Merging upstream version 23.16.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
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d0f42f708a
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93 changed files with 64106 additions and 59061 deletions
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@ -586,7 +586,7 @@ queries if it would result in multiple table selects in a single query:</p>
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<div class="attr variable">
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<span class="name">UNMERGABLE_ARGS</span> =
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<input id="UNMERGABLE_ARGS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'with', 'locks', 'distinct', 'settings', 'offset', 'distribute', 'prewhere', 'laterals', 'qualify', 'windows', 'match', 'sample', 'sort', 'into', 'kind', 'pivots', 'limit', 'format', 'connect', 'cluster', 'options', 'group', 'having'}</span>
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<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'prewhere', 'distribute', 'having', 'sort', 'qualify', 'offset', 'distinct', 'settings', 'pivots', 'connect', 'limit', 'sample', 'group', 'match', 'format', 'kind', 'into', 'cluster', 'options', 'windows', 'with', 'locks', 'laterals'}</span>
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</div>
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@ -3006,7 +3006,7 @@ prefix are statically known.</p>
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<div class="attr variable">
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<span class="name">DATETRUNC_COMPARISONS</span> =
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<input id="DATETRUNC_COMPARISONS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
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<label class="view-value-button pdoc-button" for="DATETRUNC_COMPARISONS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#EQ">sqlglot.expressions.EQ</a>'>, <class '<a href="../expressions.html#GT">sqlglot.expressions.GT</a>'>, <class '<a href="../expressions.html#LTE">sqlglot.expressions.LTE</a>'>, <class '<a href="../expressions.html#NEQ">sqlglot.expressions.NEQ</a>'>, <class '<a href="../expressions.html#GTE">sqlglot.expressions.GTE</a>'>, <class '<a href="../expressions.html#LT">sqlglot.expressions.LT</a>'>, <class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>}</span>
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<label class="view-value-button pdoc-button" for="DATETRUNC_COMPARISONS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#LT">sqlglot.expressions.LT</a>'>, <class '<a href="../expressions.html#GTE">sqlglot.expressions.GTE</a>'>, <class '<a href="../expressions.html#EQ">sqlglot.expressions.EQ</a>'>, <class '<a href="../expressions.html#LTE">sqlglot.expressions.LTE</a>'>, <class '<a href="../expressions.html#NEQ">sqlglot.expressions.NEQ</a>'>, <class '<a href="../expressions.html#GT">sqlglot.expressions.GT</a>'>, <class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>}</span>
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</div>
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@ -3086,7 +3086,7 @@ prefix are statically known.</p>
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<section id="JOINS">
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<div class="attr variable">
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<span class="name">JOINS</span> =
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<span class="default_value">{('RIGHT', ''), ('', 'INNER'), ('RIGHT', 'OUTER'), ('', '')}</span>
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<span class="default_value">{('', 'INNER'), ('RIGHT', 'OUTER'), ('RIGHT', ''), ('', '')}</span>
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</div>
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@ -64,7 +64,7 @@
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<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">sqlglot</span> <span class="kn">import</span> <span class="n">exp</span>
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</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">name_sequence</span>
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</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">ScopeType</span><span class="p">,</span> <span class="n">traverse_scope</span>
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</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">ScopeType</span><span class="p">,</span> <span class="n">find_in_scope</span><span class="p">,</span> <span class="n">traverse_scope</span>
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</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a>
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</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a>
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</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="k">def</span> <span class="nf">unnest_subqueries</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
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@ -128,7 +128,7 @@
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</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
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</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="ow">and</span> <span class="p">(</span>
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</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
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</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
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</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">find_in_scope</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">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">select</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>
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</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="p">)</span>
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</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="p">):</span>
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</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
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@ -165,7 +165,7 @@
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</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="n">group</span><span class="p">:</span>
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</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">if</span> <span class="p">{</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">}</span> <span class="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
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</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
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</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">))</span>
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</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span>
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</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
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</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
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</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="p">)</span>
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@ -216,147 +216,154 @@
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</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">return</span>
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</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a>
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</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
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</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
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</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="p">)</span>
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</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a>
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</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
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</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
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</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
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</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a>
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</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
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</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
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</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
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</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
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</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
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</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="k">else</span><span class="p">:</span>
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</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
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</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
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</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
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</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="c1"># so that we don't do a many to many join</span>
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</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
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</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
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</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a>
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</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
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</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span>
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</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="n">s</span><span class="o">.</span><span class="n">unalias</span><span class="p">(),</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
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</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
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</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="p">)</span>
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</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a>
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</span><span id="L-160"><a href="#L-160"><span class="linenos">160</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>
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</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
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</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
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</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a>
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||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</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-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
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</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="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
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</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
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||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</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-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="k">else</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">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</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-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</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-175"><a href="#L-175"><span class="linenos">175</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-176"><a href="#L-176"><span class="linenos">176</span></a>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="p">)</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a>
|
||||
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="p">)</span>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="p">)</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="p">)</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="p">)</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="p">)</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="p">)</span>
|
||||
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a>
|
||||
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a>
|
||||
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a><span class="k">def</span> <span class="nf">_replace</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">condition</span><span class="p">):</span>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="n">condition</span><span class="p">))</span>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a>
|
||||
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a><span class="k">def</span> <span class="nf">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a>
|
||||
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">)):</span>
|
||||
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">)</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</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-178"><a href="#L-178"><span class="linenos">178</span></a>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</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-180"><a href="#L-180"><span class="linenos">180</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-181"><a href="#L-181"><span class="linenos">181</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-182"><a href="#L-182"><span class="linenos">182</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-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</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-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</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><span id="L-189"><a href="#L-189"><span class="linenos">189</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-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-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="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-195"><a href="#L-195"><span class="linenos">195</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-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</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-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">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-202"><a href="#L-202"><span class="linenos">202</span></a>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="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-204"><a href="#L-204"><span class="linenos">204</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-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">op_type</span> <span class="o">=</span> <span class="nb">type</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="k">if</span> <span class="n">parent_predicate</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="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-208"><a href="#L-208"><span class="linenos">208</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-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">assert</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">op_type</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-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">op_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">other</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">column</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">)"</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 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-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">assert</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">op_type</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-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">op_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">other</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">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="n">predicate</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">predicate</span> <span class="o">=</span> <span class="n">op_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">other</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">column</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</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-225"><a href="#L-225"><span class="linenos">225</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-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</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-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="p">)</span>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="ow">and</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-234"><a href="#L-234"><span class="linenos">234</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-235"><a href="#L-235"><span class="linenos">235</span></a>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</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-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">remove_aggs</span><span class="p">(</span><span class="n">node</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">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-242"><a href="#L-242"><span class="linenos">242</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-243"><a href="#L-243"><span class="linenos">243</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-244"><a href="#L-244"><span class="linenos">244</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-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">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 class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span> <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-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 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-250"><a href="#L-250"><span class="linenos">250</span></a>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</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-252"><a href="#L-252"><span class="linenos">252</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-253"><a href="#L-253"><span class="linenos">253</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-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">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</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="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">continue</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="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</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-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="p">)</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</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-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="p">)</span>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a>
|
||||
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</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-277"><a href="#L-277"><span class="linenos">277</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-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</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-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <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><span id="L-284"><a href="#L-284"><span class="linenos">284</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-285"><a href="#L-285"><span class="linenos">285</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-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><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">))</span>
|
||||
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="p">)</span>
|
||||
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</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-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</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-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="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-293"><a href="#L-293"><span class="linenos">293</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-294"><a href="#L-294"><span class="linenos">294</span></a>
|
||||
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</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-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-298"><a href="#L-298"><span class="linenos">298</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-299"><a href="#L-299"><span class="linenos">299</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-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><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -477,7 +484,7 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
</span><span id="unnest-65"><a href="#unnest-65"><span class="linenos"> 65</span></a> <span class="p">(</span><span class="ow">not</span> <span class="n">clause</span> <span class="ow">or</span> <span class="n">clause_parent_select</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">parent_select</span><span class="p">)</span>
|
||||
</span><span id="unnest-66"><a href="#unnest-66"><span class="linenos"> 66</span></a> <span class="ow">and</span> <span class="p">(</span>
|
||||
</span><span id="unnest-67"><a href="#unnest-67"><span class="linenos"> 67</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="unnest-68"><a href="#unnest-68"><span class="linenos"> 68</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">projection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="unnest-68"><a href="#unnest-68"><span class="linenos"> 68</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">find_in_scope</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">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="unnest-69"><a href="#unnest-69"><span class="linenos"> 69</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-70"><a href="#unnest-70"><span class="linenos"> 70</span></a> <span class="p">):</span>
|
||||
</span><span id="unnest-71"><a href="#unnest-71"><span class="linenos"> 71</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)</span>
|
||||
|
|
@ -514,7 +521,7 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
</span><span id="unnest-102"><a href="#unnest-102"><span class="linenos">102</span></a> <span class="k">if</span> <span class="n">group</span><span class="p">:</span>
|
||||
</span><span id="unnest-103"><a href="#unnest-103"><span class="linenos">103</span></a> <span class="k">if</span> <span class="p">{</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">}</span> <span class="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="unnest-104"><a href="#unnest-104"><span class="linenos">104</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="unnest-105"><a href="#unnest-105"><span class="linenos">105</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="unnest-105"><a href="#unnest-105"><span class="linenos">105</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span>
|
||||
</span><span id="unnest-106"><a href="#unnest-106"><span class="linenos">106</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-107"><a href="#unnest-107"><span class="linenos">107</span></a> <span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-108"><a href="#unnest-108"><span class="linenos">108</span></a> <span class="p">)</span>
|
||||
|
|
@ -580,126 +587,133 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
</span><span id="decorrelate-153"><a href="#decorrelate-153"><span class="linenos">153</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-154"><a href="#decorrelate-154"><span class="linenos">154</span></a>
|
||||
</span><span id="decorrelate-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-171"><a href="#decorrelate-171"><span class="linenos">171</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</span></a>
|
||||
</span><span id="decorrelate-176"><a href="#decorrelate-176"><span class="linenos">176</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span>
|
||||
</span><span id="decorrelate-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="n">s</span><span class="o">.</span><span class="n">unalias</span><span class="p">(),</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</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="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-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a> <span class="n">group_by</span> <span class="o">=</span> <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="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-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</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="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</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-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="k">else</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">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</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-173"><a href="#decorrelate-173"><span class="linenos">173</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</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-176"><a href="#decorrelate-176"><span class="linenos">176</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-177"><a href="#decorrelate-177"><span class="linenos">177</span></a>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="decorrelate-179"><a href="#decorrelate-179"><span class="linenos">179</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="decorrelate-180"><a href="#decorrelate-180"><span class="linenos">180</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</span></a>
|
||||
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-190"><a href="#decorrelate-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a>
|
||||
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a>
|
||||
</span><span id="decorrelate-205"><a href="#decorrelate-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-206"><a href="#decorrelate-206"><span class="linenos">206</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-207"><a href="#decorrelate-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-209"><a href="#decorrelate-209"><span class="linenos">209</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="decorrelate-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-218"><a href="#decorrelate-218"><span class="linenos">218</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-225"><span class="linenos">225</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-226"><a href="#decorrelate-226"><span class="linenos">226</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</span></a>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="decorrelate-230"><a href="#decorrelate-230"><span class="linenos">230</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</span></a>
|
||||
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-235"><a href="#decorrelate-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-236"><a href="#decorrelate-236"><span class="linenos">236</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</span></a>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</span></a>
|
||||
</span><span id="decorrelate-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-253"><a href="#decorrelate-253"><span class="linenos">253</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-254"><a href="#decorrelate-254"><span class="linenos">254</span></a>
|
||||
</span><span id="decorrelate-255"><a href="#decorrelate-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-256"><a href="#decorrelate-256"><span class="linenos">256</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-257"><a href="#decorrelate-257"><span class="linenos">257</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-258"><a href="#decorrelate-258"><span class="linenos">258</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-261"><a href="#decorrelate-261"><span class="linenos">261</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-262"><a href="#decorrelate-262"><span class="linenos">262</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-263"><a href="#decorrelate-263"><span class="linenos">263</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-264"><a href="#decorrelate-264"><span class="linenos">264</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-265"><a href="#decorrelate-265"><span class="linenos">265</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-266"><a href="#decorrelate-266"><span class="linenos">266</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-267"><a href="#decorrelate-267"><span class="linenos">267</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-268"><a href="#decorrelate-268"><span class="linenos">268</span></a>
|
||||
</span><span id="decorrelate-269"><a href="#decorrelate-269"><span class="linenos">269</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-270"><a href="#decorrelate-270"><span class="linenos">270</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-271"><a href="#decorrelate-271"><span class="linenos">271</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-272"><a href="#decorrelate-272"><span class="linenos">272</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-273"><a href="#decorrelate-273"><span class="linenos">273</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-274"><a href="#decorrelate-274"><span class="linenos">274</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-275"><a href="#decorrelate-275"><span class="linenos">275</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</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-179"><a href="#decorrelate-179"><span class="linenos">179</span></a>
|
||||
</span><span id="decorrelate-180"><a href="#decorrelate-180"><span class="linenos">180</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-181"><a href="#decorrelate-181"><span class="linenos">181</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-182"><a href="#decorrelate-182"><span class="linenos">182</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-183"><a href="#decorrelate-183"><span class="linenos">183</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-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</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-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</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><span id="decorrelate-190"><a href="#decorrelate-190"><span class="linenos">190</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-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</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-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</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-196"><a href="#decorrelate-196"><span class="linenos">196</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-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</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-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a> <span class="n">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-203"><a href="#decorrelate-203"><span class="linenos">203</span></a>
|
||||
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="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-205"><a href="#decorrelate-205"><span class="linenos">205</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-206"><a href="#decorrelate-206"><span class="linenos">206</span></a> <span class="n">op_type</span> <span class="o">=</span> <span class="nb">type</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="k">if</span> <span class="n">parent_predicate</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="decorrelate-207"><a href="#decorrelate-207"><span class="linenos">207</span></a>
|
||||
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</span></a> <span class="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-209"><a href="#decorrelate-209"><span class="linenos">209</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-210"><a href="#decorrelate-210"><span class="linenos">210</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a> <span class="k">assert</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">op_type</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-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">op_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">other</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">column</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">)"</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 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-218"><a href="#decorrelate-218"><span class="linenos">218</span></a> <span class="k">assert</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">op_type</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-219"><a href="#decorrelate-219"><span class="linenos">219</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-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">op_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">other</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a> <span class="n">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="n">predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">op_type</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">other</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">column</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-225"><span class="linenos">225</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-226"><a href="#decorrelate-226"><span class="linenos">226</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-227"><a href="#decorrelate-227"><span class="linenos">227</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</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-230"><a href="#decorrelate-230"><span class="linenos">230</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="ow">and</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-235"><a href="#decorrelate-235"><span class="linenos">235</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-236"><a href="#decorrelate-236"><span class="linenos">236</span></a>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</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-240"><a href="#decorrelate-240"><span class="linenos">240</span></a>
|
||||
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="k">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-242"><a href="#decorrelate-242"><span class="linenos">242</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-243"><a href="#decorrelate-243"><span class="linenos">243</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-244"><a href="#decorrelate-244"><span class="linenos">244</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-245"><a href="#decorrelate-245"><span class="linenos">245</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-246"><a href="#decorrelate-246"><span class="linenos">246</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</span></a>
|
||||
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a> <span class="n">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 class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span> <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-249"><a href="#decorrelate-249"><span class="linenos">249</span></a>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</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-251"><a href="#decorrelate-251"><span class="linenos">251</span></a>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</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-253"><a href="#decorrelate-253"><span class="linenos">253</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-254"><a href="#decorrelate-254"><span class="linenos">254</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-255"><a href="#decorrelate-255"><span class="linenos">255</span></a>
|
||||
</span><span id="decorrelate-256"><a href="#decorrelate-256"><span class="linenos">256</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-257"><a href="#decorrelate-257"><span class="linenos">257</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-258"><a href="#decorrelate-258"><span class="linenos">258</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="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-261"><a href="#decorrelate-261"><span class="linenos">261</span></a>
|
||||
</span><span id="decorrelate-262"><a href="#decorrelate-262"><span class="linenos">262</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-263"><a href="#decorrelate-263"><span class="linenos">263</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-264"><a href="#decorrelate-264"><span class="linenos">264</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-265"><a href="#decorrelate-265"><span class="linenos">265</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-266"><a href="#decorrelate-266"><span class="linenos">266</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-267"><a href="#decorrelate-267"><span class="linenos">267</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-268"><a href="#decorrelate-268"><span class="linenos">268</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-269"><a href="#decorrelate-269"><span class="linenos">269</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-270"><a href="#decorrelate-270"><span class="linenos">270</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-271"><a href="#decorrelate-271"><span class="linenos">271</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-272"><a href="#decorrelate-272"><span class="linenos">272</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-273"><a href="#decorrelate-273"><span class="linenos">273</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-274"><a href="#decorrelate-274"><span class="linenos">274</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-275"><a href="#decorrelate-275"><span class="linenos">275</span></a>
|
||||
</span><span id="decorrelate-276"><a href="#decorrelate-276"><span class="linenos">276</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-277"><a href="#decorrelate-277"><span class="linenos">277</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-278"><a href="#decorrelate-278"><span class="linenos">278</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-279"><a href="#decorrelate-279"><span class="linenos">279</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-280"><a href="#decorrelate-280"><span class="linenos">280</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-281"><a href="#decorrelate-281"><span class="linenos">281</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-282"><a href="#decorrelate-282"><span class="linenos">282</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue