Merging upstream version 23.7.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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@ -95,163 +95,164 @@
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</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a><span class="sd"> Args:</span>
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</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a><span class="sd"> expression: The expression to canonicalize.</span>
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</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a><span class="sd"> """</span>
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</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">canonicalize</span><span class="p">)</span>
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</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a>
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</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">add_text_to_concat</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">replace_date_funcs</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">coerce_type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ensure_bools</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_replace_int_predicate</span><span class="p">)</span>
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</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a>
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</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="k">return</span> <span class="n">expression</span>
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</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a>
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</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a>
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</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="k">def</span> <span class="nf">_canonicalize</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">add_text_to_concat</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">replace_date_funcs</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">coerce_type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ensure_bools</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_replace_int_predicate</span><span class="p">)</span>
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</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="k">return</span> <span class="n">expression</span>
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</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a>
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</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">replace_tree</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_canonicalize</span><span class="p">)</span>
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</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a>
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</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
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</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
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</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="k">return</span> <span class="n">node</span>
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</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a>
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</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a>
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</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
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</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
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</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="k">return</span> <span class="n">node</span>
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</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a>
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</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a><span class="k">def</span> <span class="nf">replace_date_funcs</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</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">Date</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expressions</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"zone"</span><span class="p">):</span>
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</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span>
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</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
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</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
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</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.annotate_types</span> <span class="kn">import</span> <span class="n">annotate_types</span>
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</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a>
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</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">annotate_types</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
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</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
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</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a>
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</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="k">return</span> <span class="n">node</span>
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</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a>
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</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a><span class="k">def</span> <span class="nf">replace_date_funcs</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
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</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="k">if</span> <span class="p">(</span>
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</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Date</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">))</span>
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</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expressions</span>
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</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"zone"</span><span class="p">)</span>
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</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="p">):</span>
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</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span>
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</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</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">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
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</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
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</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.annotate_types</span> <span class="kn">import</span> <span class="n">annotate_types</span>
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</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a>
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</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a>
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</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a><span class="n">COERCIBLE_DATE_OPS</span> <span class="o">=</span> <span class="p">(</span>
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</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">,</span>
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</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sub</span><span class="p">,</span>
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</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span>
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</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">,</span>
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</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">,</span>
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</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">,</span>
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</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">,</span>
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</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">,</span>
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</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NullSafeEQ</span><span class="p">,</span>
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</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NullSafeNEQ</span><span class="p">,</span>
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</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a><span class="p">)</span>
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</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
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</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a>
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</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a><span class="k">def</span> <span class="nf">coerce_type</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</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="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">COERCIBLE_DATE_OPS</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">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
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</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">])</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="o">*</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="p">):</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">)</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">)):</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">unit</span><span class="p">)</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</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">DateDiff</span><span class="p">):</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">_coerce_datediff_args</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="p">):</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a><span class="k">def</span> <span class="nf">ensure_bools</span><span class="p">(</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">replace_func</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="c1"># We can't replace num in CASE x WHEN num ..., because it's not the full predicate</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="p">):</span>
|
||||
</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">annotate_types</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a>
|
||||
</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="n">COERCIBLE_DATE_OPS</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">,</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sub</span><span class="p">,</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">,</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">,</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">,</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">,</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">,</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NullSafeEQ</span><span class="p">,</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NullSafeNEQ</span><span class="p">,</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="p">)</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="k">def</span> <span class="nf">coerce_type</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">COERCIBLE_DATE_OPS</span><span class="p">):</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">])</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="o">*</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="p">):</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">)</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">)):</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">unit</span><span class="p">)</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</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">DateDiff</span><span class="p">):</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">_coerce_datediff_args</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="p">):</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</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-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a><span class="k">def</span> <span class="nf">ensure_bools</span><span class="p">(</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">replace_func</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="c1"># We can't replace num in CASE x WHEN num ..., because it's not the full predicate</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="p">):</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a><span class="k">def</span> <span class="nf">_coerce_date</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">([</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">]):</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">):</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">a</span> <span class="o">=</span> <span class="n">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="o">.</span><span class="n">unit</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">a</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="ow">and</span> <span class="n">a</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">,</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="p">)</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="p">):</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a><span class="k">def</span> <span class="nf">_coerce_date</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">([</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">]):</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">):</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">a</span> <span class="o">=</span> <span class="n">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="o">.</span><span class="n">unit</span><span class="p">)</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">a</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="ow">and</span> <span class="n">a</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="p">):</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">)</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a><span class="k">def</span> <span class="nf">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">arg</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">unit</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">])</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arg</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="n">arg</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">if</span> <span class="n">arg</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">date_text</span> <span class="o">=</span> <span class="n">arg</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">is_iso_date_</span> <span class="o">=</span> <span class="n">is_iso_date</span><span class="p">(</span><span class="n">date_text</span><span class="p">)</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">if</span> <span class="n">is_iso_date_</span> <span class="ow">and</span> <span class="n">is_date_unit</span><span class="p">(</span><span class="n">unit</span><span class="p">):</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">return</span> <span class="n">arg</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">))</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="c1"># An ISO date is also an ISO datetime, but not vice versa</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">if</span> <span class="n">is_iso_date_</span> <span class="ow">or</span> <span class="n">is_iso_datetime</span><span class="p">(</span><span class="n">date_text</span><span class="p">):</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">return</span> <span class="n">arg</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">))</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">elif</span> <span class="n">arg</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">is_date_unit</span><span class="p">(</span><span class="n">unit</span><span class="p">):</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">return</span> <span class="n">arg</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">))</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">return</span> <span class="n">arg</span>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a><span class="k">def</span> <span class="nf">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">arg</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">unit</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">])</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arg</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">arg</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">if</span> <span class="n">arg</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">date_text</span> <span class="o">=</span> <span class="n">arg</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="n">is_iso_date_</span> <span class="o">=</span> <span class="n">is_iso_date</span><span class="p">(</span><span class="n">date_text</span><span class="p">)</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">is_iso_date_</span> <span class="ow">and</span> <span class="n">is_date_unit</span><span class="p">(</span><span class="n">unit</span><span class="p">):</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">return</span> <span class="n">arg</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">))</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="c1"># An ISO date is also an ISO datetime, but not vice versa</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">is_iso_date_</span> <span class="ow">or</span> <span class="n">is_iso_datetime</span><span class="p">(</span><span class="n">date_text</span><span class="p">):</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="n">arg</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">))</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">elif</span> <span class="n">arg</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">is_date_unit</span><span class="p">(</span><span class="n">unit</span><span class="p">):</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">return</span> <span class="n">arg</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">arg</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">))</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="k">return</span> <span class="n">arg</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a><span class="k">def</span> <span class="nf">_coerce_datediff_args</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">DateDiff</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span><span class="p">:</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">e</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">))</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a><span class="k">def</span> <span class="nf">_coerce_datediff_args</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">DateDiff</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span><span class="p">:</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">e</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">))</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a><span class="k">def</span> <span class="nf">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">to</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">to</span><span class="p">))</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a><span class="k">def</span> <span class="nf">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">to</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">to</span><span class="p">))</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a><span class="c1"># this was originally designed for presto, there is a similar transform for tsql</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a><span class="c1"># this is different in that it only operates on int types, this is because</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a><span class="c1"># presto has a boolean type whereas tsql doesn't (people use bits)</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a><span class="c1"># with y as (select true as x) select x = 0 FROM y -- illegal presto query</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a><span class="k">def</span> <span class="nf">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="k">if</span> <span class="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">Coalesce</span><span class="p">):</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">child</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">iter_expressions</span><span class="p">():</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">child</span><span class="p">)</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">INTEGER_TYPES</span><span class="p">:</span>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">neq</span><span class="p">(</span><span class="mi">0</span><span class="p">))</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a><span class="c1"># this was originally designed for presto, there is a similar transform for tsql</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a><span class="c1"># this is different in that it only operates on int types, this is because</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a><span class="c1"># presto has a boolean type whereas tsql doesn't (people use bits)</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a><span class="c1"># with y as (select true as x) select x = 0 FROM y -- illegal presto query</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a><span class="k">def</span> <span class="nf">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="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">Coalesce</span><span class="p">):</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="k">for</span> <span class="n">child</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">iter_expressions</span><span class="p">():</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">child</span><span class="p">)</span>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">INTEGER_TYPES</span><span class="p">:</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">neq</span><span class="p">(</span><span class="mi">0</span><span class="p">))</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -276,16 +277,17 @@
|
|||
</span><span id="canonicalize-17"><a href="#canonicalize-17"><span class="linenos">17</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="canonicalize-18"><a href="#canonicalize-18"><span class="linenos">18</span></a><span class="sd"> expression: The expression to canonicalize.</span>
|
||||
</span><span id="canonicalize-19"><a href="#canonicalize-19"><span class="linenos">19</span></a><span class="sd"> """</span>
|
||||
</span><span id="canonicalize-20"><a href="#canonicalize-20"><span class="linenos">20</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">canonicalize</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-21"><a href="#canonicalize-21"><span class="linenos">21</span></a>
|
||||
</span><span id="canonicalize-22"><a href="#canonicalize-22"><span class="linenos">22</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">add_text_to_concat</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-23"><a href="#canonicalize-23"><span class="linenos">23</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">replace_date_funcs</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-24"><a href="#canonicalize-24"><span class="linenos">24</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">coerce_type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-25"><a href="#canonicalize-25"><span class="linenos">25</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-26"><a href="#canonicalize-26"><span class="linenos">26</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ensure_bools</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_replace_int_predicate</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-27"><a href="#canonicalize-27"><span class="linenos">27</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-28"><a href="#canonicalize-28"><span class="linenos">28</span></a>
|
||||
</span><span id="canonicalize-29"><a href="#canonicalize-29"><span class="linenos">29</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="canonicalize-20"><a href="#canonicalize-20"><span class="linenos">20</span></a>
|
||||
</span><span id="canonicalize-21"><a href="#canonicalize-21"><span class="linenos">21</span></a> <span class="k">def</span> <span class="nf">_canonicalize</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="canonicalize-22"><a href="#canonicalize-22"><span class="linenos">22</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">add_text_to_concat</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-23"><a href="#canonicalize-23"><span class="linenos">23</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">replace_date_funcs</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-24"><a href="#canonicalize-24"><span class="linenos">24</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">coerce_type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-25"><a href="#canonicalize-25"><span class="linenos">25</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-26"><a href="#canonicalize-26"><span class="linenos">26</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">ensure_bools</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_replace_int_predicate</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-27"><a href="#canonicalize-27"><span class="linenos">27</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="canonicalize-28"><a href="#canonicalize-28"><span class="linenos">28</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="canonicalize-29"><a href="#canonicalize-29"><span class="linenos">29</span></a>
|
||||
</span><span id="canonicalize-30"><a href="#canonicalize-30"><span class="linenos">30</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">replace_tree</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_canonicalize</span><span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -314,10 +316,10 @@ conversions rely on type inference.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#add_text_to_concat"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="add_text_to_concat-32"><a href="#add_text_to_concat-32"><span class="linenos">32</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="add_text_to_concat-33"><a href="#add_text_to_concat-33"><span class="linenos">33</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
|
||||
</span><span id="add_text_to_concat-34"><a href="#add_text_to_concat-34"><span class="linenos">34</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
|
||||
</span><span id="add_text_to_concat-35"><a href="#add_text_to_concat-35"><span class="linenos">35</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="add_text_to_concat-33"><a href="#add_text_to_concat-33"><span class="linenos">33</span></a><span class="k">def</span> <span class="nf">add_text_to_concat</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="add_text_to_concat-34"><a href="#add_text_to_concat-34"><span class="linenos">34</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEXT_TYPES</span><span class="p">:</span>
|
||||
</span><span id="add_text_to_concat-35"><a href="#add_text_to_concat-35"><span class="linenos">35</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">])</span>
|
||||
</span><span id="add_text_to_concat-36"><a href="#add_text_to_concat-36"><span class="linenos">36</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -335,17 +337,21 @@ conversions rely on type inference.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#replace_date_funcs"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="replace_date_funcs-38"><a href="#replace_date_funcs-38"><span class="linenos">38</span></a><span class="k">def</span> <span class="nf">replace_date_funcs</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="replace_date_funcs-39"><a href="#replace_date_funcs-39"><span class="linenos">39</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">Date</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expressions</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"zone"</span><span class="p">):</span>
|
||||
</span><span id="replace_date_funcs-40"><a href="#replace_date_funcs-40"><span class="linenos">40</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-41"><a href="#replace_date_funcs-41"><span class="linenos">41</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">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="replace_date_funcs-42"><a href="#replace_date_funcs-42"><span class="linenos">42</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
|
||||
</span><span id="replace_date_funcs-43"><a href="#replace_date_funcs-43"><span class="linenos">43</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.annotate_types</span> <span class="kn">import</span> <span class="n">annotate_types</span>
|
||||
</span><span id="replace_date_funcs-44"><a href="#replace_date_funcs-44"><span class="linenos">44</span></a>
|
||||
</span><span id="replace_date_funcs-45"><a href="#replace_date_funcs-45"><span class="linenos">45</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">annotate_types</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-46"><a href="#replace_date_funcs-46"><span class="linenos">46</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-47"><a href="#replace_date_funcs-47"><span class="linenos">47</span></a>
|
||||
</span><span id="replace_date_funcs-48"><a href="#replace_date_funcs-48"><span class="linenos">48</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="replace_date_funcs-39"><a href="#replace_date_funcs-39"><span class="linenos">39</span></a><span class="k">def</span> <span class="nf">replace_date_funcs</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="replace_date_funcs-40"><a href="#replace_date_funcs-40"><span class="linenos">40</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="replace_date_funcs-41"><a href="#replace_date_funcs-41"><span class="linenos">41</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Date</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">))</span>
|
||||
</span><span id="replace_date_funcs-42"><a href="#replace_date_funcs-42"><span class="linenos">42</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expressions</span>
|
||||
</span><span id="replace_date_funcs-43"><a href="#replace_date_funcs-43"><span class="linenos">43</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"zone"</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-44"><a href="#replace_date_funcs-44"><span class="linenos">44</span></a> <span class="p">):</span>
|
||||
</span><span id="replace_date_funcs-45"><a href="#replace_date_funcs-45"><span class="linenos">45</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-46"><a href="#replace_date_funcs-46"><span class="linenos">46</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">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span>
|
||||
</span><span id="replace_date_funcs-47"><a href="#replace_date_funcs-47"><span class="linenos">47</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
|
||||
</span><span id="replace_date_funcs-48"><a href="#replace_date_funcs-48"><span class="linenos">48</span></a> <span class="kn">from</span> <span class="nn">sqlglot.optimizer.annotate_types</span> <span class="kn">import</span> <span class="n">annotate_types</span>
|
||||
</span><span id="replace_date_funcs-49"><a href="#replace_date_funcs-49"><span class="linenos">49</span></a>
|
||||
</span><span id="replace_date_funcs-50"><a href="#replace_date_funcs-50"><span class="linenos">50</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">annotate_types</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-51"><a href="#replace_date_funcs-51"><span class="linenos">51</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">type</span> <span class="ow">or</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">)</span>
|
||||
</span><span id="replace_date_funcs-52"><a href="#replace_date_funcs-52"><span class="linenos">52</span></a>
|
||||
</span><span id="replace_date_funcs-53"><a href="#replace_date_funcs-53"><span class="linenos">53</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -376,21 +382,21 @@ conversions rely on type inference.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#coerce_type"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="coerce_type-65"><a href="#coerce_type-65"><span class="linenos">65</span></a><span class="k">def</span> <span class="nf">coerce_type</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="coerce_type-66"><a href="#coerce_type-66"><span class="linenos">66</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">COERCIBLE_DATE_OPS</span><span class="p">):</span>
|
||||
</span><span id="coerce_type-67"><a href="#coerce_type-67"><span class="linenos">67</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-68"><a href="#coerce_type-68"><span class="linenos">68</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span>
|
||||
</span><span id="coerce_type-69"><a href="#coerce_type-69"><span class="linenos">69</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">])</span>
|
||||
</span><span id="coerce_type-70"><a href="#coerce_type-70"><span class="linenos">70</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span>
|
||||
</span><span id="coerce_type-71"><a href="#coerce_type-71"><span class="linenos">71</span></a> <span class="o">*</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
|
||||
</span><span id="coerce_type-72"><a href="#coerce_type-72"><span class="linenos">72</span></a> <span class="p">):</span>
|
||||
</span><span id="coerce_type-73"><a href="#coerce_type-73"><span class="linenos">73</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-74"><a href="#coerce_type-74"><span class="linenos">74</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">)):</span>
|
||||
</span><span id="coerce_type-75"><a href="#coerce_type-75"><span class="linenos">75</span></a> <span class="n">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">unit</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-76"><a href="#coerce_type-76"><span class="linenos">76</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">DateDiff</span><span class="p">):</span>
|
||||
</span><span id="coerce_type-77"><a href="#coerce_type-77"><span class="linenos">77</span></a> <span class="n">_coerce_datediff_args</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-78"><a href="#coerce_type-78"><span class="linenos">78</span></a>
|
||||
</span><span id="coerce_type-79"><a href="#coerce_type-79"><span class="linenos">79</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="coerce_type-70"><a href="#coerce_type-70"><span class="linenos">70</span></a><span class="k">def</span> <span class="nf">coerce_type</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="coerce_type-71"><a href="#coerce_type-71"><span class="linenos">71</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">COERCIBLE_DATE_OPS</span><span class="p">):</span>
|
||||
</span><span id="coerce_type-72"><a href="#coerce_type-72"><span class="linenos">72</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-73"><a href="#coerce_type-73"><span class="linenos">73</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span>
|
||||
</span><span id="coerce_type-74"><a href="#coerce_type-74"><span class="linenos">74</span></a> <span class="n">_coerce_date</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">])</span>
|
||||
</span><span id="coerce_type-75"><a href="#coerce_type-75"><span class="linenos">75</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span>
|
||||
</span><span id="coerce_type-76"><a href="#coerce_type-76"><span class="linenos">76</span></a> <span class="o">*</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span>
|
||||
</span><span id="coerce_type-77"><a href="#coerce_type-77"><span class="linenos">77</span></a> <span class="p">):</span>
|
||||
</span><span id="coerce_type-78"><a href="#coerce_type-78"><span class="linenos">78</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-79"><a href="#coerce_type-79"><span class="linenos">79</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="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">)):</span>
|
||||
</span><span id="coerce_type-80"><a href="#coerce_type-80"><span class="linenos">80</span></a> <span class="n">_coerce_timeunit_arg</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">unit</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-81"><a href="#coerce_type-81"><span class="linenos">81</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">DateDiff</span><span class="p">):</span>
|
||||
</span><span id="coerce_type-82"><a href="#coerce_type-82"><span class="linenos">82</span></a> <span class="n">_coerce_datediff_args</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="coerce_type-83"><a href="#coerce_type-83"><span class="linenos">83</span></a>
|
||||
</span><span id="coerce_type-84"><a href="#coerce_type-84"><span class="linenos">84</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -408,14 +414,14 @@ conversions rely on type inference.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#remove_redundant_casts"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_redundant_casts-82"><a href="#remove_redundant_casts-82"><span class="linenos">82</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="remove_redundant_casts-83"><a href="#remove_redundant_casts-83"><span class="linenos">83</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="remove_redundant_casts-84"><a href="#remove_redundant_casts-84"><span class="linenos">84</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
|
||||
</span><span id="remove_redundant_casts-85"><a href="#remove_redundant_casts-85"><span class="linenos">85</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="remove_redundant_casts-86"><a href="#remove_redundant_casts-86"><span class="linenos">86</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="remove_redundant_casts-87"><a href="#remove_redundant_casts-87"><span class="linenos">87</span></a> <span class="p">):</span>
|
||||
</span><span id="remove_redundant_casts-88"><a href="#remove_redundant_casts-88"><span class="linenos">88</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="remove_redundant_casts-89"><a href="#remove_redundant_casts-89"><span class="linenos">89</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_redundant_casts-87"><a href="#remove_redundant_casts-87"><span class="linenos">87</span></a><span class="k">def</span> <span class="nf">remove_redundant_casts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="remove_redundant_casts-88"><a href="#remove_redundant_casts-88"><span class="linenos">88</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="remove_redundant_casts-89"><a href="#remove_redundant_casts-89"><span class="linenos">89</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span>
|
||||
</span><span id="remove_redundant_casts-90"><a href="#remove_redundant_casts-90"><span class="linenos">90</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span>
|
||||
</span><span id="remove_redundant_casts-91"><a href="#remove_redundant_casts-91"><span class="linenos">91</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="remove_redundant_casts-92"><a href="#remove_redundant_casts-92"><span class="linenos">92</span></a> <span class="p">):</span>
|
||||
</span><span id="remove_redundant_casts-93"><a href="#remove_redundant_casts-93"><span class="linenos">93</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="remove_redundant_casts-94"><a href="#remove_redundant_casts-94"><span class="linenos">94</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -433,23 +439,23 @@ conversions rely on type inference.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#ensure_bools"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="ensure_bools-92"><a href="#ensure_bools-92"><span class="linenos"> 92</span></a><span class="k">def</span> <span class="nf">ensure_bools</span><span class="p">(</span>
|
||||
</span><span id="ensure_bools-93"><a href="#ensure_bools-93"><span class="linenos"> 93</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">replace_func</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span>
|
||||
</span><span id="ensure_bools-94"><a href="#ensure_bools-94"><span class="linenos"> 94</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="ensure_bools-95"><a href="#ensure_bools-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span>
|
||||
</span><span id="ensure_bools-96"><a href="#ensure_bools-96"><span class="linenos"> 96</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-97"><a href="#ensure_bools-97"><span class="linenos"> 97</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-98"><a href="#ensure_bools-98"><span class="linenos"> 98</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span>
|
||||
</span><span id="ensure_bools-99"><a href="#ensure_bools-99"><span class="linenos"> 99</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-100"><a href="#ensure_bools-100"><span class="linenos">100</span></a> <span class="c1"># We can't replace num in CASE x WHEN num ..., because it's not the full predicate</span>
|
||||
</span><span id="ensure_bools-101"><a href="#ensure_bools-101"><span class="linenos">101</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span>
|
||||
</span><span id="ensure_bools-102"><a href="#ensure_bools-102"><span class="linenos">102</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="ensure_bools-103"><a href="#ensure_bools-103"><span class="linenos">103</span></a> <span class="p">):</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="ensure_bools-97"><a href="#ensure_bools-97"><span class="linenos"> 97</span></a><span class="k">def</span> <span class="nf">ensure_bools</span><span class="p">(</span>
|
||||
</span><span id="ensure_bools-98"><a href="#ensure_bools-98"><span class="linenos"> 98</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">replace_func</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span>
|
||||
</span><span id="ensure_bools-99"><a href="#ensure_bools-99"><span class="linenos"> 99</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="ensure_bools-100"><a href="#ensure_bools-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span>
|
||||
</span><span id="ensure_bools-101"><a href="#ensure_bools-101"><span class="linenos">101</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-102"><a href="#ensure_bools-102"><span class="linenos">102</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-103"><a href="#ensure_bools-103"><span class="linenos">103</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span>
|
||||
</span><span id="ensure_bools-104"><a href="#ensure_bools-104"><span class="linenos">104</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-105"><a href="#ensure_bools-105"><span class="linenos">105</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
|
||||
</span><span id="ensure_bools-106"><a href="#ensure_bools-106"><span class="linenos">106</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-107"><a href="#ensure_bools-107"><span class="linenos">107</span></a>
|
||||
</span><span id="ensure_bools-108"><a href="#ensure_bools-108"><span class="linenos">108</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="ensure_bools-105"><a href="#ensure_bools-105"><span class="linenos">105</span></a> <span class="c1"># We can't replace num in CASE x WHEN num ..., because it's not the full predicate</span>
|
||||
</span><span id="ensure_bools-106"><a href="#ensure_bools-106"><span class="linenos">106</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span>
|
||||
</span><span id="ensure_bools-107"><a href="#ensure_bools-107"><span class="linenos">107</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="ensure_bools-108"><a href="#ensure_bools-108"><span class="linenos">108</span></a> <span class="p">):</span>
|
||||
</span><span id="ensure_bools-109"><a href="#ensure_bools-109"><span class="linenos">109</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-110"><a href="#ensure_bools-110"><span class="linenos">110</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">)):</span>
|
||||
</span><span id="ensure_bools-111"><a href="#ensure_bools-111"><span class="linenos">111</span></a> <span class="n">replace_func</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="ensure_bools-112"><a href="#ensure_bools-112"><span class="linenos">112</span></a>
|
||||
</span><span id="ensure_bools-113"><a href="#ensure_bools-113"><span class="linenos">113</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -467,12 +473,12 @@ conversions rely on type inference.</p>
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#remove_ascending_order"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_ascending_order-111"><a href="#remove_ascending_order-111"><span class="linenos">111</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="remove_ascending_order-112"><a href="#remove_ascending_order-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
|
||||
</span><span id="remove_ascending_order-113"><a href="#remove_ascending_order-113"><span class="linenos">113</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span>
|
||||
</span><span id="remove_ascending_order-114"><a href="#remove_ascending_order-114"><span class="linenos">114</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="remove_ascending_order-115"><a href="#remove_ascending_order-115"><span class="linenos">115</span></a>
|
||||
</span><span id="remove_ascending_order-116"><a href="#remove_ascending_order-116"><span class="linenos">116</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="remove_ascending_order-116"><a href="#remove_ascending_order-116"><span class="linenos">116</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span>
|
||||
</span><span id="remove_ascending_order-117"><a href="#remove_ascending_order-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
|
||||
</span><span id="remove_ascending_order-118"><a href="#remove_ascending_order-118"><span class="linenos">118</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span>
|
||||
</span><span id="remove_ascending_order-119"><a href="#remove_ascending_order-119"><span class="linenos">119</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
|
||||
</span><span id="remove_ascending_order-120"><a href="#remove_ascending_order-120"><span class="linenos">120</span></a>
|
||||
</span><span id="remove_ascending_order-121"><a href="#remove_ascending_order-121"><span class="linenos">121</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -90,7 +90,7 @@
|
|||
</span><span id="L-32"><a href="#L-32"><span class="linenos">32</span></a> <span class="n">cte_node</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="L-33"><a href="#L-33"><span class="linenos">33</span></a>
|
||||
</span><span id="L-34"><a href="#L-34"><span class="linenos">34</span></a> <span class="c1"># Pop the entire WITH clause if this is the last CTE</span>
|
||||
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">with_node</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</span></a> <span class="k">if</span> <span class="n">with_node</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">with_node</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="L-36"><a href="#L-36"><span class="linenos">36</span></a> <span class="n">with_node</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="L-37"><a href="#L-37"><span class="linenos">37</span></a>
|
||||
</span><span id="L-38"><a href="#L-38"><span class="linenos">38</span></a> <span class="c1"># Decrement the ref count for all sources this CTE selects from</span>
|
||||
|
|
@ -145,7 +145,7 @@
|
|||
</span><span id="eliminate_ctes-33"><a href="#eliminate_ctes-33"><span class="linenos">33</span></a> <span class="n">cte_node</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="eliminate_ctes-34"><a href="#eliminate_ctes-34"><span class="linenos">34</span></a>
|
||||
</span><span id="eliminate_ctes-35"><a href="#eliminate_ctes-35"><span class="linenos">35</span></a> <span class="c1"># Pop the entire WITH clause if this is the last CTE</span>
|
||||
</span><span id="eliminate_ctes-36"><a href="#eliminate_ctes-36"><span class="linenos">36</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">with_node</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="eliminate_ctes-36"><a href="#eliminate_ctes-36"><span class="linenos">36</span></a> <span class="k">if</span> <span class="n">with_node</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">with_node</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="eliminate_ctes-37"><a href="#eliminate_ctes-37"><span class="linenos">37</span></a> <span class="n">with_node</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="eliminate_ctes-38"><a href="#eliminate_ctes-38"><span class="linenos">38</span></a>
|
||||
</span><span id="eliminate_ctes-39"><a href="#eliminate_ctes-39"><span class="linenos">39</span></a> <span class="c1"># Decrement the ref count for all sources this CTE selects from</span>
|
||||
|
|
|
|||
|
|
@ -284,209 +284,210 @@
|
|||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">_outer_select_joins_on_inner_select_join</span><span class="p">()</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">_is_a_window_expression_in_unmergable_operation</span><span class="p">()</span>
|
||||
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">_is_recursive</span><span class="p">()</span>
|
||||
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="p">)</span>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a>
|
||||
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span><span class="n">inner_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">"order"</span><span class="p">)</span> <span class="ow">and</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">is_union</span><span class="p">)</span>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="p">)</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a><span class="k">def</span> <span class="nf">_rename_inner_sources</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">alias</span><span class="p">):</span>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a><span class="sd"> Renames any sources in the inner query that conflict with names in the outer query.</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a><span class="sd"> alias (str)</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">taken</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">outer_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">)</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">conflicts</span> <span class="o">=</span> <span class="n">taken</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">inner_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">))</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">conflicts</span> <span class="o">-=</span> <span class="p">{</span><span class="n">alias</span><span class="p">}</span>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">for</span> <span class="n">conflict</span> <span class="ow">in</span> <span class="n">conflicts</span><span class="p">:</span>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">new_name</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken</span><span class="p">,</span> <span class="n">conflict</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="n">source</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">[</span><span class="n">conflict</span><span class="p">]</span>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">new_alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">new_name</span><span class="p">)</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="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">new_alias</span><span class="p">))</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">new_alias</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">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">source</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">alias_</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">new_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">column</span> <span class="ow">in</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">source_columns</span><span class="p">(</span><span class="n">conflict</span><span class="p">):</span>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">new_name</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">inner_scope</span><span class="o">.</span><span class="n">rename_source</span><span class="p">(</span><span class="n">conflict</span><span class="p">,</span> <span class="n">new_name</span><span class="p">)</span>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a><span class="k">def</span> <span class="nf">_rename_inner_sources</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">alias</span><span class="p">):</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a><span class="sd"> Renames any sources in the inner query that conflict with names in the outer query.</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a><span class="sd"> alias (str)</span>
|
||||
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">taken</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">outer_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">)</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">conflicts</span> <span class="o">=</span> <span class="n">taken</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">inner_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">))</span>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">conflicts</span> <span class="o">-=</span> <span class="p">{</span><span class="n">alias</span><span class="p">}</span>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">for</span> <span class="n">conflict</span> <span class="ow">in</span> <span class="n">conflicts</span><span class="p">:</span>
|
||||
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">new_name</span> <span class="o">=</span> <span class="n">find_new_name</span><span class="p">(</span><span class="n">taken</span><span class="p">,</span> <span class="n">conflict</span><span class="p">)</span>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">source</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">[</span><span class="n">conflict</span><span class="p">]</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">new_alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">new_name</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">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">new_alias</span><span class="p">))</span>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">source</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">new_alias</span><span class="p">)</span>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">source</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">alias_</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">new_alias</span><span class="p">))</span>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">source_columns</span><span class="p">(</span><span class="n">conflict</span><span class="p">):</span>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">new_name</span><span class="p">))</span>
|
||||
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">inner_scope</span><span class="o">.</span><span class="n">rename_source</span><span class="p">(</span><span class="n">conflict</span><span class="p">,</span> <span class="n">new_name</span><span class="p">)</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a>
|
||||
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a><span class="k">def</span> <span class="nf">_merge_from</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">node_to_replace</span><span class="p">,</span> <span class="n">alias</span><span class="p">):</span>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a><span class="sd"> Merge FROM clause of inner query into outer query.</span>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a><span class="sd"> node_to_replace (exp.Subquery|exp.Table)</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a><span class="sd"> alias (str)</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">new_subquery</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">new_subquery</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">node_to_replace</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">))</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">node_to_replace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">new_subquery</span><span class="p">)</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">for</span> <span class="n">join_hint</span> <span class="ow">in</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">join_hints</span><span class="p">:</span>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">join_hint</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="o">==</span> <span class="n">node_to_replace</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">new_subquery</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">))</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">remove_source</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">add_source</span><span class="p">(</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">new_subquery</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">new_subquery</span><span class="o">.</span><span class="n">alias_or_name</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-252"><a href="#L-252"><span class="linenos">252</span></a>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a><span class="k">def</span> <span class="nf">_merge_from</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">node_to_replace</span><span class="p">,</span> <span class="n">alias</span><span class="p">):</span>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a><span class="sd"> Merge FROM clause of inner query into outer query.</span>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a><span class="sd"> node_to_replace (exp.Subquery|exp.Table)</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a><span class="sd"> alias (str)</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">new_subquery</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">new_subquery</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">node_to_replace</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">))</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">node_to_replace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">new_subquery</span><span class="p">)</span>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="k">for</span> <span class="n">join_hint</span> <span class="ow">in</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">join_hints</span><span class="p">:</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">join_hint</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="o">==</span> <span class="n">node_to_replace</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">new_subquery</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">))</span>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">remove_source</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">add_source</span><span class="p">(</span>
|
||||
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">new_subquery</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">new_subquery</span><span class="o">.</span><span class="n">alias_or_name</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 class="k">def</span> <span class="nf">_merge_joins</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">from_or_join</span><span class="p">):</span>
|
||||
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a><span class="sd"> Merge JOIN clauses of inner query into outer query.</span>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a>
|
||||
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a><span class="sd"> from_or_join (exp.From|exp.Join)</span>
|
||||
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a>
|
||||
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="n">new_joins</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a>
|
||||
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span>
|
||||
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span>
|
||||
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">new_joins</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">join</span><span class="p">)</span>
|
||||
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">add_source</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">])</span>
|
||||
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a>
|
||||
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">if</span> <span class="n">new_joins</span><span class="p">:</span>
|
||||
</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="n">outer_joins</span> <span class="o">=</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])</span>
|
||||
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a>
|
||||
</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="c1"># Maintain the join order</span>
|
||||
</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">from_or_join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span>
|
||||
</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="n">position</span> <span class="o">=</span> <span class="mi">0</span>
|
||||
</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">position</span> <span class="o">=</span> <span class="n">outer_joins</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">from_or_join</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">outer_joins</span><span class="p">[</span><span class="n">position</span><span class="p">:</span><span class="n">position</span><span class="p">]</span> <span class="o">=</span> <span class="n">new_joins</span>
|
||||
</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a>
|
||||
</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">outer_joins</span><span class="p">)</span>
|
||||
</span><span id="L-304"><a href="#L-304"><span class="linenos">304</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">_merge_joins</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">from_or_join</span><span class="p">):</span>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="sd"> Merge JOIN clauses of inner query into outer query.</span>
|
||||
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a><span class="sd"> from_or_join (exp.From|exp.Join)</span>
|
||||
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a>
|
||||
</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="n">new_joins</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a>
|
||||
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span>
|
||||
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span>
|
||||
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="n">new_joins</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">join</span><span class="p">)</span>
|
||||
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">add_source</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">])</span>
|
||||
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a>
|
||||
</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="k">if</span> <span class="n">new_joins</span><span class="p">:</span>
|
||||
</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="n">outer_joins</span> <span class="o">=</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])</span>
|
||||
</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a>
|
||||
</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="c1"># Maintain the join order</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">from_or_join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span>
|
||||
</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="n">position</span> <span class="o">=</span> <span class="mi">0</span>
|
||||
</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">position</span> <span class="o">=</span> <span class="n">outer_joins</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">from_or_join</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span>
|
||||
</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">outer_joins</span><span class="p">[</span><span class="n">position</span><span class="p">:</span><span class="n">position</span><span class="p">]</span> <span class="o">=</span> <span class="n">new_joins</span>
|
||||
</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a>
|
||||
</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="n">outer_joins</span><span class="p">)</span>
|
||||
</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a>
|
||||
</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a><span class="k">def</span> <span class="nf">_merge_expressions</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">alias</span><span class="p">):</span>
|
||||
</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a><span class="sd"> Merge projections of inner query into outer query.</span>
|
||||
</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a>
|
||||
</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a><span class="sd"> alias (str)</span>
|
||||
</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="c1"># Collect all columns that reference the alias of the inner query</span>
|
||||
</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="n">outer_columns</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">list</span><span class="p">)</span>
|
||||
</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="o">==</span> <span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="n">outer_columns</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a>
|
||||
</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="c1"># Replace columns with the projection expression in the inner query</span>
|
||||
</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">projection_name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">projection_name</span><span class="p">:</span>
|
||||
</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="n">columns_to_replace</span> <span class="o">=</span> <span class="n">outer_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">projection_name</span><span class="p">,</span> <span class="p">[])</span>
|
||||
</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a>
|
||||
</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">unalias</span><span class="p">()</span>
|
||||
</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="n">must_wrap_expression</span> <span class="o">=</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">SAFE_TO_REPLACE_UNWRAPPED</span><span class="p">)</span>
|
||||
</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a>
|
||||
</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns_to_replace</span><span class="p">:</span>
|
||||
</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="c1"># Ensures we don't alter the intended operator precedence if there's additional</span>
|
||||
</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="c1"># context surrounding the outer expression (i.e. it's not a simple projection).</span>
|
||||
</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Unary</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">))</span> <span class="ow">and</span> <span class="n">must_wrap_expression</span><span class="p">:</span>
|
||||
</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</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-336"><a href="#L-336"><span class="linenos">336</span></a>
|
||||
</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="n">column</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
|
||||
</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a>
|
||||
</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a>
|
||||
</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a><span class="k">def</span> <span class="nf">_merge_expressions</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">alias</span><span class="p">):</span>
|
||||
</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a><span class="sd"> Merge projections of inner query into outer query.</span>
|
||||
</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a>
|
||||
</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a><span class="sd"> alias (str)</span>
|
||||
</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="c1"># Collect all columns that reference the alias of the inner query</span>
|
||||
</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="n">outer_columns</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">list</span><span class="p">)</span>
|
||||
</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="o">==</span> <span class="n">alias</span><span class="p">:</span>
|
||||
</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">outer_columns</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">column</span><span class="p">)</span>
|
||||
</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a>
|
||||
</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="c1"># Replace columns with the projection expression in the inner query</span>
|
||||
</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="n">projection_name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">projection_name</span><span class="p">:</span>
|
||||
</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="n">columns_to_replace</span> <span class="o">=</span> <span class="n">outer_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">projection_name</span><span class="p">,</span> <span class="p">[])</span>
|
||||
</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a>
|
||||
</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">unalias</span><span class="p">()</span>
|
||||
</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="n">must_wrap_expression</span> <span class="o">=</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">SAFE_TO_REPLACE_UNWRAPPED</span><span class="p">)</span>
|
||||
</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a>
|
||||
</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns_to_replace</span><span class="p">:</span>
|
||||
</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="c1"># Ensures we don't alter the intended operator precedence if there's additional</span>
|
||||
</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="c1"># context surrounding the outer expression (i.e. it's not a simple projection).</span>
|
||||
</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Unary</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">))</span> <span class="ow">and</span> <span class="n">must_wrap_expression</span><span class="p">:</span>
|
||||
</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</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-337"><a href="#L-337"><span class="linenos">337</span></a>
|
||||
</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="n">column</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
|
||||
</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a>
|
||||
</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a><span class="k">def</span> <span class="nf">_merge_where</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">from_or_join</span><span class="p">):</span>
|
||||
</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a><span class="sd"> Merge WHERE clause of inner query into outer query.</span>
|
||||
</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a>
|
||||
</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a><span class="sd"> from_or_join (exp.From|exp.Join)</span>
|
||||
</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="k">return</span>
|
||||
</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a>
|
||||
</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a>
|
||||
</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">from_or_join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="c1"># Merge predicates from an outer join to the ON clause</span>
|
||||
</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="c1"># if it only has columns that are already joined</span>
|
||||
</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span>
|
||||
</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{</span><span class="n">from_</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">}</span> <span class="k">if</span> <span class="n">from_</span> <span class="k">else</span> <span class="p">{}</span>
|
||||
</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a>
|
||||
</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">]:</span>
|
||||
</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">sources</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
|
||||
</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="k">if</span> <span class="n">source</span> <span class="o">==</span> <span class="n">from_or_join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span>
|
||||
</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">break</span>
|
||||
</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a>
|
||||
</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">if</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o"><=</span> <span class="n">sources</span><span class="p">:</span>
|
||||
</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">from_or_join</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="n">from_or_join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"on"</span><span class="p">,</span> <span class="n">from_or_join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">))</span>
|
||||
</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="k">return</span>
|
||||
</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a>
|
||||
</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a>
|
||||
</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a>
|
||||
</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a><span class="k">def</span> <span class="nf">_merge_where</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">,</span> <span class="n">from_or_join</span><span class="p">):</span>
|
||||
</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a><span class="sd"> Merge WHERE clause of inner query into outer query.</span>
|
||||
</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a>
|
||||
</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a><span class="sd"> from_or_join (exp.From|exp.Join)</span>
|
||||
</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">return</span>
|
||||
</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a>
|
||||
</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span>
|
||||
</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a>
|
||||
</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">from_or_join</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="c1"># Merge predicates from an outer join to the ON clause</span>
|
||||
</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="c1"># if it only has columns that are already joined</span>
|
||||
</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span>
|
||||
</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="n">sources</span> <span class="o">=</span> <span class="p">{</span><span class="n">from_</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">}</span> <span class="k">if</span> <span class="n">from_</span> <span class="k">else</span> <span class="p">{}</span>
|
||||
</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a>
|
||||
</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">]:</span>
|
||||
</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="n">sources</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">source</span><span class="p">)</span>
|
||||
</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">source</span> <span class="o">==</span> <span class="n">from_or_join</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span>
|
||||
</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">break</span>
|
||||
</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a>
|
||||
</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="k">if</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o"><=</span> <span class="n">sources</span><span class="p">:</span>
|
||||
</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="n">from_or_join</span><span class="o">.</span><span class="n">on</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">from_or_join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"on"</span><span class="p">,</span> <span class="n">from_or_join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">))</span>
|
||||
</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">return</span>
|
||||
</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a>
|
||||
</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a>
|
||||
</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a><span class="k">def</span> <span class="nf">_merge_order</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">):</span>
|
||||
</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a><span class="sd"> Merge ORDER clause of inner query into outer query.</span>
|
||||
</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a>
|
||||
</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="p">[</span><span class="s2">"group"</span><span class="p">,</span> <span class="s2">"distinct"</span><span class="p">,</span> <span class="s2">"having"</span><span class="p">,</span> <span class="s2">"order"</span><span class="p">]</span>
|
||||
</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="p">)</span>
|
||||
</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="n">outer_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">1</span>
|
||||
</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span>
|
||||
</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="p">):</span>
|
||||
</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">return</span>
|
||||
</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a>
|
||||
</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"order"</span><span class="p">,</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">))</span>
|
||||
</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a>
|
||||
</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a>
|
||||
</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a><span class="k">def</span> <span class="nf">_merge_order</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">):</span>
|
||||
</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a><span class="sd"> Merge ORDER clause of inner query into outer query.</span>
|
||||
</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a>
|
||||
</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a><span class="sd"> outer_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="p">[</span><span class="s2">"group"</span><span class="p">,</span> <span class="s2">"distinct"</span><span class="p">,</span> <span class="s2">"having"</span><span class="p">,</span> <span class="s2">"order"</span><span class="p">]</span>
|
||||
</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="p">)</span>
|
||||
</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="n">outer_scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">1</span>
|
||||
</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="ow">or</span> <span class="nb">any</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span>
|
||||
</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="p">):</span>
|
||||
</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">return</span>
|
||||
</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a>
|
||||
</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"order"</span><span class="p">,</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">))</span>
|
||||
</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a>
|
||||
</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a><span class="k">def</span> <span class="nf">_merge_hints</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">):</span>
|
||||
</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">inner_scope_hint</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"hint"</span><span class="p">)</span>
|
||||
</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">inner_scope_hint</span><span class="p">:</span>
|
||||
</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="k">return</span>
|
||||
</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">outer_scope_hint</span> <span class="o">=</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"hint"</span><span class="p">)</span>
|
||||
</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">if</span> <span class="n">outer_scope_hint</span><span class="p">:</span>
|
||||
</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">for</span> <span class="n">hint_expression</span> <span class="ow">in</span> <span class="n">inner_scope_hint</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">outer_scope_hint</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">hint_expression</span><span class="p">)</span>
|
||||
</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"hint"</span><span class="p">,</span> <span class="n">inner_scope_hint</span><span class="p">)</span>
|
||||
</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a>
|
||||
</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a>
|
||||
</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a><span class="k">def</span> <span class="nf">_merge_hints</span><span class="p">(</span><span class="n">outer_scope</span><span class="p">,</span> <span class="n">inner_scope</span><span class="p">):</span>
|
||||
</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="n">inner_scope_hint</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"hint"</span><span class="p">)</span>
|
||||
</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">inner_scope_hint</span><span class="p">:</span>
|
||||
</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="k">return</span>
|
||||
</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">outer_scope_hint</span> <span class="o">=</span> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"hint"</span><span class="p">)</span>
|
||||
</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">if</span> <span class="n">outer_scope_hint</span><span class="p">:</span>
|
||||
</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="k">for</span> <span class="n">hint_expression</span> <span class="ow">in</span> <span class="n">inner_scope_hint</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span>
|
||||
</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="n">outer_scope_hint</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">hint_expression</span><span class="p">)</span>
|
||||
</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="n">outer_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"hint"</span><span class="p">,</span> <span class="n">inner_scope_hint</span><span class="p">)</span>
|
||||
</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a>
|
||||
</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a><span class="k">def</span> <span class="nf">_pop_cte</span><span class="p">(</span><span class="n">inner_scope</span><span class="p">):</span>
|
||||
</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a><span class="sd"> Remove CTE from the AST.</span>
|
||||
</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a>
|
||||
</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="n">cte</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span>
|
||||
</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">parent</span>
|
||||
</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="n">with_</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a>
|
||||
</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a><span class="k">def</span> <span class="nf">_pop_cte</span><span class="p">(</span><span class="n">inner_scope</span><span class="p">):</span>
|
||||
</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a><span class="sd"> Remove CTE from the AST.</span>
|
||||
</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a>
|
||||
</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a><span class="sd"> Args:</span>
|
||||
</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a><span class="sd"> inner_scope (sqlglot.optimizer.scope.Scope)</span>
|
||||
</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="n">cte</span> <span class="o">=</span> <span class="n">inner_scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span>
|
||||
</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">parent</span>
|
||||
</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
||||
</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">with_</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -585,7 +586,7 @@ queries if it would result in multiple table selects in a single query:</p>
|
|||
<div class="attr variable">
|
||||
<span class="name">UNMERGABLE_ARGS</span> =
|
||||
<input id="UNMERGABLE_ARGS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
|
||||
<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'pivots', 'sample', 'cluster', 'into', 'kind', 'format', 'sort', 'settings', 'options', 'locks', 'connect', 'limit', 'with', 'laterals', 'distribute', 'group', 'offset', 'prewhere', 'qualify', 'windows', 'distinct', 'match', 'having'}</span>
|
||||
<label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'into', 'having', 'sort', 'match', 'locks', 'group', 'sample', 'prewhere', 'laterals', 'limit', 'kind', 'settings', 'with', 'options', 'qualify', 'offset', 'windows', 'connect', 'format', 'pivots', 'cluster', 'distribute', 'distinct'}</span>
|
||||
|
||||
|
||||
</div>
|
||||
|
|
|
|||
|
|
@ -98,7 +98,7 @@
|
|||
</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a><span class="sd"> Returns:</span>
|
||||
</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a><span class="sd"> sqlglot.Expression: normalized expression</span>
|
||||
</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">e</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">))):</span>
|
||||
</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">e</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">))):</span>
|
||||
</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</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">Connector</span><span class="p">):</span>
|
||||
</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="k">if</span> <span class="n">normalized</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">dnf</span><span class="o">=</span><span class="n">dnf</span><span class="p">):</span>
|
||||
</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="k">continue</span>
|
||||
|
|
@ -296,7 +296,7 @@
|
|||
</span><span id="normalize-29"><a href="#normalize-29"><span class="linenos">29</span></a><span class="sd"> Returns:</span>
|
||||
</span><span id="normalize-30"><a href="#normalize-30"><span class="linenos">30</span></a><span class="sd"> sqlglot.Expression: normalized expression</span>
|
||||
</span><span id="normalize-31"><a href="#normalize-31"><span class="linenos">31</span></a><span class="sd"> """</span>
|
||||
</span><span id="normalize-32"><a href="#normalize-32"><span class="linenos">32</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">e</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">))):</span>
|
||||
</span><span id="normalize-32"><a href="#normalize-32"><span class="linenos">32</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">e</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">))):</span>
|
||||
</span><span id="normalize-33"><a href="#normalize-33"><span class="linenos">33</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">Connector</span><span class="p">):</span>
|
||||
</span><span id="normalize-34"><a href="#normalize-34"><span class="linenos">34</span></a> <span class="k">if</span> <span class="n">normalized</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">dnf</span><span class="o">=</span><span class="n">dnf</span><span class="p">):</span>
|
||||
</span><span id="normalize-35"><a href="#normalize-35"><span class="linenos">35</span></a> <span class="k">continue</span>
|
||||
|
|
|
|||
|
|
@ -111,13 +111,11 @@
|
|||
</span><span id="L-53"><a href="#L-53"><span class="linenos">53</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
||||
</span><span id="L-54"><a href="#L-54"><span class="linenos">54</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">parse_identifier</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</span></a> <span class="k">def</span> <span class="nf">_normalize</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span><span class="o">.</span><span class="n">meta</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"case_sensitive"</span><span class="p">)):</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos">57</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">meta</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"case_sensitive"</span><span class="p">):</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">_normalize</span><span class="p">)</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos">61</span></a>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a> <span class="k">return</span> <span class="n">_normalize</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a> <span class="n">dialect</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -169,13 +167,11 @@
|
|||
</span><span id="normalize_identifiers-54"><a href="#normalize_identifiers-54"><span class="linenos">54</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
|
||||
</span><span id="normalize_identifiers-55"><a href="#normalize_identifiers-55"><span class="linenos">55</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">parse_identifier</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span>
|
||||
</span><span id="normalize_identifiers-56"><a href="#normalize_identifiers-56"><span class="linenos">56</span></a>
|
||||
</span><span id="normalize_identifiers-57"><a href="#normalize_identifiers-57"><span class="linenos">57</span></a> <span class="k">def</span> <span class="nf">_normalize</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span>
|
||||
</span><span id="normalize_identifiers-57"><a href="#normalize_identifiers-57"><span class="linenos">57</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">n</span><span class="o">.</span><span class="n">meta</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"case_sensitive"</span><span class="p">)):</span>
|
||||
</span><span id="normalize_identifiers-58"><a href="#normalize_identifiers-58"><span class="linenos">58</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">meta</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"case_sensitive"</span><span class="p">):</span>
|
||||
</span><span id="normalize_identifiers-59"><a href="#normalize_identifiers-59"><span class="linenos">59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">_normalize</span><span class="p">)</span>
|
||||
</span><span id="normalize_identifiers-60"><a href="#normalize_identifiers-60"><span class="linenos">60</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="normalize_identifiers-61"><a href="#normalize_identifiers-61"><span class="linenos">61</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="normalize_identifiers-62"><a href="#normalize_identifiers-62"><span class="linenos">62</span></a>
|
||||
</span><span id="normalize_identifiers-63"><a href="#normalize_identifiers-63"><span class="linenos">63</span></a> <span class="k">return</span> <span class="n">_normalize</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="normalize_identifiers-59"><a href="#normalize_identifiers-59"><span class="linenos">59</span></a> <span class="n">dialect</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="normalize_identifiers-60"><a href="#normalize_identifiers-60"><span class="linenos">60</span></a>
|
||||
</span><span id="normalize_identifiers-61"><a href="#normalize_identifiers-61"><span class="linenos">61</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -143,16 +143,16 @@
|
|||
</span><span id="L-82"><a href="#L-82"><span class="linenos">82</span></a> <span class="o">**</span><span class="n">kwargs</span><span class="p">,</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos">83</span></a> <span class="p">}</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos">84</span></a>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos">85</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos">85</span></a> <span class="n">optimized</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos">86</span></a> <span class="k">for</span> <span class="n">rule</span> <span class="ow">in</span> <span class="n">rules</span><span class="p">:</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos">87</span></a> <span class="c1"># Find any additional rule parameters, beyond `expression`</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos">88</span></a> <span class="n">rule_params</span> <span class="o">=</span> <span class="n">rule</span><span class="o">.</span><span class="vm">__code__</span><span class="o">.</span><span class="n">co_varnames</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos">89</span></a> <span class="n">rule_kwargs</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos">90</span></a> <span class="n">param</span><span class="p">:</span> <span class="n">possible_kwargs</span><span class="p">[</span><span class="n">param</span><span class="p">]</span> <span class="k">for</span> <span class="n">param</span> <span class="ow">in</span> <span class="n">rule_params</span> <span class="k">if</span> <span class="n">param</span> <span class="ow">in</span> <span class="n">possible_kwargs</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos">91</span></a> <span class="p">}</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos">92</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">rule</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">rule_kwargs</span><span class="p">)</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos">92</span></a> <span class="n">optimized</span> <span class="o">=</span> <span class="n">rule</span><span class="p">(</span><span class="n">optimized</span><span class="p">,</span> <span class="o">**</span><span class="n">rule_kwargs</span><span class="p">)</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos">93</span></a>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos">94</span></a> <span class="k">return</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos">94</span></a> <span class="k">return</span> <span class="n">optimized</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -224,16 +224,16 @@
|
|||
</span><span id="optimize-83"><a href="#optimize-83"><span class="linenos">83</span></a> <span class="o">**</span><span class="n">kwargs</span><span class="p">,</span>
|
||||
</span><span id="optimize-84"><a href="#optimize-84"><span class="linenos">84</span></a> <span class="p">}</span>
|
||||
</span><span id="optimize-85"><a href="#optimize-85"><span class="linenos">85</span></a>
|
||||
</span><span id="optimize-86"><a href="#optimize-86"><span class="linenos">86</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="optimize-86"><a href="#optimize-86"><span class="linenos">86</span></a> <span class="n">optimized</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="optimize-87"><a href="#optimize-87"><span class="linenos">87</span></a> <span class="k">for</span> <span class="n">rule</span> <span class="ow">in</span> <span class="n">rules</span><span class="p">:</span>
|
||||
</span><span id="optimize-88"><a href="#optimize-88"><span class="linenos">88</span></a> <span class="c1"># Find any additional rule parameters, beyond `expression`</span>
|
||||
</span><span id="optimize-89"><a href="#optimize-89"><span class="linenos">89</span></a> <span class="n">rule_params</span> <span class="o">=</span> <span class="n">rule</span><span class="o">.</span><span class="vm">__code__</span><span class="o">.</span><span class="n">co_varnames</span>
|
||||
</span><span id="optimize-90"><a href="#optimize-90"><span class="linenos">90</span></a> <span class="n">rule_kwargs</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="optimize-91"><a href="#optimize-91"><span class="linenos">91</span></a> <span class="n">param</span><span class="p">:</span> <span class="n">possible_kwargs</span><span class="p">[</span><span class="n">param</span><span class="p">]</span> <span class="k">for</span> <span class="n">param</span> <span class="ow">in</span> <span class="n">rule_params</span> <span class="k">if</span> <span class="n">param</span> <span class="ow">in</span> <span class="n">possible_kwargs</span>
|
||||
</span><span id="optimize-92"><a href="#optimize-92"><span class="linenos">92</span></a> <span class="p">}</span>
|
||||
</span><span id="optimize-93"><a href="#optimize-93"><span class="linenos">93</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">rule</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">rule_kwargs</span><span class="p">)</span>
|
||||
</span><span id="optimize-93"><a href="#optimize-93"><span class="linenos">93</span></a> <span class="n">optimized</span> <span class="o">=</span> <span class="n">rule</span><span class="p">(</span><span class="n">optimized</span><span class="p">,</span> <span class="o">**</span><span class="n">rule_kwargs</span><span class="p">)</span>
|
||||
</span><span id="optimize-94"><a href="#optimize-94"><span class="linenos">94</span></a>
|
||||
</span><span id="optimize-95"><a href="#optimize-95"><span class="linenos">95</span></a> <span class="k">return</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="optimize-95"><a href="#optimize-95"><span class="linenos">95</span></a> <span class="k">return</span> <span class="n">optimized</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -150,13 +150,13 @@
|
|||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="sd"> If the predicates are in CNF like form, we can simply replace each block in the parent.</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a><span class="sd"> """</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">join_index</span> <span class="o">=</span> <span class="n">join_index</span> <span class="ow">or</span> <span class="p">{}</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">predicate_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
|
||||
|
|
@ -176,7 +176,7 @@
|
|||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">node</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">inner_predicate</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a><span class="sd"> If the predicates are in DNF form, we can only push down conditions that are in all blocks.</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a><span class="sd"> Additionally, we can't remove predicates from their original form.</span>
|
||||
|
|
@ -200,7 +200,7 @@
|
|||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="c1"># pushdown all predicates to their respective nodes</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">pushdown_tables</span><span class="p">):</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">nodes</span><span class="p">:</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">continue</span>
|
||||
|
|
@ -419,19 +419,19 @@
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">pushdown_cnf</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">predicates</span>, </span><span class="param"><span class="n">scope</span>, </span><span class="param"><span class="n">scope_ref_count</span>, </span><span class="param"><span class="n">join_index</span><span class="o">=</span><span class="kc">None</span></span><span class="return-annotation">):</span></span>
|
||||
<span class="name">pushdown_cnf</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">predicates</span>, </span><span class="param"><span class="n">sources</span>, </span><span class="param"><span class="n">scope_ref_count</span>, </span><span class="param"><span class="n">join_index</span><span class="o">=</span><span class="kc">None</span></span><span class="return-annotation">):</span></span>
|
||||
|
||||
<label class="view-source-button" for="pushdown_cnf-view-source"><span>View Source</span></label>
|
||||
|
||||
</div>
|
||||
<a class="headerlink" href="#pushdown_cnf"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_cnf-81"><a href="#pushdown_cnf-81"><span class="linenos"> 81</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_cnf-81"><a href="#pushdown_cnf-81"><span class="linenos"> 81</span></a><span class="k">def</span> <span class="nf">pushdown_cnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">,</span> <span class="n">join_index</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-82"><a href="#pushdown_cnf-82"><span class="linenos"> 82</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="pushdown_cnf-83"><a href="#pushdown_cnf-83"><span class="linenos"> 83</span></a><span class="sd"> If the predicates are in CNF like form, we can simply replace each block in the parent.</span>
|
||||
</span><span id="pushdown_cnf-84"><a href="#pushdown_cnf-84"><span class="linenos"> 84</span></a><span class="sd"> """</span>
|
||||
</span><span id="pushdown_cnf-85"><a href="#pushdown_cnf-85"><span class="linenos"> 85</span></a> <span class="n">join_index</span> <span class="o">=</span> <span class="n">join_index</span> <span class="ow">or</span> <span class="p">{}</span>
|
||||
</span><span id="pushdown_cnf-86"><a href="#pushdown_cnf-86"><span class="linenos"> 86</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_cnf-87"><a href="#pushdown_cnf-87"><span class="linenos"> 87</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="pushdown_cnf-87"><a href="#pushdown_cnf-87"><span class="linenos"> 87</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||||
</span><span id="pushdown_cnf-88"><a href="#pushdown_cnf-88"><span class="linenos"> 88</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span>
|
||||
</span><span id="pushdown_cnf-89"><a href="#pushdown_cnf-89"><span class="linenos"> 89</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_cnf-90"><a href="#pushdown_cnf-90"><span class="linenos"> 90</span></a> <span class="n">predicate_tables</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column_table_names</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
|
||||
|
|
@ -462,13 +462,13 @@
|
|||
<div class="attr function">
|
||||
|
||||
<span class="def">def</span>
|
||||
<span class="name">pushdown_dnf</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">predicates</span>, </span><span class="param"><span class="n">scope</span>, </span><span class="param"><span class="n">scope_ref_count</span></span><span class="return-annotation">):</span></span>
|
||||
<span class="name">pushdown_dnf</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">predicates</span>, </span><span class="param"><span class="n">sources</span>, </span><span class="param"><span class="n">scope_ref_count</span></span><span class="return-annotation">):</span></span>
|
||||
|
||||
<label class="view-source-button" for="pushdown_dnf-view-source"><span>View Source</span></label>
|
||||
|
||||
</div>
|
||||
<a class="headerlink" href="#pushdown_dnf"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_dnf-107"><a href="#pushdown_dnf-107"><span class="linenos">107</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="pushdown_dnf-107"><a href="#pushdown_dnf-107"><span class="linenos">107</span></a><span class="k">def</span> <span class="nf">pushdown_dnf</span><span class="p">(</span><span class="n">predicates</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-108"><a href="#pushdown_dnf-108"><span class="linenos">108</span></a><span class="w"> </span><span class="sd">"""</span>
|
||||
</span><span id="pushdown_dnf-109"><a href="#pushdown_dnf-109"><span class="linenos">109</span></a><span class="sd"> If the predicates are in DNF form, we can only push down conditions that are in all blocks.</span>
|
||||
</span><span id="pushdown_dnf-110"><a href="#pushdown_dnf-110"><span class="linenos">110</span></a><span class="sd"> Additionally, we can't remove predicates from their original form.</span>
|
||||
|
|
@ -492,7 +492,7 @@
|
|||
</span><span id="pushdown_dnf-128"><a href="#pushdown_dnf-128"><span class="linenos">128</span></a> <span class="c1"># pushdown all predicates to their respective nodes</span>
|
||||
</span><span id="pushdown_dnf-129"><a href="#pushdown_dnf-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">pushdown_tables</span><span class="p">):</span>
|
||||
</span><span id="pushdown_dnf-130"><a href="#pushdown_dnf-130"><span class="linenos">130</span></a> <span class="k">for</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">predicates</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-131"><a href="#pushdown_dnf-131"><span class="linenos">131</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-131"><a href="#pushdown_dnf-131"><span class="linenos">131</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">nodes_for_predicate</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">sources</span><span class="p">,</span> <span class="n">scope_ref_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_dnf-132"><a href="#pushdown_dnf-132"><span class="linenos">132</span></a>
|
||||
</span><span id="pushdown_dnf-133"><a href="#pushdown_dnf-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">nodes</span><span class="p">:</span>
|
||||
</span><span id="pushdown_dnf-134"><a href="#pushdown_dnf-134"><span class="linenos">134</span></a> <span class="k">continue</span>
|
||||
|
|
|
|||
|
|
@ -118,87 +118,91 @@
|
|||
</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="p">]</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"by_name"</span><span class="p">):</span>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">left</span><span class="p">]</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="p">]</span>
|
||||
</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="k">else</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a>
|
||||
</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a>
|
||||
</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="k">else</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a><span class="k">def</span> <span class="nf">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">):</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="c1"># Assume columns without a qualified table are references to output columns</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="p">{</span><span class="n">c</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="n">order</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">c</span><span class="o">.</span><span class="n">table</span><span class="p">}</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">select_all</span> <span class="o">=</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">for</span> <span class="n">selection</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">selection</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="n">select_all</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">order_refs</span> <span class="ow">or</span> <span class="n">alias_count</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">selection</span><span class="p">)</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">alias_count</span> <span class="o">-=</span> <span class="mi">1</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="n">selection</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">is_agg</span> <span class="ow">and</span> <span class="n">selection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="n">star</span><span class="p">:</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">resolver</span> <span class="o">=</span> <span class="n">Resolver</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">new_selections</span><span class="p">}</span>
|
||||
</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a>
|
||||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a><span class="k">def</span> <span class="nf">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">):</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="c1"># Assume columns without a qualified table are references to output columns</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="p">{</span><span class="n">c</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="n">order</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">c</span><span class="o">.</span><span class="n">table</span><span class="p">}</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">order_refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">select_all</span> <span class="o">=</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">for</span> <span class="n">selection</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">selection</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="n">select_all</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">order_refs</span> <span class="ow">or</span> <span class="n">alias_count</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">selection</span><span class="p">)</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">alias_count</span> <span class="o">-=</span> <span class="mi">1</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="n">selection</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">star</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">removed</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">is_agg</span> <span class="ow">and</span> <span class="n">selection</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">is_agg</span> <span class="o">=</span> <span class="kc">True</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">parent_selections</span><span class="p">):</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">names</span><span class="p">:</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">name</span><span class="p">)),</span> <span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="p">)</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="c1"># If there are no remaining selections, just select a single constant</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">new_selections</span><span class="p">:</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">default_selection</span><span class="p">(</span><span class="n">is_agg</span><span class="p">))</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">star</span><span class="p">:</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">resolver</span> <span class="o">=</span> <span class="n">Resolver</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">new_selections</span><span class="p">}</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">parent_selections</span><span class="p">):</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">names</span><span class="p">:</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">name</span><span class="p">)),</span> <span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="p">)</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">new_selections</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">removed</span><span class="p">:</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="c1"># If there are no remaining selections, just select a single constant</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">new_selections</span><span class="p">:</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">default_selection</span><span class="p">(</span><span class="n">is_agg</span><span class="p">))</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">new_selections</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">if</span> <span class="n">removed</span><span class="p">:</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -285,37 +289,41 @@
|
|||
</span><span id="pushdown_projections-55"><a href="#pushdown_projections-55"><span class="linenos">55</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-56"><a href="#pushdown_projections-56"><span class="linenos">56</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-57"><a href="#pushdown_projections-57"><span class="linenos">57</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">is_star</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-58"><a href="#pushdown_projections-58"><span class="linenos">58</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="pushdown_projections-59"><a href="#pushdown_projections-59"><span class="linenos">59</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_projections-60"><a href="#pushdown_projections-60"><span class="linenos">60</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-61"><a href="#pushdown_projections-61"><span class="linenos">61</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-62"><a href="#pushdown_projections-62"><span class="linenos">62</span></a> <span class="p">]</span>
|
||||
</span><span id="pushdown_projections-63"><a href="#pushdown_projections-63"><span class="linenos">63</span></a>
|
||||
</span><span id="pushdown_projections-64"><a href="#pushdown_projections-64"><span class="linenos">64</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-65"><a href="#pushdown_projections-65"><span class="linenos">65</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-66"><a href="#pushdown_projections-66"><span class="linenos">66</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-58"><a href="#pushdown_projections-58"><span class="linenos">58</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"by_name"</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-59"><a href="#pushdown_projections-59"><span class="linenos">59</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">left</span><span class="p">]</span>
|
||||
</span><span id="pushdown_projections-60"><a href="#pushdown_projections-60"><span class="linenos">60</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-61"><a href="#pushdown_projections-61"><span class="linenos">61</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">right</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="pushdown_projections-62"><a href="#pushdown_projections-62"><span class="linenos">62</span></a> <span class="n">right</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">alias_or_name</span>
|
||||
</span><span id="pushdown_projections-63"><a href="#pushdown_projections-63"><span class="linenos">63</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-64"><a href="#pushdown_projections-64"><span class="linenos">64</span></a> <span class="k">if</span> <span class="n">SELECT_ALL</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-65"><a href="#pushdown_projections-65"><span class="linenos">65</span></a> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">in</span> <span class="n">parent_selections</span>
|
||||
</span><span id="pushdown_projections-66"><a href="#pushdown_projections-66"><span class="linenos">66</span></a> <span class="p">]</span>
|
||||
</span><span id="pushdown_projections-67"><a href="#pushdown_projections-67"><span class="linenos">67</span></a>
|
||||
</span><span id="pushdown_projections-68"><a href="#pushdown_projections-68"><span class="linenos">68</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-69"><a href="#pushdown_projections-69"><span class="linenos">69</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_projections-70"><a href="#pushdown_projections-70"><span class="linenos">70</span></a>
|
||||
</span><span id="pushdown_projections-71"><a href="#pushdown_projections-71"><span class="linenos">71</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="pushdown_projections-72"><a href="#pushdown_projections-72"><span class="linenos">72</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-73"><a href="#pushdown_projections-73"><span class="linenos">73</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-74"><a href="#pushdown_projections-74"><span class="linenos">74</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="pushdown_projections-75"><a href="#pushdown_projections-75"><span class="linenos">75</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="pushdown_projections-76"><a href="#pushdown_projections-76"><span class="linenos">76</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-77"><a href="#pushdown_projections-77"><span class="linenos">77</span></a>
|
||||
</span><span id="pushdown_projections-78"><a href="#pushdown_projections-78"><span class="linenos">78</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="pushdown_projections-79"><a href="#pushdown_projections-79"><span class="linenos">79</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_projections-80"><a href="#pushdown_projections-80"><span class="linenos">80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-81"><a href="#pushdown_projections-81"><span class="linenos">81</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="k">else</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="pushdown_projections-82"><a href="#pushdown_projections-82"><span class="linenos">82</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-83"><a href="#pushdown_projections-83"><span class="linenos">83</span></a>
|
||||
</span><span id="pushdown_projections-84"><a href="#pushdown_projections-84"><span class="linenos">84</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="pushdown_projections-85"><a href="#pushdown_projections-85"><span class="linenos">85</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-86"><a href="#pushdown_projections-86"><span class="linenos">86</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-68"><a href="#pushdown_projections-68"><span class="linenos">68</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-69"><a href="#pushdown_projections-69"><span class="linenos">69</span></a> <span class="k">if</span> <span class="n">remove_unused_selections</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-70"><a href="#pushdown_projections-70"><span class="linenos">70</span></a> <span class="n">_remove_unused_selections</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">parent_selections</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">alias_count</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-71"><a href="#pushdown_projections-71"><span class="linenos">71</span></a>
|
||||
</span><span id="pushdown_projections-72"><a href="#pushdown_projections-72"><span class="linenos">72</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-73"><a href="#pushdown_projections-73"><span class="linenos">73</span></a> <span class="k">continue</span>
|
||||
</span><span id="pushdown_projections-74"><a href="#pushdown_projections-74"><span class="linenos">74</span></a>
|
||||
</span><span id="pushdown_projections-75"><a href="#pushdown_projections-75"><span class="linenos">75</span></a> <span class="c1"># Group columns by source name</span>
|
||||
</span><span id="pushdown_projections-76"><a href="#pushdown_projections-76"><span class="linenos">76</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">set</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-77"><a href="#pushdown_projections-77"><span class="linenos">77</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-78"><a href="#pushdown_projections-78"><span class="linenos">78</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span>
|
||||
</span><span id="pushdown_projections-79"><a href="#pushdown_projections-79"><span class="linenos">79</span></a> <span class="n">col_name</span> <span class="o">=</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span>
|
||||
</span><span id="pushdown_projections-80"><a href="#pushdown_projections-80"><span class="linenos">80</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">table_name</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">col_name</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-81"><a href="#pushdown_projections-81"><span class="linenos">81</span></a>
|
||||
</span><span id="pushdown_projections-82"><a href="#pushdown_projections-82"><span class="linenos">82</span></a> <span class="c1"># Push the selected columns down to the next scope</span>
|
||||
</span><span id="pushdown_projections-83"><a href="#pushdown_projections-83"><span class="linenos">83</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">source</span><span class="p">)</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="pushdown_projections-84"><a href="#pushdown_projections-84"><span class="linenos">84</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span>
|
||||
</span><span id="pushdown_projections-85"><a href="#pushdown_projections-85"><span class="linenos">85</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">SELECT_ALL</span><span class="p">}</span> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="k">else</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">set</span><span class="p">()</span>
|
||||
</span><span id="pushdown_projections-86"><a href="#pushdown_projections-86"><span class="linenos">86</span></a> <span class="n">referenced_columns</span><span class="p">[</span><span class="n">source</span><span class="p">]</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-87"><a href="#pushdown_projections-87"><span class="linenos">87</span></a>
|
||||
</span><span id="pushdown_projections-88"><a href="#pushdown_projections-88"><span class="linenos">88</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="pushdown_projections-88"><a href="#pushdown_projections-88"><span class="linenos">88</span></a> <span class="n">column_aliases</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">alias_column_names</span>
|
||||
</span><span id="pushdown_projections-89"><a href="#pushdown_projections-89"><span class="linenos">89</span></a> <span class="k">if</span> <span class="n">column_aliases</span><span class="p">:</span>
|
||||
</span><span id="pushdown_projections-90"><a href="#pushdown_projections-90"><span class="linenos">90</span></a> <span class="n">source_column_alias_count</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">column_aliases</span><span class="p">)</span>
|
||||
</span><span id="pushdown_projections-91"><a href="#pushdown_projections-91"><span class="linenos">91</span></a>
|
||||
</span><span id="pushdown_projections-92"><a href="#pushdown_projections-92"><span class="linenos">92</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
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|
|
@ -114,7 +114,7 @@
|
|||
</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">,</span> <span class="n">catalog</span><span class="p">)</span>
|
||||
</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a>
|
||||
</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">):</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)):</span>
|
||||
</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)):</span>
|
||||
</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
|
||||
|
|
@ -176,11 +176,11 @@
|
|||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">udtf</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">))</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="p">):</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
|
|
@ -244,7 +244,7 @@
|
|||
</span><span id="qualify_tables-57"><a href="#qualify_tables-57"><span class="linenos"> 57</span></a> <span class="n">table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"catalog"</span><span class="p">,</span> <span class="n">catalog</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-58"><a href="#qualify_tables-58"><span class="linenos"> 58</span></a>
|
||||
</span><span id="qualify_tables-59"><a href="#qualify_tables-59"><span class="linenos"> 59</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-60"><a href="#qualify_tables-60"><span class="linenos"> 60</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)):</span>
|
||||
</span><span id="qualify_tables-60"><a href="#qualify_tables-60"><span class="linenos"> 60</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">walk</span><span class="p">(</span><span class="n">prune</span><span class="o">=</span><span class="k">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)):</span>
|
||||
</span><span id="qualify_tables-61"><a href="#qualify_tables-61"><span class="linenos"> 61</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-62"><a href="#qualify_tables-62"><span class="linenos"> 62</span></a> <span class="n">_qualify</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-63"><a href="#qualify_tables-63"><span class="linenos"> 63</span></a>
|
||||
|
|
@ -306,11 +306,11 @@
|
|||
</span><span id="qualify_tables-119"><a href="#qualify_tables-119"><span class="linenos">119</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">udtf</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="qualify_tables-120"><a href="#qualify_tables-120"><span class="linenos">120</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-121"><a href="#qualify_tables-121"><span class="linenos">121</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="qualify_tables-122"><a href="#qualify_tables-122"><span class="linenos">122</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">parent</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
|
||||
</span><span id="qualify_tables-122"><a href="#qualify_tables-122"><span class="linenos">122</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span>
|
||||
</span><span id="qualify_tables-123"><a href="#qualify_tables-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="p">(</span>
|
||||
</span><span id="qualify_tables-124"><a href="#qualify_tables-124"><span class="linenos">124</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span>
|
||||
</span><span id="qualify_tables-125"><a href="#qualify_tables-125"><span class="linenos">125</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="qualify_tables-126"><a href="#qualify_tables-126"><span class="linenos">126</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-126"><a href="#qualify_tables-126"><span class="linenos">126</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span>
|
||||
</span><span id="qualify_tables-127"><a href="#qualify_tables-127"><span class="linenos">127</span></a> <span class="p">):</span>
|
||||
</span><span id="qualify_tables-128"><a href="#qualify_tables-128"><span class="linenos">128</span></a> <span class="c1"># Mutates the table by attaching an alias to it</span>
|
||||
</span><span id="qualify_tables-129"><a href="#qualify_tables-129"><span class="linenos">129</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
||||
|
|
|
|||
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|
|
@ -158,191 +158,203 @@
|
|||
</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">join_key_not_null</span><span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">on</span><span class="o">=</span><span class="n">column</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">join_key</span><span class="p">),</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">if</span> <span class="n">group</span><span class="p">:</span>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="p">{</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">}</span> <span class="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="p">)</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">return</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">return</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">select</span><span class="p">,</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">on</span><span class="o">=</span><span class="n">column</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">join_key</span><span class="p">),</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="p">)</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">return</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="p">)</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">return</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">return</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">return</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">return</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="p">)</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="p">)</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">return</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="p">)</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">return</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">return</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="p">)</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a>
|
||||
</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="p">)</span>
|
||||
</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a>
|
||||
</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="p">)</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="p">)</span>
|
||||
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a>
|
||||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="p">)</span>
|
||||
</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a>
|
||||
</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a>
|
||||
</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="p">)</span>
|
||||
</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="p">)</span>
|
||||
</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a>
|
||||
</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a>
|
||||
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="p">)</span>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="sa">f</span><span class="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-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="p">)</span>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="p">)</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a><span class="k">def</span> <span class="nf">_replace</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">condition</span><span class="p">):</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="n">condition</span><span class="p">))</span>
|
||||
</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a>
|
||||
</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="p">)</span>
|
||||
</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a>
|
||||
</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a>
|
||||
</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a>
|
||||
</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">continue</span>
|
||||
</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a>
|
||||
</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="p">)</span>
|
||||
</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="p">)</span>
|
||||
</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a><span class="k">def</span> <span class="nf">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">)):</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">return</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">)</span>
|
||||
</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="p">)</span>
|
||||
</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">))</span>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="p">)</span>
|
||||
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a>
|
||||
</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a><span class="k">def</span> <span class="nf">_replace</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">condition</span><span class="p">):</span>
|
||||
</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">condition</span><span class="p">(</span><span class="n">condition</span><span class="p">))</span>
|
||||
</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a>
|
||||
</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a>
|
||||
</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="k">def</span> <span class="nf">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span>
|
||||
</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span>
|
||||
</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a>
|
||||
</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">)):</span>
|
||||
</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">return</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">)</span>
|
||||
</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a>
|
||||
</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="p">(</span>
|
||||
</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">))</span>
|
||||
</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="p">)</span>
|
||||
</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a>
|
||||
</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -493,13 +505,25 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
</span><span id="unnest-95"><a href="#unnest-95"><span class="linenos"> 95</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="unnest-96"><a href="#unnest-96"><span class="linenos"> 96</span></a> <span class="n">_replace</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">join_key_not_null</span><span class="p">)</span>
|
||||
</span><span id="unnest-97"><a href="#unnest-97"><span class="linenos"> 97</span></a>
|
||||
</span><span id="unnest-98"><a href="#unnest-98"><span class="linenos"> 98</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="unnest-99"><a href="#unnest-99"><span class="linenos"> 99</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="unnest-100"><a href="#unnest-100"><span class="linenos">100</span></a> <span class="n">on</span><span class="o">=</span><span class="n">column</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">join_key</span><span class="p">),</span>
|
||||
</span><span id="unnest-101"><a href="#unnest-101"><span class="linenos">101</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="unnest-102"><a href="#unnest-102"><span class="linenos">102</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="unnest-103"><a href="#unnest-103"><span class="linenos">103</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="unnest-104"><a href="#unnest-104"><span class="linenos">104</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-98"><a href="#unnest-98"><span class="linenos"> 98</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span>
|
||||
</span><span id="unnest-99"><a href="#unnest-99"><span class="linenos"> 99</span></a>
|
||||
</span><span id="unnest-100"><a href="#unnest-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">group</span><span class="p">:</span>
|
||||
</span><span id="unnest-101"><a href="#unnest-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="p">{</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">}</span> <span class="o">!=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span>
|
||||
</span><span id="unnest-102"><a href="#unnest-102"><span class="linenos">102</span></a> <span class="n">select</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="unnest-103"><a href="#unnest-103"><span class="linenos">103</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">))</span>
|
||||
</span><span id="unnest-104"><a href="#unnest-104"><span class="linenos">104</span></a> <span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="s2">"_q"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-105"><a href="#unnest-105"><span class="linenos">105</span></a> <span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="s2">"_q"</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-106"><a href="#unnest-106"><span class="linenos">106</span></a> <span class="p">)</span>
|
||||
</span><span id="unnest-107"><a href="#unnest-107"><span class="linenos">107</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="unnest-108"><a href="#unnest-108"><span class="linenos">108</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="unnest-109"><a href="#unnest-109"><span class="linenos">109</span></a>
|
||||
</span><span id="unnest-110"><a href="#unnest-110"><span class="linenos">110</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="unnest-111"><a href="#unnest-111"><span class="linenos">111</span></a> <span class="n">select</span><span class="p">,</span>
|
||||
</span><span id="unnest-112"><a href="#unnest-112"><span class="linenos">112</span></a> <span class="n">on</span><span class="o">=</span><span class="n">column</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">join_key</span><span class="p">),</span>
|
||||
</span><span id="unnest-113"><a href="#unnest-113"><span class="linenos">113</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="unnest-114"><a href="#unnest-114"><span class="linenos">114</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="unnest-115"><a href="#unnest-115"><span class="linenos">115</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="unnest-116"><a href="#unnest-116"><span class="linenos">116</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -517,161 +541,161 @@ Convert correlated or vectorized subqueries into a group by so it is not a many
|
|||
|
||||
</div>
|
||||
<a class="headerlink" href="#decorrelate"></a>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="decorrelate-107"><a href="#decorrelate-107"><span class="linenos">107</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-108"><a href="#decorrelate-108"><span class="linenos">108</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-109"><a href="#decorrelate-109"><span class="linenos">109</span></a>
|
||||
</span><span id="decorrelate-110"><a href="#decorrelate-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-111"><a href="#decorrelate-111"><span class="linenos">111</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-112"><a href="#decorrelate-112"><span class="linenos">112</span></a>
|
||||
</span><span id="decorrelate-113"><a href="#decorrelate-113"><span class="linenos">113</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-114"><a href="#decorrelate-114"><span class="linenos">114</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-115"><a href="#decorrelate-115"><span class="linenos">115</span></a>
|
||||
</span><span id="decorrelate-116"><a href="#decorrelate-116"><span class="linenos">116</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="decorrelate-117"><a href="#decorrelate-117"><span class="linenos">117</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="decorrelate-118"><a href="#decorrelate-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-119"><a href="#decorrelate-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-120"><a href="#decorrelate-120"><span class="linenos">120</span></a> <span class="k">return</span>
|
||||
<div class="pdoc-code codehilite"><pre><span></span><span id="decorrelate-119"><a href="#decorrelate-119"><span class="linenos">119</span></a><span class="k">def</span> <span class="nf">decorrelate</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">parent_select</span><span class="p">,</span> <span class="n">external_columns</span><span class="p">,</span> <span class="n">next_alias_name</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-120"><a href="#decorrelate-120"><span class="linenos">120</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-121"><a href="#decorrelate-121"><span class="linenos">121</span></a>
|
||||
</span><span id="decorrelate-122"><a href="#decorrelate-122"><span class="linenos">122</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-123"><a href="#decorrelate-123"><span class="linenos">123</span></a>
|
||||
</span><span id="decorrelate-124"><a href="#decorrelate-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-125"><a href="#decorrelate-125"><span class="linenos">125</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-126"><a href="#decorrelate-126"><span class="linenos">126</span></a>
|
||||
</span><span id="decorrelate-127"><a href="#decorrelate-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-128"><a href="#decorrelate-128"><span class="linenos">128</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="decorrelate-130"><a href="#decorrelate-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-131"><a href="#decorrelate-131"><span class="linenos">131</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-133"><a href="#decorrelate-133"><span class="linenos">133</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-134"><a href="#decorrelate-134"><span class="linenos">134</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-122"><a href="#decorrelate-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">where</span> <span class="ow">or</span> <span class="n">where</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">)</span> <span class="ow">or</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Limit</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Offset</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-123"><a href="#decorrelate-123"><span class="linenos">123</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-124"><a href="#decorrelate-124"><span class="linenos">124</span></a>
|
||||
</span><span id="decorrelate-125"><a href="#decorrelate-125"><span class="linenos">125</span></a> <span class="n">table_alias</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-126"><a href="#decorrelate-126"><span class="linenos">126</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-127"><a href="#decorrelate-127"><span class="linenos">127</span></a>
|
||||
</span><span id="decorrelate-128"><a href="#decorrelate-128"><span class="linenos">128</span></a> <span class="c1"># for all external columns in the where statement, find the relevant predicate</span>
|
||||
</span><span id="decorrelate-129"><a href="#decorrelate-129"><span class="linenos">129</span></a> <span class="c1"># keys to convert it into a join</span>
|
||||
</span><span id="decorrelate-130"><a href="#decorrelate-130"><span class="linenos">130</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">external_columns</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-131"><a href="#decorrelate-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-132"><a href="#decorrelate-132"><span class="linenos">132</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-133"><a href="#decorrelate-133"><span class="linenos">133</span></a>
|
||||
</span><span id="decorrelate-134"><a href="#decorrelate-134"><span class="linenos">134</span></a> <span class="n">predicate</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-135"><a href="#decorrelate-135"><span class="linenos">135</span></a>
|
||||
</span><span id="decorrelate-136"><a href="#decorrelate-136"><span class="linenos">136</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-137"><a href="#decorrelate-137"><span class="linenos">137</span></a>
|
||||
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-139"><a href="#decorrelate-139"><span class="linenos">139</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-140"><a href="#decorrelate-140"><span class="linenos">140</span></a>
|
||||
</span><span id="decorrelate-141"><a href="#decorrelate-141"><span class="linenos">141</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-143"><a href="#decorrelate-143"><span class="linenos">143</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-144"><a href="#decorrelate-144"><span class="linenos">144</span></a>
|
||||
</span><span id="decorrelate-145"><a href="#decorrelate-145"><span class="linenos">145</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="decorrelate-146"><a href="#decorrelate-146"><span class="linenos">146</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-147"><a href="#decorrelate-147"><span class="linenos">147</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-148"><a href="#decorrelate-148"><span class="linenos">148</span></a>
|
||||
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-150"><a href="#decorrelate-150"><span class="linenos">150</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-151"><a href="#decorrelate-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-152"><a href="#decorrelate-152"><span class="linenos">152</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="decorrelate-153"><a href="#decorrelate-153"><span class="linenos">153</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-154"><a href="#decorrelate-154"><span class="linenos">154</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</span></a>
|
||||
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a>
|
||||
</span><span id="decorrelate-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="decorrelate-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-171"><a href="#decorrelate-171"><span class="linenos">171</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-136"><a href="#decorrelate-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">predicate</span> <span class="ow">or</span> <span class="n">predicate</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">where</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-137"><a href="#decorrelate-137"><span class="linenos">137</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-138"><a href="#decorrelate-138"><span class="linenos">138</span></a>
|
||||
</span><span id="decorrelate-139"><a href="#decorrelate-139"><span class="linenos">139</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-140"><a href="#decorrelate-140"><span class="linenos">140</span></a> <span class="n">key</span> <span class="o">=</span> <span class="p">(</span>
|
||||
</span><span id="decorrelate-141"><a href="#decorrelate-141"><span class="linenos">141</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">right</span>
|
||||
</span><span id="decorrelate-142"><a href="#decorrelate-142"><span class="linenos">142</span></a> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">node</span> <span class="ow">is</span> <span class="n">column</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">walk</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-143"><a href="#decorrelate-143"><span class="linenos">143</span></a> <span class="k">else</span> <span class="n">predicate</span><span class="o">.</span><span class="n">left</span>
|
||||
</span><span id="decorrelate-144"><a href="#decorrelate-144"><span class="linenos">144</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-145"><a href="#decorrelate-145"><span class="linenos">145</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-146"><a href="#decorrelate-146"><span class="linenos">146</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-147"><a href="#decorrelate-147"><span class="linenos">147</span></a>
|
||||
</span><span id="decorrelate-148"><a href="#decorrelate-148"><span class="linenos">148</span></a> <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-149"><a href="#decorrelate-149"><span class="linenos">149</span></a>
|
||||
</span><span id="decorrelate-150"><a href="#decorrelate-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">any</span><span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-151"><a href="#decorrelate-151"><span class="linenos">151</span></a> <span class="k">return</span>
|
||||
</span><span id="decorrelate-152"><a href="#decorrelate-152"><span class="linenos">152</span></a>
|
||||
</span><span id="decorrelate-153"><a href="#decorrelate-153"><span class="linenos">153</span></a> <span class="n">is_subquery_projection</span> <span class="o">=</span> <span class="nb">any</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-154"><a href="#decorrelate-154"><span class="linenos">154</span></a> <span class="n">node</span> <span class="ow">is</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">parent_select</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-155"><a href="#decorrelate-155"><span class="linenos">155</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-156"><a href="#decorrelate-156"><span class="linenos">156</span></a>
|
||||
</span><span id="decorrelate-157"><a href="#decorrelate-157"><span class="linenos">157</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
|
||||
</span><span id="decorrelate-158"><a href="#decorrelate-158"><span class="linenos">158</span></a> <span class="n">key_aliases</span> <span class="o">=</span> <span class="p">{}</span>
|
||||
</span><span id="decorrelate-159"><a href="#decorrelate-159"><span class="linenos">159</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-160"><a href="#decorrelate-160"><span class="linenos">160</span></a>
|
||||
</span><span id="decorrelate-161"><a href="#decorrelate-161"><span class="linenos">161</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-162"><a href="#decorrelate-162"><span class="linenos">162</span></a> <span class="c1"># if we filter on the value of the subquery, it needs to be unique</span>
|
||||
</span><span id="decorrelate-163"><a href="#decorrelate-163"><span class="linenos">163</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-164"><a href="#decorrelate-164"><span class="linenos">164</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span>
|
||||
</span><span id="decorrelate-165"><a href="#decorrelate-165"><span class="linenos">165</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-166"><a href="#decorrelate-166"><span class="linenos">166</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-167"><a href="#decorrelate-167"><span class="linenos">167</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-168"><a href="#decorrelate-168"><span class="linenos">168</span></a> <span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">next_alias_name</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-169"><a href="#decorrelate-169"><span class="linenos">169</span></a> <span class="c1"># all predicates that are equalities must also be in the unique</span>
|
||||
</span><span id="decorrelate-170"><a href="#decorrelate-170"><span class="linenos">170</span></a> <span class="c1"># so that we don't do a many to many join</span>
|
||||
</span><span id="decorrelate-171"><a href="#decorrelate-171"><span class="linenos">171</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="ow">and</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-172"><a href="#decorrelate-172"><span class="linenos">172</span></a> <span class="n">group_by</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-173"><a href="#decorrelate-173"><span class="linenos">173</span></a>
|
||||
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-176"><a href="#decorrelate-176"><span class="linenos">176</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-177"><a href="#decorrelate-177"><span class="linenos">177</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</span></a>
|
||||
</span><span id="decorrelate-179"><a href="#decorrelate-179"><span class="linenos">179</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="decorrelate-180"><a href="#decorrelate-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</span></a>
|
||||
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-174"><a href="#decorrelate-174"><span class="linenos">174</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-175"><a href="#decorrelate-175"><span class="linenos">175</span></a>
|
||||
</span><span id="decorrelate-176"><a href="#decorrelate-176"><span class="linenos">176</span></a> <span class="c1"># if the value of the subquery is not an agg or a key, we need to collect it into an array</span>
|
||||
</span><span id="decorrelate-177"><a href="#decorrelate-177"><span class="linenos">177</span></a> <span class="c1"># so that it can be grouped. For subquery projections, we use a MAX aggregation instead.</span>
|
||||
</span><span id="decorrelate-178"><a href="#decorrelate-178"><span class="linenos">178</span></a> <span class="n">agg_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span> <span class="k">if</span> <span class="n">is_subquery_projection</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span>
|
||||
</span><span id="decorrelate-179"><a href="#decorrelate-179"><span class="linenos">179</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-180"><a href="#decorrelate-180"><span class="linenos">180</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-181"><a href="#decorrelate-181"><span class="linenos">181</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-182"><a href="#decorrelate-182"><span class="linenos">182</span></a> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-183"><a href="#decorrelate-183"><span class="linenos">183</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-184"><a href="#decorrelate-184"><span class="linenos">184</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-185"><a href="#decorrelate-185"><span class="linenos">185</span></a>
|
||||
</span><span id="decorrelate-186"><a href="#decorrelate-186"><span class="linenos">186</span></a> <span class="c1"># exists queries should not have any selects as it only checks if there are any rows</span>
|
||||
</span><span id="decorrelate-187"><a href="#decorrelate-187"><span class="linenos">187</span></a> <span class="c1"># all selects will be added by the optimizer and only used for join keys</span>
|
||||
</span><span id="decorrelate-188"><a href="#decorrelate-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-189"><a href="#decorrelate-189"><span class="linenos">189</span></a> <span class="n">select</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expressions"</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||||
</span><span id="decorrelate-190"><a href="#decorrelate-190"><span class="linenos">190</span></a>
|
||||
</span><span id="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-205"><a href="#decorrelate-205"><span class="linenos">205</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-206"><a href="#decorrelate-206"><span class="linenos">206</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-207"><a href="#decorrelate-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-209"><a href="#decorrelate-209"><span class="linenos">209</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a>
|
||||
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-218"><a href="#decorrelate-218"><span class="linenos">218</span></a>
|
||||
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-225"><span class="linenos">225</span></a>
|
||||
</span><span id="decorrelate-226"><a href="#decorrelate-226"><span class="linenos">226</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-191"><a href="#decorrelate-191"><span class="linenos">191</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">alias</span> <span class="ow">in</span> <span class="n">key_aliases</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||||
</span><span id="decorrelate-192"><a href="#decorrelate-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-193"><a href="#decorrelate-193"><span class="linenos">193</span></a> <span class="c1"># add all keys to the projections of the subquery</span>
|
||||
</span><span id="decorrelate-194"><a href="#decorrelate-194"><span class="linenos">194</span></a> <span class="c1"># so that we can use it as a join key</span>
|
||||
</span><span id="decorrelate-195"><a href="#decorrelate-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">)</span> <span class="ow">or</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-196"><a href="#decorrelate-196"><span class="linenos">196</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2"> AS </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-197"><a href="#decorrelate-197"><span class="linenos">197</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-198"><a href="#decorrelate-198"><span class="linenos">198</span></a> <span class="n">select</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">agg_func</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">key</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> <span class="n">alias</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-199"><a href="#decorrelate-199"><span class="linenos">199</span></a>
|
||||
</span><span id="decorrelate-200"><a href="#decorrelate-200"><span class="linenos">200</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">alias</span><span class="p">,</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-201"><a href="#decorrelate-201"><span class="linenos">201</span></a> <span class="n">other</span> <span class="o">=</span> <span class="n">_other_operand</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-202"><a href="#decorrelate-202"><span class="linenos">202</span></a>
|
||||
</span><span id="decorrelate-203"><a href="#decorrelate-203"><span class="linenos">203</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-204"><a href="#decorrelate-204"><span class="linenos">204</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">key_aliases</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-205"><a href="#decorrelate-205"><span class="linenos">205</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"NOT </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2"> IS NULL"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-206"><a href="#decorrelate-206"><span class="linenos">206</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">All</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-207"><a href="#decorrelate-207"><span class="linenos">207</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-208"><a href="#decorrelate-208"><span class="linenos">208</span></a> <span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ALL(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span>
|
||||
</span><span id="decorrelate-209"><a href="#decorrelate-209"><span class="linenos">209</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-210"><a href="#decorrelate-210"><span class="linenos">210</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Any</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-211"><a href="#decorrelate-211"><span class="linenos">211</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-212"><a href="#decorrelate-212"><span class="linenos">212</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-213"><a href="#decorrelate-213"><span class="linenos">213</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-214"><a href="#decorrelate-214"><span class="linenos">214</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2">)"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-215"><a href="#decorrelate-215"><span class="linenos">215</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-216"><a href="#decorrelate-216"><span class="linenos">216</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-217"><a href="#decorrelate-217"><span class="linenos">217</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span><span class="n">parent_predicate</span><span class="p">,</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">other</span><span class="si">}</span><span class="s2"> = </span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-218"><a href="#decorrelate-218"><span class="linenos">218</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-219"><a href="#decorrelate-219"><span class="linenos">219</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-220"><a href="#decorrelate-220"><span class="linenos">220</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-221"><a href="#decorrelate-221"><span class="linenos">221</span></a> <span class="sa">f</span><span class="s2">"ARRAY_ANY(</span><span class="si">{</span><span class="n">alias</span><span class="si">}</span><span class="s2">, _x -> _x = </span><span class="si">{</span><span class="n">parent_predicate</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-222"><a href="#decorrelate-222"><span class="linenos">222</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-223"><a href="#decorrelate-223"><span class="linenos">223</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-224"><a href="#decorrelate-224"><span class="linenos">224</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-225"><a href="#decorrelate-225"><span class="linenos">225</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">alias</span><span class="p">,</span> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-226"><a href="#decorrelate-226"><span class="linenos">226</span></a>
|
||||
</span><span id="decorrelate-227"><a href="#decorrelate-227"><span class="linenos">227</span></a> <span class="c1"># COUNT always returns 0 on empty datasets, so we need take that into consideration here</span>
|
||||
</span><span id="decorrelate-228"><a href="#decorrelate-228"><span class="linenos">228</span></a> <span class="c1"># by transforming all counts into 0 and using that as the coalesced value</span>
|
||||
</span><span id="decorrelate-229"><a href="#decorrelate-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="n">value</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-230"><a href="#decorrelate-230"><span class="linenos">230</span></a>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</span></a>
|
||||
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-235"><a href="#decorrelate-235"><span class="linenos">235</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-236"><a href="#decorrelate-236"><span class="linenos">236</span></a>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</span></a>
|
||||
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a> <span class="sa">f</span><span class="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-253"><a href="#decorrelate-253"><span class="linenos">253</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-254"><a href="#decorrelate-254"><span class="linenos">254</span></a>
|
||||
</span><span id="decorrelate-255"><a href="#decorrelate-255"><span class="linenos">255</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-256"><a href="#decorrelate-256"><span class="linenos">256</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-257"><a href="#decorrelate-257"><span class="linenos">257</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-258"><a href="#decorrelate-258"><span class="linenos">258</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-261"><a href="#decorrelate-261"><span class="linenos">261</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-231"><a href="#decorrelate-231"><span class="linenos">231</span></a> <span class="k">def</span> <span class="nf">remove_aggs</span><span class="p">(</span><span class="n">node</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-232"><a href="#decorrelate-232"><span class="linenos">232</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-233"><a href="#decorrelate-233"><span class="linenos">233</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-234"><a href="#decorrelate-234"><span class="linenos">234</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-235"><a href="#decorrelate-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span>
|
||||
</span><span id="decorrelate-236"><a href="#decorrelate-236"><span class="linenos">236</span></a> <span class="k">return</span> <span class="n">node</span>
|
||||
</span><span id="decorrelate-237"><a href="#decorrelate-237"><span class="linenos">237</span></a>
|
||||
</span><span id="decorrelate-238"><a href="#decorrelate-238"><span class="linenos">238</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-239"><a href="#decorrelate-239"><span class="linenos">239</span></a> <span class="n">this</span><span class="o">=</span><span class="n">alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-240"><a href="#decorrelate-240"><span class="linenos">240</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">value</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span><span class="n">remove_aggs</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-241"><a href="#decorrelate-241"><span class="linenos">241</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-242"><a href="#decorrelate-242"><span class="linenos">242</span></a>
|
||||
</span><span id="decorrelate-243"><a href="#decorrelate-243"><span class="linenos">243</span></a> <span class="n">select</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-244"><a href="#decorrelate-244"><span class="linenos">244</span></a>
|
||||
</span><span id="decorrelate-245"><a href="#decorrelate-245"><span class="linenos">245</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">column</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-246"><a href="#decorrelate-246"><span class="linenos">246</span></a> <span class="n">predicate</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span>
|
||||
</span><span id="decorrelate-247"><a href="#decorrelate-247"><span class="linenos">247</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">key_aliases</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">table_alias</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-248"><a href="#decorrelate-248"><span class="linenos">248</span></a>
|
||||
</span><span id="decorrelate-249"><a href="#decorrelate-249"><span class="linenos">249</span></a> <span class="k">if</span> <span class="n">is_subquery_projection</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-250"><a href="#decorrelate-250"><span class="linenos">250</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-251"><a href="#decorrelate-251"><span class="linenos">251</span></a> <span class="k">continue</span>
|
||||
</span><span id="decorrelate-252"><a href="#decorrelate-252"><span class="linenos">252</span></a>
|
||||
</span><span id="decorrelate-253"><a href="#decorrelate-253"><span class="linenos">253</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">group_by</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-254"><a href="#decorrelate-254"><span class="linenos">254</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">nested</span><span class="p">)</span>
|
||||
</span><span id="decorrelate-255"><a href="#decorrelate-255"><span class="linenos">255</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span>
|
||||
</span><span id="decorrelate-256"><a href="#decorrelate-256"><span class="linenos">256</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-257"><a href="#decorrelate-257"><span class="linenos">257</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-258"><a href="#decorrelate-258"><span class="linenos">258</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_CONTAINS(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">column</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-259"><a href="#decorrelate-259"><span class="linenos">259</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-260"><a href="#decorrelate-260"><span class="linenos">260</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="decorrelate-261"><a href="#decorrelate-261"><span class="linenos">261</span></a> <span class="n">key</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="s2">"_x"</span><span class="p">))</span>
|
||||
</span><span id="decorrelate-262"><a href="#decorrelate-262"><span class="linenos">262</span></a> <span class="n">parent_predicate</span> <span class="o">=</span> <span class="n">_replace</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-263"><a href="#decorrelate-263"><span class="linenos">263</span></a> <span class="n">parent_predicate</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-264"><a href="#decorrelate-264"><span class="linenos">264</span></a> <span class="sa">f</span><span class="s2">"(</span><span class="si">{</span><span class="n">parent_predicate</span><span class="si">}</span><span class="s2"> AND ARRAY_ANY(</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">, _x -> </span><span class="si">{</span><span class="n">predicate</span><span class="si">}</span><span class="s2">))"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-265"><a href="#decorrelate-265"><span class="linenos">265</span></a> <span class="p">)</span>
|
||||
</span><span id="decorrelate-266"><a href="#decorrelate-266"><span class="linenos">266</span></a>
|
||||
</span><span id="decorrelate-267"><a href="#decorrelate-267"><span class="linenos">267</span></a> <span class="n">parent_select</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
|
||||
</span><span id="decorrelate-268"><a href="#decorrelate-268"><span class="linenos">268</span></a> <span class="n">select</span><span class="o">.</span><span class="n">group_by</span><span class="p">(</span><span class="o">*</span><span class="n">group_by</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span>
|
||||
</span><span id="decorrelate-269"><a href="#decorrelate-269"><span class="linenos">269</span></a> <span class="n">on</span><span class="o">=</span><span class="p">[</span><span class="n">predicate</span> <span class="k">for</span> <span class="o">*</span><span class="n">_</span><span class="p">,</span> <span class="n">predicate</span> <span class="ow">in</span> <span class="n">keys</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">predicate</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)],</span>
|
||||
</span><span id="decorrelate-270"><a href="#decorrelate-270"><span class="linenos">270</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"LEFT"</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-271"><a href="#decorrelate-271"><span class="linenos">271</span></a> <span class="n">join_alias</span><span class="o">=</span><span class="n">table_alias</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-272"><a href="#decorrelate-272"><span class="linenos">272</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="decorrelate-273"><a href="#decorrelate-273"><span class="linenos">273</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue