">229</span></a> <span class="k">def</span> <span class="nf">asc_nulls_last</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.asc_nulls_last-230"><a href="#Column.asc_nulls_last-230"><span class="linenos">230</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column.asc_nulls_last-231"><a href="#Column.asc_nulls_last-231"><span class="linenos">231</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.asc_nulls_last-237"><a href="#Column.asc_nulls_last-237"><span class="linenos">237</span></a> <span class="k">def</span> <span class="nf">asc_nulls_last</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.asc_nulls_last-238"><a href="#Column.asc_nulls_last-238"><span class="linenos">238</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column.asc_nulls_last-239"><a href="#Column.asc_nulls_last-239"><span class="linenos">239</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4206,9 +4222,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.desc_nulls_first"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.desc_nulls_first-233"><a href="#Column.desc_nulls_first-233"><span class="linenos">233</span></a> <span class="k">def</span> <span class="nf">desc_nulls_first</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.desc_nulls_first-234"><a href="#Column.desc_nulls_first-234"><span class="linenos">234</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column.desc_nulls_first-235"><a href="#Column.desc_nulls_first-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.desc_nulls_first-241"><a href="#Column.desc_nulls_first-241"><span class="linenos">241</span></a> <span class="k">def</span> <span class="nf">desc_nulls_first</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.desc_nulls_first-242"><a href="#Column.desc_nulls_first-242"><span class="linenos">242</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
</span><span id="Column.desc_nulls_first-243"><a href="#Column.desc_nulls_first-243"><span class="linenos">243</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4226,9 +4242,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.desc_nulls_last"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.desc_nulls_last-223"><a href="#Column.desc_nulls_last-223"><span class="linenos">223</span></a> <span class="k">def</span> <span class="nf">desc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.desc_nulls_last-224"><a href="#Column.desc_nulls_last-224"><span class="linenos">224</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column.desc_nulls_last-225"><a href="#Column.desc_nulls_last-225"><span class="linenos">225</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.desc_nulls_last-231"><a href="#Column.desc_nulls_last-231"><span class="linenos">231</span></a> <span class="k">def</span> <span class="nf">desc</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.desc_nulls_last-232"><a href="#Column.desc_nulls_last-232"><span class="linenos">232</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">desc</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">nulls_first</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="Column.desc_nulls_last-233"><a href="#Column.desc_nulls_last-233"><span class="linenos">233</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4246,15 +4262,15 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.when"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.when-239"><a href="#Column.when-239"><span class="linenos">239</span></a> <span class="k">def</span> <span class="nf">when</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">:</span> <span class="n">Column</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.when-240"><a href="#Column.when-240"><span class="linenos">240</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">when</span>
</span><span id="Column.when-241"><a href="#Column.when-241"><span class="linenos">241</span></a>
</span><span id="Column.when-242"><a href="#Column.when-242"><span class="linenos">242</span></a> <span class="n">column_with_if</span> <span class="o">=</span> <span class="n">when</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column.when-243"><a href="#Column.when-243"><span class="linenos">243</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="bp">self</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">Case</span><span class="p">):</span>
</span><span id="Column.when-244"><a href="#Column.when-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="n">column_with_if</span>
</span><span id="Column.when-245"><a href="#Column.when-245"><span class="linenos">245</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column.when-246"><a href="#Column.when-246"><span class="linenos">246</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">column_with_if</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">])</span>
</span><span id="Column.when-247"><a href="#Column.when-247"><span class="linenos">247</span></a> <span class="k">return</span> <span class="n">new_column</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.when-247"><a href="#Column.when-247"><span class="linenos">247</span></a> <span class="k">def</span> <span class="nf">when</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">:</span> <span class="n">Column</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.when-248"><a href="#Column.when-248"><span class="linenos">248</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">when</span>
</span><span id="Column.when-249"><a href="#Column.when-249"><span class="linenos">249</span></a>
</span><span id="Column.when-250"><a href="#Column.when-250"><span class="linenos">250</span></a> <span class="n">column_with_if</span> <span class="o">=</span> <span class="n">when</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span><span id="Column.when-251"><a href="#Column.when-251"><span class="linenos">251</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="bp">self</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">Case</span><span class="p">):</span>
</span><span id="Column.when-252"><a href="#Column.when-252"><span class="linenos">252</span></a> <span class="k">return</span> <span class="n">column_with_if</span>
</span><span id="Column.when-253"><a href="#Column.when-253"><span class="linenos">253</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column.when-254"><a href="#Column.when-254"><span class="linenos">254</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">column_with_if</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;ifs&quot;</span><span class="p">])</span>
</span><span id="Column.when-255"><a href="#Column.when-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="n">new_column</span>
</span></pre></div>
@ -4272,13 +4288,13 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.otherwise"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.otherwise-249"><a href="#Column.otherwise-249"><span class="linenos">249</span></a> <span class="k">def</span> <span class="nf">otherwise</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.otherwise-250"><a href="#Column.otherwise-250"><span class="linenos">250</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">lit</span>
</span><span id="Column.otherwise-251"><a href="#Column.otherwise-251"><span class="linenos">251</span></a>
</span><span id="Column.otherwise-252"><a href="#Column.otherwise-252"><span class="linenos">252</span></a> <span class="n">true_value</span> <span class="o">=</span> <span class="n">value</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
</span><span id="Column.otherwise-253"><a href="#Column.otherwise-253"><span class="linenos">253</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column.otherwise-254"><a href="#Column.otherwise-254"><span class="linenos">254</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;default&quot;</span><span class="p">,</span> <span class="n">true_value</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column.otherwise-255"><a href="#Column.otherwise-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="n">new_column</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.otherwise-257"><a href="#Column.otherwise-257"><span class="linenos">257</span></a> <span class="k">def</span> <span class="nf">otherwise</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.otherwise-258"><a href="#Column.otherwise-258"><span class="linenos">258</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.functions</span> <span class="kn">import</span> <span class="n">lit</span>
</span><span id="Column.otherwise-259"><a href="#Column.otherwise-259"><span class="linenos">259</span></a>
</span><span id="Column.otherwise-260"><a href="#Column.otherwise-260"><span class="linenos">260</span></a> <span class="n">true_value</span> <span class="o">=</span> <span class="n">value</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
</span><span id="Column.otherwise-261"><a href="#Column.otherwise-261"><span class="linenos">261</span></a> <span class="n">new_column</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column.otherwise-262"><a href="#Column.otherwise-262"><span class="linenos">262</span></a> <span class="n">new_column</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;default&quot;</span><span class="p">,</span> <span class="n">true_value</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column.otherwise-263"><a href="#Column.otherwise-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="n">new_column</span>
</span></pre></div>
@ -4296,9 +4312,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.isNull"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.isNull-257"><a href="#Column.isNull-257"><span class="linenos">257</span></a> <span class="k">def</span> <span class="nf">isNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.isNull-258"><a href="#Column.isNull-258"><span class="linenos">258</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">())</span>
</span><span id="Column.isNull-259"><a href="#Column.isNull-259"><span class="linenos">259</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.isNull-265"><a href="#Column.isNull-265"><span class="linenos">265</span></a> <span class="k">def</span> <span class="nf">isNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.isNull-266"><a href="#Column.isNull-266"><span class="linenos">266</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">())</span>
</span><span id="Column.isNull-267"><a href="#Column.isNull-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4316,9 +4332,9 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.isNotNull"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.isNotNull-261"><a href="#Column.isNotNull-261"><span class="linenos">261</span></a> <span class="k">def</span> <span class="nf">isNotNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.isNotNull-262"><a href="#Column.isNotNull-262"><span class="linenos">262</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">()))</span>
</span><span id="Column.isNotNull-263"><a href="#Column.isNotNull-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.isNotNull-269"><a href="#Column.isNotNull-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">isNotNull</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.isNotNull-270"><a href="#Column.isNotNull-270"><span class="linenos">270</span></a> <span class="n">new_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">()))</span>
</span><span id="Column.isNotNull-271"><a href="#Column.isNotNull-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">new_expression</span><span class="p">)</span>
</span></pre></div>
@ -4336,16 +4352,16 @@ and check if it matches the type of the value provided. If not then make it null
</div>
<a class="headerlink" href="#Column.cast"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.cast-265"><a href="#Column.cast-265"><span class="linenos">265</span></a> <span class="k">def</span> <span class="nf">cast</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dataType</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">DataType</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.cast-266"><a href="#Column.cast-266"><span class="linenos">266</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="Column.cast-267"><a href="#Column.cast-267"><span class="linenos">267</span></a><span class="sd"> Functionality Difference: PySpark cast accepts a datatype instance of the datatype class</span>
</span><span id="Column.cast-268"><a href="#Column.cast-268"><span class="linenos">268</span></a><span class="sd"> Sqlglot doesn&#39;t currently replicate this class so it only accepts a string</span>
</span><span id="Column.cast-269"><a href="#Column.cast-269"><span class="linenos">269</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="Column.cast-270"><a href="#Column.cast-270"><span class="linenos">270</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.session</span> <span class="kn">import</span> <span class="n">SparkSession</span>
</span><span id="Column.cast-271"><a href="#Column.cast-271"><span class="linenos">271</span></a>
</span><span id="Column.cast-272"><a href="#Column.cast-272"><span class="linenos">272</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dataType</span><span class="p">,</span> <span class="n">DataType</span><span class="p">):</span>
</span><span id="Column.cast-273"><a href="#Column.cast-273"><span class="linenos">273</span></a> <span class="n">dataType</span> <span class="o">=</span> <span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span>
</span><span id="Column.cast-274"><a href="#Column.cast-274"><span class="linenos">274</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">dataType</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span><span class="p">))</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.cast-273"><a href="#Column.cast-273"><span class="linenos">273</span></a> <span class="k">def</span> <span class="nf">cast</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dataType</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">DataType</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.cast-274"><a href="#Column.cast-274"><span class="linenos">274</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="Column.cast-275"><a href="#Column.cast-275"><span class="linenos">275</span></a><span class="sd"> Functionality Difference: PySpark cast accepts a datatype instance of the datatype class</span>
</span><span id="Column.cast-276"><a href="#Column.cast-276"><span class="linenos">276</span></a><span class="sd"> Sqlglot doesn&#39;t currently replicate this class so it only accepts a string</span>
</span><span id="Column.cast-277"><a href="#Column.cast-277"><span class="linenos">277</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="Column.cast-278"><a href="#Column.cast-278"><span class="linenos">278</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dataframe.sql.session</span> <span class="kn">import</span> <span class="n">SparkSession</span>
</span><span id="Column.cast-279"><a href="#Column.cast-279"><span class="linenos">279</span></a>
</span><span id="Column.cast-280"><a href="#Column.cast-280"><span class="linenos">280</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dataType</span><span class="p">,</span> <span class="n">DataType</span><span class="p">):</span>
</span><span id="Column.cast-281"><a href="#Column.cast-281"><span class="linenos">281</span></a> <span class="n">dataType</span> <span class="o">=</span> <span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span>
</span><span id="Column.cast-282"><a href="#Column.cast-282"><span class="linenos">282</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span> <span class="n">dataType</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">SparkSession</span><span class="p">()</span><span class="o">.</span><span class="n">dialect</span><span class="p">))</span>
</span></pre></div>
@ -4366,9 +4382,9 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
</div>
<a class="headerlink" href="#Column.startswith"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.startswith-276"><a href="#Column.startswith-276"><span class="linenos">276</span></a> <span class="k">def</span> <span class="nf">startswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.startswith-277"><a href="#Column.startswith-277"><span class="linenos">277</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column.startswith-278"><a href="#Column.startswith-278"><span class="linenos">278</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;STARTSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.startswith-284"><a href="#Column.startswith-284"><span class="linenos">284</span></a> <span class="k">def</span> <span class="nf">startswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.startswith-285"><a href="#Column.startswith-285"><span class="linenos">285</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column.startswith-286"><a href="#Column.startswith-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;STARTSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span></pre></div>
@ -4386,9 +4402,9 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
</div>
<a class="headerlink" href="#Column.endswith"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.endswith-280"><a href="#Column.endswith-280"><span class="linenos">280</span></a> <span class="k">def</span> <span class="nf">endswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.endswith-281"><a href="#Column.endswith-281"><span class="linenos">281</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column.endswith-282"><a href="#Column.endswith-282"><span class="linenos">282</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;ENDSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.endswith-288"><a href="#Column.endswith-288"><span class="linenos">288</span></a> <span class="k">def</span> <span class="nf">endswith</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.endswith-289"><a href="#Column.endswith-289"><span class="linenos">289</span></a> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">value</span>
</span><span id="Column.endswith-290"><a href="#Column.endswith-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_anonymous_function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">&quot;ENDSWITH&quot;</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
</span></pre></div>
@ -4406,10 +4422,10 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
</div>
<a class="headerlink" href="#Column.rlike"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.rlike-284"><a href="#Column.rlike-284"><span class="linenos">284</span></a> <span class="k">def</span> <span class="nf">rlike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">regexp</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.rlike-285"><a href="#Column.rlike-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.rlike-286"><a href="#Column.rlike-286"><span class="linenos">286</span></a> <span class="n">column</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="n">callable_expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">regexp</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.rlike-287"><a href="#Column.rlike-287"><span class="linenos">287</span></a> <span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.rlike-292"><a href="#Column.rlike-292"><span class="linenos">292</span></a> <span class="k">def</span> <span class="nf">rlike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">regexp</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.rlike-293"><a href="#Column.rlike-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.rlike-294"><a href="#Column.rlike-294"><span class="linenos">294</span></a> <span class="n">column</span><span class="o">=</span><span class="bp">self</span><span class="p">,</span> <span class="n">callable_expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">regexp</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.rlike-295"><a href="#Column.rlike-295"><span class="linenos">295</span></a> <span class="p">)</span>
</span></pre></div>
@ -4427,10 +4443,10 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
</div>
<a class="headerlink" href="#Column.like"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.like-289"><a href="#Column.like-289"><span class="linenos">289</span></a> <span class="k">def</span> <span class="nf">like</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column.like-290"><a href="#Column.like-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.like-291"><a href="#Column.like-291"><span class="linenos">291</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.like-292"><a href="#Column.like-292"><span class="linenos">292</span></a> <span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.like-297"><a href="#Column.like-297"><span class="linenos">297</span></a> <span class="k">def</span> <span class="nf">like</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column.like-298"><a href="#Column.like-298"><span class="linenos">298</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.like-299"><a href="#Column.like-299"><span class="linenos">299</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.like-300"><a href="#Column.like-300"><span class="linenos">300</span></a> <span class="p">)</span>
</span></pre></div>
@ -4448,10 +4464,10 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
</div>
<a class="headerlink" href="#Column.ilike"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.ilike-294"><a href="#Column.ilike-294"><span class="linenos">294</span></a> <span class="k">def</span> <span class="nf">ilike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column.ilike-295"><a href="#Column.ilike-295"><span class="linenos">295</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.ilike-296"><a href="#Column.ilike-296"><span class="linenos">296</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.ilike-297"><a href="#Column.ilike-297"><span class="linenos">297</span></a> <span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.ilike-302"><a href="#Column.ilike-302"><span class="linenos">302</span></a> <span class="k">def</span> <span class="nf">ilike</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
</span><span id="Column.ilike-303"><a href="#Column.ilike-303"><span class="linenos">303</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.ilike-304"><a href="#Column.ilike-304"><span class="linenos">304</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">other</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.ilike-305"><a href="#Column.ilike-305"><span class="linenos">305</span></a> <span class="p">)</span>
</span></pre></div>
@ -4469,12 +4485,12 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
</div>
<a class="headerlink" href="#Column.substr"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.substr-299"><a href="#Column.substr-299"><span class="linenos">299</span></a> <span class="k">def</span> <span class="nf">substr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">startPos</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">],</span> <span class="n">length</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.substr-300"><a href="#Column.substr-300"><span class="linenos">300</span></a> <span class="n">startPos</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">startPos</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">startPos</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">startPos</span>
</span><span id="Column.substr-301"><a href="#Column.substr-301"><span class="linenos">301</span></a> <span class="n">length</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">length</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">length</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">length</span>
</span><span id="Column.substr-302"><a href="#Column.substr-302"><span class="linenos">302</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.substr-303"><a href="#Column.substr-303"><span class="linenos">303</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">startPos</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">length</span><span class="o">=</span><span class="n">length</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.substr-304"><a href="#Column.substr-304"><span class="linenos">304</span></a> <span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.substr-307"><a href="#Column.substr-307"><span class="linenos">307</span></a> <span class="k">def</span> <span class="nf">substr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">startPos</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">],</span> <span class="n">length</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">Column</span><span class="p">])</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.substr-308"><a href="#Column.substr-308"><span class="linenos">308</span></a> <span class="n">startPos</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">startPos</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">startPos</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">startPos</span>
</span><span id="Column.substr-309"><a href="#Column.substr-309"><span class="linenos">309</span></a> <span class="n">length</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">length</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">length</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">length</span>
</span><span id="Column.substr-310"><a href="#Column.substr-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span>
</span><span id="Column.substr-311"><a href="#Column.substr-311"><span class="linenos">311</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">startPos</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">length</span><span class="o">=</span><span class="n">length</span><span class="o">.</span><span class="n">expression</span>
</span><span id="Column.substr-312"><a href="#Column.substr-312"><span class="linenos">312</span></a> <span class="p">)</span>
</span></pre></div>
@ -4486,16 +4502,16 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="attr function">
<span class="def">def</span>
<span class="name">isin</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837310748032&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">Iterable</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837310748032&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">):</span></span>
<span class="name">isin</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641655440&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">Iterable</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723641655440&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">):</span></span>
<label class="view-source-button" for="Column.isin-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Column.isin"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.isin-306"><a href="#Column.isin-306"><span class="linenos">306</span></a> <span class="k">def</span> <span class="nf">isin</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">]]):</span>
</span><span id="Column.isin-307"><a href="#Column.isin-307"><span class="linenos">307</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">cols</span><span class="p">)</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">cols</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="p">(</span><span class="nb">list</span><span class="p">,</span> <span class="nb">set</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">))</span> <span class="k">else</span> <span class="n">cols</span> <span class="c1"># type: ignore</span>
</span><span id="Column.isin-308"><a href="#Column.isin-308"><span class="linenos">308</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">x</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span>
</span><span id="Column.isin-309"><a href="#Column.isin-309"><span class="linenos">309</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span><span class="bp">self</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">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">)</span> <span class="c1"># type: ignore</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.isin-314"><a href="#Column.isin-314"><span class="linenos">314</span></a> <span class="k">def</span> <span class="nf">isin</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">]]):</span>
</span><span id="Column.isin-315"><a href="#Column.isin-315"><span class="linenos">315</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">cols</span><span class="p">)</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">cols</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="p">(</span><span class="nb">list</span><span class="p">,</span> <span class="nb">set</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">))</span> <span class="k">else</span> <span class="n">cols</span> <span class="c1"># type: ignore</span>
</span><span id="Column.isin-316"><a href="#Column.isin-316"><span class="linenos">316</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">x</span><span class="p">)</span><span class="o">.</span><span class="n">expression</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span>
</span><span id="Column.isin-317"><a href="#Column.isin-317"><span class="linenos">317</span></a> <span class="k">return</span> <span class="n">Column</span><span class="o">.</span><span class="n">invoke_expression_over_column</span><span class="p">(</span><span class="bp">self</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">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">)</span> <span class="c1"># type: ignore</span>
</span></pre></div>
@ -4507,30 +4523,30 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="attr function">
<span class="def">def</span>
<span class="name">between</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">lowerBound</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837310853392&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">upperBound</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837310907872&#39;</span><span class="o">&gt;</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">between</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">lowerBound</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723639598928&#39;</span><span class="o">&gt;</span>,</span><span class="param"> <span class="n">upperBound</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723639676288&#39;</span><span class="o">&gt;</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.between-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Column.between"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.between-311"><a href="#Column.between-311"><span class="linenos">311</span></a> <span class="k">def</span> <span class="nf">between</span><span class="p">(</span>
</span><span id="Column.between-312"><a href="#Column.between-312"><span class="linenos">312</span></a> <span class="bp">self</span><span class="p">,</span>
</span><span id="Column.between-313"><a href="#Column.between-313"><span class="linenos">313</span></a> <span class="n">lowerBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column.between-314"><a href="#Column.between-314"><span class="linenos">314</span></a> <span class="n">upperBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column.between-315"><a href="#Column.between-315"><span class="linenos">315</span></a> <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.between-316"><a href="#Column.between-316"><span class="linenos">316</span></a> <span class="n">lower_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column.between-317"><a href="#Column.between-317"><span class="linenos">317</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lowerBound</span>
</span><span id="Column.between-318"><a href="#Column.between-318"><span class="linenos">318</span></a> <span class="p">)</span>
</span><span id="Column.between-319"><a href="#Column.between-319"><span class="linenos">319</span></a> <span class="n">upper_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column.between-320"><a href="#Column.between-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">upperBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">upperBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">upperBound</span>
</span><span id="Column.between-321"><a href="#Column.between-321"><span class="linenos">321</span></a> <span class="p">)</span>
</span><span id="Column.between-322"><a href="#Column.between-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span>
</span><span id="Column.between-323"><a href="#Column.between-323"><span class="linenos">323</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">(</span>
</span><span id="Column.between-324"><a href="#Column.between-324"><span class="linenos">324</span></a> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span>
</span><span id="Column.between-325"><a href="#Column.between-325"><span class="linenos">325</span></a> <span class="n">low</span><span class="o">=</span><span class="n">lower_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column.between-326"><a href="#Column.between-326"><span class="linenos">326</span></a> <span class="n">high</span><span class="o">=</span><span class="n">upper_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column.between-327"><a href="#Column.between-327"><span class="linenos">327</span></a> <span class="p">)</span>
</span><span id="Column.between-328"><a href="#Column.between-328"><span class="linenos">328</span></a> <span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.between-319"><a href="#Column.between-319"><span class="linenos">319</span></a> <span class="k">def</span> <span class="nf">between</span><span class="p">(</span>
</span><span id="Column.between-320"><a href="#Column.between-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="p">,</span>
</span><span id="Column.between-321"><a href="#Column.between-321"><span class="linenos">321</span></a> <span class="n">lowerBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column.between-322"><a href="#Column.between-322"><span class="linenos">322</span></a> <span class="n">upperBound</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="n">ColumnOrLiteral</span><span class="p">],</span>
</span><span id="Column.between-323"><a href="#Column.between-323"><span class="linenos">323</span></a> <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.between-324"><a href="#Column.between-324"><span class="linenos">324</span></a> <span class="n">lower_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column.between-325"><a href="#Column.between-325"><span class="linenos">325</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">lowerBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">lowerBound</span>
</span><span id="Column.between-326"><a href="#Column.between-326"><span class="linenos">326</span></a> <span class="p">)</span>
</span><span id="Column.between-327"><a href="#Column.between-327"><span class="linenos">327</span></a> <span class="n">upper_bound_exp</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="Column.between-328"><a href="#Column.between-328"><span class="linenos">328</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_lit</span><span class="p">(</span><span class="n">upperBound</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">upperBound</span><span class="p">,</span> <span class="n">Column</span><span class="p">)</span> <span class="k">else</span> <span class="n">upperBound</span>
</span><span id="Column.between-329"><a href="#Column.between-329"><span class="linenos">329</span></a> <span class="p">)</span>
</span><span id="Column.between-330"><a href="#Column.between-330"><span class="linenos">330</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span>
</span><span id="Column.between-331"><a href="#Column.between-331"><span class="linenos">331</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">(</span>
</span><span id="Column.between-332"><a href="#Column.between-332"><span class="linenos">332</span></a> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">,</span>
</span><span id="Column.between-333"><a href="#Column.between-333"><span class="linenos">333</span></a> <span class="n">low</span><span class="o">=</span><span class="n">lower_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column.between-334"><a href="#Column.between-334"><span class="linenos">334</span></a> <span class="n">high</span><span class="o">=</span><span class="n">upper_bound_exp</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span>
</span><span id="Column.between-335"><a href="#Column.between-335"><span class="linenos">335</span></a> <span class="p">)</span>
</span><span id="Column.between-336"><a href="#Column.between-336"><span class="linenos">336</span></a> <span class="p">)</span>
</span></pre></div>
@ -4542,16 +4558,16 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="attr function">
<span class="def">def</span>
<span class="name">over</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">window</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837310981968&#39;</span><span class="o">&gt;</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<span class="name">over</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">window</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723639702768&#39;</span><span class="o">&gt;</span></span><span class="return-annotation">) -> <span class="n"><a href="#Column">Column</a></span>:</span></span>
<label class="view-source-button" for="Column.over-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#Column.over"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.over-330"><a href="#Column.over-330"><span class="linenos">330</span></a> <span class="k">def</span> <span class="nf">over</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">window</span><span class="p">:</span> <span class="n">WindowSpec</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.over-331"><a href="#Column.over-331"><span class="linenos">331</span></a> <span class="n">window_expression</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column.over-332"><a href="#Column.over-332"><span class="linenos">332</span></a> <span class="n">window_expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;this&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column.over-333"><a href="#Column.over-333"><span class="linenos">333</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">window_expression</span><span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="Column.over-338"><a href="#Column.over-338"><span class="linenos">338</span></a> <span class="k">def</span> <span class="nf">over</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">window</span><span class="p">:</span> <span class="n">WindowSpec</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Column</span><span class="p">:</span>
</span><span id="Column.over-339"><a href="#Column.over-339"><span class="linenos">339</span></a> <span class="n">window_expression</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
</span><span id="Column.over-340"><a href="#Column.over-340"><span class="linenos">340</span></a> <span class="n">window_expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;this&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">column_expression</span><span class="p">)</span>
</span><span id="Column.over-341"><a href="#Column.over-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="n">Column</span><span class="p">(</span><span class="n">window_expression</span><span class="p">)</span>
</span></pre></div>
@ -4787,7 +4803,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="decorator">@classmethod</div>
<span class="def">def</span>
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311435968&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311435968&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640181792&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640181792&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<label class="view-source-button" for="Window.partitionBy-view-source"><span>View Source</span></label>
@ -4808,7 +4824,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="decorator">@classmethod</div>
<span class="def">def</span>
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311484592&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311484592&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640214464&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640214464&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<label class="view-source-button" for="Window.orderBy-view-source"><span>View Source</span></label>
@ -5048,7 +5064,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="attr function">
<span class="def">def</span>
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311307536&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311307536&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<span class="name">partitionBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640052544&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723640052544&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<label class="view-source-button" for="WindowSpec.partitionBy-view-source"><span>View Source</span></label>
@ -5075,7 +5091,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string</p>
<div class="attr function">
<span class="def">def</span>
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311073200&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139837311073200&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<span class="name">orderBy</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="o">*</span><span class="n">cols</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723639942752&#39;</span><span class="o">&gt;</span><span class="p">,</span> <span class="n">List</span><span class="p">[</span><span class="o">&lt;</span><span class="n">MagicMock</span> <span class="nb">id</span><span class="o">=</span><span class="s1">&#39;139723639942752&#39;</span><span class="o">&gt;</span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n"><a href="#WindowSpec">WindowSpec</a></span>:</span></span>
<label class="view-source-button" for="WindowSpec.orderBy-view-source"><span>View Source</span></label>

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@ -45,6 +45,9 @@
<li>
<a class="function" href="#ensure_bool_predicates">ensure_bool_predicates</a>
</li>
<li>
<a class="function" href="#remove_ascending_order">remove_ascending_order</a>
</li>
</ul>
@ -90,70 +93,79 @@
</span><span id="L-20"><a href="#L-20"><span class="linenos">20</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">coerce_type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-21"><a href="#L-21"><span class="linenos">21</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-22"><a href="#L-22"><span class="linenos">22</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ensure_bool_predicates</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-23"><a href="#L-23"><span class="linenos">23</span></a>
</span><span id="L-24"><a href="#L-24"><span class="linenos">24</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-25"><a href="#L-25"><span class="linenos">25</span></a>
</span><span id="L-23"><a href="#L-23"><span class="linenos">23</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-24"><a href="#L-24"><span class="linenos">24</span></a>
</span><span id="L-25"><a href="#L-25"><span class="linenos">25</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-26"><a href="#L-26"><span class="linenos">26</span></a>
</span><span id="L-27"><a href="#L-27"><span class="linenos">27</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-28"><a href="#L-28"><span class="linenos">28</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">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
</span><span id="L-29"><a href="#L-29"><span class="linenos">29</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
</span><span id="L-30"><a href="#L-30"><span class="linenos">30</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-31"><a href="#L-31"><span class="linenos">31</span></a>
</span><span id="L-27"><a href="#L-27"><span class="linenos">27</span></a>
</span><span id="L-28"><a href="#L-28"><span class="linenos">28</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-29"><a href="#L-29"><span class="linenos">29</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">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
</span><span id="L-30"><a href="#L-30"><span class="linenos">30</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
</span><span id="L-31"><a href="#L-31"><span class="linenos">31</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-32"><a href="#L-32"><span class="linenos">32</span></a>
</span><span id="L-33"><a href="#L-33"><span class="linenos">33</span></a><span class="k">def</span> <span class="nf">coerce_type</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-34"><a href="#L-34"><span class="linenos">34</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">Binary</span><span class="p">):</span>
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="L-36"><a href="#L-36"><span class="linenos">36</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">Between</span><span class="p">):</span>
</span><span id="L-37"><a href="#L-37"><span class="linenos">37</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;low&quot;</span><span class="p">])</span>
</span><span id="L-38"><a href="#L-38"><span class="linenos">38</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">Extract</span><span class="p">):</span>
</span><span id="L-39"><a href="#L-39"><span class="linenos">39</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span><span class="p">:</span>
</span><span id="L-40"><a href="#L-40"><span class="linenos">40</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="s2">&quot;datetime&quot;</span><span class="p">)</span>
</span><span id="L-41"><a href="#L-41"><span class="linenos">41</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-42"><a href="#L-42"><span class="linenos">42</span></a>
</span><span id="L-33"><a href="#L-33"><span class="linenos">33</span></a>
</span><span id="L-34"><a href="#L-34"><span class="linenos">34</span></a><span class="k">def</span> <span class="nf">coerce_type</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</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">Binary</span><span class="p">):</span>
</span><span id="L-36"><a href="#L-36"><span class="linenos">36</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="L-37"><a href="#L-37"><span class="linenos">37</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">Between</span><span class="p">):</span>
</span><span id="L-38"><a href="#L-38"><span class="linenos">38</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;low&quot;</span><span class="p">])</span>
</span><span id="L-39"><a href="#L-39"><span class="linenos">39</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">Extract</span><span class="p">):</span>
</span><span id="L-40"><a href="#L-40"><span class="linenos">40</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span><span class="p">:</span>
</span><span id="L-41"><a href="#L-41"><span class="linenos">41</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="s2">&quot;datetime&quot;</span><span class="p">)</span>
</span><span id="L-42"><a href="#L-42"><span class="linenos">42</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-43"><a href="#L-43"><span class="linenos">43</span></a>
</span><span id="L-44"><a href="#L-44"><span class="linenos">44</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-45"><a href="#L-45"><span class="linenos">45</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-46"><a href="#L-46"><span class="linenos">46</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
</span><span id="L-47"><a href="#L-47"><span class="linenos">47</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos">48</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-49"><a href="#L-49"><span class="linenos">49</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</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 class="n">expression</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-52"><a href="#L-52"><span class="linenos">52</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos">53</span></a>
</span><span id="L-44"><a href="#L-44"><span class="linenos">44</span></a>
</span><span id="L-45"><a href="#L-45"><span class="linenos">45</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</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="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos">48</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-49"><a href="#L-49"><span class="linenos">49</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos">50</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-51"><a href="#L-51"><span class="linenos">51</span></a> <span class="p">):</span>
</span><span id="L-52"><a href="#L-52"><span class="linenos">52</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos">53</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-54"><a href="#L-54"><span class="linenos">54</span></a>
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a><span class="k">def</span> <span class="nf">ensure_bool_predicates</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</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">Connector</span><span class="p">):</span>
</span><span id="L-57"><a href="#L-57"><span class="linenos">57</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a>
</span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a> <span class="k">elif</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">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
</span><span id="L-61"><a href="#L-61"><span class="linenos">61</span></a> <span class="n">_replace_int_predicate</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-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">return</span> <span class="n">expression</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a>
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a>
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</span></a><span class="k">def</span> <span class="nf">ensure_bool_predicates</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-57"><a href="#L-57"><span class="linenos">57</span></a> <span class="k">if</span> <span class="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">Connector</span><span class="p">):</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</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">elif</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">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
</span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a> <span class="n">_replace_int_predicate</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-63"><a href="#L-63"><span class="linenos">63</span></a>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-65"><a href="#L-65"><span class="linenos">65</span></a>
</span><span id="L-66"><a href="#L-66"><span class="linenos">66</span></a><span class="k">def</span> <span class="nf">_coerce_date</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">([</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">]):</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos">68</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-69"><a href="#L-69"><span class="linenos">69</span></a> <span class="n">a</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-70"><a href="#L-70"><span class="linenos">70</span></a> <span class="ow">and</span> <span class="n">a</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span>
</span><span id="L-71"><a href="#L-71"><span class="linenos">71</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-72"><a href="#L-72"><span class="linenos">72</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">)</span>
</span><span id="L-73"><a href="#L-73"><span class="linenos">73</span></a> <span class="p">):</span>
</span><span id="L-74"><a href="#L-74"><span class="linenos">74</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="s2">&quot;date&quot;</span><span class="p">)</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><span id="L-77"><a href="#L-77"><span class="linenos">77</span></a><span class="k">def</span> <span class="nf">_replace_cast</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">Expression</span><span class="p">,</span> <span class="n">to</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-78"><a href="#L-78"><span class="linenos">78</span></a> <span class="n">data_type</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="n">to</span><span class="p">)</span>
</span><span id="L-79"><a href="#L-79"><span class="linenos">79</span></a> <span class="n">cast</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">data_type</span><span class="p">)</span>
</span><span id="L-80"><a href="#L-80"><span class="linenos">80</span></a> <span class="n">cast</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">data_type</span>
</span><span id="L-81"><a href="#L-81"><span class="linenos">81</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">cast</span><span class="p">)</span>
</span><span id="L-82"><a href="#L-82"><span class="linenos">82</span></a>
</span><span id="L-83"><a href="#L-83"><span class="linenos">83</span></a>
</span><span id="L-84"><a href="#L-84"><span class="linenos">84</span></a><span class="k">def</span> <span class="nf">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-85"><a href="#L-85"><span class="linenos">85</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">INTEGER_TYPES</span><span class="p">:</span>
</span><span id="L-86"><a href="#L-86"><span class="linenos">86</span></a> <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">NEQ</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">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-66"><a href="#L-66"><span class="linenos">66</span></a>
</span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos">68</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</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">&quot;desc&quot;</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
</span><span id="L-69"><a href="#L-69"><span class="linenos">69</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span>
</span><span id="L-70"><a href="#L-70"><span class="linenos">70</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;desc&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</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="k">return</span> <span class="n">expression</span>
</span><span id="L-73"><a href="#L-73"><span class="linenos">73</span></a>
</span><span id="L-74"><a href="#L-74"><span class="linenos">74</span></a>
</span><span id="L-75"><a href="#L-75"><span class="linenos">75</span></a><span class="k">def</span> <span class="nf">_coerce_date</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-76"><a href="#L-76"><span class="linenos">76</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">([</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">]):</span>
</span><span id="L-77"><a href="#L-77"><span class="linenos">77</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-78"><a href="#L-78"><span class="linenos">78</span></a> <span class="n">a</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-79"><a href="#L-79"><span class="linenos">79</span></a> <span class="ow">and</span> <span class="n">a</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span>
</span><span id="L-80"><a href="#L-80"><span class="linenos">80</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span>
</span><span id="L-81"><a href="#L-81"><span class="linenos">81</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">)</span>
</span><span id="L-82"><a href="#L-82"><span class="linenos">82</span></a> <span class="p">):</span>
</span><span id="L-83"><a href="#L-83"><span class="linenos">83</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="s2">&quot;date&quot;</span><span class="p">)</span>
</span><span id="L-84"><a href="#L-84"><span class="linenos">84</span></a>
</span><span id="L-85"><a href="#L-85"><span class="linenos">85</span></a>
</span><span id="L-86"><a href="#L-86"><span class="linenos">86</span></a><span class="k">def</span> <span class="nf">_replace_cast</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">Expression</span><span class="p">,</span> <span class="n">to</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-87"><a href="#L-87"><span class="linenos">87</span></a> <span class="n">data_type</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="n">to</span><span class="p">)</span>
</span><span id="L-88"><a href="#L-88"><span class="linenos">88</span></a> <span class="n">cast</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">data_type</span><span class="p">)</span>
</span><span id="L-89"><a href="#L-89"><span class="linenos">89</span></a> <span class="n">cast</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">data_type</span>
</span><span id="L-90"><a href="#L-90"><span class="linenos">90</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">cast</span><span class="p">)</span>
</span><span id="L-91"><a href="#L-91"><span class="linenos">91</span></a>
</span><span id="L-92"><a href="#L-92"><span class="linenos">92</span></a>
</span><span id="L-93"><a href="#L-93"><span class="linenos">93</span></a><span class="k">def</span> <span class="nf">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-94"><a href="#L-94"><span class="linenos">94</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">INTEGER_TYPES</span><span class="p">:</span>
</span><span id="L-95"><a href="#L-95"><span class="linenos">95</span></a> <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">NEQ</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">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></pre></div>
@ -184,8 +196,9 @@
</span><span id="canonicalize-21"><a href="#canonicalize-21"><span class="linenos">21</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">coerce_type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="canonicalize-22"><a href="#canonicalize-22"><span class="linenos">22</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="canonicalize-23"><a href="#canonicalize-23"><span class="linenos">23</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ensure_bool_predicates</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="canonicalize-24"><a href="#canonicalize-24"><span class="linenos">24</span></a>
</span><span id="canonicalize-25"><a href="#canonicalize-25"><span class="linenos">25</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="canonicalize-24"><a href="#canonicalize-24"><span class="linenos">24</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="canonicalize-25"><a href="#canonicalize-25"><span class="linenos">25</span></a>
</span><span id="canonicalize-26"><a href="#canonicalize-26"><span class="linenos">26</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
@ -214,10 +227,10 @@ conversions rely on type inference.</p>
</div>
<a class="headerlink" href="#add_text_to_concat"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="add_text_to_concat-28"><a href="#add_text_to_concat-28"><span class="linenos">28</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="add_text_to_concat-29"><a href="#add_text_to_concat-29"><span class="linenos">29</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">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
</span><span id="add_text_to_concat-30"><a href="#add_text_to_concat-30"><span class="linenos">30</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
</span><span id="add_text_to_concat-31"><a href="#add_text_to_concat-31"><span class="linenos">31</span></a> <span class="k">return</span> <span class="n">node</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="add_text_to_concat-29"><a href="#add_text_to_concat-29"><span class="linenos">29</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="add_text_to_concat-30"><a href="#add_text_to_concat-30"><span class="linenos">30</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">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
</span><span id="add_text_to_concat-31"><a href="#add_text_to_concat-31"><span class="linenos">31</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
</span><span id="add_text_to_concat-32"><a href="#add_text_to_concat-32"><span class="linenos">32</span></a> <span class="k">return</span> <span class="n">node</span>
</span></pre></div>
@ -235,15 +248,15 @@ conversions rely on type inference.</p>
</div>
<a class="headerlink" href="#coerce_type"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="coerce_type-34"><a href="#coerce_type-34"><span class="linenos">34</span></a><span class="k">def</span> <span class="nf">coerce_type</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="coerce_type-35"><a href="#coerce_type-35"><span class="linenos">35</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">Binary</span><span class="p">):</span>
</span><span id="coerce_type-36"><a href="#coerce_type-36"><span class="linenos">36</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="coerce_type-37"><a href="#coerce_type-37"><span class="linenos">37</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">Between</span><span class="p">):</span>
</span><span id="coerce_type-38"><a href="#coerce_type-38"><span class="linenos">38</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;low&quot;</span><span class="p">])</span>
</span><span id="coerce_type-39"><a href="#coerce_type-39"><span class="linenos">39</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">Extract</span><span class="p">):</span>
</span><span id="coerce_type-40"><a href="#coerce_type-40"><span class="linenos">40</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span><span class="p">:</span>
</span><span id="coerce_type-41"><a href="#coerce_type-41"><span class="linenos">41</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="s2">&quot;datetime&quot;</span><span class="p">)</span>
</span><span id="coerce_type-42"><a href="#coerce_type-42"><span class="linenos">42</span></a> <span class="k">return</span> <span class="n">node</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="coerce_type-35"><a href="#coerce_type-35"><span class="linenos">35</span></a><span class="k">def</span> <span class="nf">coerce_type</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">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="coerce_type-36"><a href="#coerce_type-36"><span class="linenos">36</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">Binary</span><span class="p">):</span>
</span><span id="coerce_type-37"><a href="#coerce_type-37"><span class="linenos">37</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="coerce_type-38"><a href="#coerce_type-38"><span class="linenos">38</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">Between</span><span class="p">):</span>
</span><span id="coerce_type-39"><a href="#coerce_type-39"><span class="linenos">39</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;low&quot;</span><span class="p">])</span>
</span><span id="coerce_type-40"><a href="#coerce_type-40"><span class="linenos">40</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">Extract</span><span class="p">):</span>
</span><span id="coerce_type-41"><a href="#coerce_type-41"><span class="linenos">41</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span><span class="p">:</span>
</span><span id="coerce_type-42"><a href="#coerce_type-42"><span class="linenos">42</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="s2">&quot;datetime&quot;</span><span class="p">)</span>
</span><span id="coerce_type-43"><a href="#coerce_type-43"><span class="linenos">43</span></a> <span class="k">return</span> <span class="n">node</span>
</span></pre></div>
@ -261,15 +274,15 @@ conversions rely on type inference.</p>
</div>
<a class="headerlink" href="#remove_redundant_casts"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_redundant_casts-45"><a href="#remove_redundant_casts-45"><span class="linenos">45</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="remove_redundant_casts-46"><a href="#remove_redundant_casts-46"><span class="linenos">46</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="remove_redundant_casts-47"><a href="#remove_redundant_casts-47"><span class="linenos">47</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
</span><span id="remove_redundant_casts-48"><a href="#remove_redundant_casts-48"><span class="linenos">48</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span>
</span><span id="remove_redundant_casts-49"><a href="#remove_redundant_casts-49"><span class="linenos">49</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
</span><span id="remove_redundant_casts-50"><a href="#remove_redundant_casts-50"><span class="linenos">50</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_redundant_casts-51"><a href="#remove_redundant_casts-51"><span class="linenos">51</span></a> <span class="p">):</span>
</span><span id="remove_redundant_casts-52"><a href="#remove_redundant_casts-52"><span class="linenos">52</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_redundant_casts-53"><a href="#remove_redundant_casts-53"><span class="linenos">53</span></a> <span class="k">return</span> <span class="n">expression</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_redundant_casts-46"><a href="#remove_redundant_casts-46"><span class="linenos">46</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="remove_redundant_casts-47"><a href="#remove_redundant_casts-47"><span class="linenos">47</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="remove_redundant_casts-48"><a href="#remove_redundant_casts-48"><span class="linenos">48</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
</span><span id="remove_redundant_casts-49"><a href="#remove_redundant_casts-49"><span class="linenos">49</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span>
</span><span id="remove_redundant_casts-50"><a href="#remove_redundant_casts-50"><span class="linenos">50</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
</span><span id="remove_redundant_casts-51"><a href="#remove_redundant_casts-51"><span class="linenos">51</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_redundant_casts-52"><a href="#remove_redundant_casts-52"><span class="linenos">52</span></a> <span class="p">):</span>
</span><span id="remove_redundant_casts-53"><a href="#remove_redundant_casts-53"><span class="linenos">53</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_redundant_casts-54"><a href="#remove_redundant_casts-54"><span class="linenos">54</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
@ -287,15 +300,38 @@ conversions rely on type inference.</p>
</div>
<a class="headerlink" href="#ensure_bool_predicates"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="ensure_bool_predicates-56"><a href="#ensure_bool_predicates-56"><span class="linenos">56</span></a><span class="k">def</span> <span class="nf">ensure_bool_predicates</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="ensure_bool_predicates-57"><a href="#ensure_bool_predicates-57"><span class="linenos">57</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">Connector</span><span class="p">):</span>
</span><span id="ensure_bool_predicates-58"><a href="#ensure_bool_predicates-58"><span class="linenos">58</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
</span><span id="ensure_bool_predicates-59"><a href="#ensure_bool_predicates-59"><span class="linenos">59</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="ensure_bool_predicates-60"><a href="#ensure_bool_predicates-60"><span class="linenos">60</span></a>
</span><span id="ensure_bool_predicates-61"><a href="#ensure_bool_predicates-61"><span class="linenos">61</span></a> <span class="k">elif</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">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
</span><span id="ensure_bool_predicates-62"><a href="#ensure_bool_predicates-62"><span class="linenos">62</span></a> <span class="n">_replace_int_predicate</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="ensure_bool_predicates-63"><a href="#ensure_bool_predicates-63"><span class="linenos">63</span></a>
</span><span id="ensure_bool_predicates-64"><a href="#ensure_bool_predicates-64"><span class="linenos">64</span></a> <span class="k">return</span> <span class="n">expression</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="ensure_bool_predicates-57"><a href="#ensure_bool_predicates-57"><span class="linenos">57</span></a><span class="k">def</span> <span class="nf">ensure_bool_predicates</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="ensure_bool_predicates-58"><a href="#ensure_bool_predicates-58"><span class="linenos">58</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">Connector</span><span class="p">):</span>
</span><span id="ensure_bool_predicates-59"><a href="#ensure_bool_predicates-59"><span class="linenos">59</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
</span><span id="ensure_bool_predicates-60"><a href="#ensure_bool_predicates-60"><span class="linenos">60</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
</span><span id="ensure_bool_predicates-61"><a href="#ensure_bool_predicates-61"><span class="linenos">61</span></a>
</span><span id="ensure_bool_predicates-62"><a href="#ensure_bool_predicates-62"><span class="linenos">62</span></a> <span class="k">elif</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">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
</span><span id="ensure_bool_predicates-63"><a href="#ensure_bool_predicates-63"><span class="linenos">63</span></a> <span class="n">_replace_int_predicate</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="ensure_bool_predicates-64"><a href="#ensure_bool_predicates-64"><span class="linenos">64</span></a>
</span><span id="ensure_bool_predicates-65"><a href="#ensure_bool_predicates-65"><span class="linenos">65</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
</section>
<section id="remove_ascending_order">
<input id="remove_ascending_order-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">remove_ascending_order</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
<label class="view-source-button" for="remove_ascending_order-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#remove_ascending_order"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_ascending_order-68"><a href="#remove_ascending_order-68"><span class="linenos">68</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="remove_ascending_order-69"><a href="#remove_ascending_order-69"><span class="linenos">69</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">Ordered</span><span class="p">)</span> <span class="ow">and</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">&quot;desc&quot;</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
</span><span id="remove_ascending_order-70"><a href="#remove_ascending_order-70"><span class="linenos">70</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span>
</span><span id="remove_ascending_order-71"><a href="#remove_ascending_order-71"><span class="linenos">71</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;desc&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
</span><span id="remove_ascending_order-72"><a href="#remove_ascending_order-72"><span class="linenos">72</span></a>
</span><span id="remove_ascending_order-73"><a href="#remove_ascending_order-73"><span class="linenos">73</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>

2
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@ -568,7 +568,7 @@ queries if it would result in multiple table selects in a single query:</p>
<div class="attr variable">
<span class="name">UNMERGABLE_ARGS</span> =
<input id="UNMERGABLE_ARGS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{&#39;group&#39;, &#39;locks&#39;, &#39;cluster&#39;, &#39;windows&#39;, &#39;sort&#39;, &#39;limit&#39;, &#39;sample&#39;, &#39;kind&#39;, &#39;having&#39;, &#39;settings&#39;, &#39;with&#39;, &#39;distribute&#39;, &#39;laterals&#39;, &#39;match&#39;, &#39;qualify&#39;, &#39;format&#39;, &#39;connect&#39;, &#39;offset&#39;, &#39;distinct&#39;, &#39;pivots&#39;, &#39;into&#39;}</span>
<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{&#39;kind&#39;, &#39;having&#39;, &#39;with&#39;, &#39;distribute&#39;, &#39;offset&#39;, &#39;cluster&#39;, &#39;sort&#39;, &#39;format&#39;, &#39;limit&#39;, &#39;settings&#39;, &#39;connect&#39;, &#39;into&#39;, &#39;sample&#39;, &#39;group&#39;, &#39;laterals&#39;, &#39;pivots&#39;, &#39;locks&#39;, &#39;windows&#39;, &#39;match&#39;, &#39;distinct&#39;, &#39;qualify&#39;}</span>
</div>

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@ -118,8 +118,8 @@
</span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a><span class="sd"> The qualified expression.</span>
</span><span id="L-61"><a href="#L-61"><span class="linenos">61</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span>
</span><span id="L-65"><a href="#L-65"><span class="linenos">65</span></a>
</span><span id="L-66"><a href="#L-66"><span class="linenos">66</span></a> <span class="k">if</span> <span class="n">isolate_tables</span><span class="p">:</span>
</span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">isolate_table_selects</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span>
@ -196,8 +196,8 @@
</span><span id="qualify-61"><a href="#qualify-61"><span class="linenos">61</span></a><span class="sd"> The qualified expression.</span>
</span><span id="qualify-62"><a href="#qualify-62"><span class="linenos">62</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="qualify-63"><a href="#qualify-63"><span class="linenos">63</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="qualify-64"><a href="#qualify-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span>
</span><span id="qualify-65"><a href="#qualify-65"><span class="linenos">65</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="qualify-64"><a href="#qualify-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
</span><span id="qualify-65"><a href="#qualify-65"><span class="linenos">65</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span>
</span><span id="qualify-66"><a href="#qualify-66"><span class="linenos">66</span></a>
</span><span id="qualify-67"><a href="#qualify-67"><span class="linenos">67</span></a> <span class="k">if</span> <span class="n">isolate_tables</span><span class="p">:</span>
</span><span id="qualify-68"><a href="#qualify-68"><span class="linenos">68</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">isolate_table_selects</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span>

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814
docs/sqlglot/optimizer/unnest_subqueries.html
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@ -107,229 +107,233 @@
</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="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-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="k">return</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a>
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</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-51"><a href="#L-51"><span class="linenos"> 51</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-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">&quot;from&quot;</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 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-55"><a href="#L-55"><span class="linenos"> 55</span></a>
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">if</span> <span class="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-57"><a href="#L-57"><span class="linenos"> 57</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-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="ow">and</span> <span class="p">(</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</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">&quot;group&quot;</span><span class="p">)</span>
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</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-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="p">)</span>
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="p">):</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</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-64"><a href="#L-64"><span class="linenos"> 64</span></a>
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">_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-66"><a href="#L-66"><span class="linenos"> 66</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">&quot;CROSS&quot;</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-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">return</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">)):</span>
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a>
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">clause</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">clause_parent_select</span> <span class="o">=</span> <span class="n">clause</span><span class="o">.</span><span class="n">parent_select</span> <span class="k">if</span> <span class="n">clause</span> <span class="k">else</span> <span class="kc">None</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a>
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)</span> <span class="ow">and</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="n">parent_select</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="ow">and</span> <span class="p">(</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;group&quot;</span><span class="p">)</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="p">)</span>
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="p">):</span>
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a>
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</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-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="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-73"><a href="#L-73"><span class="linenos"> 73</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-74"><a href="#L-74"><span class="linenos"> 74</span></a>
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">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-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="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-79"><a href="#L-79"><span class="linenos"> 79</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-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="n">on</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s1"> = &quot;</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;.&quot;</span><span class="si">{</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;&#39;</span><span class="p">)</span>
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;NOT </span><span class="si">{</span><span class="n">on</span><span class="o">.</span><span class="n">right</span><span class="si">}</span><span class="s2"> IS NULL&quot;</span><span class="p">)</span>
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a>
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">on</span><span class="o">=</span><span class="n">on</span><span class="p">,</span>
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</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-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="p">)</span>
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a>
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a>
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</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-94"><a href="#L-94"><span class="linenos"> 94</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">&quot;where&quot;</span><span class="p">)</span>
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</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-70"><a href="#L-70"><span class="linenos"> 70</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">&quot;CROSS&quot;</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-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="k">return</span>
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a>
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</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-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="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-77"><a href="#L-77"><span class="linenos"> 77</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-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="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-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">return</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="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-83"><a href="#L-83"><span class="linenos"> 83</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-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">on</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s1"> = &quot;</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;.&quot;</span><span class="si">{</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;&#39;</span><span class="p">)</span>
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;NOT </span><span class="si">{</span><span class="n">on</span><span class="o">.</span><span class="n">right</span><span class="si">}</span><span class="s2"> IS NULL&quot;</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">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">on</span><span class="o">=</span><span class="n">on</span><span class="p">,</span>
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</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-93"><a href="#L-93"><span class="linenos"> 93</span></a> <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="p">)</span>
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a>
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</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-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">return</span>
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a>
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a>
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="c1"># keys to convert it into a join</span>
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</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-105"><a href="#L-105"><span class="linenos">105</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-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">return</span>
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a>
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="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-109"><a href="#L-109"><span class="linenos">109</span></a>
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="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-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="k">return</span>
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a>
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="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-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</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-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="k">else</span><span class="p">:</span>
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">return</span>
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a>
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</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-123"><a href="#L-123"><span class="linenos">123</span></a>
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">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-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">return</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="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</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-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="p">)</span>
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a>
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a><span class="k">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-98"><a href="#L-98"><span class="linenos"> 98</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">&quot;where&quot;</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="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-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">return</span>
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a>
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</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-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="c1"># keys to convert it into a join</span>
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</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-109"><a href="#L-109"><span class="linenos">109</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-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">return</span>
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a>
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">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-113"><a href="#L-113"><span class="linenos">113</span></a>
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="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-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">return</span>
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="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-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</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-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="p">)</span>
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">else</span><span class="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">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-127"><a href="#L-127"><span class="linenos">127</span></a>
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">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-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">return</span>
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a>
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">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-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</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-132"><a href="#L-132"><span class="linenos">132</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-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="p">)</span>
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="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-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</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-138"><a href="#L-138"><span class="linenos">138</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-139"><a href="#L-139"><span class="linenos">139</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-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</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-142"><a href="#L-142"><span class="linenos">142</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-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="c1"># so that we don&#39;t do a many to many join</span>
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">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-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a>
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="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><span id="L-150"><a href="#L-150"><span class="linenos">150</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-151"><a href="#L-151"><span class="linenos">151</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-152"><a href="#L-152"><span class="linenos">152</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-153"><a href="#L-153"><span class="linenos">153</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-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</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-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <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="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</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-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;expressions&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a>
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</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-166"><a href="#L-166"><span class="linenos">166</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-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># so that we can use it as a join key</span>
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">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-170"><a href="#L-170"><span class="linenos">170</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">&quot;</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">&quot;</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-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</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-173"><a href="#L-173"><span class="linenos">173</span></a>
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</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-175"><a href="#L-175"><span class="linenos">175</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-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="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-178"><a href="#L-178"><span class="linenos">178</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-179"><a href="#L-179"><span class="linenos">179</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">&quot;NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL&quot;</span><span class="p">)</span>
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</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-181"><a href="#L-181"><span class="linenos">181</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-182"><a href="#L-182"><span class="linenos">182</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">&quot;ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span>
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="p">)</span>
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="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-185"><a href="#L-185"><span class="linenos">185</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-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;</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">&quot;</span><span class="p">)</span>
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</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-190"><a href="#L-190"><span class="linenos">190</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-191"><a href="#L-191"><span class="linenos">191</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">&quot;</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">&quot;</span><span class="p">)</span>
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _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">)&quot;</span><span class="p">,</span>
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="p">)</span>
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
</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">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-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="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">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-135"><a href="#L-135"><span class="linenos">135</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-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a>
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">for</span> <span class="n">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-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</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-142"><a href="#L-142"><span class="linenos">142</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-143"><a href="#L-143"><span class="linenos">143</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-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">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-146"><a href="#L-146"><span class="linenos">146</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-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="c1"># so that we don&#39;t do a many to many join</span>
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</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-150"><a href="#L-150"><span class="linenos">150</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-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">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-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="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-155"><a href="#L-155"><span class="linenos">155</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-156"><a href="#L-156"><span class="linenos">156</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-157"><a href="#L-157"><span class="linenos">157</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-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</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-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="p">)</span>
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a>
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</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-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</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-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;expressions&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a>
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</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-170"><a href="#L-170"><span class="linenos">170</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-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="c1"># so that we can use it as a join key</span>
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</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-174"><a href="#L-174"><span class="linenos">174</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">&quot;</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">&quot;</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-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="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-177"><a href="#L-177"><span class="linenos">177</span></a>
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="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-179"><a href="#L-179"><span class="linenos">179</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-180"><a href="#L-180"><span class="linenos">180</span></a>
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</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-182"><a href="#L-182"><span class="linenos">182</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-183"><a href="#L-183"><span class="linenos">183</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">&quot;NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL&quot;</span><span class="p">)</span>
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</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-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</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">&quot;ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span>
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="p">)</span>
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</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-189"><a href="#L-189"><span class="linenos">189</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-190"><a href="#L-190"><span class="linenos">190</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">&quot;</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">&quot;</span><span class="p">)</span>
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</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-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;</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">&quot;</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">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _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">)&quot;</span><span class="p">,</span>
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="p">)</span>
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</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">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-204"><a href="#L-204"><span class="linenos">204</span></a>
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</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-206"><a href="#L-206"><span class="linenos">206</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-207"><a href="#L-207"><span class="linenos">207</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-208"><a href="#L-208"><span class="linenos">208</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-209"><a href="#L-209"><span class="linenos">209</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-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a>
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</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-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="p">)</span>
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a>
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a>
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</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-220"><a href="#L-220"><span class="linenos">220</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-221"><a href="#L-221"><span class="linenos">221</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-205"><a href="#L-205"><span class="linenos">205</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-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</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-208"><a href="#L-208"><span class="linenos">208</span></a>
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">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-210"><a href="#L-210"><span class="linenos">210</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-211"><a href="#L-211"><span class="linenos">211</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-212"><a href="#L-212"><span class="linenos">212</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-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a>
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</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-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="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-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="p">)</span>
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a>
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</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-222"><a href="#L-222"><span class="linenos">222</span></a>
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="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">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-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">continue</span>
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</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-224"><a href="#L-224"><span class="linenos">224</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-225"><a href="#L-225"><span class="linenos">225</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-226"><a href="#L-226"><span class="linenos">226</span></a>
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</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-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</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-229"><a href="#L-229"><span class="linenos">229</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-230"><a href="#L-230"><span class="linenos">230</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-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="sa">f</span><span class="s2">&quot;(</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">))&quot;</span><span class="p">,</span>
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="p">)</span>
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">&quot;_x&quot;</span><span class="p">))</span>
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="sa">f</span><span class="s1">&#39;(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, &quot;_x&quot; -&gt; </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))&#39;</span><span class="p">,</span>
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="p">)</span>
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a>
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</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-242"><a href="#L-242"><span class="linenos">242</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-243"><a href="#L-243"><span class="linenos">243</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-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</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-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="p">)</span>
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a>
</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">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-251"><a href="#L-251"><span class="linenos">251</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-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="k">continue</span>
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a>
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</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-232"><a href="#L-232"><span class="linenos">232</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-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">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-234"><a href="#L-234"><span class="linenos">234</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-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="sa">f</span><span class="s2">&quot;(</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">))&quot;</span><span class="p">,</span>
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="p">)</span>
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</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">&quot;_x&quot;</span><span class="p">))</span>
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</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-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="sa">f</span><span class="s1">&#39;(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, &quot;_x&quot; -&gt; </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))&#39;</span><span class="p">,</span>
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="p">)</span>
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a>
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</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-246"><a href="#L-246"><span class="linenos">246</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-247"><a href="#L-247"><span class="linenos">247</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-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</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-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="p">)</span>
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a>
</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">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-255"><a href="#L-255"><span class="linenos">255</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-256"><a href="#L-256"><span class="linenos">256</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-254"><a href="#L-254"><span class="linenos">254</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-255"><a href="#L-255"><span class="linenos">255</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-256"><a href="#L-256"><span class="linenos">256</span></a>
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a>
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</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-259"><a href="#L-259"><span class="linenos">259</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-260"><a href="#L-260"><span class="linenos">260</span></a>
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">return</span> <span class="p">(</span>
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="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-265"><a href="#L-265"><span class="linenos">265</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-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="k">return</span> <span class="kc">None</span>
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</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-259"><a href="#L-259"><span class="linenos">259</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-260"><a href="#L-260"><span class="linenos">260</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-261"><a href="#L-261"><span class="linenos">261</span></a>
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span 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-263"><a href="#L-263"><span class="linenos">263</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-264"><a href="#L-264"><span class="linenos">264</span></a>
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</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-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="k">return</span> <span class="p">(</span>
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="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-269"><a href="#L-269"><span class="linenos">269</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-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="p">)</span>
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a>
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">return</span> <span class="kc">None</span>
</span></pre></div>
@ -429,51 +433,55 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
</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="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-48"><a href="#unnest-48"><span class="linenos">48</span></a> <span class="k">return</span>
</span><span id="unnest-49"><a href="#unnest-49"><span class="linenos">49</span></a>
</span><span id="unnest-50"><a href="#unnest-50"><span class="linenos">50</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
</span><span id="unnest-51"><a href="#unnest-51"><span class="linenos">51</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-52"><a href="#unnest-52"><span class="linenos">52</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-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">&quot;from&quot;</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 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-56"><a href="#unnest-56"><span class="linenos">56</span></a>
</span><span id="unnest-57"><a href="#unnest-57"><span class="linenos">57</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-58"><a href="#unnest-58"><span class="linenos">58</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-59"><a href="#unnest-59"><span class="linenos">59</span></a> <span class="ow">and</span> <span class="p">(</span>
</span><span id="unnest-60"><a href="#unnest-60"><span class="linenos">60</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">&quot;group&quot;</span><span class="p">)</span>
</span><span id="unnest-61"><a href="#unnest-61"><span class="linenos">61</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-62"><a href="#unnest-62"><span class="linenos">62</span></a> <span class="p">)</span>
</span><span id="unnest-63"><a href="#unnest-63"><span class="linenos">63</span></a> <span class="p">):</span>
</span><span id="unnest-64"><a href="#unnest-64"><span class="linenos">64</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-65"><a href="#unnest-65"><span class="linenos">65</span></a>
</span><span id="unnest-66"><a href="#unnest-66"><span class="linenos">66</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-67"><a href="#unnest-67"><span class="linenos">67</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">&quot;CROSS&quot;</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-68"><a href="#unnest-68"><span class="linenos">68</span></a> <span class="k">return</span>
</span><span id="unnest-54"><a href="#unnest-54"><span class="linenos">54</span></a> <span class="c1"># This subquery returns a scalar and can just be converted to a cross join</span>
</span><span id="unnest-55"><a href="#unnest-55"><span class="linenos">55</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">)):</span>
</span><span id="unnest-56"><a href="#unnest-56"><span class="linenos">56</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">alias</span><span class="p">)</span>
</span><span id="unnest-57"><a href="#unnest-57"><span class="linenos">57</span></a>
</span><span id="unnest-58"><a href="#unnest-58"><span class="linenos">58</span></a> <span class="n">clause</span> <span class="o">=</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">)</span>
</span><span id="unnest-59"><a href="#unnest-59"><span class="linenos">59</span></a> <span class="n">clause_parent_select</span> <span class="o">=</span> <span class="n">clause</span><span class="o">.</span><span class="n">parent_select</span> <span class="k">if</span> <span class="n">clause</span> <span class="k">else</span> <span class="kc">None</span>
</span><span id="unnest-60"><a href="#unnest-60"><span class="linenos">60</span></a>
</span><span id="unnest-61"><a href="#unnest-61"><span class="linenos">61</span></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">clause</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)</span> <span class="ow">and</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="n">parent_select</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span>
</span><span id="unnest-62"><a href="#unnest-62"><span class="linenos">62</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
</span><span id="unnest-63"><a href="#unnest-63"><span class="linenos">63</span></a> <span class="ow">and</span> <span class="p">(</span>
</span><span id="unnest-64"><a href="#unnest-64"><span class="linenos">64</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;group&quot;</span><span class="p">)</span>
</span><span id="unnest-65"><a href="#unnest-65"><span class="linenos">65</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
</span><span id="unnest-66"><a href="#unnest-66"><span class="linenos">66</span></a> <span class="p">)</span>
</span><span id="unnest-67"><a href="#unnest-67"><span class="linenos">67</span></a> <span class="p">):</span>
</span><span id="unnest-68"><a href="#unnest-68"><span class="linenos">68</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
</span><span id="unnest-69"><a href="#unnest-69"><span class="linenos">69</span></a>
</span><span id="unnest-70"><a href="#unnest-70"><span class="linenos">70</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-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="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-74"><a href="#unnest-74"><span class="linenos">74</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-75"><a href="#unnest-75"><span class="linenos">75</span></a>
</span><span id="unnest-76"><a href="#unnest-76"><span class="linenos">76</span></a> <span class="k">if</span> <span class="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-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="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-80"><a href="#unnest-80"><span class="linenos">80</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-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="n">on</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s1"> = &quot;</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;.&quot;</span><span class="si">{</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;&#39;</span><span class="p">)</span>
</span><span id="unnest-83"><a href="#unnest-83"><span class="linenos">83</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;NOT </span><span class="si">{</span><span class="n">on</span><span class="o">.</span><span class="n">right</span><span class="si">}</span><span class="s2"> IS NULL&quot;</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="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
</span><span id="unnest-86"><a href="#unnest-86"><span class="linenos">86</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
</span><span id="unnest-87"><a href="#unnest-87"><span class="linenos">87</span></a> <span class="n">on</span><span class="o">=</span><span class="n">on</span><span class="p">,</span>
</span><span id="unnest-88"><a href="#unnest-88"><span class="linenos">88</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="unnest-89"><a href="#unnest-89"><span class="linenos">89</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-90"><a href="#unnest-90"><span class="linenos">90</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="unnest-91"><a href="#unnest-91"><span class="linenos">91</span></a> <span class="p">)</span>
</span><span id="unnest-70"><a href="#unnest-70"><span class="linenos">70</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-71"><a href="#unnest-71"><span class="linenos">71</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">&quot;CROSS&quot;</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-72"><a href="#unnest-72"><span class="linenos">72</span></a> <span class="k">return</span>
</span><span id="unnest-73"><a href="#unnest-73"><span class="linenos">73</span></a>
</span><span id="unnest-74"><a href="#unnest-74"><span class="linenos">74</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-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="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-78"><a href="#unnest-78"><span class="linenos">78</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-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="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-81"><a href="#unnest-81"><span class="linenos">81</span></a> <span class="k">return</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="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-84"><a href="#unnest-84"><span class="linenos">84</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-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">on</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s1"> = &quot;</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;.&quot;</span><span class="si">{</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="si">}</span><span class="s1">&quot;&#39;</span><span class="p">)</span>
</span><span id="unnest-87"><a href="#unnest-87"><span class="linenos">87</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;NOT </span><span class="si">{</span><span class="n">on</span><span class="o">.</span><span class="n">right</span><span class="si">}</span><span class="s2"> IS NULL&quot;</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">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
</span><span id="unnest-90"><a href="#unnest-90"><span class="linenos">90</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
</span><span id="unnest-91"><a href="#unnest-91"><span class="linenos">91</span></a> <span class="n">on</span><span class="o">=</span><span class="n">on</span><span class="p">,</span>
</span><span id="unnest-92"><a href="#unnest-92"><span class="linenos">92</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="unnest-93"><a href="#unnest-93"><span class="linenos">93</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-94"><a href="#unnest-94"><span class="linenos">94</span></a> <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="p">)</span>
</span></pre></div>
@ -491,161 +499,161 @@ 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-94"><a href="#decorrelate-94"><span class="linenos"> 94</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-95"><a href="#decorrelate-95"><span class="linenos"> 95</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">&quot;where&quot;</span><span class="p">)</span>
</span><span id="decorrelate-96"><a href="#decorrelate-96"><span class="linenos"> 96</span></a>
</span><span id="decorrelate-97"><a href="#decorrelate-97"><span class="linenos"> 97</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-98"><a href="#decorrelate-98"><span class="linenos"> 98</span></a> <span class="k">return</span>
</span><span id="decorrelate-99"><a href="#decorrelate-99"><span class="linenos"> 99</span></a>
</span><span id="decorrelate-100"><a href="#decorrelate-100"><span class="linenos">100</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-101"><a href="#decorrelate-101"><span class="linenos">101</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="decorrelate-102"><a href="#decorrelate-102"><span class="linenos">102</span></a>
</span><span id="decorrelate-103"><a href="#decorrelate-103"><span class="linenos">103</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
</span><span id="decorrelate-104"><a href="#decorrelate-104"><span class="linenos">104</span></a> <span class="c1"># keys to convert it into a join</span>
</span><span id="decorrelate-105"><a href="#decorrelate-105"><span class="linenos">105</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-106"><a href="#decorrelate-106"><span class="linenos">106</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-107"><a href="#decorrelate-107"><span class="linenos">107</span></a> <span class="k">return</span>
</span><span id="decorrelate-108"><a href="#decorrelate-108"><span class="linenos">108</span></a>
</span><span id="decorrelate-109"><a href="#decorrelate-109"><span class="linenos">109</span></a> <span class="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-110"><a href="#decorrelate-110"><span class="linenos">110</span></a>
</span><span id="decorrelate-111"><a href="#decorrelate-111"><span class="linenos">111</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-112"><a href="#decorrelate-112"><span class="linenos">112</span></a> <span class="k">return</span>
</span><span id="decorrelate-113"><a href="#decorrelate-113"><span class="linenos">113</span></a>
</span><span id="decorrelate-114"><a href="#decorrelate-114"><span class="linenos">114</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-115"><a href="#decorrelate-115"><span class="linenos">115</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="decorrelate-116"><a href="#decorrelate-116"><span class="linenos">116</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
</span><span id="decorrelate-117"><a href="#decorrelate-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
</span><span id="decorrelate-118"><a href="#decorrelate-118"><span class="linenos">118</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-119"><a href="#decorrelate-119"><span class="linenos">119</span></a> <span class="p">)</span>
</span><span id="decorrelate-120"><a href="#decorrelate-120"><span class="linenos">120</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-121"><a href="#decorrelate-121"><span class="linenos">121</span></a> <span class="k">return</span>
</span><span id="decorrelate-122"><a href="#decorrelate-122"><span class="linenos">122</span></a>
</span><span id="decorrelate-123"><a href="#decorrelate-123"><span class="linenos">123</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-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="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-126"><a href="#decorrelate-126"><span class="linenos">126</span></a> <span class="k">return</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="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</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-130"><a href="#decorrelate-130"><span class="linenos">130</span></a> <span class="p">)</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="decorrelate-98"><a href="#decorrelate-98"><span class="linenos"> 98</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-99"><a href="#decorrelate-99"><span class="linenos"> 99</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">&quot;where&quot;</span><span class="p">)</span>
</span><span id="decorrelate-100"><a href="#decorrelate-100"><span class="linenos">100</span></a>
</span><span id="decorrelate-101"><a href="#decorrelate-101"><span class="linenos">101</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-102"><a href="#decorrelate-102"><span class="linenos">102</span></a> <span class="k">return</span>
</span><span id="decorrelate-103"><a href="#decorrelate-103"><span class="linenos">103</span></a>
</span><span id="decorrelate-104"><a href="#decorrelate-104"><span class="linenos">104</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-105"><a href="#decorrelate-105"><span class="linenos">105</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="decorrelate-106"><a href="#decorrelate-106"><span class="linenos">106</span></a>
</span><span id="decorrelate-107"><a href="#decorrelate-107"><span class="linenos">107</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
</span><span id="decorrelate-108"><a href="#decorrelate-108"><span class="linenos">108</span></a> <span class="c1"># keys to convert it into a join</span>
</span><span id="decorrelate-109"><a href="#decorrelate-109"><span class="linenos">109</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-110"><a href="#decorrelate-110"><span class="linenos">110</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-111"><a href="#decorrelate-111"><span class="linenos">111</span></a> <span class="k">return</span>
</span><span id="decorrelate-112"><a href="#decorrelate-112"><span class="linenos">112</span></a>
</span><span id="decorrelate-113"><a href="#decorrelate-113"><span class="linenos">113</span></a> <span class="n">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-114"><a href="#decorrelate-114"><span class="linenos">114</span></a>
</span><span id="decorrelate-115"><a href="#decorrelate-115"><span class="linenos">115</span></a> <span class="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-116"><a href="#decorrelate-116"><span class="linenos">116</span></a> <span class="k">return</span>
</span><span id="decorrelate-117"><a href="#decorrelate-117"><span class="linenos">117</span></a>
</span><span id="decorrelate-118"><a href="#decorrelate-118"><span class="linenos">118</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-119"><a href="#decorrelate-119"><span class="linenos">119</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
</span><span id="decorrelate-120"><a href="#decorrelate-120"><span class="linenos">120</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
</span><span id="decorrelate-121"><a href="#decorrelate-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
</span><span id="decorrelate-122"><a href="#decorrelate-122"><span class="linenos">122</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-123"><a href="#decorrelate-123"><span class="linenos">123</span></a> <span class="p">)</span>
</span><span id="decorrelate-124"><a href="#decorrelate-124"><span class="linenos">124</span></a> <span class="k">else</span><span class="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">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-128"><a href="#decorrelate-128"><span class="linenos">128</span></a>
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</span></a> <span class="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-130"><a href="#decorrelate-130"><span class="linenos">130</span></a> <span class="k">return</span>
</span><span id="decorrelate-131"><a href="#decorrelate-131"><span class="linenos">131</span></a>
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</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-133"><a href="#decorrelate-133"><span class="linenos">133</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
</span><span id="decorrelate-134"><a href="#decorrelate-134"><span class="linenos">134</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</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-133"><a href="#decorrelate-133"><span class="linenos">133</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-134"><a href="#decorrelate-134"><span class="linenos">134</span></a> <span class="p">)</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">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-137"><a href="#decorrelate-137"><span class="linenos">137</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</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-139"><a href="#decorrelate-139"><span class="linenos">139</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-140"><a href="#decorrelate-140"><span class="linenos">140</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-141"><a href="#decorrelate-141"><span class="linenos">141</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</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-143"><a href="#decorrelate-143"><span class="linenos">143</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-144"><a href="#decorrelate-144"><span class="linenos">144</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
</span><span id="decorrelate-145"><a href="#decorrelate-145"><span class="linenos">145</span></a> <span class="c1"># so that we don&#39;t do a many to many join</span>
</span><span id="decorrelate-146"><a href="#decorrelate-146"><span class="linenos">146</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-147"><a href="#decorrelate-147"><span class="linenos">147</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-148"><a href="#decorrelate-148"><span class="linenos">148</span></a>
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a> <span class="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><span id="decorrelate-151"><a href="#decorrelate-151"><span class="linenos">151</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-152"><a href="#decorrelate-152"><span class="linenos">152</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-153"><a href="#decorrelate-153"><span class="linenos">153</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-154"><a href="#decorrelate-154"><span class="linenos">154</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-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</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-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <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="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</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-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;expressions&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</span></a>
</span><span id="decorrelate-166"><a href="#decorrelate-166"><span class="linenos">166</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-167"><a href="#decorrelate-167"><span class="linenos">167</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-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="c1"># so that we can use it as a join key</span>
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</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-171"><a href="#decorrelate-171"><span class="linenos">171</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">&quot;</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">&quot;</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-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</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-174"><a href="#decorrelate-174"><span class="linenos">174</span></a>
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</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-176"><a href="#decorrelate-176"><span class="linenos">176</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-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="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-179"><a href="#decorrelate-179"><span class="linenos">179</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-180"><a href="#decorrelate-180"><span class="linenos">180</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">&quot;NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL&quot;</span><span class="p">)</span>
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</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-182"><a href="#decorrelate-182"><span class="linenos">182</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-183"><a href="#decorrelate-183"><span class="linenos">183</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">&quot;ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</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 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-186"><a href="#decorrelate-186"><span class="linenos">186</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-187"><a href="#decorrelate-187"><span class="linenos">187</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span 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">&quot;</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">&quot;</span><span class="p">)</span>
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
</span><span id="decorrelate-190"><a href="#decorrelate-190"><span class="linenos">190</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
</span><span id="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;</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">&quot;</span><span class="p">)</span>
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _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">)&quot;</span><span class="p">,</span>
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="p">)</span>
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
</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">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-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="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">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-136"><a href="#decorrelate-136"><span class="linenos">136</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-137"><a href="#decorrelate-137"><span class="linenos">137</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="decorrelate-139"><a href="#decorrelate-139"><span class="linenos">139</span></a>
</span><span id="decorrelate-140"><a href="#decorrelate-140"><span class="linenos">140</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-141"><a href="#decorrelate-141"><span class="linenos">141</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</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-143"><a href="#decorrelate-143"><span class="linenos">143</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-144"><a href="#decorrelate-144"><span class="linenos">144</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-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">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-147"><a href="#decorrelate-147"><span class="linenos">147</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-148"><a href="#decorrelate-148"><span class="linenos">148</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a> <span class="c1"># so that we don&#39;t do a many to many join</span>
</span><span id="decorrelate-150"><a href="#decorrelate-150"><span class="linenos">150</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-151"><a href="#decorrelate-151"><span class="linenos">151</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-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">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-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="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-156"><a href="#decorrelate-156"><span class="linenos">156</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-157"><a href="#decorrelate-157"><span class="linenos">157</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-158"><a href="#decorrelate-158"><span class="linenos">158</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-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</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-161"><a href="#decorrelate-161"><span class="linenos">161</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a> <span class="p">)</span>
</span><span id="decorrelate-164"><a href="#decorrelate-164"><span class="linenos">164</span></a>
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</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-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</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-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;expressions&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a>
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</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-171"><a href="#decorrelate-171"><span class="linenos">171</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-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</span></a> <span class="c1"># so that we can use it as a join key</span>
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</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-175"><a href="#decorrelate-175"><span class="linenos">175</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">&quot;</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">&quot;</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-176"><a href="#decorrelate-176"><span class="linenos">176</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-177"><a href="#decorrelate-177"><span class="linenos">177</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="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-178"><a href="#decorrelate-178"><span class="linenos">178</span></a>
</span><span id="decorrelate-179"><a href="#decorrelate-179"><span class="linenos">179</span></a> <span class="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-180"><a href="#decorrelate-180"><span class="linenos">180</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-181"><a href="#decorrelate-181"><span class="linenos">181</span></a>
</span><span id="decorrelate-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</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-184"><a href="#decorrelate-184"><span class="linenos">184</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">&quot;NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL&quot;</span><span class="p">)</span>
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</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-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</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">&quot;ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span>
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="p">)</span>
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</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-190"><a href="#decorrelate-190"><span class="linenos">190</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-191"><a href="#decorrelate-191"><span class="linenos">191</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">&quot;</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">&quot;</span><span class="p">)</span>
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</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-196"><a href="#decorrelate-196"><span class="linenos">196</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">&quot;</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">&quot;</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">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="sa">f</span><span class="s2">&quot;ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -&gt; _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">)&quot;</span><span class="p">,</span>
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a> <span class="p">)</span>
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</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">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-205"><a href="#decorrelate-205"><span class="linenos">205</span></a>
</span><span id="decorrelate-206"><a href="#decorrelate-206"><span class="linenos">206</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-207"><a href="#decorrelate-207"><span class="linenos">207</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-208"><a href="#decorrelate-208"><span class="linenos">208</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-209"><a href="#decorrelate-209"><span class="linenos">209</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-210"><a href="#decorrelate-210"><span class="linenos">210</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-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a>
</span><span id="decorrelate-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</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-216"><a href="#decorrelate-216"><span class="linenos">216</span></a> <span class="p">)</span>
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</span></a>
</span><span id="decorrelate-218"><a href="#decorrelate-218"><span class="linenos">218</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a>
</span><span id="decorrelate-220"><a href="#decorrelate-220"><span class="linenos">220</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-221"><a href="#decorrelate-221"><span class="linenos">221</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-222"><a href="#decorrelate-222"><span class="linenos">222</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-206"><a href="#decorrelate-206"><span class="linenos">206</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-207"><a href="#decorrelate-207"><span class="linenos">207</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</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-209"><a href="#decorrelate-209"><span class="linenos">209</span></a>
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</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-211"><a href="#decorrelate-211"><span class="linenos">211</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-212"><a href="#decorrelate-212"><span class="linenos">212</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-213"><a href="#decorrelate-213"><span class="linenos">213</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-214"><a href="#decorrelate-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</span></a>
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</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-218"><a href="#decorrelate-218"><span class="linenos">218</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a> <span class="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-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="p">)</span>
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a>
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</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-223"><a href="#decorrelate-223"><span class="linenos">223</span></a>
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="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">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-226"><a href="#decorrelate-226"><span class="linenos">226</span></a> <span class="k">continue</span>
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</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-225"><a href="#decorrelate-225"><span class="linenos">225</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-226"><a href="#decorrelate-226"><span class="linenos">226</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-227"><a href="#decorrelate-227"><span class="linenos">227</span></a>
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</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-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</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-230"><a href="#decorrelate-230"><span class="linenos">230</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-231"><a href="#decorrelate-231"><span class="linenos">231</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-232"><a href="#decorrelate-232"><span class="linenos">232</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a> <span class="sa">f</span><span class="s2">&quot;(</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">))&quot;</span><span class="p">,</span>
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="p">)</span>
</span><span id="decorrelate-235"><a href="#decorrelate-235"><span class="linenos">235</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-236"><a href="#decorrelate-236"><span class="linenos">236</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">&quot;_x&quot;</span><span class="p">))</span>
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="sa">f</span><span class="s1">&#39;(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, &quot;_x&quot; -&gt; </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))&#39;</span><span class="p">,</span>
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</span></a> <span class="p">)</span>
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a>
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</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-243"><a href="#decorrelate-243"><span class="linenos">243</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-244"><a href="#decorrelate-244"><span class="linenos">244</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-245"><a href="#decorrelate-245"><span class="linenos">245</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</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-247"><a href="#decorrelate-247"><span class="linenos">247</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a> <span class="p">)</span>
</span><span id="decorrelate-230"><a href="#decorrelate-230"><span class="linenos">230</span></a> <span class="k">continue</span>
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a>
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</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-233"><a href="#decorrelate-233"><span class="linenos">233</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-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">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-235"><a href="#decorrelate-235"><span class="linenos">235</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-236"><a href="#decorrelate-236"><span class="linenos">236</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="sa">f</span><span class="s2">&quot;(</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">))&quot;</span><span class="p">,</span>
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="p">)</span>
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</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">&quot;_x&quot;</span><span class="p">))</span>
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</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-242"><a href="#decorrelate-242"><span class="linenos">242</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="sa">f</span><span class="s1">&#39;(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s1"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s1">, &quot;_x&quot; -&gt; </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s1">))&#39;</span><span class="p">,</span>
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a> <span class="p">)</span>
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</span></a>
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</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-247"><a href="#decorrelate-247"><span class="linenos">247</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-248"><a href="#decorrelate-248"><span class="linenos">248</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-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;LEFT&quot;</span><span class="p">,</span>
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</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-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a> <span class="p">)</span>
</span></pre></div>

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@ -48,6 +48,12 @@
<li>
<a class="function" href="#explode_to_unnest">explode_to_unnest</a>
</li>
<li>
<a class="variable" href="#PERCENTILES">PERCENTILES</a>
</li>
<li>
<a class="function" href="#add_within_group_for_percentiles">add_within_group_for_percentiles</a>
</li>
<li>
<a class="function" href="#remove_within_group_for_percentiles">remove_within_group_for_percentiles</a>
</li>
@ -57,6 +63,12 @@
<li>
<a class="function" href="#epoch_cast_to_ts">epoch_cast_to_ts</a>
</li>
<li>
<a class="function" href="#timestamp_to_cast">timestamp_to_cast</a>
</li>
<li>
<a class="function" href="#eliminate_semi_and_anti_joins">eliminate_semi_and_anti_joins</a>
</li>
<li>
<a class="function" href="#preprocess">preprocess</a>
</li>
@ -231,7 +243,7 @@
</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="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unnest</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-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">unnest</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">&quot;alias&quot;</span><span class="p">)</span>
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span> <span class="k">if</span> <span class="n">unnest</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">&quot;ordinality&quot;</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span>
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span> <span class="k">if</span> <span class="n">unnest</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">&quot;offset&quot;</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</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="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;joins&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">join</span><span class="p">)</span>
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a>
@ -248,150 +260,260 @@
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a>
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a>
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a><span class="k">def</span> <span class="nf">explode_to_unnest</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;Convert explode/posexplode into unnest (used in hive -&gt; presto).&quot;&quot;&quot;</span>
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">Scope</span>
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a>
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">taken_select_names</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span><span class="p">)</span>
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="n">taken_source_names</span> <span class="o">=</span> <span class="p">{</span><span class="n">name</span> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">Scope</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="o">.</span><span class="n">references</span><span class="p">}</span>
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a>
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">to_replace</span> <span class="o">=</span> <span class="n">select</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="n">pos_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a><span class="k">def</span> <span class="nf">explode_to_unnest</span><span class="p">(</span><span class="n">index_offset</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="k">def</span> <span class="nf">_explode_to_unnest</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;Convert explode/posexplode into unnest (used in hive -&gt; presto).&quot;&quot;&quot;</span>
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">Scope</span>
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a>
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="n">taken_select_names</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span><span class="p">)</span>
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">taken_source_names</span> <span class="o">=</span> <span class="p">{</span><span class="n">name</span> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">Scope</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="o">.</span><span class="n">references</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="k">def</span> <span class="nf">new_name</span><span class="p">(</span><span class="n">names</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">names</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">return</span> <span class="n">name</span>
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a>
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span>
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">elif</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">Aliases</span><span class="p">):</span>
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a>
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span>
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">is_posexplode</span> <span class="o">=</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">Posexplode</span><span class="p">)</span>
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a>
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">unnest</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span> <span class="n">ordinality</span><span class="o">=</span><span class="n">is_posexplode</span><span class="p">)</span>
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a>
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="c1"># This ensures that we won&#39;t use [POS]EXPLODE&#39;s argument as a new selection</span>
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span>
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span>
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a>
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">&quot;_u&quot;</span><span class="p">)</span>
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">taken_source_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">unnest_source_alias</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="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span>
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;col&quot;</span><span class="p">)</span>
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">)</span>
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a>
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)</span>
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a>
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="p">[</span><span class="n">explode_alias</span><span class="p">,</span> <span class="n">pos_alias</span><span class="p">]</span>
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">to_replace</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">,</span> <span class="n">explode_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-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="p">[</span><span class="n">explode_alias</span><span class="p">]</span>
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">to_replace</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">column</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">))</span>
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">arrays</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">series_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">series</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span>
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span>
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">GenerateSeries</span><span class="p">(</span><span class="n">start</span><span class="o">=</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="n">index_offset</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 class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">&quot;_u&quot;</span><span class="p">),</span>
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">series_alias</span><span class="p">],</span>
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <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="c1"># we use list here because expression.selects is mutated inside the loop</span>
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">to_replace</span> <span class="o">=</span> <span class="n">select</span>
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a>
</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">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span>
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="k">elif</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">Aliases</span><span class="p">):</span>
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</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">select</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span>
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">is_posexplode</span> <span class="o">=</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">Posexplode</span><span class="p">)</span>
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a>
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="c1"># This ensures that we won&#39;t use [POS]EXPLODE&#39;s argument as a new selection</span>
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span>
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span>
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a>
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">&quot;_u&quot;</span><span class="p">)</span>
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a>
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span>
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;col&quot;</span><span class="p">)</span>
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a>
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">unnest</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">unnest</span><span class="p">,</span> <span class="n">unnest_source_alias</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">column_names</span><span class="p">)</span>
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a>
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">if</span> <span class="ow">not</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">&quot;from&quot;</span><span class="p">):</span>
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">unnest</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-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">unnest</span><span class="p">,</span> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;CROSS&quot;</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-223"><a href="#L-223"><span class="linenos">223</span></a>
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">return</span> <span class="n">expression</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><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span>
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="ow">and</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PercentileCont</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">PercentileDisc</span><span class="p">))</span>
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</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">Order</span><span class="p">)</span>
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="p">):</span>
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</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">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</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">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</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="k">return</span> <span class="n">expression</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><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</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">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">&quot;_c_&quot;</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">is_posexplode</span><span class="p">:</span>
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a>
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pos_alias</span><span class="p">:</span>
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a>
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span>
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">this</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">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</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">pos_alias</span><span class="p">)),</span>
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">true</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">explode_alias</span><span class="p">),</span>
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">explode_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="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span>
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">index</span> <span class="o">=</span> <span class="n">expressions</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">to_replace</span><span class="p">)</span>
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">index</span><span class="p">)</span>
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="n">index</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span>
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span>
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">index</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span>
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span>
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">this</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">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</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">pos_alias</span><span class="p">)),</span>
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">true</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">pos_alias</span><span class="p">),</span>
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span>
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="p">)</span>
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;expressions&quot;</span><span class="p">,</span> <span class="n">expressions</span><span class="p">)</span>
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">to_replace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">column</span><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">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</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-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arrays</span><span class="p">:</span>
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;from&quot;</span><span class="p">):</span>
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">series</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-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a>
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="s2">&quot;columns&quot;</span><span class="p">,</span>
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span>
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="p">)</span>
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a>
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a>
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a>
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <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">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span>
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">&quot;epoch&quot;</span>
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="p">):</span>
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">&quot;1970-01-01 00:00:00&quot;</span><span class="p">))</span>
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a>
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">size</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">arrays</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a>
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="c1"># trino doesn&#39;t support left join unnest with on conditions</span>
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="c1"># if it did, this would be much simpler</span>
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span>
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span>
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span>
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">offset</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">pos_alias</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="n">unnest_source_alias</span><span class="p">,</span>
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">explode_alias</span><span class="p">],</span>
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="p">),</span>
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;CROSS&quot;</span><span class="p">,</span>
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</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><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span>
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span>
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span>
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a><span class="sd"> expression to SQL, using either the &quot;_sql&quot; method corresponding to the resulting expression,</span>
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span>
</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="sd"> Args:</span>
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span>
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">size</span> <span class="o">=</span> <span class="n">size</span> <span class="o">-</span> <span class="mi">1</span>
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a>
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span>
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span>
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="o">.</span><span class="n">eq</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">pos_alias</span><span class="p">))</span>
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="o">.</span><span class="n">or_</span><span class="p">(</span>
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <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">series_alias</span><span class="p">)</span> <span class="o">&gt;</span> <span class="n">size</span><span class="p">)</span><span class="o">.</span><span class="n">and_</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">pos_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">size</span><span class="p">))</span>
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="p">),</span>
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <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 class="sd"> Returns:</span>
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a><span class="sd"> Function that can be used as a generator transform.</span>
</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a>
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</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="n">arrays</span><span class="p">:</span>
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">end</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Greatest</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</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="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="n">end</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">index_offset</span><span class="p">)</span>
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="n">series</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">set</span><span class="p">(</span><span class="s2">&quot;end&quot;</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span>
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a>
</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</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="n">expression</span>
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a>
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">return</span> <span class="n">_explode_to_unnest</span>
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a>
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">&quot;_sql&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span>
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a>
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a><span class="n">PERCENTILES</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PercentileCont</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">PercentileDisc</span><span class="p">)</span>
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a>
</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="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span>
</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="c1"># Ensures we don&#39;t enter an infinite loop. This can happen when the original expression</span>
</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="c1"># has the same type as the final expression and there&#39;s no _sql method available for it,</span>
</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="c1"># because then it&#39;d re-enter _to_sql.</span>
</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="sa">f</span><span class="s2">&quot;Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed.&quot;</span>
</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="p">)</span>
</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a>
</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a>
</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">.&quot;</span><span class="p">)</span>
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a><span class="k">def</span> <span class="nf">add_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span>
</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <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="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span>
</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="p">):</span>
</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;this&quot;</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">pop</span><span class="p">())</span>
</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</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-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">order</span><span class="p">)</span>
</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a>
</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a>
</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a>
</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="k">return</span> <span class="n">_to_sql</span>
</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span>
</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="ow">and</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">PERCENTILES</span><span class="p">)</span>
</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</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">Order</span><span class="p">)</span>
</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="p">):</span>
</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</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">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-317"><a href="#L-317"><span class="linenos">317</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">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span>
</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a>
</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a>
</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a>
</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-323"><a href="#L-323"><span class="linenos">323</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">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">&quot;_c_&quot;</span><span class="p">)</span>
</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a>
</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</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-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span>
</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a>
</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="s2">&quot;columns&quot;</span><span class="p">,</span>
</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <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">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span>
</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="p">)</span>
</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a>
</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a>
</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a>
</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <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">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span>
</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">&quot;epoch&quot;</span>
</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="p">):</span>
</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">&quot;1970-01-01 00:00:00&quot;</span><span class="p">))</span>
</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a>
</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a>
</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a>
</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a><span class="k">def</span> <span class="nf">timestamp_to_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-352"><a href="#L-352"><span class="linenos">352</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">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span>
</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span>
</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="p">)</span>
</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a>
</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a>
</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a><span class="k">def</span> <span class="nf">eliminate_semi_and_anti_joins</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="L-361"><a href="#L-361"><span class="linenos">361</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">Select</span><span class="p">):</span>
</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <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">&quot;joins&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;on&quot;</span><span class="p">)</span>
</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="k">if</span> <span class="n">on</span> <span class="ow">and</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">&quot;SEMI&quot;</span><span class="p">,</span> <span class="s2">&quot;ANTI&quot;</span><span class="p">):</span>
</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="n">subquery</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="s2">&quot;1&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">on</span><span class="p">)</span>
</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">subquery</span><span class="p">)</span>
</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s2">&quot;ANTI&quot;</span><span class="p">:</span>
</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exists</span><span class="o">.</span><span class="n">not_</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-369"><a href="#L-369"><span class="linenos">369</span></a>
</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">join</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">exists</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-372"><a href="#L-372"><span class="linenos">372</span></a>
</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a>
</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a>
</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span>
</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span>
</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span>
</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a><span class="sd"> expression to SQL, using either the &quot;_sql&quot; method corresponding to the resulting expression,</span>
</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span>
</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a>
</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a><span class="sd"> Args:</span>
</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span>
</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a>
</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a><span class="sd"> Returns:</span>
</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a><span class="sd"> Function that can be used as a generator transform.</span>
</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a>
</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a>
</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a>
</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">&quot;_sql&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span>
</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a>
</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span>
</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
</span><span id="L-405"><a href="#L-405"><span class="linenos">405</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">Func</span><span class="p">):</span>
</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a>
</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="c1"># Ensures we don&#39;t enter an infinite loop. This can happen when the original expression</span>
</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="c1"># has the same type as the final expression and there&#39;s no _sql method available for it,</span>
</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="c1"># because then it&#39;d re-enter _to_sql.</span>
</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="sa">f</span><span class="s2">&quot;Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed.&quot;</span>
</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="p">)</span>
</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a>
</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a>
</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">.&quot;</span><span class="p">)</span>
</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a>
</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="k">return</span> <span class="n">_to_sql</span>
</span></pre></div>
@ -658,7 +780,7 @@ other expressions. This transforms removes the precision from parameterized type
</span><span id="unnest_to_explode-147"><a href="#unnest_to_explode-147"><span class="linenos">147</span></a>
</span><span id="unnest_to_explode-148"><a href="#unnest_to_explode-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">unnest</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="unnest_to_explode-149"><a href="#unnest_to_explode-149"><span class="linenos">149</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">unnest</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">&quot;alias&quot;</span><span class="p">)</span>
</span><span id="unnest_to_explode-150"><a href="#unnest_to_explode-150"><span class="linenos">150</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span> <span class="k">if</span> <span class="n">unnest</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">&quot;ordinality&quot;</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span>
</span><span id="unnest_to_explode-150"><a href="#unnest_to_explode-150"><span class="linenos">150</span></a> <span class="n">udtf</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span> <span class="k">if</span> <span class="n">unnest</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">&quot;offset&quot;</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span>
</span><span id="unnest_to_explode-151"><a href="#unnest_to_explode-151"><span class="linenos">151</span></a>
</span><span id="unnest_to_explode-152"><a href="#unnest_to_explode-152"><span class="linenos">152</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;joins&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">join</span><span class="p">)</span>
</span><span id="unnest_to_explode-153"><a href="#unnest_to_explode-153"><span class="linenos">153</span></a>
@ -686,77 +808,181 @@ other expressions. This transforms removes the precision from parameterized type
<div class="attr function">
<span class="def">def</span>
<span class="name">explode_to_unnest</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
<span class="name">explode_to_unnest</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">index_offset</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]</span>:</span></span>
<label class="view-source-button" for="explode_to_unnest-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#explode_to_unnest"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="explode_to_unnest-167"><a href="#explode_to_unnest-167"><span class="linenos">167</span></a><span class="k">def</span> <span class="nf">explode_to_unnest</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="explode_to_unnest-168"><a href="#explode_to_unnest-168"><span class="linenos">168</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;Convert explode/posexplode into unnest (used in hive -&gt; presto).&quot;&quot;&quot;</span>
</span><span id="explode_to_unnest-169"><a href="#explode_to_unnest-169"><span class="linenos">169</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">Select</span><span class="p">):</span>
</span><span id="explode_to_unnest-170"><a href="#explode_to_unnest-170"><span class="linenos">170</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">Scope</span>
</span><span id="explode_to_unnest-171"><a href="#explode_to_unnest-171"><span class="linenos">171</span></a>
</span><span id="explode_to_unnest-172"><a href="#explode_to_unnest-172"><span class="linenos">172</span></a> <span class="n">taken_select_names</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span><span class="p">)</span>
</span><span id="explode_to_unnest-173"><a href="#explode_to_unnest-173"><span class="linenos">173</span></a> <span class="n">taken_source_names</span> <span class="o">=</span> <span class="p">{</span><span class="n">name</span> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">Scope</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="o">.</span><span class="n">references</span><span class="p">}</span>
</span><span id="explode_to_unnest-174"><a href="#explode_to_unnest-174"><span class="linenos">174</span></a>
</span><span id="explode_to_unnest-175"><a href="#explode_to_unnest-175"><span class="linenos">175</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
</span><span id="explode_to_unnest-176"><a href="#explode_to_unnest-176"><span class="linenos">176</span></a> <span class="n">to_replace</span> <span class="o">=</span> <span class="n">select</span>
</span><span id="explode_to_unnest-177"><a href="#explode_to_unnest-177"><span class="linenos">177</span></a>
</span><span id="explode_to_unnest-178"><a href="#explode_to_unnest-178"><span class="linenos">178</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="explode_to_unnest-179"><a href="#explode_to_unnest-179"><span class="linenos">179</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="explode_to_unnest-167"><a href="#explode_to_unnest-167"><span class="linenos">167</span></a><span class="k">def</span> <span class="nf">explode_to_unnest</span><span class="p">(</span><span class="n">index_offset</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
</span><span id="explode_to_unnest-168"><a href="#explode_to_unnest-168"><span class="linenos">168</span></a> <span class="k">def</span> <span class="nf">_explode_to_unnest</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="explode_to_unnest-169"><a href="#explode_to_unnest-169"><span class="linenos">169</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;Convert explode/posexplode into unnest (used in hive -&gt; presto).&quot;&quot;&quot;</span>
</span><span id="explode_to_unnest-170"><a href="#explode_to_unnest-170"><span class="linenos">170</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">Select</span><span class="p">):</span>
</span><span id="explode_to_unnest-171"><a href="#explode_to_unnest-171"><span class="linenos">171</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">Scope</span>
</span><span id="explode_to_unnest-172"><a href="#explode_to_unnest-172"><span class="linenos">172</span></a>
</span><span id="explode_to_unnest-173"><a href="#explode_to_unnest-173"><span class="linenos">173</span></a> <span class="n">taken_select_names</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span><span class="p">)</span>
</span><span id="explode_to_unnest-174"><a href="#explode_to_unnest-174"><span class="linenos">174</span></a> <span class="n">taken_source_names</span> <span class="o">=</span> <span class="p">{</span><span class="n">name</span> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">Scope</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="o">.</span><span class="n">references</span><span class="p">}</span>
</span><span id="explode_to_unnest-175"><a href="#explode_to_unnest-175"><span class="linenos">175</span></a>
</span><span id="explode_to_unnest-176"><a href="#explode_to_unnest-176"><span class="linenos">176</span></a> <span class="k">def</span> <span class="nf">new_name</span><span class="p">(</span><span class="n">names</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
</span><span id="explode_to_unnest-177"><a href="#explode_to_unnest-177"><span class="linenos">177</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">names</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
</span><span id="explode_to_unnest-178"><a href="#explode_to_unnest-178"><span class="linenos">178</span></a> <span class="n">names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
</span><span id="explode_to_unnest-179"><a href="#explode_to_unnest-179"><span class="linenos">179</span></a> <span class="k">return</span> <span class="n">name</span>
</span><span id="explode_to_unnest-180"><a href="#explode_to_unnest-180"><span class="linenos">180</span></a>
</span><span id="explode_to_unnest-181"><a href="#explode_to_unnest-181"><span class="linenos">181</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
</span><span id="explode_to_unnest-182"><a href="#explode_to_unnest-182"><span class="linenos">182</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span>
</span><span id="explode_to_unnest-183"><a href="#explode_to_unnest-183"><span class="linenos">183</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="explode_to_unnest-184"><a href="#explode_to_unnest-184"><span class="linenos">184</span></a> <span class="k">elif</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">Aliases</span><span class="p">):</span>
</span><span id="explode_to_unnest-185"><a href="#explode_to_unnest-185"><span class="linenos">185</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="explode_to_unnest-186"><a href="#explode_to_unnest-186"><span class="linenos">186</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="explode_to_unnest-187"><a href="#explode_to_unnest-187"><span class="linenos">187</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="explode_to_unnest-188"><a href="#explode_to_unnest-188"><span class="linenos">188</span></a>
</span><span id="explode_to_unnest-189"><a href="#explode_to_unnest-189"><span class="linenos">189</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span>
</span><span id="explode_to_unnest-190"><a href="#explode_to_unnest-190"><span class="linenos">190</span></a> <span class="n">is_posexplode</span> <span class="o">=</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">Posexplode</span><span class="p">)</span>
</span><span id="explode_to_unnest-191"><a href="#explode_to_unnest-191"><span class="linenos">191</span></a>
</span><span id="explode_to_unnest-192"><a href="#explode_to_unnest-192"><span class="linenos">192</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="explode_to_unnest-193"><a href="#explode_to_unnest-193"><span class="linenos">193</span></a> <span class="n">unnest</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span> <span class="n">ordinality</span><span class="o">=</span><span class="n">is_posexplode</span><span class="p">)</span>
</span><span id="explode_to_unnest-194"><a href="#explode_to_unnest-194"><span class="linenos">194</span></a>
</span><span id="explode_to_unnest-195"><a href="#explode_to_unnest-195"><span class="linenos">195</span></a> <span class="c1"># This ensures that we won&#39;t use [POS]EXPLODE&#39;s argument as a new selection</span>
</span><span id="explode_to_unnest-196"><a href="#explode_to_unnest-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span>
</span><span id="explode_to_unnest-197"><a href="#explode_to_unnest-197"><span class="linenos">197</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span>
</span><span id="explode_to_unnest-198"><a href="#explode_to_unnest-198"><span class="linenos">198</span></a>
</span><span id="explode_to_unnest-199"><a href="#explode_to_unnest-199"><span class="linenos">199</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">&quot;_u&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-200"><a href="#explode_to_unnest-200"><span class="linenos">200</span></a> <span class="n">taken_source_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">unnest_source_alias</span><span class="p">)</span>
</span><span id="explode_to_unnest-201"><a href="#explode_to_unnest-201"><span class="linenos">201</span></a>
</span><span id="explode_to_unnest-202"><a href="#explode_to_unnest-202"><span class="linenos">202</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span>
</span><span id="explode_to_unnest-203"><a href="#explode_to_unnest-203"><span class="linenos">203</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;col&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-204"><a href="#explode_to_unnest-204"><span class="linenos">204</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">)</span>
</span><span id="explode_to_unnest-205"><a href="#explode_to_unnest-205"><span class="linenos">205</span></a>
</span><span id="explode_to_unnest-206"><a href="#explode_to_unnest-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="explode_to_unnest-207"><a href="#explode_to_unnest-207"><span class="linenos">207</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-208"><a href="#explode_to_unnest-208"><span class="linenos">208</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)</span>
</span><span id="explode_to_unnest-209"><a href="#explode_to_unnest-209"><span class="linenos">209</span></a>
</span><span id="explode_to_unnest-210"><a href="#explode_to_unnest-210"><span class="linenos">210</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="explode_to_unnest-211"><a href="#explode_to_unnest-211"><span class="linenos">211</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="p">[</span><span class="n">explode_alias</span><span class="p">,</span> <span class="n">pos_alias</span><span class="p">]</span>
</span><span id="explode_to_unnest-212"><a href="#explode_to_unnest-212"><span class="linenos">212</span></a> <span class="n">to_replace</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span><span id="explode_to_unnest-213"><a href="#explode_to_unnest-213"><span class="linenos">213</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">,</span> <span class="n">explode_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="explode_to_unnest-214"><a href="#explode_to_unnest-214"><span class="linenos">214</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="explode_to_unnest-215"><a href="#explode_to_unnest-215"><span class="linenos">215</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="p">[</span><span class="n">explode_alias</span><span class="p">]</span>
</span><span id="explode_to_unnest-216"><a href="#explode_to_unnest-216"><span class="linenos">216</span></a> <span class="n">to_replace</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">column</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">))</span>
</span><span id="explode_to_unnest-181"><a href="#explode_to_unnest-181"><span class="linenos">181</span></a> <span class="n">arrays</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
</span><span id="explode_to_unnest-182"><a href="#explode_to_unnest-182"><span class="linenos">182</span></a> <span class="n">series_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-183"><a href="#explode_to_unnest-183"><span class="linenos">183</span></a> <span class="n">series</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span>
</span><span id="explode_to_unnest-184"><a href="#explode_to_unnest-184"><span class="linenos">184</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span>
</span><span id="explode_to_unnest-185"><a href="#explode_to_unnest-185"><span class="linenos">185</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">GenerateSeries</span><span class="p">(</span><span class="n">start</span><span class="o">=</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="n">index_offset</span><span class="p">))]</span>
</span><span id="explode_to_unnest-186"><a href="#explode_to_unnest-186"><span class="linenos">186</span></a> <span class="p">),</span>
</span><span id="explode_to_unnest-187"><a href="#explode_to_unnest-187"><span class="linenos">187</span></a> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">&quot;_u&quot;</span><span class="p">),</span>
</span><span id="explode_to_unnest-188"><a href="#explode_to_unnest-188"><span class="linenos">188</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">series_alias</span><span class="p">],</span>
</span><span id="explode_to_unnest-189"><a href="#explode_to_unnest-189"><span class="linenos">189</span></a> <span class="p">)</span>
</span><span id="explode_to_unnest-190"><a href="#explode_to_unnest-190"><span class="linenos">190</span></a>
</span><span id="explode_to_unnest-191"><a href="#explode_to_unnest-191"><span class="linenos">191</span></a> <span class="c1"># we use list here because expression.selects is mutated inside the loop</span>
</span><span id="explode_to_unnest-192"><a href="#explode_to_unnest-192"><span class="linenos">192</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
</span><span id="explode_to_unnest-193"><a href="#explode_to_unnest-193"><span class="linenos">193</span></a> <span class="n">to_replace</span> <span class="o">=</span> <span class="n">select</span>
</span><span id="explode_to_unnest-194"><a href="#explode_to_unnest-194"><span class="linenos">194</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="explode_to_unnest-195"><a href="#explode_to_unnest-195"><span class="linenos">195</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
</span><span id="explode_to_unnest-196"><a href="#explode_to_unnest-196"><span class="linenos">196</span></a>
</span><span id="explode_to_unnest-197"><a href="#explode_to_unnest-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span>
</span><span id="explode_to_unnest-198"><a href="#explode_to_unnest-198"><span class="linenos">198</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span>
</span><span id="explode_to_unnest-199"><a href="#explode_to_unnest-199"><span class="linenos">199</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="explode_to_unnest-200"><a href="#explode_to_unnest-200"><span class="linenos">200</span></a> <span class="k">elif</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">Aliases</span><span class="p">):</span>
</span><span id="explode_to_unnest-201"><a href="#explode_to_unnest-201"><span class="linenos">201</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="explode_to_unnest-202"><a href="#explode_to_unnest-202"><span class="linenos">202</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span>
</span><span id="explode_to_unnest-203"><a href="#explode_to_unnest-203"><span class="linenos">203</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="explode_to_unnest-204"><a href="#explode_to_unnest-204"><span class="linenos">204</span></a>
</span><span id="explode_to_unnest-205"><a href="#explode_to_unnest-205"><span class="linenos">205</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span>
</span><span id="explode_to_unnest-206"><a href="#explode_to_unnest-206"><span class="linenos">206</span></a> <span class="n">is_posexplode</span> <span class="o">=</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">Posexplode</span><span class="p">)</span>
</span><span id="explode_to_unnest-207"><a href="#explode_to_unnest-207"><span class="linenos">207</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span>
</span><span id="explode_to_unnest-208"><a href="#explode_to_unnest-208"><span class="linenos">208</span></a>
</span><span id="explode_to_unnest-209"><a href="#explode_to_unnest-209"><span class="linenos">209</span></a> <span class="c1"># This ensures that we won&#39;t use [POS]EXPLODE&#39;s argument as a new selection</span>
</span><span id="explode_to_unnest-210"><a href="#explode_to_unnest-210"><span class="linenos">210</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span>
</span><span id="explode_to_unnest-211"><a href="#explode_to_unnest-211"><span class="linenos">211</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span>
</span><span id="explode_to_unnest-212"><a href="#explode_to_unnest-212"><span class="linenos">212</span></a>
</span><span id="explode_to_unnest-213"><a href="#explode_to_unnest-213"><span class="linenos">213</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">&quot;_u&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-214"><a href="#explode_to_unnest-214"><span class="linenos">214</span></a>
</span><span id="explode_to_unnest-215"><a href="#explode_to_unnest-215"><span class="linenos">215</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span>
</span><span id="explode_to_unnest-216"><a href="#explode_to_unnest-216"><span class="linenos">216</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;col&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-217"><a href="#explode_to_unnest-217"><span class="linenos">217</span></a>
</span><span id="explode_to_unnest-218"><a href="#explode_to_unnest-218"><span class="linenos">218</span></a> <span class="n">unnest</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">unnest</span><span class="p">,</span> <span class="n">unnest_source_alias</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">column_names</span><span class="p">)</span>
</span><span id="explode_to_unnest-219"><a href="#explode_to_unnest-219"><span class="linenos">219</span></a>
</span><span id="explode_to_unnest-220"><a href="#explode_to_unnest-220"><span class="linenos">220</span></a> <span class="k">if</span> <span class="ow">not</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">&quot;from&quot;</span><span class="p">):</span>
</span><span id="explode_to_unnest-221"><a href="#explode_to_unnest-221"><span class="linenos">221</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">unnest</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="explode_to_unnest-222"><a href="#explode_to_unnest-222"><span class="linenos">222</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="explode_to_unnest-223"><a href="#explode_to_unnest-223"><span class="linenos">223</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">unnest</span><span class="p">,</span> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;CROSS&quot;</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="explode_to_unnest-224"><a href="#explode_to_unnest-224"><span class="linenos">224</span></a>
</span><span id="explode_to_unnest-225"><a href="#explode_to_unnest-225"><span class="linenos">225</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="explode_to_unnest-218"><a href="#explode_to_unnest-218"><span class="linenos">218</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="explode_to_unnest-219"><a href="#explode_to_unnest-219"><span class="linenos">219</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-220"><a href="#explode_to_unnest-220"><span class="linenos">220</span></a>
</span><span id="explode_to_unnest-221"><a href="#explode_to_unnest-221"><span class="linenos">221</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pos_alias</span><span class="p">:</span>
</span><span id="explode_to_unnest-222"><a href="#explode_to_unnest-222"><span class="linenos">222</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">&quot;pos&quot;</span><span class="p">)</span>
</span><span id="explode_to_unnest-223"><a href="#explode_to_unnest-223"><span class="linenos">223</span></a>
</span><span id="explode_to_unnest-224"><a href="#explode_to_unnest-224"><span class="linenos">224</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span>
</span><span id="explode_to_unnest-225"><a href="#explode_to_unnest-225"><span class="linenos">225</span></a> <span class="n">this</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">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</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">pos_alias</span><span class="p">)),</span>
</span><span id="explode_to_unnest-226"><a href="#explode_to_unnest-226"><span class="linenos">226</span></a> <span class="n">true</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">explode_alias</span><span class="p">),</span>
</span><span id="explode_to_unnest-227"><a href="#explode_to_unnest-227"><span class="linenos">227</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">)</span>
</span><span id="explode_to_unnest-228"><a href="#explode_to_unnest-228"><span class="linenos">228</span></a>
</span><span id="explode_to_unnest-229"><a href="#explode_to_unnest-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span>
</span><span id="explode_to_unnest-230"><a href="#explode_to_unnest-230"><span class="linenos">230</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span>
</span><span id="explode_to_unnest-231"><a href="#explode_to_unnest-231"><span class="linenos">231</span></a> <span class="n">index</span> <span class="o">=</span> <span class="n">expressions</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">to_replace</span><span class="p">)</span>
</span><span id="explode_to_unnest-232"><a href="#explode_to_unnest-232"><span class="linenos">232</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">index</span><span class="p">)</span>
</span><span id="explode_to_unnest-233"><a href="#explode_to_unnest-233"><span class="linenos">233</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="n">index</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span>
</span><span id="explode_to_unnest-234"><a href="#explode_to_unnest-234"><span class="linenos">234</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span>
</span><span id="explode_to_unnest-235"><a href="#explode_to_unnest-235"><span class="linenos">235</span></a> <span class="n">index</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span>
</span><span id="explode_to_unnest-236"><a href="#explode_to_unnest-236"><span class="linenos">236</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span>
</span><span id="explode_to_unnest-237"><a href="#explode_to_unnest-237"><span class="linenos">237</span></a> <span class="n">this</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">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</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">pos_alias</span><span class="p">)),</span>
</span><span id="explode_to_unnest-238"><a href="#explode_to_unnest-238"><span class="linenos">238</span></a> <span class="n">true</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">pos_alias</span><span class="p">),</span>
</span><span id="explode_to_unnest-239"><a href="#explode_to_unnest-239"><span class="linenos">239</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span>
</span><span id="explode_to_unnest-240"><a href="#explode_to_unnest-240"><span class="linenos">240</span></a> <span class="p">)</span>
</span><span id="explode_to_unnest-241"><a href="#explode_to_unnest-241"><span class="linenos">241</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;expressions&quot;</span><span class="p">,</span> <span class="n">expressions</span><span class="p">)</span>
</span><span id="explode_to_unnest-242"><a href="#explode_to_unnest-242"><span class="linenos">242</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="explode_to_unnest-243"><a href="#explode_to_unnest-243"><span class="linenos">243</span></a> <span class="n">to_replace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">column</span><span class="p">)</span>
</span><span id="explode_to_unnest-244"><a href="#explode_to_unnest-244"><span class="linenos">244</span></a>
</span><span id="explode_to_unnest-245"><a href="#explode_to_unnest-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arrays</span><span class="p">:</span>
</span><span id="explode_to_unnest-246"><a href="#explode_to_unnest-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;from&quot;</span><span class="p">):</span>
</span><span id="explode_to_unnest-247"><a href="#explode_to_unnest-247"><span class="linenos">247</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">series</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="explode_to_unnest-248"><a href="#explode_to_unnest-248"><span class="linenos">248</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="explode_to_unnest-249"><a href="#explode_to_unnest-249"><span class="linenos">249</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">series</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="explode_to_unnest-250"><a href="#explode_to_unnest-250"><span class="linenos">250</span></a>
</span><span id="explode_to_unnest-251"><a href="#explode_to_unnest-251"><span class="linenos">251</span></a> <span class="n">size</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
</span><span id="explode_to_unnest-252"><a href="#explode_to_unnest-252"><span class="linenos">252</span></a> <span class="n">arrays</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">size</span><span class="p">)</span>
</span><span id="explode_to_unnest-253"><a href="#explode_to_unnest-253"><span class="linenos">253</span></a>
</span><span id="explode_to_unnest-254"><a href="#explode_to_unnest-254"><span class="linenos">254</span></a> <span class="c1"># trino doesn&#39;t support left join unnest with on conditions</span>
</span><span id="explode_to_unnest-255"><a href="#explode_to_unnest-255"><span class="linenos">255</span></a> <span class="c1"># if it did, this would be much simpler</span>
</span><span id="explode_to_unnest-256"><a href="#explode_to_unnest-256"><span class="linenos">256</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
</span><span id="explode_to_unnest-257"><a href="#explode_to_unnest-257"><span class="linenos">257</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span>
</span><span id="explode_to_unnest-258"><a href="#explode_to_unnest-258"><span class="linenos">258</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span>
</span><span id="explode_to_unnest-259"><a href="#explode_to_unnest-259"><span class="linenos">259</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span>
</span><span id="explode_to_unnest-260"><a href="#explode_to_unnest-260"><span class="linenos">260</span></a> <span class="n">offset</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">pos_alias</span><span class="p">),</span>
</span><span id="explode_to_unnest-261"><a href="#explode_to_unnest-261"><span class="linenos">261</span></a> <span class="p">),</span>
</span><span id="explode_to_unnest-262"><a href="#explode_to_unnest-262"><span class="linenos">262</span></a> <span class="n">unnest_source_alias</span><span class="p">,</span>
</span><span id="explode_to_unnest-263"><a href="#explode_to_unnest-263"><span class="linenos">263</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">explode_alias</span><span class="p">],</span>
</span><span id="explode_to_unnest-264"><a href="#explode_to_unnest-264"><span class="linenos">264</span></a> <span class="p">),</span>
</span><span id="explode_to_unnest-265"><a href="#explode_to_unnest-265"><span class="linenos">265</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">&quot;CROSS&quot;</span><span class="p">,</span>
</span><span id="explode_to_unnest-266"><a href="#explode_to_unnest-266"><span class="linenos">266</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="explode_to_unnest-267"><a href="#explode_to_unnest-267"><span class="linenos">267</span></a> <span class="p">)</span>
</span><span id="explode_to_unnest-268"><a href="#explode_to_unnest-268"><span class="linenos">268</span></a>
</span><span id="explode_to_unnest-269"><a href="#explode_to_unnest-269"><span class="linenos">269</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
</span><span id="explode_to_unnest-270"><a href="#explode_to_unnest-270"><span class="linenos">270</span></a> <span class="n">size</span> <span class="o">=</span> <span class="n">size</span> <span class="o">-</span> <span class="mi">1</span>
</span><span id="explode_to_unnest-271"><a href="#explode_to_unnest-271"><span class="linenos">271</span></a>
</span><span id="explode_to_unnest-272"><a href="#explode_to_unnest-272"><span class="linenos">272</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span>
</span><span id="explode_to_unnest-273"><a href="#explode_to_unnest-273"><span class="linenos">273</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span>
</span><span id="explode_to_unnest-274"><a href="#explode_to_unnest-274"><span class="linenos">274</span></a> <span class="o">.</span><span class="n">eq</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">pos_alias</span><span class="p">))</span>
</span><span id="explode_to_unnest-275"><a href="#explode_to_unnest-275"><span class="linenos">275</span></a> <span class="o">.</span><span class="n">or_</span><span class="p">(</span>
</span><span id="explode_to_unnest-276"><a href="#explode_to_unnest-276"><span class="linenos">276</span></a> <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">series_alias</span><span class="p">)</span> <span class="o">&gt;</span> <span class="n">size</span><span class="p">)</span><span class="o">.</span><span class="n">and_</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">pos_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">size</span><span class="p">))</span>
</span><span id="explode_to_unnest-277"><a href="#explode_to_unnest-277"><span class="linenos">277</span></a> <span class="p">),</span>
</span><span id="explode_to_unnest-278"><a href="#explode_to_unnest-278"><span class="linenos">278</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
</span><span id="explode_to_unnest-279"><a href="#explode_to_unnest-279"><span class="linenos">279</span></a> <span class="p">)</span>
</span><span id="explode_to_unnest-280"><a href="#explode_to_unnest-280"><span class="linenos">280</span></a>
</span><span id="explode_to_unnest-281"><a href="#explode_to_unnest-281"><span class="linenos">281</span></a> <span class="k">if</span> <span class="n">arrays</span><span class="p">:</span>
</span><span id="explode_to_unnest-282"><a href="#explode_to_unnest-282"><span class="linenos">282</span></a> <span class="n">end</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Greatest</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span>
</span><span id="explode_to_unnest-283"><a href="#explode_to_unnest-283"><span class="linenos">283</span></a>
</span><span id="explode_to_unnest-284"><a href="#explode_to_unnest-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
</span><span id="explode_to_unnest-285"><a href="#explode_to_unnest-285"><span class="linenos">285</span></a> <span class="n">end</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">index_offset</span><span class="p">)</span>
</span><span id="explode_to_unnest-286"><a href="#explode_to_unnest-286"><span class="linenos">286</span></a> <span class="n">series</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">set</span><span class="p">(</span><span class="s2">&quot;end&quot;</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span>
</span><span id="explode_to_unnest-287"><a href="#explode_to_unnest-287"><span class="linenos">287</span></a>
</span><span id="explode_to_unnest-288"><a href="#explode_to_unnest-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="explode_to_unnest-289"><a href="#explode_to_unnest-289"><span class="linenos">289</span></a>
</span><span id="explode_to_unnest-290"><a href="#explode_to_unnest-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="n">_explode_to_unnest</span>
</span></pre></div>
<div class="docstring"><p>Convert explode/posexplode into unnest (used in hive -> presto).</p>
</div>
</section>
<section id="PERCENTILES">
<div class="attr variable">
<span class="name">PERCENTILES</span> =
<span class="default_value">(&lt;class &#39;<a href="expressions.html#PercentileCont">sqlglot.expressions.PercentileCont</a>&#39;&gt;, &lt;class &#39;<a href="expressions.html#PercentileDisc">sqlglot.expressions.PercentileDisc</a>&#39;&gt;)</span>
</div>
<a class="headerlink" href="#PERCENTILES"></a>
</section>
<section id="add_within_group_for_percentiles">
<input id="add_within_group_for_percentiles-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">add_within_group_for_percentiles</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
<label class="view-source-button" for="add_within_group_for_percentiles-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#add_within_group_for_percentiles"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="add_within_group_for_percentiles-296"><a href="#add_within_group_for_percentiles-296"><span class="linenos">296</span></a><span class="k">def</span> <span class="nf">add_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="add_within_group_for_percentiles-297"><a href="#add_within_group_for_percentiles-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="add_within_group_for_percentiles-298"><a href="#add_within_group_for_percentiles-298"><span class="linenos">298</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span>
</span><span id="add_within_group_for_percentiles-299"><a href="#add_within_group_for_percentiles-299"><span class="linenos">299</span></a> <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="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span>
</span><span id="add_within_group_for_percentiles-300"><a href="#add_within_group_for_percentiles-300"><span class="linenos">300</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span>
</span><span id="add_within_group_for_percentiles-301"><a href="#add_within_group_for_percentiles-301"><span class="linenos">301</span></a> <span class="p">):</span>
</span><span id="add_within_group_for_percentiles-302"><a href="#add_within_group_for_percentiles-302"><span class="linenos">302</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span><span id="add_within_group_for_percentiles-303"><a href="#add_within_group_for_percentiles-303"><span class="linenos">303</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">&quot;this&quot;</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">pop</span><span class="p">())</span>
</span><span id="add_within_group_for_percentiles-304"><a href="#add_within_group_for_percentiles-304"><span class="linenos">304</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</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="add_within_group_for_percentiles-305"><a href="#add_within_group_for_percentiles-305"><span class="linenos">305</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">order</span><span class="p">)</span>
</span><span id="add_within_group_for_percentiles-306"><a href="#add_within_group_for_percentiles-306"><span class="linenos">306</span></a>
</span><span id="add_within_group_for_percentiles-307"><a href="#add_within_group_for_percentiles-307"><span class="linenos">307</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
</section>
<section id="remove_within_group_for_percentiles">
@ -770,17 +996,17 @@ other expressions. This transforms removes the precision from parameterized type
</div>
<a class="headerlink" href="#remove_within_group_for_percentiles"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_within_group_for_percentiles-228"><a href="#remove_within_group_for_percentiles-228"><span class="linenos">228</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="remove_within_group_for_percentiles-229"><a href="#remove_within_group_for_percentiles-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="remove_within_group_for_percentiles-230"><a href="#remove_within_group_for_percentiles-230"><span class="linenos">230</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span>
</span><span id="remove_within_group_for_percentiles-231"><a href="#remove_within_group_for_percentiles-231"><span class="linenos">231</span></a> <span class="ow">and</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PercentileCont</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">PercentileDisc</span><span class="p">))</span>
</span><span id="remove_within_group_for_percentiles-232"><a href="#remove_within_group_for_percentiles-232"><span class="linenos">232</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</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">Order</span><span class="p">)</span>
</span><span id="remove_within_group_for_percentiles-233"><a href="#remove_within_group_for_percentiles-233"><span class="linenos">233</span></a> <span class="p">):</span>
</span><span id="remove_within_group_for_percentiles-234"><a href="#remove_within_group_for_percentiles-234"><span class="linenos">234</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_within_group_for_percentiles-235"><a href="#remove_within_group_for_percentiles-235"><span class="linenos">235</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</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">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_within_group_for_percentiles-236"><a href="#remove_within_group_for_percentiles-236"><span class="linenos">236</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">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span>
</span><span id="remove_within_group_for_percentiles-237"><a href="#remove_within_group_for_percentiles-237"><span class="linenos">237</span></a>
</span><span id="remove_within_group_for_percentiles-238"><a href="#remove_within_group_for_percentiles-238"><span class="linenos">238</span></a> <span class="k">return</span> <span class="n">expression</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_within_group_for_percentiles-310"><a href="#remove_within_group_for_percentiles-310"><span class="linenos">310</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="remove_within_group_for_percentiles-311"><a href="#remove_within_group_for_percentiles-311"><span class="linenos">311</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="remove_within_group_for_percentiles-312"><a href="#remove_within_group_for_percentiles-312"><span class="linenos">312</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span>
</span><span id="remove_within_group_for_percentiles-313"><a href="#remove_within_group_for_percentiles-313"><span class="linenos">313</span></a> <span class="ow">and</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">PERCENTILES</span><span class="p">)</span>
</span><span id="remove_within_group_for_percentiles-314"><a href="#remove_within_group_for_percentiles-314"><span class="linenos">314</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</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">Order</span><span class="p">)</span>
</span><span id="remove_within_group_for_percentiles-315"><a href="#remove_within_group_for_percentiles-315"><span class="linenos">315</span></a> <span class="p">):</span>
</span><span id="remove_within_group_for_percentiles-316"><a href="#remove_within_group_for_percentiles-316"><span class="linenos">316</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_within_group_for_percentiles-317"><a href="#remove_within_group_for_percentiles-317"><span class="linenos">317</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</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">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span>
</span><span id="remove_within_group_for_percentiles-318"><a href="#remove_within_group_for_percentiles-318"><span class="linenos">318</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">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span>
</span><span id="remove_within_group_for_percentiles-319"><a href="#remove_within_group_for_percentiles-319"><span class="linenos">319</span></a>
</span><span id="remove_within_group_for_percentiles-320"><a href="#remove_within_group_for_percentiles-320"><span class="linenos">320</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
@ -798,22 +1024,22 @@ other expressions. This transforms removes the precision from parameterized type
</div>
<a class="headerlink" href="#add_recursive_cte_column_names"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="add_recursive_cte_column_names-241"><a href="#add_recursive_cte_column_names-241"><span class="linenos">241</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-242"><a href="#add_recursive_cte_column_names-242"><span class="linenos">242</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">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-243"><a href="#add_recursive_cte_column_names-243"><span class="linenos">243</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">&quot;_c_&quot;</span><span class="p">)</span>
</span><span id="add_recursive_cte_column_names-244"><a href="#add_recursive_cte_column_names-244"><span class="linenos">244</span></a>
</span><span id="add_recursive_cte_column_names-245"><a href="#add_recursive_cte_column_names-245"><span class="linenos">245</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-246"><a href="#add_recursive_cte_column_names-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-247"><a href="#add_recursive_cte_column_names-247"><span class="linenos">247</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span>
</span><span id="add_recursive_cte_column_names-248"><a href="#add_recursive_cte_column_names-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</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="add_recursive_cte_column_names-249"><a href="#add_recursive_cte_column_names-249"><span class="linenos">249</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span>
</span><span id="add_recursive_cte_column_names-250"><a href="#add_recursive_cte_column_names-250"><span class="linenos">250</span></a>
</span><span id="add_recursive_cte_column_names-251"><a href="#add_recursive_cte_column_names-251"><span class="linenos">251</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
</span><span id="add_recursive_cte_column_names-252"><a href="#add_recursive_cte_column_names-252"><span class="linenos">252</span></a> <span class="s2">&quot;columns&quot;</span><span class="p">,</span>
</span><span id="add_recursive_cte_column_names-253"><a href="#add_recursive_cte_column_names-253"><span class="linenos">253</span></a> <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">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span>
</span><span id="add_recursive_cte_column_names-254"><a href="#add_recursive_cte_column_names-254"><span class="linenos">254</span></a> <span class="p">)</span>
</span><span id="add_recursive_cte_column_names-255"><a href="#add_recursive_cte_column_names-255"><span class="linenos">255</span></a>
</span><span id="add_recursive_cte_column_names-256"><a href="#add_recursive_cte_column_names-256"><span class="linenos">256</span></a> <span class="k">return</span> <span class="n">expression</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="add_recursive_cte_column_names-323"><a href="#add_recursive_cte_column_names-323"><span class="linenos">323</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-324"><a href="#add_recursive_cte_column_names-324"><span class="linenos">324</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">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-325"><a href="#add_recursive_cte_column_names-325"><span class="linenos">325</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">&quot;_c_&quot;</span><span class="p">)</span>
</span><span id="add_recursive_cte_column_names-326"><a href="#add_recursive_cte_column_names-326"><span class="linenos">326</span></a>
</span><span id="add_recursive_cte_column_names-327"><a href="#add_recursive_cte_column_names-327"><span class="linenos">327</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-328"><a href="#add_recursive_cte_column_names-328"><span class="linenos">328</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
</span><span id="add_recursive_cte_column_names-329"><a href="#add_recursive_cte_column_names-329"><span class="linenos">329</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span>
</span><span id="add_recursive_cte_column_names-330"><a href="#add_recursive_cte_column_names-330"><span class="linenos">330</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</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="add_recursive_cte_column_names-331"><a href="#add_recursive_cte_column_names-331"><span class="linenos">331</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span>
</span><span id="add_recursive_cte_column_names-332"><a href="#add_recursive_cte_column_names-332"><span class="linenos">332</span></a>
</span><span id="add_recursive_cte_column_names-333"><a href="#add_recursive_cte_column_names-333"><span class="linenos">333</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">&quot;alias&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span>
</span><span id="add_recursive_cte_column_names-334"><a href="#add_recursive_cte_column_names-334"><span class="linenos">334</span></a> <span class="s2">&quot;columns&quot;</span><span class="p">,</span>
</span><span id="add_recursive_cte_column_names-335"><a href="#add_recursive_cte_column_names-335"><span class="linenos">335</span></a> <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">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span>
</span><span id="add_recursive_cte_column_names-336"><a href="#add_recursive_cte_column_names-336"><span class="linenos">336</span></a> <span class="p">)</span>
</span><span id="add_recursive_cte_column_names-337"><a href="#add_recursive_cte_column_names-337"><span class="linenos">337</span></a>
</span><span id="add_recursive_cte_column_names-338"><a href="#add_recursive_cte_column_names-338"><span class="linenos">338</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
@ -831,15 +1057,70 @@ other expressions. This transforms removes the precision from parameterized type
</div>
<a class="headerlink" href="#epoch_cast_to_ts"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="epoch_cast_to_ts-259"><a href="#epoch_cast_to_ts-259"><span class="linenos">259</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="epoch_cast_to_ts-260"><a href="#epoch_cast_to_ts-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="epoch_cast_to_ts-261"><a href="#epoch_cast_to_ts-261"><span class="linenos">261</span></a> <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">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span>
</span><span id="epoch_cast_to_ts-262"><a href="#epoch_cast_to_ts-262"><span class="linenos">262</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">&quot;epoch&quot;</span>
</span><span id="epoch_cast_to_ts-263"><a href="#epoch_cast_to_ts-263"><span class="linenos">263</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
</span><span id="epoch_cast_to_ts-264"><a href="#epoch_cast_to_ts-264"><span class="linenos">264</span></a> <span class="p">):</span>
</span><span id="epoch_cast_to_ts-265"><a href="#epoch_cast_to_ts-265"><span class="linenos">265</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">&quot;1970-01-01 00:00:00&quot;</span><span class="p">))</span>
</span><span id="epoch_cast_to_ts-266"><a href="#epoch_cast_to_ts-266"><span class="linenos">266</span></a>
</span><span id="epoch_cast_to_ts-267"><a href="#epoch_cast_to_ts-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="n">expression</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="epoch_cast_to_ts-341"><a href="#epoch_cast_to_ts-341"><span class="linenos">341</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="epoch_cast_to_ts-342"><a href="#epoch_cast_to_ts-342"><span class="linenos">342</span></a> <span class="k">if</span> <span class="p">(</span>
</span><span id="epoch_cast_to_ts-343"><a href="#epoch_cast_to_ts-343"><span class="linenos">343</span></a> <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">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span>
</span><span id="epoch_cast_to_ts-344"><a href="#epoch_cast_to_ts-344"><span class="linenos">344</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">&quot;epoch&quot;</span>
</span><span id="epoch_cast_to_ts-345"><a href="#epoch_cast_to_ts-345"><span class="linenos">345</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
</span><span id="epoch_cast_to_ts-346"><a href="#epoch_cast_to_ts-346"><span class="linenos">346</span></a> <span class="p">):</span>
</span><span id="epoch_cast_to_ts-347"><a href="#epoch_cast_to_ts-347"><span class="linenos">347</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">&quot;1970-01-01 00:00:00&quot;</span><span class="p">))</span>
</span><span id="epoch_cast_to_ts-348"><a href="#epoch_cast_to_ts-348"><span class="linenos">348</span></a>
</span><span id="epoch_cast_to_ts-349"><a href="#epoch_cast_to_ts-349"><span class="linenos">349</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
</section>
<section id="timestamp_to_cast">
<input id="timestamp_to_cast-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">timestamp_to_cast</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
<label class="view-source-button" for="timestamp_to_cast-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#timestamp_to_cast"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="timestamp_to_cast-352"><a href="#timestamp_to_cast-352"><span class="linenos">352</span></a><span class="k">def</span> <span class="nf">timestamp_to_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="timestamp_to_cast-353"><a href="#timestamp_to_cast-353"><span class="linenos">353</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">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
</span><span id="timestamp_to_cast-354"><a href="#timestamp_to_cast-354"><span class="linenos">354</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span>
</span><span id="timestamp_to_cast-355"><a href="#timestamp_to_cast-355"><span class="linenos">355</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span>
</span><span id="timestamp_to_cast-356"><a href="#timestamp_to_cast-356"><span class="linenos">356</span></a> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span>
</span><span id="timestamp_to_cast-357"><a href="#timestamp_to_cast-357"><span class="linenos">357</span></a> <span class="p">)</span>
</span><span id="timestamp_to_cast-358"><a href="#timestamp_to_cast-358"><span class="linenos">358</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
</section>
<section id="eliminate_semi_and_anti_joins">
<input id="eliminate_semi_and_anti_joins-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">eliminate_semi_and_anti_joins</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span></span><span class="return-annotation">) -> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span>
<label class="view-source-button" for="eliminate_semi_and_anti_joins-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#eliminate_semi_and_anti_joins"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="eliminate_semi_and_anti_joins-361"><a href="#eliminate_semi_and_anti_joins-361"><span class="linenos">361</span></a><span class="k">def</span> <span class="nf">eliminate_semi_and_anti_joins</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
</span><span id="eliminate_semi_and_anti_joins-362"><a href="#eliminate_semi_and_anti_joins-362"><span class="linenos">362</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">Select</span><span class="p">):</span>
</span><span id="eliminate_semi_and_anti_joins-363"><a href="#eliminate_semi_and_anti_joins-363"><span class="linenos">363</span></a> <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">&quot;joins&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span>
</span><span id="eliminate_semi_and_anti_joins-364"><a href="#eliminate_semi_and_anti_joins-364"><span class="linenos">364</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;on&quot;</span><span class="p">)</span>
</span><span id="eliminate_semi_and_anti_joins-365"><a href="#eliminate_semi_and_anti_joins-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">on</span> <span class="ow">and</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">&quot;SEMI&quot;</span><span class="p">,</span> <span class="s2">&quot;ANTI&quot;</span><span class="p">):</span>
</span><span id="eliminate_semi_and_anti_joins-366"><a href="#eliminate_semi_and_anti_joins-366"><span class="linenos">366</span></a> <span class="n">subquery</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="s2">&quot;1&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">on</span><span class="p">)</span>
</span><span id="eliminate_semi_and_anti_joins-367"><a href="#eliminate_semi_and_anti_joins-367"><span class="linenos">367</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">subquery</span><span class="p">)</span>
</span><span id="eliminate_semi_and_anti_joins-368"><a href="#eliminate_semi_and_anti_joins-368"><span class="linenos">368</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s2">&quot;ANTI&quot;</span><span class="p">:</span>
</span><span id="eliminate_semi_and_anti_joins-369"><a href="#eliminate_semi_and_anti_joins-369"><span class="linenos">369</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exists</span><span class="o">.</span><span class="n">not_</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="eliminate_semi_and_anti_joins-370"><a href="#eliminate_semi_and_anti_joins-370"><span class="linenos">370</span></a>
</span><span id="eliminate_semi_and_anti_joins-371"><a href="#eliminate_semi_and_anti_joins-371"><span class="linenos">371</span></a> <span class="n">join</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
</span><span id="eliminate_semi_and_anti_joins-372"><a href="#eliminate_semi_and_anti_joins-372"><span class="linenos">372</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">exists</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="eliminate_semi_and_anti_joins-373"><a href="#eliminate_semi_and_anti_joins-373"><span class="linenos">373</span></a>
</span><span id="eliminate_semi_and_anti_joins-374"><a href="#eliminate_semi_and_anti_joins-374"><span class="linenos">374</span></a> <span class="k">return</span> <span class="n">expression</span>
</span></pre></div>
@ -857,47 +1138,50 @@ other expressions. This transforms removes the precision from parameterized type
</div>
<a class="headerlink" href="#preprocess"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="preprocess-270"><a href="#preprocess-270"><span class="linenos">270</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span>
</span><span id="preprocess-271"><a href="#preprocess-271"><span class="linenos">271</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span>
</span><span id="preprocess-272"><a href="#preprocess-272"><span class="linenos">272</span></a><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
</span><span id="preprocess-273"><a href="#preprocess-273"><span class="linenos">273</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="preprocess-274"><a href="#preprocess-274"><span class="linenos">274</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span>
</span><span id="preprocess-275"><a href="#preprocess-275"><span class="linenos">275</span></a><span class="sd"> expression to SQL, using either the &quot;_sql&quot; method corresponding to the resulting expression,</span>
</span><span id="preprocess-276"><a href="#preprocess-276"><span class="linenos">276</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span>
</span><span id="preprocess-277"><a href="#preprocess-277"><span class="linenos">277</span></a>
</span><span id="preprocess-278"><a href="#preprocess-278"><span class="linenos">278</span></a><span class="sd"> Args:</span>
</span><span id="preprocess-279"><a href="#preprocess-279"><span class="linenos">279</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span>
</span><span id="preprocess-280"><a href="#preprocess-280"><span class="linenos">280</span></a>
</span><span id="preprocess-281"><a href="#preprocess-281"><span class="linenos">281</span></a><span class="sd"> Returns:</span>
</span><span id="preprocess-282"><a href="#preprocess-282"><span class="linenos">282</span></a><span class="sd"> Function that can be used as a generator transform.</span>
</span><span id="preprocess-283"><a href="#preprocess-283"><span class="linenos">283</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="preprocess-284"><a href="#preprocess-284"><span class="linenos">284</span></a>
</span><span id="preprocess-285"><a href="#preprocess-285"><span class="linenos">285</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
</span><span id="preprocess-286"><a href="#preprocess-286"><span class="linenos">286</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-287"><a href="#preprocess-287"><span class="linenos">287</span></a>
</span><span id="preprocess-288"><a href="#preprocess-288"><span class="linenos">288</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
</span><span id="preprocess-289"><a href="#preprocess-289"><span class="linenos">289</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
</span><span id="preprocess-290"><a href="#preprocess-290"><span class="linenos">290</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-291"><a href="#preprocess-291"><span class="linenos">291</span></a>
</span><span id="preprocess-292"><a href="#preprocess-292"><span class="linenos">292</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">&quot;_sql&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
</span><span id="preprocess-293"><a href="#preprocess-293"><span class="linenos">293</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span>
</span><span id="preprocess-294"><a href="#preprocess-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-295"><a href="#preprocess-295"><span class="linenos">295</span></a>
</span><span id="preprocess-296"><a href="#preprocess-296"><span class="linenos">296</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
</span><span id="preprocess-297"><a href="#preprocess-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span>
</span><span id="preprocess-298"><a href="#preprocess-298"><span class="linenos">298</span></a> <span class="c1"># Ensures we don&#39;t enter an infinite loop. This can happen when the original expression</span>
</span><span id="preprocess-299"><a href="#preprocess-299"><span class="linenos">299</span></a> <span class="c1"># has the same type as the final expression and there&#39;s no _sql method available for it,</span>
</span><span id="preprocess-300"><a href="#preprocess-300"><span class="linenos">300</span></a> <span class="c1"># because then it&#39;d re-enter _to_sql.</span>
</span><span id="preprocess-301"><a href="#preprocess-301"><span class="linenos">301</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
</span><span id="preprocess-302"><a href="#preprocess-302"><span class="linenos">302</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
</span><span id="preprocess-303"><a href="#preprocess-303"><span class="linenos">303</span></a> <span class="sa">f</span><span class="s2">&quot;Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed.&quot;</span>
</span><span id="preprocess-304"><a href="#preprocess-304"><span class="linenos">304</span></a> <span class="p">)</span>
</span><span id="preprocess-305"><a href="#preprocess-305"><span class="linenos">305</span></a>
</span><span id="preprocess-306"><a href="#preprocess-306"><span class="linenos">306</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-307"><a href="#preprocess-307"><span class="linenos">307</span></a>
</span><span id="preprocess-308"><a href="#preprocess-308"><span class="linenos">308</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">.&quot;</span><span class="p">)</span>
</span><span id="preprocess-309"><a href="#preprocess-309"><span class="linenos">309</span></a>
</span><span id="preprocess-310"><a href="#preprocess-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="n">_to_sql</span>
<div class="pdoc-code codehilite"><pre><span></span><span id="preprocess-377"><a href="#preprocess-377"><span class="linenos">377</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span>
</span><span id="preprocess-378"><a href="#preprocess-378"><span class="linenos">378</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span>
</span><span id="preprocess-379"><a href="#preprocess-379"><span class="linenos">379</span></a><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span>
</span><span id="preprocess-380"><a href="#preprocess-380"><span class="linenos">380</span></a><span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
</span><span id="preprocess-381"><a href="#preprocess-381"><span class="linenos">381</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span>
</span><span id="preprocess-382"><a href="#preprocess-382"><span class="linenos">382</span></a><span class="sd"> expression to SQL, using either the &quot;_sql&quot; method corresponding to the resulting expression,</span>
</span><span id="preprocess-383"><a href="#preprocess-383"><span class="linenos">383</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span>
</span><span id="preprocess-384"><a href="#preprocess-384"><span class="linenos">384</span></a>
</span><span id="preprocess-385"><a href="#preprocess-385"><span class="linenos">385</span></a><span class="sd"> Args:</span>
</span><span id="preprocess-386"><a href="#preprocess-386"><span class="linenos">386</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span>
</span><span id="preprocess-387"><a href="#preprocess-387"><span class="linenos">387</span></a>
</span><span id="preprocess-388"><a href="#preprocess-388"><span class="linenos">388</span></a><span class="sd"> Returns:</span>
</span><span id="preprocess-389"><a href="#preprocess-389"><span class="linenos">389</span></a><span class="sd"> Function that can be used as a generator transform.</span>
</span><span id="preprocess-390"><a href="#preprocess-390"><span class="linenos">390</span></a><span class="sd"> &quot;&quot;&quot;</span>
</span><span id="preprocess-391"><a href="#preprocess-391"><span class="linenos">391</span></a>
</span><span id="preprocess-392"><a href="#preprocess-392"><span class="linenos">392</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">str</span><span class="p">:</span>
</span><span id="preprocess-393"><a href="#preprocess-393"><span class="linenos">393</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-394"><a href="#preprocess-394"><span class="linenos">394</span></a>
</span><span id="preprocess-395"><a href="#preprocess-395"><span class="linenos">395</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
</span><span id="preprocess-396"><a href="#preprocess-396"><span class="linenos">396</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span>
</span><span id="preprocess-397"><a href="#preprocess-397"><span class="linenos">397</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-398"><a href="#preprocess-398"><span class="linenos">398</span></a>
</span><span id="preprocess-399"><a href="#preprocess-399"><span class="linenos">399</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">&quot;_sql&quot;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
</span><span id="preprocess-400"><a href="#preprocess-400"><span class="linenos">400</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span>
</span><span id="preprocess-401"><a href="#preprocess-401"><span class="linenos">401</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-402"><a href="#preprocess-402"><span class="linenos">402</span></a>
</span><span id="preprocess-403"><a href="#preprocess-403"><span class="linenos">403</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span>
</span><span id="preprocess-404"><a href="#preprocess-404"><span class="linenos">404</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span>
</span><span id="preprocess-405"><a href="#preprocess-405"><span class="linenos">405</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
</span><span id="preprocess-406"><a href="#preprocess-406"><span class="linenos">406</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">Func</span><span class="p">):</span>
</span><span id="preprocess-407"><a href="#preprocess-407"><span class="linenos">407</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-408"><a href="#preprocess-408"><span class="linenos">408</span></a>
</span><span id="preprocess-409"><a href="#preprocess-409"><span class="linenos">409</span></a> <span class="c1"># Ensures we don&#39;t enter an infinite loop. This can happen when the original expression</span>
</span><span id="preprocess-410"><a href="#preprocess-410"><span class="linenos">410</span></a> <span class="c1"># has the same type as the final expression and there&#39;s no _sql method available for it,</span>
</span><span id="preprocess-411"><a href="#preprocess-411"><span class="linenos">411</span></a> <span class="c1"># because then it&#39;d re-enter _to_sql.</span>
</span><span id="preprocess-412"><a href="#preprocess-412"><span class="linenos">412</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
</span><span id="preprocess-413"><a href="#preprocess-413"><span class="linenos">413</span></a> <span class="sa">f</span><span class="s2">&quot;Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed.&quot;</span>
</span><span id="preprocess-414"><a href="#preprocess-414"><span class="linenos">414</span></a> <span class="p">)</span>
</span><span id="preprocess-415"><a href="#preprocess-415"><span class="linenos">415</span></a>
</span><span id="preprocess-416"><a href="#preprocess-416"><span class="linenos">416</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
</span><span id="preprocess-417"><a href="#preprocess-417"><span class="linenos">417</span></a>
</span><span id="preprocess-418"><a href="#preprocess-418"><span class="linenos">418</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">.&quot;</span><span class="p">)</span>
</span><span id="preprocess-419"><a href="#preprocess-419"><span class="linenos">419</span></a>
</span><span id="preprocess-420"><a href="#preprocess-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">_to_sql</span>
</span></pre></div>