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diff --git a/docs/sqlglot/optimizer/annotate_types.html b/docs/sqlglot/optimizer/annotate_types.html index 92bbf8c..b88132c 100644 --- a/docs/sqlglot/optimizer/annotate_types.html +++ b/docs/sqlglot/optimizer/annotate_types.html @@ -31,9 +31,18 @@ <h2>API Documentation</h2> <ul class="memberlist"> <li> + <a class="variable" href="#DATE_UNITS">DATE_UNITS</a> + </li> + <li> <a class="function" href="#annotate_types">annotate_types</a> </li> <li> + <a class="function" href="#swap_args">swap_args</a> + </li> + <li> + <a class="function" href="#swap_all">swap_all</a> + </li> + <li> <a class="class" href="#TypeAnnotator">TypeAnnotator</a> <ul class="memberlist"> <li> @@ -52,6 +61,9 @@ <a class="variable" href="#TypeAnnotator.COERCES_TO">COERCES_TO</a> </li> <li> + <a class="variable" href="#TypeAnnotator.BINARY_COERCIONS">BINARY_COERCIONS</a> + </li> + <li> <a class="variable" href="#TypeAnnotator.schema">schema</a> </li> <li> @@ -61,6 +73,9 @@ <a class="variable" href="#TypeAnnotator.coerces_to">coerces_to</a> </li> <li> + <a class="variable" href="#TypeAnnotator.binary_coercions">binary_coercions</a> + </li> + <li> <a class="function" href="#TypeAnnotator.annotate">annotate</a> </li> </ul> @@ -91,429 +106,546 @@ <div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span> </span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a> -</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span> -</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a> -</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">exp</span> -</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span> -</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">ensure_list</span><span class="p">,</span> <span class="n">subclasses</span> -</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">traverse_scope</span> -</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.schema</span> <span class="kn">import</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">ensure_schema</span> -</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a> -</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span> -</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="n">B</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"B"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> -</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> -</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> -</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a><span class="k">def</span> <span class="nf">annotate_types</span><span class="p">(</span> -</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> -</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="n">schema</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">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">|</span> <span class="n">Schema</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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-20"><a href="#L-20"><span class="linenos"> 20</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a><span class="sd"> Infers the types of an expression, annotating its AST accordingly.</span> -</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> -</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a><span class="sd"> Example:</span> -</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a><span class="sd"> >>> import sqlglot</span> -</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a><span class="sd"> >>> schema = {"y": {"cola": "SMALLINT"}}</span> -</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a><span class="sd"> >>> sql = "SELECT x.cola + 2.5 AS cola FROM (SELECT y.cola AS cola FROM y AS y) AS x"</span> -</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a><span class="sd"> >>> annotated_expr = annotate_types(sqlglot.parse_one(sql), schema=schema)</span> -</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a><span class="sd"> >>> annotated_expr.expressions[0].type.this # Get the type of "x.cola + 2.5 AS cola"</span> -</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a><span class="sd"> <Type.DOUBLE: 'DOUBLE'></span> -</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> -</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a><span class="sd"> Args:</span> -</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a><span class="sd"> expression: Expression to annotate.</span> -</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a><span class="sd"> schema: Database schema.</span> -</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a><span class="sd"> annotators: Maps expression type to corresponding annotation function.</span> -</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a><span class="sd"> coerces_to: Maps expression type to set of types that it can be coerced into.</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="sd"> Returns:</span> -</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a><span class="sd"> The expression annotated with types.</span> -</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a><span class="sd"> """</span> -</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> -</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> +</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">datetime</span> +</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="kn">import</span> <span class="nn">functools</span> +</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span> +</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a> +</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">exp</span> +</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span> +</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">ensure_list</span><span class="p">,</span> <span class="n">subclasses</span> +</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.scope</span> <span class="kn">import</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">traverse_scope</span> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="kn">from</span> <span class="nn">sqlglot.schema</span> <span class="kn">import</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">ensure_schema</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> +</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a><span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span> +</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="n">B</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"B"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> +</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> +</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> <span class="n">BinaryCoercionFunc</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span 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><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="n">BinaryCoercions</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</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="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><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="n">BinaryCoercionFunc</span><span class="p">,</span> +</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="p">]</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> +</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> +</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a><span class="c1"># Interval units that operate on date components</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a><span class="n">DATE_UNITS</span> <span class="o">=</span> <span class="p">{</span><span class="s2">"day"</span><span class="p">,</span> <span class="s2">"week"</span><span class="p">,</span> <span class="s2">"month"</span><span class="p">,</span> <span class="s2">"quarter"</span><span class="p">,</span> <span class="s2">"year"</span><span class="p">,</span> <span class="s2">"year_month"</span><span class="p">}</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a><span class="k">def</span> <span class="nf">annotate_types</span><span class="p">(</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">schema</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">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">|</span> <span class="n">Schema</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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-32"><a href="#L-32"><span class="linenos"> 32</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a><span class="sd"> Infers the types of an expression, annotating its AST accordingly.</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a><span class="sd"> Example:</span> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a><span class="sd"> >>> import sqlglot</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a><span class="sd"> >>> schema = {"y": {"cola": "SMALLINT"}}</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a><span class="sd"> >>> sql = "SELECT x.cola + 2.5 AS cola FROM (SELECT y.cola AS cola FROM y AS y) AS x"</span> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a><span class="sd"> >>> annotated_expr = annotate_types(sqlglot.parse_one(sql), schema=schema)</span> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a><span class="sd"> >>> annotated_expr.expressions[0].type.this # Get the type of "x.cola + 2.5 AS cola"</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a><span class="sd"> <Type.DOUBLE: 'DOUBLE'></span> </span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> -</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="k">return</span> <span class="n">TypeAnnotator</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">annotators</span><span class="p">,</span> <span class="n">coerces_to</span><span class="p">)</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> -</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> -</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a><span class="k">def</span> <span class="nf">_annotate_with_type_lambda</span><span class="p">(</span><span class="n">data_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> -</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">data_type</span><span class="p">)</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a><span class="sd"> Args:</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a><span class="sd"> expression: Expression to annotate.</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a><span class="sd"> schema: Database schema.</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a><span class="sd"> annotators: Maps expression type to corresponding annotation function.</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a><span class="sd"> coerces_to: Maps expression type to set of types that it can be coerced into.</span> </span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> -</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> -</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a><span class="k">class</span> <span class="nc">_TypeAnnotator</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span> -</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span> -</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">)</span> -</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> -</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="c1"># Highest-to-lowest type precedence, as specified in Spark's docs (ANSI):</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="c1"># https://spark.apache.org/docs/3.2.0/sql-ref-ansi-compliance.html</span> -</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">text_precedence</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">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">TEXT</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NVARCHAR</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NCHAR</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">CHAR</span><span class="p">,</span> -</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="p">)</span> -</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">numeric_precedence</span> <span class="o">=</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">,</span> -</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</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">FLOAT</span><span class="p">,</span> -</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</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">DECIMAL</span><span class="p">,</span> -</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</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">BIGINT</span><span class="p">,</span> -</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</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">INT</span><span class="p">,</span> -</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</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">SMALLINT</span><span class="p">,</span> -</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</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">TINYINT</span><span class="p">,</span> -</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="p">)</span> -</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">timelike_precedence</span> <span class="o">=</span> <span class="p">(</span> -</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</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">TIMESTAMPLTZ</span><span class="p">,</span> -</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</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">TIMESTAMPTZ</span><span class="p">,</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</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">TIMESTAMP</span><span class="p">,</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</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">DATETIME</span><span class="p">,</span> -</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</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-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="p">)</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="k">for</span> <span class="n">type_precedence</span> <span class="ow">in</span> <span class="p">(</span><span class="n">text_precedence</span><span class="p">,</span> <span class="n">numeric_precedence</span><span class="p">,</span> <span class="n">timelike_precedence</span><span class="p">):</span> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">coerces_to</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">for</span> <span class="n">data_type</span> <span class="ow">in</span> <span class="n">type_precedence</span><span class="p">:</span> -</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">COERCES_TO</span><span class="p">[</span><span class="n">data_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">coerces_to</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">coerces_to</span> <span class="o">|=</span> <span class="p">{</span><span class="n">data_type</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">klass</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a><span class="sd"> Returns:</span> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a><span class="sd"> The expression annotated with types.</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a><span class="sd"> """</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> +</span><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">return</span> <span class="n">TypeAnnotator</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">annotators</span><span class="p">,</span> <span class="n">coerces_to</span><span class="p">)</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a><span class="k">def</span> <span class="nf">_annotate_with_type_lambda</span><span class="p">(</span><span class="n">data_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</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="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">data_type</span><span class="p">)</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><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a><span class="k">def</span> <span class="nf">_is_iso_date</span><span class="p">(</span><span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">datetime</span><span class="o">.</span><span class="n">date</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">text</span><span class="p">)</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">return</span> <span class="kc">True</span> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">return</span> <span class="kc">False</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><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a><span class="k">def</span> <span class="nf">_is_iso_datetime</span><span class="p">(</span><span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">text</span><span class="p">)</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">return</span> <span class="kc">True</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">return</span> <span class="kc">False</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><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a><span class="k">def</span> <span class="nf">_coerce_literal_and_interval</span><span class="p">(</span><span class="n">l</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">r</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">:</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">date_text</span> <span class="o">=</span> <span class="n">l</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</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">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-84"><a href="#L-84"><span class="linenos"> 84</span></a> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="n">is_iso_date</span> <span class="ow">and</span> <span class="n">unit</span> <span class="ow">in</span> <span class="n">DATE_UNITS</span><span class="p">:</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">l</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">l</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-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">return</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-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">class</span> <span class="nc">TypeAnnotator</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_TypeAnnotator</span><span class="p">):</span> -</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</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="p">{</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</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">BIGINT</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">,</span> -</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">,</span> -</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">,</span> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="p">},</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</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">BOOLEAN</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">,</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">,</span> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</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">RegexpLike</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 class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">,</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Date</span><span class="p">,</span> -</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateFromParts</span><span class="p">,</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">,</span> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">,</span> -</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">,</span> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DiToDate</span><span class="p">,</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToDate</span><span class="p">,</span> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToDate</span><span class="p">,</span> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">,</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="p">},</span> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</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">DATETIME</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDatetime</span><span class="p">,</span> -</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeAdd</span><span class="p">,</span> -</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeSub</span><span class="p">,</span> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="p">},</span> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</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">DOUBLE</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">,</span> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Avg</span><span class="p">,</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Exp</span><span class="p">,</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ln</span><span class="p">,</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log</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">Log2</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">Log10</span><span class="p">,</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">,</span> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Quantile</span><span class="p">,</span> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Round</span><span class="p">,</span> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">,</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sqrt</span><span class="p">,</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Stddev</span><span class="p">,</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevPop</span><span class="p">,</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevSamp</span><span class="p">,</span> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Variance</span><span class="p">,</span> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VariancePop</span><span class="p">,</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="p">},</span> -</span><span id="L-141"><a href="#L-141"><span class="linenos">141</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">INT</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ceil</span><span class="p">,</span> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">,</span> -</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeDiff</span><span class="p">,</span> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">,</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampDiff</span><span class="p">,</span> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeDiff</span><span class="p">,</span> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDi</span><span class="p">,</span> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Floor</span><span class="p">,</span> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Levenshtein</span><span class="p">,</span> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">,</span> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDiToDi</span><span class="p">,</span> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="p">},</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</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">TIMESTAMP</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTime</span><span class="p">,</span> -</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> -</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToTime</span><span class="p">,</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeAdd</span><span class="p">,</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">,</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeSub</span><span class="p">,</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampAdd</span><span class="p">,</span> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampSub</span><span class="p">,</span> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTime</span><span class="p">,</span> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="p">},</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span 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">TINYINT</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Day</span><span class="p">,</span> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Month</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">Week</span><span class="p">,</span> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Year</span><span class="p">,</span> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="p">},</span> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</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">VARCHAR</span><span class="p">:</span> <span class="p">{</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">,</span> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">,</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">,</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDateStr</span><span class="p">,</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">,</span> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Initcap</span><span class="p">,</span> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">,</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</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">Substring</span><span class="p">,</span> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToStr</span><span class="p">,</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToTimeStr</span><span class="p">,</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">,</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDateStr</span><span class="p">,</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span><span class="p">,</span> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTimeStr</span><span class="p">,</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Upper</span><span class="p">,</span> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="p">},</span> -</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="p">}</span> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">ANNOTATORS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_unary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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">Alias</span><span class="p">))</span> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="p">},</span> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_binary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="p">},</span> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="n">_annotate_with_type_lambda</span><span class="p">(</span><span class="n">data_type</span><span class="p">)</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">for</span> <span class="n">data_type</span><span class="p">,</span> <span class="n">expressions</span> <span class="ow">in</span> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">expressions</span> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="p">},</span> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Anonymous</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">),</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">,</span> <span class="s2">"ifs"</span><span class="p">),</span> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Filter</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">),</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"true"</span><span class="p">,</span> <span class="s2">"false"</span><span class="p">),</span> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">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-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Least</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_literal</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> -</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</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="n">exp</span><span class="o">.</span><span class="n">Sum</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">promote</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="p">}</span> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">NESTED_TYPES</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</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">ARRAY</span><span class="p">,</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <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="c1"># Specifies what types a given type can be coerced into (autofilled)</span> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">COERCES_TO</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="p">{}</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span> <span class="o">=</span> <span class="n">annotators</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ANNOTATORS</span> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span> <span class="o">=</span> <span class="n">coerces_to</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">COERCES_TO</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="c1"># Caches the ids of annotated sub-Expressions, to ensure we only visit them once</span> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</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">def</span> <span class="nf">_set_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">target_type</span> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">expression</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">annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">continue</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</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">UDTF</span><span class="p">):</span> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lateral</span><span class="p">):</span> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">):</span> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">]</span> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</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><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">values</span><span class="p">:</span> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">continue</span> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">column</span> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">for</span> <span class="n">alias</span><span class="p">,</span> <span class="n">column</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="n">values</span><span class="p">,</span> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="p">)</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="p">}</span> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="p">}</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="c1"># First annotate the current scope's column references</span> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</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-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">continue</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">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> -</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">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-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">get_column_type</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">col</span><span class="p">))</span> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span> <span class="ow">in</span> <span class="n">selects</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">]:</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">][</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">type</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="c1"># Then (possibly) annotate the remaining expressions in the scope</span> -</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-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="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="c1"># This takes care of non-traversable expressions</span> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="k">def</span> <span class="nf">_maybe_annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">if</span> <span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="k">return</span> <span class="n">expression</span> <span class="c1"># We've already inferred the expression's type</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="c1"># An ISO date is also an ISO datetime, but not vice versa</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</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-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">l</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">l</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-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="k">return</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><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">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">UNKNOWN</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a><span class="k">def</span> <span class="nf">_coerce_date_and_interval</span><span class="p">(</span><span class="n">l</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">r</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">:</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</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="n">unit</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">DATE_UNITS</span><span class="p">:</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">return</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><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="n">l</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="n">l</span><span class="o">.</span><span class="n">type</span> <span class="k">else</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">UNKNOWN</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><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a><span class="k">def</span> <span class="nf">swap_args</span><span class="p">(</span><span class="n">func</span><span class="p">:</span> <span class="n">BinaryCoercionFunc</span><span class="p">)</span> <span class="o">-></span> <span class="n">BinaryCoercionFunc</span><span class="p">:</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="nd">@functools</span><span class="o">.</span><span class="n">wraps</span><span class="p">(</span><span class="n">func</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">_swapped</span><span class="p">(</span><span class="n">l</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">r</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">:</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">return</span> <span class="n">func</span><span class="p">(</span><span class="n">r</span><span class="p">,</span> <span class="n">l</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">return</span> <span class="n">_swapped</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a><span class="k">def</span> <span class="nf">swap_all</span><span class="p">(</span><span class="n">coercions</span><span class="p">:</span> <span class="n">BinaryCoercions</span><span class="p">)</span> <span class="o">-></span> <span class="n">BinaryCoercions</span><span class="p">:</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">return</span> <span class="p">{</span><span class="o">**</span><span class="n">coercions</span><span class="p">,</span> <span class="o">**</span><span class="p">{(</span><span class="n">b</span><span class="p">,</span> <span class="n">a</span><span class="p">):</span> <span class="n">swap_args</span><span class="p">(</span><span class="n">func</span><span class="p">)</span> <span class="k">for</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">),</span> <span class="n">func</span> <span class="ow">in</span> <span class="n">coercions</span><span class="o">.</span><span class="n">items</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><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a><span class="k">class</span> <span class="nc">_TypeAnnotator</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</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="c1"># Highest-to-lowest type precedence, as specified in Spark's docs (ANSI):</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="c1"># https://spark.apache.org/docs/3.2.0/sql-ref-ansi-compliance.html</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">text_precedence</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</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">TEXT</span><span class="p">,</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NVARCHAR</span><span class="p">,</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</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">VARCHAR</span><span class="p">,</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</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">NCHAR</span><span class="p">,</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</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">CHAR</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 class="n">numeric_precedence</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</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">DOUBLE</span><span class="p">,</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</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">FLOAT</span><span class="p">,</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</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">DECIMAL</span><span class="p">,</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</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">BIGINT</span><span class="p">,</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</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">INT</span><span class="p">,</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</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">SMALLINT</span><span class="p">,</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TINYINT</span><span class="p">,</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="p">)</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">timelike_precedence</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">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">TIMESTAMPLTZ</span><span class="p">,</span> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</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">TIMESTAMPTZ</span><span class="p">,</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</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">TIMESTAMP</span><span class="p">,</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</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">DATETIME</span><span class="p">,</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</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-144"><a href="#L-144"><span class="linenos">144</span></a> <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="k">for</span> <span class="n">type_precedence</span> <span class="ow">in</span> <span class="p">(</span><span class="n">text_precedence</span><span class="p">,</span> <span class="n">numeric_precedence</span><span class="p">,</span> <span class="n">timelike_precedence</span><span class="p">):</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">coerces_to</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">for</span> <span class="n">data_type</span> <span class="ow">in</span> <span class="n">type_precedence</span><span class="p">:</span> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">COERCES_TO</span><span class="p">[</span><span class="n">data_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">coerces_to</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">coerces_to</span> <span class="o">|=</span> <span class="p">{</span><span class="n">data_type</span><span class="p">}</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">return</span> <span class="n">klass</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a><span class="k">class</span> <span class="nc">TypeAnnotator</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_TypeAnnotator</span><span class="p">):</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</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="p">{</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</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">BIGINT</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">,</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">,</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">,</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="p">},</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span 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">BOOLEAN</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">,</span> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">,</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="p">},</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</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 class="p">{</span> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">,</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Date</span><span class="p">,</span> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateFromParts</span><span class="p">,</span> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">,</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">,</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DiToDate</span><span class="p">,</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToDate</span><span class="p">,</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToDate</span><span class="p">,</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">,</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <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">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 class="p">{</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDatetime</span><span class="p">,</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeAdd</span><span class="p">,</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeSub</span><span class="p">,</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="p">},</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</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">DOUBLE</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">,</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Avg</span><span class="p">,</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Exp</span><span class="p">,</span> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ln</span><span class="p">,</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log</span><span class="p">,</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log2</span><span class="p">,</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log10</span><span class="p">,</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">,</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Quantile</span><span class="p">,</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Round</span><span class="p">,</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">,</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sqrt</span><span class="p">,</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Stddev</span><span class="p">,</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevPop</span><span class="p">,</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevSamp</span><span class="p">,</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Variance</span><span class="p">,</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VariancePop</span><span class="p">,</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="p">},</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</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">INT</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ceil</span><span class="p">,</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">,</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeDiff</span><span class="p">,</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">,</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampDiff</span><span class="p">,</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeDiff</span><span class="p">,</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDi</span><span class="p">,</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Floor</span><span class="p">,</span> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Levenshtein</span><span class="p">,</span> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">,</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDiToDi</span><span class="p">,</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="p">},</span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</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">TIMESTAMP</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTime</span><span class="p">,</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToTime</span><span class="p">,</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeAdd</span><span class="p">,</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">,</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeSub</span><span class="p">,</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">,</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampAdd</span><span class="p">,</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampSub</span><span class="p">,</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTime</span><span class="p">,</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="p">},</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span 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">TINYINT</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Day</span><span class="p">,</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Month</span><span class="p">,</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Week</span><span class="p">,</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Year</span><span class="p">,</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="p">},</span> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">,</span> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">,</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">,</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDateStr</span><span class="p">,</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">,</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Initcap</span><span class="p">,</span> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">,</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">,</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDPipe</span><span class="p">,</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToStr</span><span class="p">,</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToTimeStr</span><span class="p">,</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">,</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDateStr</span><span class="p">,</span> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span><span class="p">,</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTimeStr</span><span class="p">,</span> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Upper</span><span class="p">,</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="p">},</span> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="p">}</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="n">ANNOTATORS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_unary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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">Alias</span><span class="p">))</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="p">},</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_binary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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-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 class="o">**</span><span class="p">{</span> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="n">_annotate_with_type_lambda</span><span class="p">(</span><span class="n">data_type</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">data_type</span><span class="p">,</span> <span class="n">expressions</span> <span class="ow">in</span> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="o">.</span><span class="n">items</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">expr_type</span> <span class="ow">in</span> <span class="n">expressions</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="p">},</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Anonymous</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">),</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">,</span> <span class="s2">"ifs"</span><span class="p">),</span> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_dateadd</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_dateadd</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Filter</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">),</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"true"</span><span class="p">,</span> <span class="s2">"false"</span><span class="p">),</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">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-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Least</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_literal</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">),</span> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sum</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">promote</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="p">}</span> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="n">NESTED_TYPES</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</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">ARRAY</span><span class="p">,</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="p">}</span> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="c1"># Specifies what types a given type can be coerced into (autofilled)</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">COERCES_TO</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="p">{}</span> </span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">annotator</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">)</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="k">return</span> <span class="p">(</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="n">annotator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="k">if</span> <span class="n">annotator</span> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">)</span> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="p">)</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="k">def</span> <span class="nf">_annotate_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">value</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-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="k">def</span> <span class="nf">_maybe_coerce</span><span class="p">(</span> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">type1</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">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="n">type2</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">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="p">)</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">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><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="n">type1_value</span> <span class="o">=</span> <span class="n">type1</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type1</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type1</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">type2_value</span> <span class="o">=</span> <span class="n">type2</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type2</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type2</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"># We propagate the NULL / UNKNOWN types upwards if found</span> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">if</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">return</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">NULL</span> -</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="k">if</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">UNKNOWN</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> -</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="k">return</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">UNKNOWN</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="k">if</span> <span class="n">type1_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="k">return</span> <span class="n">type1</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="k">return</span> <span class="n">type2</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="c1"># Coercion functions for binary operations.</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="c1"># Map of type pairs to a callable that takes both sides of the binary operation and returns the resulting type.</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">BINARY_COERCIONS</span><span class="p">:</span> <span class="n">BinaryCoercions</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="o">**</span><span class="n">swap_all</span><span class="p">(</span> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="p">{</span> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="p">(</span><span class="n">t</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">):</span> <span class="n">_coerce_literal_and_interval</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="k">for</span> <span class="n">t</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-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="p">}</span> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="p">),</span> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="o">**</span><span class="n">swap_all</span><span class="p">(</span> +</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="p">{</span> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">):</span> <span class="n">_coerce_date_and_interval</span><span class="p">,</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="p">}</span> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="p">),</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="p">}</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">binary_coercions</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">BinaryCoercions</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span> <span class="o">=</span> <span class="n">annotators</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ANNOTATORS</span> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span> <span class="o">=</span> <span class="n">coerces_to</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">COERCES_TO</span> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span> <span class="o">=</span> <span class="n">binary_coercions</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">BINARY_COERCIONS</span> +</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="c1"># Caches the ids of annotated sub-Expressions, to ensure we only visit them once</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> </span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">return</span> <span class="n">type2_value</span> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="p">{})</span> <span class="k">else</span> <span class="n">type1_value</span> <span class="c1"># type: ignore</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> -</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="c1"># Note: the following "no_type_check" decorators were added because mypy was yelling due</span> -</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="c1"># to assigning Type values to expression.type (since its getter returns Optional[DataType]).</span> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="c1"># This is a known mypy issue: https://github.com/python/mypy/issues/3004</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">def</span> <span class="nf">_set_type</span><span class="p">(</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span> +</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</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">type</span> <span class="o">=</span> <span class="n">target_type</span> <span class="c1"># type: ignore</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> </span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">def</span> <span class="nf">_annotate_binary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">B</span><span class="p">)</span> <span class="o">-></span> <span class="n">B</span><span class="p">:</span> -</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="n">left_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="n">right_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</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-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="k">if</span> <span class="n">left_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span> <span class="ow">and</span> <span class="n">right_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">:</span> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">)</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="k">elif</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">):</span> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="n">expression</span><span class="p">,</span> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"NULLABLE"</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"BOOLEAN"</span><span class="p">)),</span> -</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="p">)</span> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</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">Predicate</span><span class="p">):</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</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">return</span> <span class="n">expression</span> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="k">def</span> <span class="nf">_annotate_unary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</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="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">Condition</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="p">)</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="k">return</span> <span class="n">expression</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="k">def</span> <span class="nf">annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">continue</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lateral</span><span class="p">):</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">):</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">]</span> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</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><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="k">if</span> <span class="ow">not</span> <span class="n">values</span><span class="p">:</span> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">continue</span> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">column</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">for</span> <span class="n">alias</span><span class="p">,</span> <span class="n">column</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="n">values</span><span class="p">,</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="p">)</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="p">}</span> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="p">}</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="c1"># First annotate the current scope's column references</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</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-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="k">continue</span> </span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="k">def</span> <span class="nf">_annotate_literal</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_int</span><span class="p">:</span> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">)</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">get_column_type</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">col</span><span class="p">))</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span> <span class="ow">in</span> <span class="n">selects</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">]:</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">][</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">type</span><span class="p">)</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="c1"># Then (possibly) annotate the remaining expressions in the scope</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> </span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> -</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="c1"># This takes care of non-traversable expressions</span> </span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="k">def</span> <span class="nf">_annotate_with_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">)</span> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">def</span> <span class="nf">_annotate_by_args</span><span class="p">(</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">promote</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">array</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</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="n">expressions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span><span class="p">:</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">arg_expr</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><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">expr</span> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">ensure_list</span><span class="p">(</span><span class="n">arg_expr</span><span class="p">)</span> <span class="k">if</span> <span class="n">expr</span><span class="p">)</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="k">def</span> <span class="nf">_maybe_annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="k">if</span> <span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="k">return</span> <span class="n">expression</span> <span class="c1"># We've already inferred the expression's type</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="n">annotator</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">)</span> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">return</span> <span class="p">(</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">annotator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> +</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="k">if</span> <span class="n">annotator</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">)</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="p">)</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">def</span> <span class="nf">_annotate_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">value</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-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> </span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</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">last_datatype</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">last_datatype</span> <span class="ow">or</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">,</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">last_datatype</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">UNKNOWN</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">if</span> <span class="n">promote</span><span class="p">:</span> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="k">if</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-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BIGINT</span><span class="p">)</span> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">elif</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">FLOAT_TYPES</span><span class="p">:</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="k">if</span> <span class="n">array</span><span class="p">:</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="n">expression</span><span class="p">,</span> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">(</span> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <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">ARRAY</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="p">],</span> <span class="n">nested</span><span class="o">=</span><span class="kc">True</span> -</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="p">),</span> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="p">)</span> -</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> -</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">def</span> <span class="nf">_maybe_coerce</span><span class="p">(</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">type1</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">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="n">type2</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">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="p">)</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">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><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">type1_value</span> <span class="o">=</span> <span class="n">type1</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type1</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type1</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="n">type2_value</span> <span class="o">=</span> <span class="n">type2</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type2</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type2</span> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="c1"># We propagate the NULL / UNKNOWN types upwards if found</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">if</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="k">return</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">NULL</span> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">if</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">UNKNOWN</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="k">return</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">UNKNOWN</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="k">if</span> <span class="n">type1_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="k">return</span> <span class="n">type1</span> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="k">return</span> <span class="n">type2</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">type2_value</span> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="p">{})</span> <span class="k">else</span> <span class="n">type1_value</span> <span class="c1"># type: ignore</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> <span class="c1"># Note: the following "no_type_check" decorators were added because mypy was yelling due</span> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="c1"># to assigning Type values to expression.type (since its getter returns Optional[DataType]).</span> +</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="c1"># This is a known mypy issue: https://github.com/python/mypy/issues/3004</span> +</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> +</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a> <span class="k">def</span> <span class="nf">_annotate_binary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">B</span><span class="p">)</span> <span class="o">-></span> <span class="n">B</span><span class="p">:</span> +</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> +</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> <span class="n">left</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">right</span> +</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a> <span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">right</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> +</span><span id="L-433"><a href="#L-433"><span class="linenos">433</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-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="k">if</span> <span class="n">left_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span> <span class="ow">and</span> <span class="n">right_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">:</span> +</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">)</span> +</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="k">elif</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">):</span> +</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> +</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="n">expression</span><span class="p">,</span> +</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"NULLABLE"</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"BOOLEAN"</span><span class="p">)),</span> +</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="p">)</span> +</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> +</span><span id="L-443"><a href="#L-443"><span class="linenos">443</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">Predicate</span><span class="p">):</span> +</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> +</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a> <span class="k">elif</span> <span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span><span class="p">:</span> +</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span><span class="p">[(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">)](</span><span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">))</span> +</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">))</span> +</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> +</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> +</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a> <span class="k">def</span> <span class="nf">_annotate_unary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a> +</span><span id="L-456"><a href="#L-456"><span class="linenos">456</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">Condition</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> +</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> +</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> +</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> +</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> +</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> <span class="k">def</span> <span class="nf">_annotate_literal</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> +</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_int</span><span class="p">:</span> +</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">)</span> +</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> +</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> +</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> +</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> <span class="k">def</span> <span class="nf">_annotate_with_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">)</span> +</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> +</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a> <span class="k">def</span> <span class="nf">_annotate_by_args</span><span class="p">(</span> +</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">promote</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">array</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> +</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> <span class="n">expressions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span><span class="p">:</span> +</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> <span class="n">arg_expr</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><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">expr</span> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">ensure_list</span><span class="p">(</span><span class="n">arg_expr</span><span class="p">)</span> <span class="k">if</span> <span class="n">expr</span><span class="p">)</span> +</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a> +</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span> +</span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">last_datatype</span> <span class="ow">or</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">,</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> +</span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a> +</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">last_datatype</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">UNKNOWN</span><span class="p">)</span> +</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a> +</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a> <span class="k">if</span> <span class="n">promote</span><span class="p">:</span> +</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a> <span class="k">if</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-498"><a href="#L-498"><span class="linenos">498</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BIGINT</span><span class="p">)</span> +</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> <span class="k">elif</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">FLOAT_TYPES</span><span class="p">:</span> +</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> +</span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> +</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a> <span class="k">if</span> <span class="n">array</span><span class="p">:</span> +</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> +</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="n">expression</span><span class="p">,</span> +</span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">(</span> +</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> <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">ARRAY</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="p">],</span> <span class="n">nested</span><span class="o">=</span><span class="kc">True</span> +</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a> <span class="p">),</span> +</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> <span class="p">)</span> +</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> +</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> +</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> <span class="k">def</span> <span class="nf">_annotate_dateadd</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntervalOp</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">IntervalOp</span><span class="p">:</span> +</span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> +</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> <span class="k">if</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 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-516"><a href="#L-516"><span class="linenos">516</span></a> <span class="n">datatype</span> <span class="o">=</span> <span class="n">_coerce_literal_and_interval</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">interval</span><span class="p">())</span> +</span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a> <span class="k">elif</span> <span class="p">(</span> +</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> <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">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span> +</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">DATE_UNITS</span> +</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a> <span class="p">):</span> +</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a> <span class="n">datatype</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><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> <span class="n">datatype</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><span id="L-524"><a href="#L-524"><span class="linenos">524</span></a> +</span><span id="L-525"><a href="#L-525"><span class="linenos">525</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">datatype</span><span class="p">)</span> +</span><span id="L-526"><a href="#L-526"><span class="linenos">526</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> </section> + <section id="DATE_UNITS"> + <div class="attr variable"> + <span class="name">DATE_UNITS</span> = +<span class="default_value">{'quarter', 'year', 'week', 'month', 'year_month', 'day'}</span> + + + </div> + <a class="headerlink" href="#DATE_UNITS"></a> + + + + </section> <section id="annotate_types"> <input id="annotate_types-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> <div class="attr function"> @@ -525,36 +657,36 @@ </div> <a class="headerlink" href="#annotate_types"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="annotate_types-16"><a href="#annotate_types-16"><span class="linenos">16</span></a><span class="k">def</span> <span class="nf">annotate_types</span><span class="p">(</span> -</span><span id="annotate_types-17"><a href="#annotate_types-17"><span class="linenos">17</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> -</span><span id="annotate_types-18"><a href="#annotate_types-18"><span class="linenos">18</span></a> <span class="n">schema</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">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">|</span> <span class="n">Schema</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="annotate_types-19"><a href="#annotate_types-19"><span class="linenos">19</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="annotate_types-20"><a href="#annotate_types-20"><span class="linenos">20</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="annotate_types-21"><a href="#annotate_types-21"><span class="linenos">21</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="annotate_types-22"><a href="#annotate_types-22"><span class="linenos">22</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="annotate_types-23"><a href="#annotate_types-23"><span class="linenos">23</span></a><span class="sd"> Infers the types of an expression, annotating its AST accordingly.</span> -</span><span id="annotate_types-24"><a href="#annotate_types-24"><span class="linenos">24</span></a> -</span><span id="annotate_types-25"><a href="#annotate_types-25"><span class="linenos">25</span></a><span class="sd"> Example:</span> -</span><span id="annotate_types-26"><a href="#annotate_types-26"><span class="linenos">26</span></a><span class="sd"> >>> import sqlglot</span> -</span><span id="annotate_types-27"><a href="#annotate_types-27"><span class="linenos">27</span></a><span class="sd"> >>> schema = {"y": {"cola": "SMALLINT"}}</span> -</span><span id="annotate_types-28"><a href="#annotate_types-28"><span class="linenos">28</span></a><span class="sd"> >>> sql = "SELECT x.cola + 2.5 AS cola FROM (SELECT y.cola AS cola FROM y AS y) AS x"</span> -</span><span id="annotate_types-29"><a href="#annotate_types-29"><span class="linenos">29</span></a><span class="sd"> >>> annotated_expr = annotate_types(sqlglot.parse_one(sql), schema=schema)</span> -</span><span id="annotate_types-30"><a href="#annotate_types-30"><span class="linenos">30</span></a><span class="sd"> >>> annotated_expr.expressions[0].type.this # Get the type of "x.cola + 2.5 AS cola"</span> -</span><span id="annotate_types-31"><a href="#annotate_types-31"><span class="linenos">31</span></a><span class="sd"> <Type.DOUBLE: 'DOUBLE'></span> -</span><span id="annotate_types-32"><a href="#annotate_types-32"><span class="linenos">32</span></a> -</span><span id="annotate_types-33"><a href="#annotate_types-33"><span class="linenos">33</span></a><span class="sd"> Args:</span> -</span><span id="annotate_types-34"><a href="#annotate_types-34"><span class="linenos">34</span></a><span class="sd"> expression: Expression to annotate.</span> -</span><span id="annotate_types-35"><a href="#annotate_types-35"><span class="linenos">35</span></a><span class="sd"> schema: Database schema.</span> -</span><span id="annotate_types-36"><a href="#annotate_types-36"><span class="linenos">36</span></a><span class="sd"> annotators: Maps expression type to corresponding annotation function.</span> -</span><span id="annotate_types-37"><a href="#annotate_types-37"><span class="linenos">37</span></a><span class="sd"> coerces_to: Maps expression type to set of types that it can be coerced into.</span> -</span><span id="annotate_types-38"><a href="#annotate_types-38"><span class="linenos">38</span></a> -</span><span id="annotate_types-39"><a href="#annotate_types-39"><span class="linenos">39</span></a><span class="sd"> Returns:</span> -</span><span id="annotate_types-40"><a href="#annotate_types-40"><span class="linenos">40</span></a><span class="sd"> The expression annotated with types.</span> -</span><span id="annotate_types-41"><a href="#annotate_types-41"><span class="linenos">41</span></a><span class="sd"> """</span> -</span><span id="annotate_types-42"><a href="#annotate_types-42"><span class="linenos">42</span></a> -</span><span id="annotate_types-43"><a href="#annotate_types-43"><span class="linenos">43</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="annotate_types-28"><a href="#annotate_types-28"><span class="linenos">28</span></a><span class="k">def</span> <span class="nf">annotate_types</span><span class="p">(</span> +</span><span id="annotate_types-29"><a href="#annotate_types-29"><span class="linenos">29</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> +</span><span id="annotate_types-30"><a href="#annotate_types-30"><span class="linenos">30</span></a> <span class="n">schema</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">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">|</span> <span class="n">Schema</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="annotate_types-31"><a href="#annotate_types-31"><span class="linenos">31</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="annotate_types-32"><a href="#annotate_types-32"><span class="linenos">32</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="annotate_types-33"><a href="#annotate_types-33"><span class="linenos">33</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="annotate_types-34"><a href="#annotate_types-34"><span class="linenos">34</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="annotate_types-35"><a href="#annotate_types-35"><span class="linenos">35</span></a><span class="sd"> Infers the types of an expression, annotating its AST accordingly.</span> +</span><span id="annotate_types-36"><a href="#annotate_types-36"><span class="linenos">36</span></a> +</span><span id="annotate_types-37"><a href="#annotate_types-37"><span class="linenos">37</span></a><span class="sd"> Example:</span> +</span><span id="annotate_types-38"><a href="#annotate_types-38"><span class="linenos">38</span></a><span class="sd"> >>> import sqlglot</span> +</span><span id="annotate_types-39"><a href="#annotate_types-39"><span class="linenos">39</span></a><span class="sd"> >>> schema = {"y": {"cola": "SMALLINT"}}</span> +</span><span id="annotate_types-40"><a href="#annotate_types-40"><span class="linenos">40</span></a><span class="sd"> >>> sql = "SELECT x.cola + 2.5 AS cola FROM (SELECT y.cola AS cola FROM y AS y) AS x"</span> +</span><span id="annotate_types-41"><a href="#annotate_types-41"><span class="linenos">41</span></a><span class="sd"> >>> annotated_expr = annotate_types(sqlglot.parse_one(sql), schema=schema)</span> +</span><span id="annotate_types-42"><a href="#annotate_types-42"><span class="linenos">42</span></a><span class="sd"> >>> annotated_expr.expressions[0].type.this # Get the type of "x.cola + 2.5 AS cola"</span> +</span><span id="annotate_types-43"><a href="#annotate_types-43"><span class="linenos">43</span></a><span class="sd"> <Type.DOUBLE: 'DOUBLE'></span> </span><span id="annotate_types-44"><a href="#annotate_types-44"><span class="linenos">44</span></a> -</span><span id="annotate_types-45"><a href="#annotate_types-45"><span class="linenos">45</span></a> <span class="k">return</span> <span class="n">TypeAnnotator</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">annotators</span><span class="p">,</span> <span class="n">coerces_to</span><span class="p">)</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="annotate_types-45"><a href="#annotate_types-45"><span class="linenos">45</span></a><span class="sd"> Args:</span> +</span><span id="annotate_types-46"><a href="#annotate_types-46"><span class="linenos">46</span></a><span class="sd"> expression: Expression to annotate.</span> +</span><span id="annotate_types-47"><a href="#annotate_types-47"><span class="linenos">47</span></a><span class="sd"> schema: Database schema.</span> +</span><span id="annotate_types-48"><a href="#annotate_types-48"><span class="linenos">48</span></a><span class="sd"> annotators: Maps expression type to corresponding annotation function.</span> +</span><span id="annotate_types-49"><a href="#annotate_types-49"><span class="linenos">49</span></a><span class="sd"> coerces_to: Maps expression type to set of types that it can be coerced into.</span> +</span><span id="annotate_types-50"><a href="#annotate_types-50"><span class="linenos">50</span></a> +</span><span id="annotate_types-51"><a href="#annotate_types-51"><span class="linenos">51</span></a><span class="sd"> Returns:</span> +</span><span id="annotate_types-52"><a href="#annotate_types-52"><span class="linenos">52</span></a><span class="sd"> The expression annotated with types.</span> +</span><span id="annotate_types-53"><a href="#annotate_types-53"><span class="linenos">53</span></a><span class="sd"> """</span> +</span><span id="annotate_types-54"><a href="#annotate_types-54"><span class="linenos">54</span></a> +</span><span id="annotate_types-55"><a href="#annotate_types-55"><span class="linenos">55</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> +</span><span id="annotate_types-56"><a href="#annotate_types-56"><span class="linenos">56</span></a> +</span><span id="annotate_types-57"><a href="#annotate_types-57"><span class="linenos">57</span></a> <span class="k">return</span> <span class="n">TypeAnnotator</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">annotators</span><span class="p">,</span> <span class="n">coerces_to</span><span class="p">)</span><span class="o">.</span><span class="n">annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -592,6 +724,48 @@ </section> + <section id="swap_args"> + <input id="swap_args-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + + <span class="def">def</span> + <span class="name">swap_args</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">func</span><span class="p">:</span> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="swap_args-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#swap_args"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="swap_args-105"><a href="#swap_args-105"><span class="linenos">105</span></a><span class="k">def</span> <span class="nf">swap_args</span><span class="p">(</span><span class="n">func</span><span class="p">:</span> <span class="n">BinaryCoercionFunc</span><span class="p">)</span> <span class="o">-></span> <span class="n">BinaryCoercionFunc</span><span class="p">:</span> +</span><span id="swap_args-106"><a href="#swap_args-106"><span class="linenos">106</span></a> <span class="nd">@functools</span><span class="o">.</span><span class="n">wraps</span><span class="p">(</span><span class="n">func</span><span class="p">)</span> +</span><span id="swap_args-107"><a href="#swap_args-107"><span class="linenos">107</span></a> <span class="k">def</span> <span class="nf">_swapped</span><span class="p">(</span><span class="n">l</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">r</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">:</span> +</span><span id="swap_args-108"><a href="#swap_args-108"><span class="linenos">108</span></a> <span class="k">return</span> <span class="n">func</span><span class="p">(</span><span class="n">r</span><span class="p">,</span> <span class="n">l</span><span class="p">)</span> +</span><span id="swap_args-109"><a href="#swap_args-109"><span class="linenos">109</span></a> +</span><span id="swap_args-110"><a href="#swap_args-110"><span class="linenos">110</span></a> <span class="k">return</span> <span class="n">_swapped</span> +</span></pre></div> + + + + + </section> + <section id="swap_all"> + <input id="swap_all-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + + <span class="def">def</span> + <span class="name">swap_all</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">coercions</span><span class="p">:</span> <span class="n">Dict</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">],</span> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]]</span></span><span class="return-annotation">) -> <span class="n">Dict</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">],</span> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]]</span>:</span></span> + + <label class="view-source-button" for="swap_all-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#swap_all"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="swap_all-113"><a href="#swap_all-113"><span class="linenos">113</span></a><span class="k">def</span> <span class="nf">swap_all</span><span class="p">(</span><span class="n">coercions</span><span class="p">:</span> <span class="n">BinaryCoercions</span><span class="p">)</span> <span class="o">-></span> <span class="n">BinaryCoercions</span><span class="p">:</span> +</span><span id="swap_all-114"><a href="#swap_all-114"><span class="linenos">114</span></a> <span class="k">return</span> <span class="p">{</span><span class="o">**</span><span class="n">coercions</span><span class="p">,</span> <span class="o">**</span><span class="p">{(</span><span class="n">b</span><span class="p">,</span> <span class="n">a</span><span class="p">):</span> <span class="n">swap_args</span><span class="p">(</span><span class="n">func</span><span class="p">)</span> <span class="k">for</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">),</span> <span class="n">func</span> <span class="ow">in</span> <span class="n">coercions</span><span class="o">.</span><span class="n">items</span><span class="p">()}}</span> +</span></pre></div> + + + + + </section> <section id="TypeAnnotator"> <input id="TypeAnnotator-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> <div class="attr class"> @@ -603,338 +777,378 @@ </div> <a class="headerlink" href="#TypeAnnotator"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="TypeAnnotator-91"><a href="#TypeAnnotator-91"><span class="linenos"> 91</span></a><span class="k">class</span> <span class="nc">TypeAnnotator</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_TypeAnnotator</span><span class="p">):</span> -</span><span id="TypeAnnotator-92"><a href="#TypeAnnotator-92"><span class="linenos"> 92</span></a> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</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="p">{</span> -</span><span id="TypeAnnotator-93"><a href="#TypeAnnotator-93"><span class="linenos"> 93</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">BIGINT</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-94"><a href="#TypeAnnotator-94"><span class="linenos"> 94</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> -</span><span id="TypeAnnotator-95"><a href="#TypeAnnotator-95"><span class="linenos"> 95</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">,</span> -</span><span id="TypeAnnotator-96"><a href="#TypeAnnotator-96"><span class="linenos"> 96</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">,</span> -</span><span id="TypeAnnotator-97"><a href="#TypeAnnotator-97"><span class="linenos"> 97</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">,</span> -</span><span id="TypeAnnotator-98"><a href="#TypeAnnotator-98"><span class="linenos"> 98</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-99"><a href="#TypeAnnotator-99"><span class="linenos"> 99</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">BOOLEAN</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-100"><a href="#TypeAnnotator-100"><span class="linenos">100</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">,</span> -</span><span id="TypeAnnotator-101"><a href="#TypeAnnotator-101"><span class="linenos">101</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">,</span> -</span><span id="TypeAnnotator-102"><a href="#TypeAnnotator-102"><span class="linenos">102</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> -</span><span id="TypeAnnotator-103"><a href="#TypeAnnotator-103"><span class="linenos">103</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> -</span><span id="TypeAnnotator-104"><a href="#TypeAnnotator-104"><span class="linenos">104</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-105"><a href="#TypeAnnotator-105"><span class="linenos">105</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 class="p">{</span> -</span><span id="TypeAnnotator-106"><a href="#TypeAnnotator-106"><span class="linenos">106</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">,</span> -</span><span id="TypeAnnotator-107"><a href="#TypeAnnotator-107"><span class="linenos">107</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Date</span><span class="p">,</span> -</span><span id="TypeAnnotator-108"><a href="#TypeAnnotator-108"><span class="linenos">108</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">,</span> -</span><span id="TypeAnnotator-109"><a href="#TypeAnnotator-109"><span class="linenos">109</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateFromParts</span><span class="p">,</span> -</span><span id="TypeAnnotator-110"><a href="#TypeAnnotator-110"><span class="linenos">110</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">,</span> -</span><span id="TypeAnnotator-111"><a href="#TypeAnnotator-111"><span class="linenos">111</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">,</span> -</span><span id="TypeAnnotator-112"><a href="#TypeAnnotator-112"><span class="linenos">112</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">,</span> -</span><span id="TypeAnnotator-113"><a href="#TypeAnnotator-113"><span class="linenos">113</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DiToDate</span><span class="p">,</span> -</span><span id="TypeAnnotator-114"><a href="#TypeAnnotator-114"><span class="linenos">114</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToDate</span><span class="p">,</span> -</span><span id="TypeAnnotator-115"><a href="#TypeAnnotator-115"><span class="linenos">115</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToDate</span><span class="p">,</span> -</span><span id="TypeAnnotator-116"><a href="#TypeAnnotator-116"><span class="linenos">116</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">,</span> -</span><span id="TypeAnnotator-117"><a href="#TypeAnnotator-117"><span class="linenos">117</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-118"><a href="#TypeAnnotator-118"><span class="linenos">118</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">DATETIME</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-119"><a href="#TypeAnnotator-119"><span class="linenos">119</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDatetime</span><span class="p">,</span> -</span><span id="TypeAnnotator-120"><a href="#TypeAnnotator-120"><span class="linenos">120</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeAdd</span><span class="p">,</span> -</span><span id="TypeAnnotator-121"><a href="#TypeAnnotator-121"><span class="linenos">121</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeSub</span><span class="p">,</span> -</span><span id="TypeAnnotator-122"><a href="#TypeAnnotator-122"><span class="linenos">122</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-123"><a href="#TypeAnnotator-123"><span class="linenos">123</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">DOUBLE</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-124"><a href="#TypeAnnotator-124"><span class="linenos">124</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">,</span> -</span><span id="TypeAnnotator-125"><a href="#TypeAnnotator-125"><span class="linenos">125</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Avg</span><span class="p">,</span> -</span><span id="TypeAnnotator-126"><a href="#TypeAnnotator-126"><span class="linenos">126</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Exp</span><span class="p">,</span> -</span><span id="TypeAnnotator-127"><a href="#TypeAnnotator-127"><span class="linenos">127</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ln</span><span class="p">,</span> -</span><span id="TypeAnnotator-128"><a href="#TypeAnnotator-128"><span class="linenos">128</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log</span><span class="p">,</span> -</span><span id="TypeAnnotator-129"><a href="#TypeAnnotator-129"><span class="linenos">129</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log2</span><span class="p">,</span> -</span><span id="TypeAnnotator-130"><a href="#TypeAnnotator-130"><span class="linenos">130</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log10</span><span class="p">,</span> -</span><span id="TypeAnnotator-131"><a href="#TypeAnnotator-131"><span class="linenos">131</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">,</span> -</span><span id="TypeAnnotator-132"><a href="#TypeAnnotator-132"><span class="linenos">132</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Quantile</span><span class="p">,</span> -</span><span id="TypeAnnotator-133"><a href="#TypeAnnotator-133"><span class="linenos">133</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Round</span><span class="p">,</span> -</span><span id="TypeAnnotator-134"><a href="#TypeAnnotator-134"><span class="linenos">134</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">,</span> -</span><span id="TypeAnnotator-135"><a href="#TypeAnnotator-135"><span class="linenos">135</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sqrt</span><span class="p">,</span> -</span><span id="TypeAnnotator-136"><a href="#TypeAnnotator-136"><span class="linenos">136</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Stddev</span><span class="p">,</span> -</span><span id="TypeAnnotator-137"><a href="#TypeAnnotator-137"><span class="linenos">137</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevPop</span><span class="p">,</span> -</span><span id="TypeAnnotator-138"><a href="#TypeAnnotator-138"><span class="linenos">138</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevSamp</span><span class="p">,</span> -</span><span id="TypeAnnotator-139"><a href="#TypeAnnotator-139"><span class="linenos">139</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Variance</span><span class="p">,</span> -</span><span id="TypeAnnotator-140"><a href="#TypeAnnotator-140"><span class="linenos">140</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VariancePop</span><span class="p">,</span> -</span><span id="TypeAnnotator-141"><a href="#TypeAnnotator-141"><span class="linenos">141</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-142"><a href="#TypeAnnotator-142"><span class="linenos">142</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">INT</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-143"><a href="#TypeAnnotator-143"><span class="linenos">143</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ceil</span><span class="p">,</span> -</span><span id="TypeAnnotator-144"><a href="#TypeAnnotator-144"><span class="linenos">144</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">,</span> -</span><span id="TypeAnnotator-145"><a href="#TypeAnnotator-145"><span class="linenos">145</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeDiff</span><span class="p">,</span> -</span><span id="TypeAnnotator-146"><a href="#TypeAnnotator-146"><span class="linenos">146</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">,</span> -</span><span id="TypeAnnotator-147"><a href="#TypeAnnotator-147"><span class="linenos">147</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampDiff</span><span class="p">,</span> -</span><span id="TypeAnnotator-148"><a href="#TypeAnnotator-148"><span class="linenos">148</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeDiff</span><span class="p">,</span> -</span><span id="TypeAnnotator-149"><a href="#TypeAnnotator-149"><span class="linenos">149</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDi</span><span class="p">,</span> -</span><span id="TypeAnnotator-150"><a href="#TypeAnnotator-150"><span class="linenos">150</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Floor</span><span class="p">,</span> -</span><span id="TypeAnnotator-151"><a href="#TypeAnnotator-151"><span class="linenos">151</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Levenshtein</span><span class="p">,</span> -</span><span id="TypeAnnotator-152"><a href="#TypeAnnotator-152"><span class="linenos">152</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">,</span> -</span><span id="TypeAnnotator-153"><a href="#TypeAnnotator-153"><span class="linenos">153</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDiToDi</span><span class="p">,</span> -</span><span id="TypeAnnotator-154"><a href="#TypeAnnotator-154"><span class="linenos">154</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-155"><a href="#TypeAnnotator-155"><span class="linenos">155</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">TIMESTAMP</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-156"><a href="#TypeAnnotator-156"><span class="linenos">156</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTime</span><span class="p">,</span> -</span><span id="TypeAnnotator-157"><a href="#TypeAnnotator-157"><span class="linenos">157</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> -</span><span id="TypeAnnotator-158"><a href="#TypeAnnotator-158"><span class="linenos">158</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToTime</span><span class="p">,</span> -</span><span id="TypeAnnotator-159"><a href="#TypeAnnotator-159"><span class="linenos">159</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeAdd</span><span class="p">,</span> -</span><span id="TypeAnnotator-160"><a href="#TypeAnnotator-160"><span class="linenos">160</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">,</span> -</span><span id="TypeAnnotator-161"><a href="#TypeAnnotator-161"><span class="linenos">161</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeSub</span><span class="p">,</span> -</span><span id="TypeAnnotator-162"><a href="#TypeAnnotator-162"><span class="linenos">162</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampAdd</span><span class="p">,</span> -</span><span id="TypeAnnotator-163"><a href="#TypeAnnotator-163"><span class="linenos">163</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampSub</span><span class="p">,</span> -</span><span id="TypeAnnotator-164"><a href="#TypeAnnotator-164"><span class="linenos">164</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTime</span><span class="p">,</span> -</span><span id="TypeAnnotator-165"><a href="#TypeAnnotator-165"><span class="linenos">165</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-166"><a href="#TypeAnnotator-166"><span class="linenos">166</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">TINYINT</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-167"><a href="#TypeAnnotator-167"><span class="linenos">167</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Day</span><span class="p">,</span> -</span><span id="TypeAnnotator-168"><a href="#TypeAnnotator-168"><span class="linenos">168</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Month</span><span class="p">,</span> -</span><span id="TypeAnnotator-169"><a href="#TypeAnnotator-169"><span class="linenos">169</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Week</span><span class="p">,</span> -</span><span id="TypeAnnotator-170"><a href="#TypeAnnotator-170"><span class="linenos">170</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Year</span><span class="p">,</span> -</span><span id="TypeAnnotator-171"><a href="#TypeAnnotator-171"><span class="linenos">171</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-172"><a href="#TypeAnnotator-172"><span class="linenos">172</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">VARCHAR</span><span class="p">:</span> <span class="p">{</span> -</span><span id="TypeAnnotator-173"><a href="#TypeAnnotator-173"><span class="linenos">173</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">,</span> -</span><span id="TypeAnnotator-174"><a href="#TypeAnnotator-174"><span class="linenos">174</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">,</span> -</span><span id="TypeAnnotator-175"><a href="#TypeAnnotator-175"><span class="linenos">175</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">,</span> -</span><span id="TypeAnnotator-176"><a href="#TypeAnnotator-176"><span class="linenos">176</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDateStr</span><span class="p">,</span> -</span><span id="TypeAnnotator-177"><a href="#TypeAnnotator-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">,</span> -</span><span id="TypeAnnotator-178"><a href="#TypeAnnotator-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Initcap</span><span class="p">,</span> -</span><span id="TypeAnnotator-179"><a href="#TypeAnnotator-179"><span class="linenos">179</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">,</span> -</span><span id="TypeAnnotator-180"><a href="#TypeAnnotator-180"><span class="linenos">180</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">,</span> -</span><span id="TypeAnnotator-181"><a href="#TypeAnnotator-181"><span class="linenos">181</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> -</span><span id="TypeAnnotator-182"><a href="#TypeAnnotator-182"><span class="linenos">182</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToStr</span><span class="p">,</span> -</span><span id="TypeAnnotator-183"><a href="#TypeAnnotator-183"><span class="linenos">183</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToTimeStr</span><span class="p">,</span> -</span><span id="TypeAnnotator-184"><a href="#TypeAnnotator-184"><span class="linenos">184</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">,</span> -</span><span id="TypeAnnotator-185"><a href="#TypeAnnotator-185"><span class="linenos">185</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDateStr</span><span class="p">,</span> -</span><span id="TypeAnnotator-186"><a href="#TypeAnnotator-186"><span class="linenos">186</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span><span class="p">,</span> -</span><span id="TypeAnnotator-187"><a href="#TypeAnnotator-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTimeStr</span><span class="p">,</span> -</span><span id="TypeAnnotator-188"><a href="#TypeAnnotator-188"><span class="linenos">188</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Upper</span><span class="p">,</span> -</span><span id="TypeAnnotator-189"><a href="#TypeAnnotator-189"><span class="linenos">189</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-190"><a href="#TypeAnnotator-190"><span class="linenos">190</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator-191"><a href="#TypeAnnotator-191"><span class="linenos">191</span></a> -</span><span id="TypeAnnotator-192"><a href="#TypeAnnotator-192"><span class="linenos">192</span></a> <span class="n">ANNOTATORS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="TypeAnnotator-193"><a href="#TypeAnnotator-193"><span class="linenos">193</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="TypeAnnotator-194"><a href="#TypeAnnotator-194"><span class="linenos">194</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_unary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="TypeAnnotator-195"><a href="#TypeAnnotator-195"><span class="linenos">195</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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">Alias</span><span class="p">))</span> -</span><span id="TypeAnnotator-196"><a href="#TypeAnnotator-196"><span class="linenos">196</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-197"><a href="#TypeAnnotator-197"><span class="linenos">197</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="TypeAnnotator-198"><a href="#TypeAnnotator-198"><span class="linenos">198</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_binary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="TypeAnnotator-199"><a href="#TypeAnnotator-199"><span class="linenos">199</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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="TypeAnnotator-200"><a href="#TypeAnnotator-200"><span class="linenos">200</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-201"><a href="#TypeAnnotator-201"><span class="linenos">201</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="TypeAnnotator-202"><a href="#TypeAnnotator-202"><span class="linenos">202</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="n">_annotate_with_type_lambda</span><span class="p">(</span><span class="n">data_type</span><span class="p">)</span> -</span><span id="TypeAnnotator-203"><a href="#TypeAnnotator-203"><span class="linenos">203</span></a> <span class="k">for</span> <span class="n">data_type</span><span class="p">,</span> <span class="n">expressions</span> <span class="ow">in</span> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="TypeAnnotator-204"><a href="#TypeAnnotator-204"><span class="linenos">204</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">expressions</span> -</span><span id="TypeAnnotator-205"><a href="#TypeAnnotator-205"><span class="linenos">205</span></a> <span class="p">},</span> -</span><span id="TypeAnnotator-206"><a href="#TypeAnnotator-206"><span class="linenos">206</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Anonymous</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">),</span> -</span><span id="TypeAnnotator-207"><a href="#TypeAnnotator-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="TypeAnnotator-208"><a href="#TypeAnnotator-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="TypeAnnotator-209"><a href="#TypeAnnotator-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="TypeAnnotator-210"><a href="#TypeAnnotator-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> -</span><span id="TypeAnnotator-211"><a href="#TypeAnnotator-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">,</span> <span class="s2">"ifs"</span><span class="p">),</span> -</span><span id="TypeAnnotator-212"><a href="#TypeAnnotator-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="TypeAnnotator-213"><a href="#TypeAnnotator-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> -</span><span id="TypeAnnotator-214"><a href="#TypeAnnotator-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="TypeAnnotator-215"><a href="#TypeAnnotator-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Filter</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">),</span> -</span><span id="TypeAnnotator-216"><a href="#TypeAnnotator-216"><span class="linenos">216</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"true"</span><span class="p">,</span> <span class="s2">"false"</span><span class="p">),</span> -</span><span id="TypeAnnotator-217"><a href="#TypeAnnotator-217"><span class="linenos">217</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">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="TypeAnnotator-218"><a href="#TypeAnnotator-218"><span class="linenos">218</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Least</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="TypeAnnotator-219"><a href="#TypeAnnotator-219"><span class="linenos">219</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_literal</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> -</span><span id="TypeAnnotator-220"><a href="#TypeAnnotator-220"><span class="linenos">220</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> -</span><span id="TypeAnnotator-221"><a href="#TypeAnnotator-221"><span class="linenos">221</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="TypeAnnotator-222"><a href="#TypeAnnotator-222"><span class="linenos">222</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> -</span><span id="TypeAnnotator-223"><a href="#TypeAnnotator-223"><span class="linenos">223</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">),</span> -</span><span id="TypeAnnotator-224"><a href="#TypeAnnotator-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sum</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">promote</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="TypeAnnotator-225"><a href="#TypeAnnotator-225"><span class="linenos">225</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> -</span><span id="TypeAnnotator-226"><a href="#TypeAnnotator-226"><span class="linenos">226</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> -</span><span id="TypeAnnotator-227"><a href="#TypeAnnotator-227"><span class="linenos">227</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator-228"><a href="#TypeAnnotator-228"><span class="linenos">228</span></a> -</span><span id="TypeAnnotator-229"><a href="#TypeAnnotator-229"><span class="linenos">229</span></a> <span class="n">NESTED_TYPES</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="TypeAnnotator-230"><a href="#TypeAnnotator-230"><span class="linenos">230</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">ARRAY</span><span class="p">,</span> -</span><span id="TypeAnnotator-231"><a href="#TypeAnnotator-231"><span class="linenos">231</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator-232"><a href="#TypeAnnotator-232"><span class="linenos">232</span></a> -</span><span id="TypeAnnotator-233"><a href="#TypeAnnotator-233"><span class="linenos">233</span></a> <span class="c1"># Specifies what types a given type can be coerced into (autofilled)</span> -</span><span id="TypeAnnotator-234"><a href="#TypeAnnotator-234"><span class="linenos">234</span></a> <span class="n">COERCES_TO</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="p">{}</span> -</span><span id="TypeAnnotator-235"><a href="#TypeAnnotator-235"><span class="linenos">235</span></a> -</span><span id="TypeAnnotator-236"><a href="#TypeAnnotator-236"><span class="linenos">236</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> -</span><span id="TypeAnnotator-237"><a href="#TypeAnnotator-237"><span class="linenos">237</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="TypeAnnotator-238"><a href="#TypeAnnotator-238"><span class="linenos">238</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> -</span><span id="TypeAnnotator-239"><a href="#TypeAnnotator-239"><span class="linenos">239</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="TypeAnnotator-240"><a href="#TypeAnnotator-240"><span class="linenos">240</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="TypeAnnotator-241"><a href="#TypeAnnotator-241"><span class="linenos">241</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="TypeAnnotator-242"><a href="#TypeAnnotator-242"><span class="linenos">242</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> -</span><span id="TypeAnnotator-243"><a href="#TypeAnnotator-243"><span class="linenos">243</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span> <span class="o">=</span> <span class="n">annotators</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ANNOTATORS</span> -</span><span id="TypeAnnotator-244"><a href="#TypeAnnotator-244"><span class="linenos">244</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span> <span class="o">=</span> <span class="n">coerces_to</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">COERCES_TO</span> -</span><span id="TypeAnnotator-245"><a href="#TypeAnnotator-245"><span class="linenos">245</span></a> -</span><span id="TypeAnnotator-246"><a href="#TypeAnnotator-246"><span class="linenos">246</span></a> <span class="c1"># Caches the ids of annotated sub-Expressions, to ensure we only visit them once</span> -</span><span id="TypeAnnotator-247"><a href="#TypeAnnotator-247"><span class="linenos">247</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="TypeAnnotator-248"><a href="#TypeAnnotator-248"><span class="linenos">248</span></a> -</span><span id="TypeAnnotator-249"><a href="#TypeAnnotator-249"><span class="linenos">249</span></a> <span class="k">def</span> <span class="nf">_set_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="TypeAnnotator-250"><a href="#TypeAnnotator-250"><span class="linenos">250</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">target_type</span> -</span><span id="TypeAnnotator-251"><a href="#TypeAnnotator-251"><span class="linenos">251</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> -</span><span id="TypeAnnotator-252"><a href="#TypeAnnotator-252"><span class="linenos">252</span></a> -</span><span id="TypeAnnotator-253"><a href="#TypeAnnotator-253"><span class="linenos">253</span></a> <span class="k">def</span> <span class="nf">annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator-254"><a href="#TypeAnnotator-254"><span class="linenos">254</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="TypeAnnotator-255"><a href="#TypeAnnotator-255"><span class="linenos">255</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="TypeAnnotator-256"><a href="#TypeAnnotator-256"><span class="linenos">256</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="TypeAnnotator-257"><a href="#TypeAnnotator-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> -</span><span id="TypeAnnotator-258"><a href="#TypeAnnotator-258"><span class="linenos">258</span></a> <span class="k">continue</span> -</span><span id="TypeAnnotator-259"><a href="#TypeAnnotator-259"><span class="linenos">259</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> -</span><span id="TypeAnnotator-260"><a href="#TypeAnnotator-260"><span class="linenos">260</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="TypeAnnotator-261"><a href="#TypeAnnotator-261"><span class="linenos">261</span></a> -</span><span id="TypeAnnotator-262"><a href="#TypeAnnotator-262"><span class="linenos">262</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lateral</span><span class="p">):</span> -</span><span id="TypeAnnotator-263"><a href="#TypeAnnotator-263"><span class="linenos">263</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">):</span> -</span><span id="TypeAnnotator-264"><a href="#TypeAnnotator-264"><span class="linenos">264</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">]</span> -</span><span id="TypeAnnotator-265"><a href="#TypeAnnotator-265"><span class="linenos">265</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator-266"><a href="#TypeAnnotator-266"><span class="linenos">266</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</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><span id="TypeAnnotator-267"><a href="#TypeAnnotator-267"><span class="linenos">267</span></a> -</span><span id="TypeAnnotator-268"><a href="#TypeAnnotator-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">values</span><span class="p">:</span> -</span><span id="TypeAnnotator-269"><a href="#TypeAnnotator-269"><span class="linenos">269</span></a> <span class="k">continue</span> -</span><span id="TypeAnnotator-270"><a href="#TypeAnnotator-270"><span class="linenos">270</span></a> -</span><span id="TypeAnnotator-271"><a href="#TypeAnnotator-271"><span class="linenos">271</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="TypeAnnotator-272"><a href="#TypeAnnotator-272"><span class="linenos">272</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">column</span> -</span><span id="TypeAnnotator-273"><a href="#TypeAnnotator-273"><span class="linenos">273</span></a> <span class="k">for</span> <span class="n">alias</span><span class="p">,</span> <span class="n">column</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> -</span><span id="TypeAnnotator-274"><a href="#TypeAnnotator-274"><span class="linenos">274</span></a> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span> -</span><span id="TypeAnnotator-275"><a href="#TypeAnnotator-275"><span class="linenos">275</span></a> <span class="n">values</span><span class="p">,</span> -</span><span id="TypeAnnotator-276"><a href="#TypeAnnotator-276"><span class="linenos">276</span></a> <span class="p">)</span> -</span><span id="TypeAnnotator-277"><a href="#TypeAnnotator-277"><span class="linenos">277</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator-278"><a href="#TypeAnnotator-278"><span class="linenos">278</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator-279"><a href="#TypeAnnotator-279"><span class="linenos">279</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="TypeAnnotator-280"><a href="#TypeAnnotator-280"><span class="linenos">280</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span> -</span><span id="TypeAnnotator-281"><a href="#TypeAnnotator-281"><span class="linenos">281</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator-282"><a href="#TypeAnnotator-282"><span class="linenos">282</span></a> -</span><span id="TypeAnnotator-283"><a href="#TypeAnnotator-283"><span class="linenos">283</span></a> <span class="c1"># First annotate the current scope's column references</span> -</span><span id="TypeAnnotator-284"><a href="#TypeAnnotator-284"><span class="linenos">284</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="TypeAnnotator-285"><a href="#TypeAnnotator-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> -</span><span id="TypeAnnotator-286"><a href="#TypeAnnotator-286"><span class="linenos">286</span></a> <span class="k">continue</span> -</span><span id="TypeAnnotator-287"><a href="#TypeAnnotator-287"><span class="linenos">287</span></a> -</span><span id="TypeAnnotator-288"><a href="#TypeAnnotator-288"><span class="linenos">288</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> -</span><span id="TypeAnnotator-289"><a href="#TypeAnnotator-289"><span class="linenos">289</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="TypeAnnotator-290"><a href="#TypeAnnotator-290"><span class="linenos">290</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">get_column_type</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">col</span><span class="p">))</span> -</span><span id="TypeAnnotator-291"><a href="#TypeAnnotator-291"><span class="linenos">291</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span> <span class="ow">in</span> <span class="n">selects</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">]:</span> -</span><span id="TypeAnnotator-292"><a href="#TypeAnnotator-292"><span class="linenos">292</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">][</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> -</span><span id="TypeAnnotator-293"><a href="#TypeAnnotator-293"><span class="linenos">293</span></a> -</span><span id="TypeAnnotator-294"><a href="#TypeAnnotator-294"><span class="linenos">294</span></a> <span class="c1"># Then (possibly) annotate the remaining expressions in the scope</span> -</span><span id="TypeAnnotator-295"><a href="#TypeAnnotator-295"><span class="linenos">295</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator-296"><a href="#TypeAnnotator-296"><span class="linenos">296</span></a> -</span><span id="TypeAnnotator-297"><a href="#TypeAnnotator-297"><span class="linenos">297</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="c1"># This takes care of non-traversable expressions</span> -</span><span id="TypeAnnotator-298"><a href="#TypeAnnotator-298"><span class="linenos">298</span></a> -</span><span id="TypeAnnotator-299"><a href="#TypeAnnotator-299"><span class="linenos">299</span></a> <span class="k">def</span> <span class="nf">_maybe_annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator-300"><a href="#TypeAnnotator-300"><span class="linenos">300</span></a> <span class="k">if</span> <span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> -</span><span id="TypeAnnotator-301"><a href="#TypeAnnotator-301"><span class="linenos">301</span></a> <span class="k">return</span> <span class="n">expression</span> <span class="c1"># We've already inferred the expression's type</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="TypeAnnotator-156"><a href="#TypeAnnotator-156"><span class="linenos">156</span></a><span class="k">class</span> <span class="nc">TypeAnnotator</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_TypeAnnotator</span><span class="p">):</span> +</span><span id="TypeAnnotator-157"><a href="#TypeAnnotator-157"><span class="linenos">157</span></a> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</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="p">{</span> +</span><span id="TypeAnnotator-158"><a href="#TypeAnnotator-158"><span class="linenos">158</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">BIGINT</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-159"><a href="#TypeAnnotator-159"><span class="linenos">159</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> +</span><span id="TypeAnnotator-160"><a href="#TypeAnnotator-160"><span class="linenos">160</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">,</span> +</span><span id="TypeAnnotator-161"><a href="#TypeAnnotator-161"><span class="linenos">161</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">,</span> +</span><span id="TypeAnnotator-162"><a href="#TypeAnnotator-162"><span class="linenos">162</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">,</span> +</span><span id="TypeAnnotator-163"><a href="#TypeAnnotator-163"><span class="linenos">163</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-164"><a href="#TypeAnnotator-164"><span class="linenos">164</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">BOOLEAN</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-165"><a href="#TypeAnnotator-165"><span class="linenos">165</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">,</span> +</span><span id="TypeAnnotator-166"><a href="#TypeAnnotator-166"><span class="linenos">166</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">,</span> +</span><span id="TypeAnnotator-167"><a href="#TypeAnnotator-167"><span class="linenos">167</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">,</span> +</span><span id="TypeAnnotator-168"><a href="#TypeAnnotator-168"><span class="linenos">168</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">RegexpLike</span><span class="p">,</span> +</span><span id="TypeAnnotator-169"><a href="#TypeAnnotator-169"><span class="linenos">169</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-170"><a href="#TypeAnnotator-170"><span class="linenos">170</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 class="p">{</span> +</span><span id="TypeAnnotator-171"><a href="#TypeAnnotator-171"><span class="linenos">171</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">,</span> +</span><span id="TypeAnnotator-172"><a href="#TypeAnnotator-172"><span class="linenos">172</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Date</span><span class="p">,</span> +</span><span id="TypeAnnotator-173"><a href="#TypeAnnotator-173"><span class="linenos">173</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateFromParts</span><span class="p">,</span> +</span><span id="TypeAnnotator-174"><a href="#TypeAnnotator-174"><span class="linenos">174</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">,</span> +</span><span id="TypeAnnotator-175"><a href="#TypeAnnotator-175"><span class="linenos">175</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">,</span> +</span><span id="TypeAnnotator-176"><a href="#TypeAnnotator-176"><span class="linenos">176</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DiToDate</span><span class="p">,</span> +</span><span id="TypeAnnotator-177"><a href="#TypeAnnotator-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToDate</span><span class="p">,</span> +</span><span id="TypeAnnotator-178"><a href="#TypeAnnotator-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToDate</span><span class="p">,</span> +</span><span id="TypeAnnotator-179"><a href="#TypeAnnotator-179"><span class="linenos">179</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">,</span> +</span><span id="TypeAnnotator-180"><a href="#TypeAnnotator-180"><span class="linenos">180</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-181"><a href="#TypeAnnotator-181"><span class="linenos">181</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">DATETIME</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-182"><a href="#TypeAnnotator-182"><span class="linenos">182</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDatetime</span><span class="p">,</span> +</span><span id="TypeAnnotator-183"><a href="#TypeAnnotator-183"><span class="linenos">183</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeAdd</span><span class="p">,</span> +</span><span id="TypeAnnotator-184"><a href="#TypeAnnotator-184"><span class="linenos">184</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeSub</span><span class="p">,</span> +</span><span id="TypeAnnotator-185"><a href="#TypeAnnotator-185"><span class="linenos">185</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-186"><a href="#TypeAnnotator-186"><span class="linenos">186</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">DOUBLE</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-187"><a href="#TypeAnnotator-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">,</span> +</span><span id="TypeAnnotator-188"><a href="#TypeAnnotator-188"><span class="linenos">188</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Avg</span><span class="p">,</span> +</span><span id="TypeAnnotator-189"><a href="#TypeAnnotator-189"><span class="linenos">189</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Exp</span><span class="p">,</span> +</span><span id="TypeAnnotator-190"><a href="#TypeAnnotator-190"><span class="linenos">190</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ln</span><span class="p">,</span> +</span><span id="TypeAnnotator-191"><a href="#TypeAnnotator-191"><span class="linenos">191</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log</span><span class="p">,</span> +</span><span id="TypeAnnotator-192"><a href="#TypeAnnotator-192"><span class="linenos">192</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log2</span><span class="p">,</span> +</span><span id="TypeAnnotator-193"><a href="#TypeAnnotator-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Log10</span><span class="p">,</span> +</span><span id="TypeAnnotator-194"><a href="#TypeAnnotator-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">,</span> +</span><span id="TypeAnnotator-195"><a href="#TypeAnnotator-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Quantile</span><span class="p">,</span> +</span><span id="TypeAnnotator-196"><a href="#TypeAnnotator-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Round</span><span class="p">,</span> +</span><span id="TypeAnnotator-197"><a href="#TypeAnnotator-197"><span class="linenos">197</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">,</span> +</span><span id="TypeAnnotator-198"><a href="#TypeAnnotator-198"><span class="linenos">198</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sqrt</span><span class="p">,</span> +</span><span id="TypeAnnotator-199"><a href="#TypeAnnotator-199"><span class="linenos">199</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Stddev</span><span class="p">,</span> +</span><span id="TypeAnnotator-200"><a href="#TypeAnnotator-200"><span class="linenos">200</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevPop</span><span class="p">,</span> +</span><span id="TypeAnnotator-201"><a href="#TypeAnnotator-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StddevSamp</span><span class="p">,</span> +</span><span id="TypeAnnotator-202"><a href="#TypeAnnotator-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Variance</span><span class="p">,</span> +</span><span id="TypeAnnotator-203"><a href="#TypeAnnotator-203"><span class="linenos">203</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VariancePop</span><span class="p">,</span> +</span><span id="TypeAnnotator-204"><a href="#TypeAnnotator-204"><span class="linenos">204</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-205"><a href="#TypeAnnotator-205"><span class="linenos">205</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">INT</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-206"><a href="#TypeAnnotator-206"><span class="linenos">206</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ceil</span><span class="p">,</span> +</span><span id="TypeAnnotator-207"><a href="#TypeAnnotator-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">,</span> +</span><span id="TypeAnnotator-208"><a href="#TypeAnnotator-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DatetimeDiff</span><span class="p">,</span> +</span><span id="TypeAnnotator-209"><a href="#TypeAnnotator-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">,</span> +</span><span id="TypeAnnotator-210"><a href="#TypeAnnotator-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampDiff</span><span class="p">,</span> +</span><span id="TypeAnnotator-211"><a href="#TypeAnnotator-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeDiff</span><span class="p">,</span> +</span><span id="TypeAnnotator-212"><a href="#TypeAnnotator-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDi</span><span class="p">,</span> +</span><span id="TypeAnnotator-213"><a href="#TypeAnnotator-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Floor</span><span class="p">,</span> +</span><span id="TypeAnnotator-214"><a href="#TypeAnnotator-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Levenshtein</span><span class="p">,</span> +</span><span id="TypeAnnotator-215"><a href="#TypeAnnotator-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">,</span> +</span><span id="TypeAnnotator-216"><a href="#TypeAnnotator-216"><span class="linenos">216</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDiToDi</span><span class="p">,</span> +</span><span id="TypeAnnotator-217"><a href="#TypeAnnotator-217"><span class="linenos">217</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-218"><a href="#TypeAnnotator-218"><span class="linenos">218</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">TIMESTAMP</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-219"><a href="#TypeAnnotator-219"><span class="linenos">219</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTime</span><span class="p">,</span> +</span><span id="TypeAnnotator-220"><a href="#TypeAnnotator-220"><span class="linenos">220</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> +</span><span id="TypeAnnotator-221"><a href="#TypeAnnotator-221"><span class="linenos">221</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">StrToTime</span><span class="p">,</span> +</span><span id="TypeAnnotator-222"><a href="#TypeAnnotator-222"><span class="linenos">222</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeAdd</span><span class="p">,</span> +</span><span id="TypeAnnotator-223"><a href="#TypeAnnotator-223"><span class="linenos">223</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">,</span> +</span><span id="TypeAnnotator-224"><a href="#TypeAnnotator-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeSub</span><span class="p">,</span> +</span><span id="TypeAnnotator-225"><a href="#TypeAnnotator-225"><span class="linenos">225</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">,</span> +</span><span id="TypeAnnotator-226"><a href="#TypeAnnotator-226"><span class="linenos">226</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampAdd</span><span class="p">,</span> +</span><span id="TypeAnnotator-227"><a href="#TypeAnnotator-227"><span class="linenos">227</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampSub</span><span class="p">,</span> +</span><span id="TypeAnnotator-228"><a href="#TypeAnnotator-228"><span class="linenos">228</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTime</span><span class="p">,</span> +</span><span id="TypeAnnotator-229"><a href="#TypeAnnotator-229"><span class="linenos">229</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-230"><a href="#TypeAnnotator-230"><span class="linenos">230</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">TINYINT</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-231"><a href="#TypeAnnotator-231"><span class="linenos">231</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Day</span><span class="p">,</span> +</span><span id="TypeAnnotator-232"><a href="#TypeAnnotator-232"><span class="linenos">232</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Month</span><span class="p">,</span> +</span><span id="TypeAnnotator-233"><a href="#TypeAnnotator-233"><span class="linenos">233</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Week</span><span class="p">,</span> +</span><span id="TypeAnnotator-234"><a href="#TypeAnnotator-234"><span class="linenos">234</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Year</span><span class="p">,</span> +</span><span id="TypeAnnotator-235"><a href="#TypeAnnotator-235"><span class="linenos">235</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-236"><a href="#TypeAnnotator-236"><span class="linenos">236</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">VARCHAR</span><span class="p">:</span> <span class="p">{</span> +</span><span id="TypeAnnotator-237"><a href="#TypeAnnotator-237"><span class="linenos">237</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">,</span> +</span><span id="TypeAnnotator-238"><a href="#TypeAnnotator-238"><span class="linenos">238</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">,</span> +</span><span id="TypeAnnotator-239"><a href="#TypeAnnotator-239"><span class="linenos">239</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">,</span> +</span><span id="TypeAnnotator-240"><a href="#TypeAnnotator-240"><span class="linenos">240</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateToDateStr</span><span class="p">,</span> +</span><span id="TypeAnnotator-241"><a href="#TypeAnnotator-241"><span class="linenos">241</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">,</span> +</span><span id="TypeAnnotator-242"><a href="#TypeAnnotator-242"><span class="linenos">242</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Initcap</span><span class="p">,</span> +</span><span id="TypeAnnotator-243"><a href="#TypeAnnotator-243"><span class="linenos">243</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">,</span> +</span><span id="TypeAnnotator-244"><a href="#TypeAnnotator-244"><span class="linenos">244</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">,</span> +</span><span id="TypeAnnotator-245"><a href="#TypeAnnotator-245"><span class="linenos">245</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDPipe</span><span class="p">,</span> +</span><span id="TypeAnnotator-246"><a href="#TypeAnnotator-246"><span class="linenos">246</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">,</span> +</span><span id="TypeAnnotator-247"><a href="#TypeAnnotator-247"><span class="linenos">247</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToStr</span><span class="p">,</span> +</span><span id="TypeAnnotator-248"><a href="#TypeAnnotator-248"><span class="linenos">248</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TimeToTimeStr</span><span class="p">,</span> +</span><span id="TypeAnnotator-249"><a href="#TypeAnnotator-249"><span class="linenos">249</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">,</span> +</span><span id="TypeAnnotator-250"><a href="#TypeAnnotator-250"><span class="linenos">250</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDateStr</span><span class="p">,</span> +</span><span id="TypeAnnotator-251"><a href="#TypeAnnotator-251"><span class="linenos">251</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToStr</span><span class="p">,</span> +</span><span id="TypeAnnotator-252"><a href="#TypeAnnotator-252"><span class="linenos">252</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">UnixToTimeStr</span><span class="p">,</span> +</span><span id="TypeAnnotator-253"><a href="#TypeAnnotator-253"><span class="linenos">253</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Upper</span><span class="p">,</span> +</span><span id="TypeAnnotator-254"><a href="#TypeAnnotator-254"><span class="linenos">254</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-255"><a href="#TypeAnnotator-255"><span class="linenos">255</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-256"><a href="#TypeAnnotator-256"><span class="linenos">256</span></a> +</span><span id="TypeAnnotator-257"><a href="#TypeAnnotator-257"><span class="linenos">257</span></a> <span class="n">ANNOTATORS</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator-258"><a href="#TypeAnnotator-258"><span class="linenos">258</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="TypeAnnotator-259"><a href="#TypeAnnotator-259"><span class="linenos">259</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_unary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="TypeAnnotator-260"><a href="#TypeAnnotator-260"><span class="linenos">260</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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">Alias</span><span class="p">))</span> +</span><span id="TypeAnnotator-261"><a href="#TypeAnnotator-261"><span class="linenos">261</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-262"><a href="#TypeAnnotator-262"><span class="linenos">262</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="TypeAnnotator-263"><a href="#TypeAnnotator-263"><span class="linenos">263</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_binary</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="TypeAnnotator-264"><a href="#TypeAnnotator-264"><span class="linenos">264</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</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="TypeAnnotator-265"><a href="#TypeAnnotator-265"><span class="linenos">265</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-266"><a href="#TypeAnnotator-266"><span class="linenos">266</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="TypeAnnotator-267"><a href="#TypeAnnotator-267"><span class="linenos">267</span></a> <span class="n">expr_type</span><span class="p">:</span> <span class="n">_annotate_with_type_lambda</span><span class="p">(</span><span class="n">data_type</span><span class="p">)</span> +</span><span id="TypeAnnotator-268"><a href="#TypeAnnotator-268"><span class="linenos">268</span></a> <span class="k">for</span> <span class="n">data_type</span><span class="p">,</span> <span class="n">expressions</span> <span class="ow">in</span> <span class="n">TYPE_TO_EXPRESSIONS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="TypeAnnotator-269"><a href="#TypeAnnotator-269"><span class="linenos">269</span></a> <span class="k">for</span> <span class="n">expr_type</span> <span class="ow">in</span> <span class="n">expressions</span> +</span><span id="TypeAnnotator-270"><a href="#TypeAnnotator-270"><span class="linenos">270</span></a> <span class="p">},</span> +</span><span id="TypeAnnotator-271"><a href="#TypeAnnotator-271"><span class="linenos">271</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Anonymous</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">),</span> +</span><span id="TypeAnnotator-272"><a href="#TypeAnnotator-272"><span class="linenos">272</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="TypeAnnotator-273"><a href="#TypeAnnotator-273"><span class="linenos">273</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayAgg</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="n">array</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="TypeAnnotator-274"><a href="#TypeAnnotator-274"><span class="linenos">274</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ArrayConcat</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="TypeAnnotator-275"><a href="#TypeAnnotator-275"><span class="linenos">275</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> +</span><span id="TypeAnnotator-276"><a href="#TypeAnnotator-276"><span class="linenos">276</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">,</span> <span class="s2">"ifs"</span><span class="p">),</span> +</span><span id="TypeAnnotator-277"><a href="#TypeAnnotator-277"><span class="linenos">277</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="TypeAnnotator-278"><a href="#TypeAnnotator-278"><span class="linenos">278</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">copy</span><span class="p">()),</span> +</span><span id="TypeAnnotator-279"><a href="#TypeAnnotator-279"><span class="linenos">279</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_dateadd</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="TypeAnnotator-280"><a href="#TypeAnnotator-280"><span class="linenos">280</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateSub</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_dateadd</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="TypeAnnotator-281"><a href="#TypeAnnotator-281"><span class="linenos">281</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="TypeAnnotator-282"><a href="#TypeAnnotator-282"><span class="linenos">282</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Filter</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">),</span> +</span><span id="TypeAnnotator-283"><a href="#TypeAnnotator-283"><span class="linenos">283</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"true"</span><span class="p">,</span> <span class="s2">"false"</span><span class="p">),</span> +</span><span id="TypeAnnotator-284"><a href="#TypeAnnotator-284"><span class="linenos">284</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">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="TypeAnnotator-285"><a href="#TypeAnnotator-285"><span class="linenos">285</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Least</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="TypeAnnotator-286"><a href="#TypeAnnotator-286"><span class="linenos">286</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_literal</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="TypeAnnotator-287"><a href="#TypeAnnotator-287"><span class="linenos">287</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> +</span><span id="TypeAnnotator-288"><a href="#TypeAnnotator-288"><span class="linenos">288</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="TypeAnnotator-289"><a href="#TypeAnnotator-289"><span class="linenos">289</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">),</span> +</span><span id="TypeAnnotator-290"><a href="#TypeAnnotator-290"><span class="linenos">290</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">),</span> +</span><span id="TypeAnnotator-291"><a href="#TypeAnnotator-291"><span class="linenos">291</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Sum</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_by_args</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">,</span> <span class="s2">"expressions"</span><span class="p">,</span> <span class="n">promote</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="TypeAnnotator-292"><a href="#TypeAnnotator-292"><span class="linenos">292</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]),</span> +</span><span id="TypeAnnotator-293"><a href="#TypeAnnotator-293"><span class="linenos">293</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">MAP</span><span class="p">),</span> +</span><span id="TypeAnnotator-294"><a href="#TypeAnnotator-294"><span class="linenos">294</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-295"><a href="#TypeAnnotator-295"><span class="linenos">295</span></a> +</span><span id="TypeAnnotator-296"><a href="#TypeAnnotator-296"><span class="linenos">296</span></a> <span class="n">NESTED_TYPES</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator-297"><a href="#TypeAnnotator-297"><span class="linenos">297</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">ARRAY</span><span class="p">,</span> +</span><span id="TypeAnnotator-298"><a href="#TypeAnnotator-298"><span class="linenos">298</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-299"><a href="#TypeAnnotator-299"><span class="linenos">299</span></a> +</span><span id="TypeAnnotator-300"><a href="#TypeAnnotator-300"><span class="linenos">300</span></a> <span class="c1"># Specifies what types a given type can be coerced into (autofilled)</span> +</span><span id="TypeAnnotator-301"><a href="#TypeAnnotator-301"><span class="linenos">301</span></a> <span class="n">COERCES_TO</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="p">{}</span> </span><span id="TypeAnnotator-302"><a href="#TypeAnnotator-302"><span class="linenos">302</span></a> -</span><span id="TypeAnnotator-303"><a href="#TypeAnnotator-303"><span class="linenos">303</span></a> <span class="n">annotator</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">)</span> -</span><span id="TypeAnnotator-304"><a href="#TypeAnnotator-304"><span class="linenos">304</span></a> -</span><span id="TypeAnnotator-305"><a href="#TypeAnnotator-305"><span class="linenos">305</span></a> <span class="k">return</span> <span class="p">(</span> -</span><span id="TypeAnnotator-306"><a href="#TypeAnnotator-306"><span class="linenos">306</span></a> <span class="n">annotator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator-307"><a href="#TypeAnnotator-307"><span class="linenos">307</span></a> <span class="k">if</span> <span class="n">annotator</span> -</span><span id="TypeAnnotator-308"><a href="#TypeAnnotator-308"><span class="linenos">308</span></a> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">)</span> -</span><span id="TypeAnnotator-309"><a href="#TypeAnnotator-309"><span class="linenos">309</span></a> <span class="p">)</span> -</span><span id="TypeAnnotator-310"><a href="#TypeAnnotator-310"><span class="linenos">310</span></a> -</span><span id="TypeAnnotator-311"><a href="#TypeAnnotator-311"><span class="linenos">311</span></a> <span class="k">def</span> <span class="nf">_annotate_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator-312"><a href="#TypeAnnotator-312"><span class="linenos">312</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">value</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="TypeAnnotator-313"><a href="#TypeAnnotator-313"><span class="linenos">313</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> -</span><span id="TypeAnnotator-314"><a href="#TypeAnnotator-314"><span class="linenos">314</span></a> -</span><span id="TypeAnnotator-315"><a href="#TypeAnnotator-315"><span class="linenos">315</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="TypeAnnotator-316"><a href="#TypeAnnotator-316"><span class="linenos">316</span></a> -</span><span id="TypeAnnotator-317"><a href="#TypeAnnotator-317"><span class="linenos">317</span></a> <span class="k">def</span> <span class="nf">_maybe_coerce</span><span class="p">(</span> -</span><span id="TypeAnnotator-318"><a href="#TypeAnnotator-318"><span class="linenos">318</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">type1</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">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="n">type2</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">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span> -</span><span id="TypeAnnotator-319"><a href="#TypeAnnotator-319"><span class="linenos">319</span></a> <span class="p">)</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">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><span id="TypeAnnotator-320"><a href="#TypeAnnotator-320"><span class="linenos">320</span></a> <span class="n">type1_value</span> <span class="o">=</span> <span class="n">type1</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type1</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type1</span> -</span><span id="TypeAnnotator-321"><a href="#TypeAnnotator-321"><span class="linenos">321</span></a> <span class="n">type2_value</span> <span class="o">=</span> <span class="n">type2</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type2</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type2</span> -</span><span id="TypeAnnotator-322"><a href="#TypeAnnotator-322"><span class="linenos">322</span></a> -</span><span id="TypeAnnotator-323"><a href="#TypeAnnotator-323"><span class="linenos">323</span></a> <span class="c1"># We propagate the NULL / UNKNOWN types upwards if found</span> -</span><span id="TypeAnnotator-324"><a href="#TypeAnnotator-324"><span class="linenos">324</span></a> <span class="k">if</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> -</span><span id="TypeAnnotator-325"><a href="#TypeAnnotator-325"><span class="linenos">325</span></a> <span class="k">return</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">NULL</span> -</span><span id="TypeAnnotator-326"><a href="#TypeAnnotator-326"><span class="linenos">326</span></a> <span class="k">if</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">UNKNOWN</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> -</span><span id="TypeAnnotator-327"><a href="#TypeAnnotator-327"><span class="linenos">327</span></a> <span class="k">return</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">UNKNOWN</span> -</span><span id="TypeAnnotator-328"><a href="#TypeAnnotator-328"><span class="linenos">328</span></a> -</span><span id="TypeAnnotator-329"><a href="#TypeAnnotator-329"><span class="linenos">329</span></a> <span class="k">if</span> <span class="n">type1_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> -</span><span id="TypeAnnotator-330"><a href="#TypeAnnotator-330"><span class="linenos">330</span></a> <span class="k">return</span> <span class="n">type1</span> -</span><span id="TypeAnnotator-331"><a href="#TypeAnnotator-331"><span class="linenos">331</span></a> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> -</span><span id="TypeAnnotator-332"><a href="#TypeAnnotator-332"><span class="linenos">332</span></a> <span class="k">return</span> <span class="n">type2</span> +</span><span id="TypeAnnotator-303"><a href="#TypeAnnotator-303"><span class="linenos">303</span></a> <span class="c1"># Coercion functions for binary operations.</span> +</span><span id="TypeAnnotator-304"><a href="#TypeAnnotator-304"><span class="linenos">304</span></a> <span class="c1"># Map of type pairs to a callable that takes both sides of the binary operation and returns the resulting type.</span> +</span><span id="TypeAnnotator-305"><a href="#TypeAnnotator-305"><span class="linenos">305</span></a> <span class="n">BINARY_COERCIONS</span><span class="p">:</span> <span class="n">BinaryCoercions</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator-306"><a href="#TypeAnnotator-306"><span class="linenos">306</span></a> <span class="o">**</span><span class="n">swap_all</span><span class="p">(</span> +</span><span id="TypeAnnotator-307"><a href="#TypeAnnotator-307"><span class="linenos">307</span></a> <span class="p">{</span> +</span><span id="TypeAnnotator-308"><a href="#TypeAnnotator-308"><span class="linenos">308</span></a> <span class="p">(</span><span class="n">t</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">):</span> <span class="n">_coerce_literal_and_interval</span> +</span><span id="TypeAnnotator-309"><a href="#TypeAnnotator-309"><span class="linenos">309</span></a> <span class="k">for</span> <span class="n">t</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="TypeAnnotator-310"><a href="#TypeAnnotator-310"><span class="linenos">310</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-311"><a href="#TypeAnnotator-311"><span class="linenos">311</span></a> <span class="p">),</span> +</span><span id="TypeAnnotator-312"><a href="#TypeAnnotator-312"><span class="linenos">312</span></a> <span class="o">**</span><span class="n">swap_all</span><span class="p">(</span> +</span><span id="TypeAnnotator-313"><a href="#TypeAnnotator-313"><span class="linenos">313</span></a> <span class="p">{</span> +</span><span id="TypeAnnotator-314"><a href="#TypeAnnotator-314"><span class="linenos">314</span></a> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">):</span> <span class="n">_coerce_date_and_interval</span><span class="p">,</span> +</span><span id="TypeAnnotator-315"><a href="#TypeAnnotator-315"><span class="linenos">315</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-316"><a href="#TypeAnnotator-316"><span class="linenos">316</span></a> <span class="p">),</span> +</span><span id="TypeAnnotator-317"><a href="#TypeAnnotator-317"><span class="linenos">317</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-318"><a href="#TypeAnnotator-318"><span class="linenos">318</span></a> +</span><span id="TypeAnnotator-319"><a href="#TypeAnnotator-319"><span class="linenos">319</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="TypeAnnotator-320"><a href="#TypeAnnotator-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="TypeAnnotator-321"><a href="#TypeAnnotator-321"><span class="linenos">321</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> +</span><span id="TypeAnnotator-322"><a href="#TypeAnnotator-322"><span class="linenos">322</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="TypeAnnotator-323"><a href="#TypeAnnotator-323"><span class="linenos">323</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="TypeAnnotator-324"><a href="#TypeAnnotator-324"><span class="linenos">324</span></a> <span class="n">binary_coercions</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">BinaryCoercions</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="TypeAnnotator-325"><a href="#TypeAnnotator-325"><span class="linenos">325</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="TypeAnnotator-326"><a href="#TypeAnnotator-326"><span class="linenos">326</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> +</span><span id="TypeAnnotator-327"><a href="#TypeAnnotator-327"><span class="linenos">327</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span> <span class="o">=</span> <span class="n">annotators</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ANNOTATORS</span> +</span><span id="TypeAnnotator-328"><a href="#TypeAnnotator-328"><span class="linenos">328</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span> <span class="o">=</span> <span class="n">coerces_to</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">COERCES_TO</span> +</span><span id="TypeAnnotator-329"><a href="#TypeAnnotator-329"><span class="linenos">329</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span> <span class="o">=</span> <span class="n">binary_coercions</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">BINARY_COERCIONS</span> +</span><span id="TypeAnnotator-330"><a href="#TypeAnnotator-330"><span class="linenos">330</span></a> +</span><span id="TypeAnnotator-331"><a href="#TypeAnnotator-331"><span class="linenos">331</span></a> <span class="c1"># Caches the ids of annotated sub-Expressions, to ensure we only visit them once</span> +</span><span id="TypeAnnotator-332"><a href="#TypeAnnotator-332"><span class="linenos">332</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> </span><span id="TypeAnnotator-333"><a href="#TypeAnnotator-333"><span class="linenos">333</span></a> -</span><span id="TypeAnnotator-334"><a href="#TypeAnnotator-334"><span class="linenos">334</span></a> <span class="k">return</span> <span class="n">type2_value</span> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="p">{})</span> <span class="k">else</span> <span class="n">type1_value</span> <span class="c1"># type: ignore</span> -</span><span id="TypeAnnotator-335"><a href="#TypeAnnotator-335"><span class="linenos">335</span></a> -</span><span id="TypeAnnotator-336"><a href="#TypeAnnotator-336"><span class="linenos">336</span></a> <span class="c1"># Note: the following "no_type_check" decorators were added because mypy was yelling due</span> -</span><span id="TypeAnnotator-337"><a href="#TypeAnnotator-337"><span class="linenos">337</span></a> <span class="c1"># to assigning Type values to expression.type (since its getter returns Optional[DataType]).</span> -</span><span id="TypeAnnotator-338"><a href="#TypeAnnotator-338"><span class="linenos">338</span></a> <span class="c1"># This is a known mypy issue: https://github.com/python/mypy/issues/3004</span> +</span><span id="TypeAnnotator-334"><a href="#TypeAnnotator-334"><span class="linenos">334</span></a> <span class="k">def</span> <span class="nf">_set_type</span><span class="p">(</span> +</span><span id="TypeAnnotator-335"><a href="#TypeAnnotator-335"><span class="linenos">335</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span> +</span><span id="TypeAnnotator-336"><a href="#TypeAnnotator-336"><span class="linenos">336</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="TypeAnnotator-337"><a href="#TypeAnnotator-337"><span class="linenos">337</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">target_type</span> <span class="c1"># type: ignore</span> +</span><span id="TypeAnnotator-338"><a href="#TypeAnnotator-338"><span class="linenos">338</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> </span><span id="TypeAnnotator-339"><a href="#TypeAnnotator-339"><span class="linenos">339</span></a> -</span><span id="TypeAnnotator-340"><a href="#TypeAnnotator-340"><span class="linenos">340</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="TypeAnnotator-341"><a href="#TypeAnnotator-341"><span class="linenos">341</span></a> <span class="k">def</span> <span class="nf">_annotate_binary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">B</span><span class="p">)</span> <span class="o">-></span> <span class="n">B</span><span class="p">:</span> -</span><span id="TypeAnnotator-342"><a href="#TypeAnnotator-342"><span class="linenos">342</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator-343"><a href="#TypeAnnotator-343"><span class="linenos">343</span></a> -</span><span id="TypeAnnotator-344"><a href="#TypeAnnotator-344"><span class="linenos">344</span></a> <span class="n">left_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> -</span><span id="TypeAnnotator-345"><a href="#TypeAnnotator-345"><span class="linenos">345</span></a> <span class="n">right_type</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> -</span><span id="TypeAnnotator-346"><a href="#TypeAnnotator-346"><span class="linenos">346</span></a> -</span><span id="TypeAnnotator-347"><a href="#TypeAnnotator-347"><span class="linenos">347</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="TypeAnnotator-348"><a href="#TypeAnnotator-348"><span class="linenos">348</span></a> <span class="k">if</span> <span class="n">left_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span> <span class="ow">and</span> <span class="n">right_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">:</span> -</span><span id="TypeAnnotator-349"><a href="#TypeAnnotator-349"><span class="linenos">349</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">)</span> -</span><span id="TypeAnnotator-350"><a href="#TypeAnnotator-350"><span class="linenos">350</span></a> <span class="k">elif</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">):</span> -</span><span id="TypeAnnotator-351"><a href="#TypeAnnotator-351"><span class="linenos">351</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> -</span><span id="TypeAnnotator-352"><a href="#TypeAnnotator-352"><span class="linenos">352</span></a> <span class="n">expression</span><span class="p">,</span> -</span><span id="TypeAnnotator-353"><a href="#TypeAnnotator-353"><span class="linenos">353</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"NULLABLE"</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"BOOLEAN"</span><span class="p">)),</span> -</span><span id="TypeAnnotator-354"><a href="#TypeAnnotator-354"><span class="linenos">354</span></a> <span class="p">)</span> -</span><span id="TypeAnnotator-355"><a href="#TypeAnnotator-355"><span class="linenos">355</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator-356"><a href="#TypeAnnotator-356"><span class="linenos">356</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> -</span><span id="TypeAnnotator-357"><a href="#TypeAnnotator-357"><span class="linenos">357</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">Predicate</span><span class="p">):</span> -</span><span id="TypeAnnotator-358"><a href="#TypeAnnotator-358"><span class="linenos">358</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> -</span><span id="TypeAnnotator-359"><a href="#TypeAnnotator-359"><span class="linenos">359</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator-360"><a href="#TypeAnnotator-360"><span class="linenos">360</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">))</span> -</span><span id="TypeAnnotator-361"><a href="#TypeAnnotator-361"><span class="linenos">361</span></a> -</span><span id="TypeAnnotator-362"><a href="#TypeAnnotator-362"><span class="linenos">362</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="TypeAnnotator-363"><a href="#TypeAnnotator-363"><span class="linenos">363</span></a> -</span><span id="TypeAnnotator-364"><a href="#TypeAnnotator-364"><span class="linenos">364</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="TypeAnnotator-365"><a href="#TypeAnnotator-365"><span class="linenos">365</span></a> <span class="k">def</span> <span class="nf">_annotate_unary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator-366"><a href="#TypeAnnotator-366"><span class="linenos">366</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator-367"><a href="#TypeAnnotator-367"><span class="linenos">367</span></a> -</span><span id="TypeAnnotator-368"><a href="#TypeAnnotator-368"><span class="linenos">368</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">Condition</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> -</span><span id="TypeAnnotator-369"><a href="#TypeAnnotator-369"><span class="linenos">369</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> -</span><span id="TypeAnnotator-370"><a href="#TypeAnnotator-370"><span class="linenos">370</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator-371"><a href="#TypeAnnotator-371"><span class="linenos">371</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> -</span><span id="TypeAnnotator-372"><a href="#TypeAnnotator-372"><span class="linenos">372</span></a> -</span><span id="TypeAnnotator-373"><a href="#TypeAnnotator-373"><span class="linenos">373</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-340"><a href="#TypeAnnotator-340"><span class="linenos">340</span></a> <span class="k">def</span> <span class="nf">annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator-341"><a href="#TypeAnnotator-341"><span class="linenos">341</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="TypeAnnotator-342"><a href="#TypeAnnotator-342"><span class="linenos">342</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="TypeAnnotator-343"><a href="#TypeAnnotator-343"><span class="linenos">343</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="TypeAnnotator-344"><a href="#TypeAnnotator-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="TypeAnnotator-345"><a href="#TypeAnnotator-345"><span class="linenos">345</span></a> <span class="k">continue</span> +</span><span id="TypeAnnotator-346"><a href="#TypeAnnotator-346"><span class="linenos">346</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> +</span><span id="TypeAnnotator-347"><a href="#TypeAnnotator-347"><span class="linenos">347</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="TypeAnnotator-348"><a href="#TypeAnnotator-348"><span class="linenos">348</span></a> +</span><span id="TypeAnnotator-349"><a href="#TypeAnnotator-349"><span class="linenos">349</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lateral</span><span class="p">):</span> +</span><span id="TypeAnnotator-350"><a href="#TypeAnnotator-350"><span class="linenos">350</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">):</span> +</span><span id="TypeAnnotator-351"><a href="#TypeAnnotator-351"><span class="linenos">351</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">]</span> +</span><span id="TypeAnnotator-352"><a href="#TypeAnnotator-352"><span class="linenos">352</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-353"><a href="#TypeAnnotator-353"><span class="linenos">353</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</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><span id="TypeAnnotator-354"><a href="#TypeAnnotator-354"><span class="linenos">354</span></a> +</span><span id="TypeAnnotator-355"><a href="#TypeAnnotator-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">values</span><span class="p">:</span> +</span><span id="TypeAnnotator-356"><a href="#TypeAnnotator-356"><span class="linenos">356</span></a> <span class="k">continue</span> +</span><span id="TypeAnnotator-357"><a href="#TypeAnnotator-357"><span class="linenos">357</span></a> +</span><span id="TypeAnnotator-358"><a href="#TypeAnnotator-358"><span class="linenos">358</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator-359"><a href="#TypeAnnotator-359"><span class="linenos">359</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">column</span> +</span><span id="TypeAnnotator-360"><a href="#TypeAnnotator-360"><span class="linenos">360</span></a> <span class="k">for</span> <span class="n">alias</span><span class="p">,</span> <span class="n">column</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> +</span><span id="TypeAnnotator-361"><a href="#TypeAnnotator-361"><span class="linenos">361</span></a> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span> +</span><span id="TypeAnnotator-362"><a href="#TypeAnnotator-362"><span class="linenos">362</span></a> <span class="n">values</span><span class="p">,</span> +</span><span id="TypeAnnotator-363"><a href="#TypeAnnotator-363"><span class="linenos">363</span></a> <span class="p">)</span> +</span><span id="TypeAnnotator-364"><a href="#TypeAnnotator-364"><span class="linenos">364</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-365"><a href="#TypeAnnotator-365"><span class="linenos">365</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-366"><a href="#TypeAnnotator-366"><span class="linenos">366</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator-367"><a href="#TypeAnnotator-367"><span class="linenos">367</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span> +</span><span id="TypeAnnotator-368"><a href="#TypeAnnotator-368"><span class="linenos">368</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator-369"><a href="#TypeAnnotator-369"><span class="linenos">369</span></a> +</span><span id="TypeAnnotator-370"><a href="#TypeAnnotator-370"><span class="linenos">370</span></a> <span class="c1"># First annotate the current scope's column references</span> +</span><span id="TypeAnnotator-371"><a href="#TypeAnnotator-371"><span class="linenos">371</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="TypeAnnotator-372"><a href="#TypeAnnotator-372"><span class="linenos">372</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> +</span><span id="TypeAnnotator-373"><a href="#TypeAnnotator-373"><span class="linenos">373</span></a> <span class="k">continue</span> </span><span id="TypeAnnotator-374"><a href="#TypeAnnotator-374"><span class="linenos">374</span></a> -</span><span id="TypeAnnotator-375"><a href="#TypeAnnotator-375"><span class="linenos">375</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="TypeAnnotator-376"><a href="#TypeAnnotator-376"><span class="linenos">376</span></a> <span class="k">def</span> <span class="nf">_annotate_literal</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> -</span><span id="TypeAnnotator-377"><a href="#TypeAnnotator-377"><span class="linenos">377</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="TypeAnnotator-378"><a href="#TypeAnnotator-378"><span class="linenos">378</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> -</span><span id="TypeAnnotator-379"><a href="#TypeAnnotator-379"><span class="linenos">379</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_int</span><span class="p">:</span> -</span><span id="TypeAnnotator-380"><a href="#TypeAnnotator-380"><span class="linenos">380</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">)</span> -</span><span id="TypeAnnotator-381"><a href="#TypeAnnotator-381"><span class="linenos">381</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator-382"><a href="#TypeAnnotator-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> +</span><span id="TypeAnnotator-375"><a href="#TypeAnnotator-375"><span class="linenos">375</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> +</span><span id="TypeAnnotator-376"><a href="#TypeAnnotator-376"><span class="linenos">376</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="TypeAnnotator-377"><a href="#TypeAnnotator-377"><span class="linenos">377</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">get_column_type</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">col</span><span class="p">))</span> +</span><span id="TypeAnnotator-378"><a href="#TypeAnnotator-378"><span class="linenos">378</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span> <span class="ow">in</span> <span class="n">selects</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">]:</span> +</span><span id="TypeAnnotator-379"><a href="#TypeAnnotator-379"><span class="linenos">379</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">][</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> +</span><span id="TypeAnnotator-380"><a href="#TypeAnnotator-380"><span class="linenos">380</span></a> +</span><span id="TypeAnnotator-381"><a href="#TypeAnnotator-381"><span class="linenos">381</span></a> <span class="c1"># Then (possibly) annotate the remaining expressions in the scope</span> +</span><span id="TypeAnnotator-382"><a href="#TypeAnnotator-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> </span><span id="TypeAnnotator-383"><a href="#TypeAnnotator-383"><span class="linenos">383</span></a> -</span><span id="TypeAnnotator-384"><a href="#TypeAnnotator-384"><span class="linenos">384</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-384"><a href="#TypeAnnotator-384"><span class="linenos">384</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="c1"># This takes care of non-traversable expressions</span> </span><span id="TypeAnnotator-385"><a href="#TypeAnnotator-385"><span class="linenos">385</span></a> -</span><span id="TypeAnnotator-386"><a href="#TypeAnnotator-386"><span class="linenos">386</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="TypeAnnotator-387"><a href="#TypeAnnotator-387"><span class="linenos">387</span></a> <span class="k">def</span> <span class="nf">_annotate_with_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator-388"><a href="#TypeAnnotator-388"><span class="linenos">388</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">)</span> -</span><span id="TypeAnnotator-389"><a href="#TypeAnnotator-389"><span class="linenos">389</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator-390"><a href="#TypeAnnotator-390"><span class="linenos">390</span></a> -</span><span id="TypeAnnotator-391"><a href="#TypeAnnotator-391"><span class="linenos">391</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> -</span><span id="TypeAnnotator-392"><a href="#TypeAnnotator-392"><span class="linenos">392</span></a> <span class="k">def</span> <span class="nf">_annotate_by_args</span><span class="p">(</span> -</span><span id="TypeAnnotator-393"><a href="#TypeAnnotator-393"><span class="linenos">393</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">promote</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">array</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="TypeAnnotator-394"><a href="#TypeAnnotator-394"><span class="linenos">394</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator-395"><a href="#TypeAnnotator-395"><span class="linenos">395</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator-396"><a href="#TypeAnnotator-396"><span class="linenos">396</span></a> -</span><span id="TypeAnnotator-397"><a href="#TypeAnnotator-397"><span class="linenos">397</span></a> <span class="n">expressions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="TypeAnnotator-398"><a href="#TypeAnnotator-398"><span class="linenos">398</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span><span class="p">:</span> -</span><span id="TypeAnnotator-399"><a href="#TypeAnnotator-399"><span class="linenos">399</span></a> <span class="n">arg_expr</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><span id="TypeAnnotator-400"><a href="#TypeAnnotator-400"><span class="linenos">400</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">expr</span> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">ensure_list</span><span class="p">(</span><span class="n">arg_expr</span><span class="p">)</span> <span class="k">if</span> <span class="n">expr</span><span class="p">)</span> +</span><span id="TypeAnnotator-386"><a href="#TypeAnnotator-386"><span class="linenos">386</span></a> <span class="k">def</span> <span class="nf">_maybe_annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator-387"><a href="#TypeAnnotator-387"><span class="linenos">387</span></a> <span class="k">if</span> <span class="nb">id</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> +</span><span id="TypeAnnotator-388"><a href="#TypeAnnotator-388"><span class="linenos">388</span></a> <span class="k">return</span> <span class="n">expression</span> <span class="c1"># We've already inferred the expression's type</span> +</span><span id="TypeAnnotator-389"><a href="#TypeAnnotator-389"><span class="linenos">389</span></a> +</span><span id="TypeAnnotator-390"><a href="#TypeAnnotator-390"><span class="linenos">390</span></a> <span class="n">annotator</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">)</span> +</span><span id="TypeAnnotator-391"><a href="#TypeAnnotator-391"><span class="linenos">391</span></a> +</span><span id="TypeAnnotator-392"><a href="#TypeAnnotator-392"><span class="linenos">392</span></a> <span class="k">return</span> <span class="p">(</span> +</span><span id="TypeAnnotator-393"><a href="#TypeAnnotator-393"><span class="linenos">393</span></a> <span class="n">annotator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator-394"><a href="#TypeAnnotator-394"><span class="linenos">394</span></a> <span class="k">if</span> <span class="n">annotator</span> +</span><span id="TypeAnnotator-395"><a href="#TypeAnnotator-395"><span class="linenos">395</span></a> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_with_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">UNKNOWN</span><span class="p">)</span> +</span><span id="TypeAnnotator-396"><a href="#TypeAnnotator-396"><span class="linenos">396</span></a> <span class="p">)</span> +</span><span id="TypeAnnotator-397"><a href="#TypeAnnotator-397"><span class="linenos">397</span></a> +</span><span id="TypeAnnotator-398"><a href="#TypeAnnotator-398"><span class="linenos">398</span></a> <span class="k">def</span> <span class="nf">_annotate_args</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator-399"><a href="#TypeAnnotator-399"><span class="linenos">399</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">value</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="TypeAnnotator-400"><a href="#TypeAnnotator-400"><span class="linenos">400</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> </span><span id="TypeAnnotator-401"><a href="#TypeAnnotator-401"><span class="linenos">401</span></a> -</span><span id="TypeAnnotator-402"><a href="#TypeAnnotator-402"><span class="linenos">402</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="TypeAnnotator-403"><a href="#TypeAnnotator-403"><span class="linenos">403</span></a> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span> -</span><span id="TypeAnnotator-404"><a href="#TypeAnnotator-404"><span class="linenos">404</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">last_datatype</span> <span class="ow">or</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">,</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> -</span><span id="TypeAnnotator-405"><a href="#TypeAnnotator-405"><span class="linenos">405</span></a> -</span><span id="TypeAnnotator-406"><a href="#TypeAnnotator-406"><span class="linenos">406</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">last_datatype</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">UNKNOWN</span><span class="p">)</span> -</span><span id="TypeAnnotator-407"><a href="#TypeAnnotator-407"><span class="linenos">407</span></a> -</span><span id="TypeAnnotator-408"><a href="#TypeAnnotator-408"><span class="linenos">408</span></a> <span class="k">if</span> <span class="n">promote</span><span class="p">:</span> -</span><span id="TypeAnnotator-409"><a href="#TypeAnnotator-409"><span class="linenos">409</span></a> <span class="k">if</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="TypeAnnotator-410"><a href="#TypeAnnotator-410"><span class="linenos">410</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BIGINT</span><span class="p">)</span> -</span><span id="TypeAnnotator-411"><a href="#TypeAnnotator-411"><span class="linenos">411</span></a> <span class="k">elif</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">FLOAT_TYPES</span><span class="p">:</span> -</span><span id="TypeAnnotator-412"><a href="#TypeAnnotator-412"><span class="linenos">412</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> -</span><span id="TypeAnnotator-413"><a href="#TypeAnnotator-413"><span class="linenos">413</span></a> -</span><span id="TypeAnnotator-414"><a href="#TypeAnnotator-414"><span class="linenos">414</span></a> <span class="k">if</span> <span class="n">array</span><span class="p">:</span> -</span><span id="TypeAnnotator-415"><a href="#TypeAnnotator-415"><span class="linenos">415</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> -</span><span id="TypeAnnotator-416"><a href="#TypeAnnotator-416"><span class="linenos">416</span></a> <span class="n">expression</span><span class="p">,</span> -</span><span id="TypeAnnotator-417"><a href="#TypeAnnotator-417"><span class="linenos">417</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">(</span> -</span><span id="TypeAnnotator-418"><a href="#TypeAnnotator-418"><span class="linenos">418</span></a> <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">ARRAY</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="p">],</span> <span class="n">nested</span><span class="o">=</span><span class="kc">True</span> -</span><span id="TypeAnnotator-419"><a href="#TypeAnnotator-419"><span class="linenos">419</span></a> <span class="p">),</span> -</span><span id="TypeAnnotator-420"><a href="#TypeAnnotator-420"><span class="linenos">420</span></a> <span class="p">)</span> -</span><span id="TypeAnnotator-421"><a href="#TypeAnnotator-421"><span class="linenos">421</span></a> -</span><span id="TypeAnnotator-422"><a href="#TypeAnnotator-422"><span class="linenos">422</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-402"><a href="#TypeAnnotator-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-403"><a href="#TypeAnnotator-403"><span class="linenos">403</span></a> +</span><span id="TypeAnnotator-404"><a href="#TypeAnnotator-404"><span class="linenos">404</span></a> <span class="k">def</span> <span class="nf">_maybe_coerce</span><span class="p">(</span> +</span><span id="TypeAnnotator-405"><a href="#TypeAnnotator-405"><span class="linenos">405</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">type1</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">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="n">type2</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">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span> +</span><span id="TypeAnnotator-406"><a href="#TypeAnnotator-406"><span class="linenos">406</span></a> <span class="p">)</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">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><span id="TypeAnnotator-407"><a href="#TypeAnnotator-407"><span class="linenos">407</span></a> <span class="n">type1_value</span> <span class="o">=</span> <span class="n">type1</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type1</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type1</span> +</span><span id="TypeAnnotator-408"><a href="#TypeAnnotator-408"><span class="linenos">408</span></a> <span class="n">type2_value</span> <span class="o">=</span> <span class="n">type2</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">type2</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="k">else</span> <span class="n">type2</span> +</span><span id="TypeAnnotator-409"><a href="#TypeAnnotator-409"><span class="linenos">409</span></a> +</span><span id="TypeAnnotator-410"><a href="#TypeAnnotator-410"><span class="linenos">410</span></a> <span class="c1"># We propagate the NULL / UNKNOWN types upwards if found</span> +</span><span id="TypeAnnotator-411"><a href="#TypeAnnotator-411"><span class="linenos">411</span></a> <span class="k">if</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> +</span><span id="TypeAnnotator-412"><a href="#TypeAnnotator-412"><span class="linenos">412</span></a> <span class="k">return</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">NULL</span> +</span><span id="TypeAnnotator-413"><a href="#TypeAnnotator-413"><span class="linenos">413</span></a> <span class="k">if</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">UNKNOWN</span> <span class="ow">in</span> <span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="n">type2_value</span><span class="p">):</span> +</span><span id="TypeAnnotator-414"><a href="#TypeAnnotator-414"><span class="linenos">414</span></a> <span class="k">return</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">UNKNOWN</span> +</span><span id="TypeAnnotator-415"><a href="#TypeAnnotator-415"><span class="linenos">415</span></a> +</span><span id="TypeAnnotator-416"><a href="#TypeAnnotator-416"><span class="linenos">416</span></a> <span class="k">if</span> <span class="n">type1_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> +</span><span id="TypeAnnotator-417"><a href="#TypeAnnotator-417"><span class="linenos">417</span></a> <span class="k">return</span> <span class="n">type1</span> +</span><span id="TypeAnnotator-418"><a href="#TypeAnnotator-418"><span class="linenos">418</span></a> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">NESTED_TYPES</span><span class="p">:</span> +</span><span id="TypeAnnotator-419"><a href="#TypeAnnotator-419"><span class="linenos">419</span></a> <span class="k">return</span> <span class="n">type2</span> +</span><span id="TypeAnnotator-420"><a href="#TypeAnnotator-420"><span class="linenos">420</span></a> +</span><span id="TypeAnnotator-421"><a href="#TypeAnnotator-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="n">type2_value</span> <span class="k">if</span> <span class="n">type2_value</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">type1_value</span><span class="p">,</span> <span class="p">{})</span> <span class="k">else</span> <span class="n">type1_value</span> <span class="c1"># type: ignore</span> +</span><span id="TypeAnnotator-422"><a href="#TypeAnnotator-422"><span class="linenos">422</span></a> +</span><span id="TypeAnnotator-423"><a href="#TypeAnnotator-423"><span class="linenos">423</span></a> <span class="c1"># Note: the following "no_type_check" decorators were added because mypy was yelling due</span> +</span><span id="TypeAnnotator-424"><a href="#TypeAnnotator-424"><span class="linenos">424</span></a> <span class="c1"># to assigning Type values to expression.type (since its getter returns Optional[DataType]).</span> +</span><span id="TypeAnnotator-425"><a href="#TypeAnnotator-425"><span class="linenos">425</span></a> <span class="c1"># This is a known mypy issue: https://github.com/python/mypy/issues/3004</span> +</span><span id="TypeAnnotator-426"><a href="#TypeAnnotator-426"><span class="linenos">426</span></a> +</span><span id="TypeAnnotator-427"><a href="#TypeAnnotator-427"><span class="linenos">427</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="TypeAnnotator-428"><a href="#TypeAnnotator-428"><span class="linenos">428</span></a> <span class="k">def</span> <span class="nf">_annotate_binary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">B</span><span class="p">)</span> <span class="o">-></span> <span class="n">B</span><span class="p">:</span> +</span><span id="TypeAnnotator-429"><a href="#TypeAnnotator-429"><span class="linenos">429</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator-430"><a href="#TypeAnnotator-430"><span class="linenos">430</span></a> +</span><span id="TypeAnnotator-431"><a href="#TypeAnnotator-431"><span class="linenos">431</span></a> <span class="n">left</span><span class="p">,</span> <span class="n">right</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">right</span> +</span><span id="TypeAnnotator-432"><a href="#TypeAnnotator-432"><span class="linenos">432</span></a> <span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">right</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> +</span><span id="TypeAnnotator-433"><a href="#TypeAnnotator-433"><span class="linenos">433</span></a> +</span><span id="TypeAnnotator-434"><a href="#TypeAnnotator-434"><span class="linenos">434</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="TypeAnnotator-435"><a href="#TypeAnnotator-435"><span class="linenos">435</span></a> <span class="k">if</span> <span class="n">left_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span> <span class="ow">and</span> <span class="n">right_type</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">:</span> +</span><span id="TypeAnnotator-436"><a href="#TypeAnnotator-436"><span class="linenos">436</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">NULL</span><span class="p">)</span> +</span><span id="TypeAnnotator-437"><a href="#TypeAnnotator-437"><span class="linenos">437</span></a> <span class="k">elif</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">NULL</span> <span class="ow">in</span> <span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">):</span> +</span><span id="TypeAnnotator-438"><a href="#TypeAnnotator-438"><span class="linenos">438</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> +</span><span id="TypeAnnotator-439"><a href="#TypeAnnotator-439"><span class="linenos">439</span></a> <span class="n">expression</span><span class="p">,</span> +</span><span id="TypeAnnotator-440"><a href="#TypeAnnotator-440"><span class="linenos">440</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"NULLABLE"</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"BOOLEAN"</span><span class="p">)),</span> +</span><span id="TypeAnnotator-441"><a href="#TypeAnnotator-441"><span class="linenos">441</span></a> <span class="p">)</span> +</span><span id="TypeAnnotator-442"><a href="#TypeAnnotator-442"><span class="linenos">442</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-443"><a href="#TypeAnnotator-443"><span class="linenos">443</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> +</span><span id="TypeAnnotator-444"><a href="#TypeAnnotator-444"><span class="linenos">444</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">Predicate</span><span class="p">):</span> +</span><span id="TypeAnnotator-445"><a href="#TypeAnnotator-445"><span class="linenos">445</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> +</span><span id="TypeAnnotator-446"><a href="#TypeAnnotator-446"><span class="linenos">446</span></a> <span class="k">elif</span> <span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span><span class="p">:</span> +</span><span id="TypeAnnotator-447"><a href="#TypeAnnotator-447"><span class="linenos">447</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span><span class="p">[(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">)](</span><span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">))</span> +</span><span id="TypeAnnotator-448"><a href="#TypeAnnotator-448"><span class="linenos">448</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-449"><a href="#TypeAnnotator-449"><span class="linenos">449</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">left_type</span><span class="p">,</span> <span class="n">right_type</span><span class="p">))</span> +</span><span id="TypeAnnotator-450"><a href="#TypeAnnotator-450"><span class="linenos">450</span></a> +</span><span id="TypeAnnotator-451"><a href="#TypeAnnotator-451"><span class="linenos">451</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-452"><a href="#TypeAnnotator-452"><span class="linenos">452</span></a> +</span><span id="TypeAnnotator-453"><a href="#TypeAnnotator-453"><span class="linenos">453</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="TypeAnnotator-454"><a href="#TypeAnnotator-454"><span class="linenos">454</span></a> <span class="k">def</span> <span class="nf">_annotate_unary</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator-455"><a href="#TypeAnnotator-455"><span class="linenos">455</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator-456"><a href="#TypeAnnotator-456"><span class="linenos">456</span></a> +</span><span id="TypeAnnotator-457"><a href="#TypeAnnotator-457"><span class="linenos">457</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">Condition</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> +</span><span id="TypeAnnotator-458"><a href="#TypeAnnotator-458"><span class="linenos">458</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BOOLEAN</span><span class="p">)</span> +</span><span id="TypeAnnotator-459"><a href="#TypeAnnotator-459"><span class="linenos">459</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-460"><a href="#TypeAnnotator-460"><span class="linenos">460</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> +</span><span id="TypeAnnotator-461"><a href="#TypeAnnotator-461"><span class="linenos">461</span></a> +</span><span id="TypeAnnotator-462"><a href="#TypeAnnotator-462"><span class="linenos">462</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-463"><a href="#TypeAnnotator-463"><span class="linenos">463</span></a> +</span><span id="TypeAnnotator-464"><a href="#TypeAnnotator-464"><span class="linenos">464</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="TypeAnnotator-465"><a href="#TypeAnnotator-465"><span class="linenos">465</span></a> <span class="k">def</span> <span class="nf">_annotate_literal</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">:</span> +</span><span id="TypeAnnotator-466"><a href="#TypeAnnotator-466"><span class="linenos">466</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="TypeAnnotator-467"><a href="#TypeAnnotator-467"><span class="linenos">467</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="TypeAnnotator-468"><a href="#TypeAnnotator-468"><span class="linenos">468</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_int</span><span class="p">:</span> +</span><span id="TypeAnnotator-469"><a href="#TypeAnnotator-469"><span class="linenos">469</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">)</span> +</span><span id="TypeAnnotator-470"><a href="#TypeAnnotator-470"><span class="linenos">470</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-471"><a href="#TypeAnnotator-471"><span class="linenos">471</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> +</span><span id="TypeAnnotator-472"><a href="#TypeAnnotator-472"><span class="linenos">472</span></a> +</span><span id="TypeAnnotator-473"><a href="#TypeAnnotator-473"><span class="linenos">473</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-474"><a href="#TypeAnnotator-474"><span class="linenos">474</span></a> +</span><span id="TypeAnnotator-475"><a href="#TypeAnnotator-475"><span class="linenos">475</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="TypeAnnotator-476"><a href="#TypeAnnotator-476"><span class="linenos">476</span></a> <span class="k">def</span> <span class="nf">_annotate_with_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">target_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator-477"><a href="#TypeAnnotator-477"><span class="linenos">477</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">target_type</span><span class="p">)</span> +</span><span id="TypeAnnotator-478"><a href="#TypeAnnotator-478"><span class="linenos">478</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator-479"><a href="#TypeAnnotator-479"><span class="linenos">479</span></a> +</span><span id="TypeAnnotator-480"><a href="#TypeAnnotator-480"><span class="linenos">480</span></a> <span class="nd">@t</span><span class="o">.</span><span class="n">no_type_check</span> +</span><span id="TypeAnnotator-481"><a href="#TypeAnnotator-481"><span class="linenos">481</span></a> <span class="k">def</span> <span class="nf">_annotate_by_args</span><span class="p">(</span> +</span><span id="TypeAnnotator-482"><a href="#TypeAnnotator-482"><span class="linenos">482</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">promote</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">array</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="TypeAnnotator-483"><a href="#TypeAnnotator-483"><span class="linenos">483</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator-484"><a href="#TypeAnnotator-484"><span class="linenos">484</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator-485"><a href="#TypeAnnotator-485"><span class="linenos">485</span></a> +</span><span id="TypeAnnotator-486"><a href="#TypeAnnotator-486"><span class="linenos">486</span></a> <span class="n">expressions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="TypeAnnotator-487"><a href="#TypeAnnotator-487"><span class="linenos">487</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span><span class="p">:</span> +</span><span id="TypeAnnotator-488"><a href="#TypeAnnotator-488"><span class="linenos">488</span></a> <span class="n">arg_expr</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><span id="TypeAnnotator-489"><a href="#TypeAnnotator-489"><span class="linenos">489</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">expr</span> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">ensure_list</span><span class="p">(</span><span class="n">arg_expr</span><span class="p">)</span> <span class="k">if</span> <span class="n">expr</span><span class="p">)</span> +</span><span id="TypeAnnotator-490"><a href="#TypeAnnotator-490"><span class="linenos">490</span></a> +</span><span id="TypeAnnotator-491"><a href="#TypeAnnotator-491"><span class="linenos">491</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="TypeAnnotator-492"><a href="#TypeAnnotator-492"><span class="linenos">492</span></a> <span class="k">for</span> <span class="n">expr</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span> +</span><span id="TypeAnnotator-493"><a href="#TypeAnnotator-493"><span class="linenos">493</span></a> <span class="n">last_datatype</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_coerce</span><span class="p">(</span><span class="n">last_datatype</span> <span class="ow">or</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">,</span> <span class="n">expr</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> +</span><span id="TypeAnnotator-494"><a href="#TypeAnnotator-494"><span class="linenos">494</span></a> +</span><span id="TypeAnnotator-495"><a href="#TypeAnnotator-495"><span class="linenos">495</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">last_datatype</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">UNKNOWN</span><span class="p">)</span> +</span><span id="TypeAnnotator-496"><a href="#TypeAnnotator-496"><span class="linenos">496</span></a> +</span><span id="TypeAnnotator-497"><a href="#TypeAnnotator-497"><span class="linenos">497</span></a> <span class="k">if</span> <span class="n">promote</span><span class="p">:</span> +</span><span id="TypeAnnotator-498"><a href="#TypeAnnotator-498"><span class="linenos">498</span></a> <span class="k">if</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="TypeAnnotator-499"><a href="#TypeAnnotator-499"><span class="linenos">499</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BIGINT</span><span class="p">)</span> +</span><span id="TypeAnnotator-500"><a href="#TypeAnnotator-500"><span class="linenos">500</span></a> <span class="k">elif</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">FLOAT_TYPES</span><span class="p">:</span> +</span><span id="TypeAnnotator-501"><a href="#TypeAnnotator-501"><span class="linenos">501</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</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">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DOUBLE</span><span class="p">)</span> +</span><span id="TypeAnnotator-502"><a href="#TypeAnnotator-502"><span class="linenos">502</span></a> +</span><span id="TypeAnnotator-503"><a href="#TypeAnnotator-503"><span class="linenos">503</span></a> <span class="k">if</span> <span class="n">array</span><span class="p">:</span> +</span><span id="TypeAnnotator-504"><a href="#TypeAnnotator-504"><span class="linenos">504</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span> +</span><span id="TypeAnnotator-505"><a href="#TypeAnnotator-505"><span class="linenos">505</span></a> <span class="n">expression</span><span class="p">,</span> +</span><span id="TypeAnnotator-506"><a href="#TypeAnnotator-506"><span class="linenos">506</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">(</span> +</span><span id="TypeAnnotator-507"><a href="#TypeAnnotator-507"><span class="linenos">507</span></a> <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">ARRAY</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="p">],</span> <span class="n">nested</span><span class="o">=</span><span class="kc">True</span> +</span><span id="TypeAnnotator-508"><a href="#TypeAnnotator-508"><span class="linenos">508</span></a> <span class="p">),</span> +</span><span id="TypeAnnotator-509"><a href="#TypeAnnotator-509"><span class="linenos">509</span></a> <span class="p">)</span> +</span><span id="TypeAnnotator-510"><a href="#TypeAnnotator-510"><span class="linenos">510</span></a> +</span><span id="TypeAnnotator-511"><a href="#TypeAnnotator-511"><span class="linenos">511</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="TypeAnnotator-512"><a href="#TypeAnnotator-512"><span class="linenos">512</span></a> +</span><span id="TypeAnnotator-513"><a href="#TypeAnnotator-513"><span class="linenos">513</span></a> <span class="k">def</span> <span class="nf">_annotate_dateadd</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntervalOp</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">IntervalOp</span><span class="p">:</span> +</span><span id="TypeAnnotator-514"><a href="#TypeAnnotator-514"><span class="linenos">514</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_annotate_args</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator-515"><a href="#TypeAnnotator-515"><span class="linenos">515</span></a> +</span><span id="TypeAnnotator-516"><a href="#TypeAnnotator-516"><span class="linenos">516</span></a> <span class="k">if</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 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="TypeAnnotator-517"><a href="#TypeAnnotator-517"><span class="linenos">517</span></a> <span class="n">datatype</span> <span class="o">=</span> <span class="n">_coerce_literal_and_interval</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">interval</span><span class="p">())</span> +</span><span id="TypeAnnotator-518"><a href="#TypeAnnotator-518"><span class="linenos">518</span></a> <span class="k">elif</span> <span class="p">(</span> +</span><span id="TypeAnnotator-519"><a href="#TypeAnnotator-519"><span class="linenos">519</span></a> <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">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span> +</span><span id="TypeAnnotator-520"><a href="#TypeAnnotator-520"><span class="linenos">520</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">DATE_UNITS</span> +</span><span id="TypeAnnotator-521"><a href="#TypeAnnotator-521"><span class="linenos">521</span></a> <span class="p">):</span> +</span><span id="TypeAnnotator-522"><a href="#TypeAnnotator-522"><span class="linenos">522</span></a> <span class="n">datatype</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><span id="TypeAnnotator-523"><a href="#TypeAnnotator-523"><span class="linenos">523</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator-524"><a href="#TypeAnnotator-524"><span class="linenos">524</span></a> <span class="n">datatype</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><span id="TypeAnnotator-525"><a href="#TypeAnnotator-525"><span class="linenos">525</span></a> +</span><span id="TypeAnnotator-526"><a href="#TypeAnnotator-526"><span class="linenos">526</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">datatype</span><span class="p">)</span> +</span><span id="TypeAnnotator-527"><a href="#TypeAnnotator-527"><span class="linenos">527</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -944,24 +1158,26 @@ <input id="TypeAnnotator.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> <div class="attr function"> - <span class="name">TypeAnnotator</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n"><a href="../schema.html#Schema">sqlglot.schema.Schema</a></span>,</span><span class="param"> <span class="n">annotators</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">],</span> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="#TypeAnnotator">TypeAnnotator</a></span><span class="p">,</span> <span class="o">~</span><span class="n">E</span><span class="p">],</span> <span class="o">~</span><span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">coerces_to</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n">Set</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span></span>)</span> + <span class="name">TypeAnnotator</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n"><a href="../schema.html#Schema">sqlglot.schema.Schema</a></span>,</span><span class="param"> <span class="n">annotators</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">],</span> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="#TypeAnnotator">TypeAnnotator</a></span><span class="p">,</span> <span class="o">~</span><span class="n">E</span><span class="p">],</span> <span class="o">~</span><span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">coerces_to</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n">Set</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">binary_coercions</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="n">Tuple</span><span class="p">[</span><span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">],</span> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n"><a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span></span>)</span> <label class="view-source-button" for="TypeAnnotator.__init__-view-source"><span>View Source</span></label> </div> <a class="headerlink" href="#TypeAnnotator.__init__"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="TypeAnnotator.__init__-236"><a href="#TypeAnnotator.__init__-236"><span class="linenos">236</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> -</span><span id="TypeAnnotator.__init__-237"><a href="#TypeAnnotator.__init__-237"><span class="linenos">237</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="TypeAnnotator.__init__-238"><a href="#TypeAnnotator.__init__-238"><span class="linenos">238</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> -</span><span id="TypeAnnotator.__init__-239"><a href="#TypeAnnotator.__init__-239"><span class="linenos">239</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="TypeAnnotator.__init__-240"><a href="#TypeAnnotator.__init__-240"><span class="linenos">240</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="TypeAnnotator.__init__-241"><a href="#TypeAnnotator.__init__-241"><span class="linenos">241</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="TypeAnnotator.__init__-242"><a href="#TypeAnnotator.__init__-242"><span class="linenos">242</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> -</span><span id="TypeAnnotator.__init__-243"><a href="#TypeAnnotator.__init__-243"><span class="linenos">243</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span> <span class="o">=</span> <span class="n">annotators</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ANNOTATORS</span> -</span><span id="TypeAnnotator.__init__-244"><a href="#TypeAnnotator.__init__-244"><span class="linenos">244</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span> <span class="o">=</span> <span class="n">coerces_to</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">COERCES_TO</span> -</span><span id="TypeAnnotator.__init__-245"><a href="#TypeAnnotator.__init__-245"><span class="linenos">245</span></a> -</span><span id="TypeAnnotator.__init__-246"><a href="#TypeAnnotator.__init__-246"><span class="linenos">246</span></a> <span class="c1"># Caches the ids of annotated sub-Expressions, to ensure we only visit them once</span> -</span><span id="TypeAnnotator.__init__-247"><a href="#TypeAnnotator.__init__-247"><span class="linenos">247</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="TypeAnnotator.__init__-319"><a href="#TypeAnnotator.__init__-319"><span class="linenos">319</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="TypeAnnotator.__init__-320"><a href="#TypeAnnotator.__init__-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="TypeAnnotator.__init__-321"><a href="#TypeAnnotator.__init__-321"><span class="linenos">321</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> +</span><span id="TypeAnnotator.__init__-322"><a href="#TypeAnnotator.__init__-322"><span class="linenos">322</span></a> <span class="n">annotators</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">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</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">TypeAnnotator</span><span class="p">,</span> <span class="n">E</span><span class="p">],</span> <span class="n">E</span><span class="p">]]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="TypeAnnotator.__init__-323"><a href="#TypeAnnotator.__init__-323"><span class="linenos">323</span></a> <span class="n">coerces_to</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">t</span><span class="o">.</span><span class="n">Dict</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="n">t</span><span class="o">.</span><span class="n">Set</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="TypeAnnotator.__init__-324"><a href="#TypeAnnotator.__init__-324"><span class="linenos">324</span></a> <span class="n">binary_coercions</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">BinaryCoercions</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="TypeAnnotator.__init__-325"><a href="#TypeAnnotator.__init__-325"><span class="linenos">325</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="TypeAnnotator.__init__-326"><a href="#TypeAnnotator.__init__-326"><span class="linenos">326</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> +</span><span id="TypeAnnotator.__init__-327"><a href="#TypeAnnotator.__init__-327"><span class="linenos">327</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">annotators</span> <span class="o">=</span> <span class="n">annotators</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">ANNOTATORS</span> +</span><span id="TypeAnnotator.__init__-328"><a href="#TypeAnnotator.__init__-328"><span class="linenos">328</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">coerces_to</span> <span class="o">=</span> <span class="n">coerces_to</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">COERCES_TO</span> +</span><span id="TypeAnnotator.__init__-329"><a href="#TypeAnnotator.__init__-329"><span class="linenos">329</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">binary_coercions</span> <span class="o">=</span> <span class="n">binary_coercions</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">BINARY_COERCIONS</span> +</span><span id="TypeAnnotator.__init__-330"><a href="#TypeAnnotator.__init__-330"><span class="linenos">330</span></a> +</span><span id="TypeAnnotator.__init__-331"><a href="#TypeAnnotator.__init__-331"><span class="linenos">331</span></a> <span class="c1"># Caches the ids of annotated sub-Expressions, to ensure we only visit them once</span> +</span><span id="TypeAnnotator.__init__-332"><a href="#TypeAnnotator.__init__-332"><span class="linenos">332</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_visited</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> </span></pre></div> @@ -972,7 +1188,7 @@ <div class="attr variable"> <span class="name">TYPE_TO_EXPRESSIONS</span><span class="annotation">: Dict[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>, Set[Type[<a href="../expressions.html#Expression">sqlglot.expressions.Expression</a>]]]</span> = <input id="TypeAnnotator.TYPE_TO_EXPRESSIONS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="TypeAnnotator.TYPE_TO_EXPRESSIONS-view-value"></label><span class="default_value">{<Type.BIGINT: 'BIGINT'>: {<class '<a href="../expressions.html#Count">sqlglot.expressions.Count</a>'>, <class '<a href="../expressions.html#Length">sqlglot.expressions.Length</a>'>, <class '<a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a>'>, <class '<a href="../expressions.html#ArraySize">sqlglot.expressions.ArraySize</a>'>}, <Type.BOOLEAN: 'BOOLEAN'>: {<class '<a href="../expressions.html#RegexpLike">sqlglot.expressions.RegexpLike</a>'>, <class '<a href="../expressions.html#Between">sqlglot.expressions.Between</a>'>, <class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>, <class '<a href="../expressions.html#Boolean">sqlglot.expressions.Boolean</a>'>}, <Type.DATE: 'DATE'>: {<class '<a href="../expressions.html#Date">sqlglot.expressions.Date</a>'>, <class '<a href="../expressions.html#DateSub">sqlglot.expressions.DateSub</a>'>, <class '<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>'>, <class '<a href="../expressions.html#StrToDate">sqlglot.expressions.StrToDate</a>'>, <class '<a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a>'>, <class '<a href="../expressions.html#TimeStrToDate">sqlglot.expressions.TimeStrToDate</a>'>, <class '<a href="../expressions.html#DiToDate">sqlglot.expressions.DiToDate</a>'>, <class '<a href="../expressions.html#TsOrDsToDate">sqlglot.expressions.TsOrDsToDate</a>'>, <class '<a href="../expressions.html#DateTrunc">sqlglot.expressions.DateTrunc</a>'>, <class '<a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a>'>, <class '<a href="../expressions.html#DateFromParts">sqlglot.expressions.DateFromParts</a>'>}, <Type.DATETIME: 'DATETIME'>: {<class '<a href="../expressions.html#CurrentDatetime">sqlglot.expressions.CurrentDatetime</a>'>, <class '<a href="../expressions.html#DatetimeSub">sqlglot.expressions.DatetimeSub</a>'>, <class '<a href="../expressions.html#DatetimeAdd">sqlglot.expressions.DatetimeAdd</a>'>}, <Type.DOUBLE: 'DOUBLE'>: {<class '<a href="../expressions.html#Round">sqlglot.expressions.Round</a>'>, <class '<a href="../expressions.html#Stddev">sqlglot.expressions.Stddev</a>'>, <class '<a href="../expressions.html#Log10">sqlglot.expressions.Log10</a>'>, <class '<a href="../expressions.html#Sqrt">sqlglot.expressions.Sqrt</a>'>, <class '<a href="../expressions.html#Log2">sqlglot.expressions.Log2</a>'>, <class '<a href="../expressions.html#Pow">sqlglot.expressions.Pow</a>'>, <class '<a href="../expressions.html#Log">sqlglot.expressions.Log</a>'>, <class '<a href="../expressions.html#Exp">sqlglot.expressions.Exp</a>'>, <class '<a href="../expressions.html#Ln">sqlglot.expressions.Ln</a>'>, <class '<a href="../expressions.html#StddevSamp">sqlglot.expressions.StddevSamp</a>'>, <class '<a href="../expressions.html#Avg">sqlglot.expressions.Avg</a>'>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>, <class '<a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a>'>, <class '<a href="../expressions.html#ApproxQuantile">sqlglot.expressions.ApproxQuantile</a>'>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>, <class '<a href="../expressions.html#StddevPop">sqlglot.expressions.StddevPop</a>'>, <class '<a href="../expressions.html#Quantile">sqlglot.expressions.Quantile</a>'>}, <Type.INT: 'INT'>: {<class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>, <class '<a href="../expressions.html#TimeDiff">sqlglot.expressions.TimeDiff</a>'>, <class '<a href="../expressions.html#DateToDi">sqlglot.expressions.DateToDi</a>'>, <class '<a href="../expressions.html#Floor">sqlglot.expressions.Floor</a>'>, <class '<a href="../expressions.html#Extract">sqlglot.expressions.Extract</a>'>, <class '<a href="../expressions.html#DatetimeDiff">sqlglot.expressions.DatetimeDiff</a>'>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>, <class '<a href="../expressions.html#Ceil">sqlglot.expressions.Ceil</a>'>, <class '<a href="../expressions.html#TsOrDiToDi">sqlglot.expressions.TsOrDiToDi</a>'>, <class '<a href="../expressions.html#TimestampDiff">sqlglot.expressions.TimestampDiff</a>'>, <class '<a href="../expressions.html#Levenshtein">sqlglot.expressions.Levenshtein</a>'>}, <Type.TIMESTAMP: 'TIMESTAMP'>: {<class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>, <class '<a href="../expressions.html#TimeSub">sqlglot.expressions.TimeSub</a>'>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>, <class '<a href="../expressions.html#TimeAdd">sqlglot.expressions.TimeAdd</a>'>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>, <class '<a href="../expressions.html#CurrentTime">sqlglot.expressions.CurrentTime</a>'>, <class '<a href="../expressions.html#TimestampSub">sqlglot.expressions.TimestampSub</a>'>, <class '<a href="../expressions.html#TimestampAdd">sqlglot.expressions.TimestampAdd</a>'>}, <Type.TINYINT: 'TINYINT'>: {<class '<a href="../expressions.html#Year">sqlglot.expressions.Year</a>'>, <class '<a href="../expressions.html#Week">sqlglot.expressions.Week</a>'>, <class '<a href="../expressions.html#Month">sqlglot.expressions.Month</a>'>, <class '<a href="../expressions.html#Day">sqlglot.expressions.Day</a>'>}, <Type.VARCHAR: 'VARCHAR'>: {<class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>, <class '<a href="../expressions.html#UnixToTimeStr">sqlglot.expressions.UnixToTimeStr</a>'>, <class '<a href="../expressions.html#Initcap">sqlglot.expressions.Initcap</a>'>, <class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>, <class '<a href="../expressions.html#DateToDateStr">sqlglot.expressions.DateToDateStr</a>'>, <class '<a href="../expressions.html#UnixToStr">sqlglot.expressions.UnixToStr</a>'>, <class '<a href="../expressions.html#SafeConcat">sqlglot.expressions.SafeConcat</a>'>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>, <class '<a href="../expressions.html#TsOrDsToDateStr">sqlglot.expressions.TsOrDsToDateStr</a>'>, <class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>, <class '<a href="../expressions.html#TimeToTimeStr">sqlglot.expressions.TimeToTimeStr</a>'>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>, <class '<a href="../expressions.html#Lower">sqlglot.expressions.Lower</a>'>, <class '<a href="../expressions.html#Upper">sqlglot.expressions.Upper</a>'>}}</span> + <label class="view-value-button pdoc-button" for="TypeAnnotator.TYPE_TO_EXPRESSIONS-view-value"></label><span class="default_value">{<Type.BIGINT: 'BIGINT'>: {<class '<a href="../expressions.html#Count">sqlglot.expressions.Count</a>'>, <class '<a href="../expressions.html#ArraySize">sqlglot.expressions.ArraySize</a>'>, <class '<a href="../expressions.html#Length">sqlglot.expressions.Length</a>'>, <class '<a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a>'>}, <Type.BOOLEAN: 'BOOLEAN'>: {<class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>, <class '<a href="../expressions.html#Boolean">sqlglot.expressions.Boolean</a>'>, <class '<a href="../expressions.html#RegexpLike">sqlglot.expressions.RegexpLike</a>'>, <class '<a href="../expressions.html#Between">sqlglot.expressions.Between</a>'>}, <Type.DATE: 'DATE'>: {<class '<a href="../expressions.html#DiToDate">sqlglot.expressions.DiToDate</a>'>, <class '<a href="../expressions.html#Date">sqlglot.expressions.Date</a>'>, <class '<a href="../expressions.html#DateTrunc">sqlglot.expressions.DateTrunc</a>'>, <class '<a href="../expressions.html#StrToDate">sqlglot.expressions.StrToDate</a>'>, <class '<a href="../expressions.html#TimeStrToDate">sqlglot.expressions.TimeStrToDate</a>'>, <class '<a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a>'>, <class '<a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a>'>, <class '<a href="../expressions.html#TsOrDsToDate">sqlglot.expressions.TsOrDsToDate</a>'>, <class '<a href="../expressions.html#DateFromParts">sqlglot.expressions.DateFromParts</a>'>}, <Type.DATETIME: 'DATETIME'>: {<class '<a href="../expressions.html#DatetimeAdd">sqlglot.expressions.DatetimeAdd</a>'>, <class '<a href="../expressions.html#DatetimeSub">sqlglot.expressions.DatetimeSub</a>'>, <class '<a href="../expressions.html#CurrentDatetime">sqlglot.expressions.CurrentDatetime</a>'>}, <Type.DOUBLE: 'DOUBLE'>: {<class '<a href="../expressions.html#StddevSamp">sqlglot.expressions.StddevSamp</a>'>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>, <class '<a href="../expressions.html#StddevPop">sqlglot.expressions.StddevPop</a>'>, <class '<a href="../expressions.html#Log2">sqlglot.expressions.Log2</a>'>, <class '<a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a>'>, <class '<a href="../expressions.html#ApproxQuantile">sqlglot.expressions.ApproxQuantile</a>'>, <class '<a href="../expressions.html#Stddev">sqlglot.expressions.Stddev</a>'>, <class '<a href="../expressions.html#Quantile">sqlglot.expressions.Quantile</a>'>, <class '<a href="../expressions.html#Sqrt">sqlglot.expressions.Sqrt</a>'>, <class '<a href="../expressions.html#Round">sqlglot.expressions.Round</a>'>, <class '<a href="../expressions.html#Log10">sqlglot.expressions.Log10</a>'>, <class '<a href="../expressions.html#Avg">sqlglot.expressions.Avg</a>'>, <class '<a href="../expressions.html#Pow">sqlglot.expressions.Pow</a>'>, <class '<a href="../expressions.html#Exp">sqlglot.expressions.Exp</a>'>, <class '<a href="../expressions.html#Log">sqlglot.expressions.Log</a>'>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>, <class '<a href="../expressions.html#Ln">sqlglot.expressions.Ln</a>'>}, <Type.INT: 'INT'>: {<class '<a href="../expressions.html#Levenshtein">sqlglot.expressions.Levenshtein</a>'>, <class '<a href="../expressions.html#TimeDiff">sqlglot.expressions.TimeDiff</a>'>, <class '<a href="../expressions.html#DatetimeDiff">sqlglot.expressions.DatetimeDiff</a>'>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>, <class '<a href="../expressions.html#DateToDi">sqlglot.expressions.DateToDi</a>'>, <class '<a href="../expressions.html#Floor">sqlglot.expressions.Floor</a>'>, <class '<a href="../expressions.html#TimestampDiff">sqlglot.expressions.TimestampDiff</a>'>, <class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>, <class '<a href="../expressions.html#Ceil">sqlglot.expressions.Ceil</a>'>, <class '<a href="../expressions.html#TsOrDiToDi">sqlglot.expressions.TsOrDiToDi</a>'>, <class '<a href="../expressions.html#Extract">sqlglot.expressions.Extract</a>'>}, <Type.TIMESTAMP: 'TIMESTAMP'>: {<class '<a href="../expressions.html#Timestamp">sqlglot.expressions.Timestamp</a>'>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>, <class '<a href="../expressions.html#TimeSub">sqlglot.expressions.TimeSub</a>'>, <class '<a href="../expressions.html#TimeAdd">sqlglot.expressions.TimeAdd</a>'>, <class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>, <class '<a href="../expressions.html#CurrentTime">sqlglot.expressions.CurrentTime</a>'>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>, <class '<a href="../expressions.html#TimestampSub">sqlglot.expressions.TimestampSub</a>'>, <class '<a href="../expressions.html#TimestampAdd">sqlglot.expressions.TimestampAdd</a>'>}, <Type.TINYINT: 'TINYINT'>: {<class '<a href="../expressions.html#Week">sqlglot.expressions.Week</a>'>, <class '<a href="../expressions.html#Day">sqlglot.expressions.Day</a>'>, <class '<a href="../expressions.html#Month">sqlglot.expressions.Month</a>'>, <class '<a href="../expressions.html#Year">sqlglot.expressions.Year</a>'>}, <Type.VARCHAR: 'VARCHAR'>: {<class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>, <class '<a href="../expressions.html#TsOrDsToDateStr">sqlglot.expressions.TsOrDsToDateStr</a>'>, <class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>, <class '<a href="../expressions.html#Upper">sqlglot.expressions.Upper</a>'>, <class '<a href="../expressions.html#SafeConcat">sqlglot.expressions.SafeConcat</a>'>, <class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>, <class '<a href="../expressions.html#UnixToTimeStr">sqlglot.expressions.UnixToTimeStr</a>'>, <class '<a href="../expressions.html#Lower">sqlglot.expressions.Lower</a>'>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>, <class '<a href="../expressions.html#Initcap">sqlglot.expressions.Initcap</a>'>, <class '<a href="../expressions.html#UnixToStr">sqlglot.expressions.UnixToStr</a>'>, <class '<a href="../expressions.html#DateToDateStr">sqlglot.expressions.DateToDateStr</a>'>, <class '<a href="../expressions.html#SafeDPipe">sqlglot.expressions.SafeDPipe</a>'>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>, <class '<a href="../expressions.html#TimeToTimeStr">sqlglot.expressions.TimeToTimeStr</a>'>}}</span> </div> @@ -985,7 +1201,7 @@ <div class="attr variable"> <span class="name">ANNOTATORS</span><span class="annotation">: Dict</span> = <input id="TypeAnnotator.ANNOTATORS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="TypeAnnotator.ANNOTATORS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#Alias">sqlglot.expressions.Alias</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseNot">sqlglot.expressions.BitwiseNot</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Neg">sqlglot.expressions.Neg</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Not">sqlglot.expressions.Not</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Paren">sqlglot.expressions.Paren</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Unary">sqlglot.expressions.Unary</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Add">sqlglot.expressions.Add</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#And">sqlglot.expressions.And</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ArrayContained">sqlglot.expressions.ArrayContained</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ArrayContains">sqlglot.expressions.ArrayContains</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ArrayOverlaps">sqlglot.expressions.ArrayOverlaps</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Binary">sqlglot.expressions.Binary</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseAnd">sqlglot.expressions.BitwiseAnd</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseLeftShift">sqlglot.expressions.BitwiseLeftShift</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseOr">sqlglot.expressions.BitwiseOr</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseRightShift">sqlglot.expressions.BitwiseRightShift</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseXor">sqlglot.expressions.BitwiseXor</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Collate">sqlglot.expressions.Collate</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Connector">sqlglot.expressions.Connector</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#DPipe">sqlglot.expressions.DPipe</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a 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<function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#If">sqlglot.expressions.If</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Interval">sqlglot.expressions.Interval</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Least">sqlglot.expressions.Least</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Literal">sqlglot.expressions.Literal</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Map">sqlglot.expressions.Map</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Max">sqlglot.expressions.Max</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Min">sqlglot.expressions.Min</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Null">sqlglot.expressions.Null</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Sum">sqlglot.expressions.Sum</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#TryCast">sqlglot.expressions.TryCast</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#VarMap">sqlglot.expressions.VarMap</a>'>: <function TypeAnnotator.<lambda>>}</span> </div> @@ -1010,7 +1226,7 @@ <div class="attr variable"> <span class="name">COERCES_TO</span><span class="annotation">: Dict[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>, Set[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>]]</span> = <input id="TypeAnnotator.COERCES_TO-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="TypeAnnotator.COERCES_TO-view-value"></label><span class="default_value">{<Type.TEXT: 'TEXT'>: set(), <Type.NVARCHAR: 'NVARCHAR'>: {<Type.TEXT: 'TEXT'>}, <Type.VARCHAR: 'VARCHAR'>: {<Type.NVARCHAR: 'NVARCHAR'>, <Type.TEXT: 'TEXT'>}, 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'TIMESTAMPLTZ'>, <Type.TIMESTAMP: 'TIMESTAMP'>}, <Type.DATE: 'DATE'>: {<Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.DATETIME: 'DATETIME'>, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMP: 'TIMESTAMP'>}}</span> </div> @@ -1019,6 +1235,19 @@ </div> + <div id="TypeAnnotator.BINARY_COERCIONS" class="classattr"> + <div class="attr variable"> + <span class="name">BINARY_COERCIONS</span><span class="annotation">: Dict[Tuple[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>, <a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>], Callable[[<a href="../expressions.html#Expression">sqlglot.expressions.Expression</a>, <a href="../expressions.html#Expression">sqlglot.expressions.Expression</a>], <a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>]]</span> = +<input id="TypeAnnotator.BINARY_COERCIONS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> + <label class="view-value-button pdoc-button" for="TypeAnnotator.BINARY_COERCIONS-view-value"></label><span class="default_value">{(<Type.TEXT: 'TEXT'>, <Type.INTERVAL: 'INTERVAL'>): <function _coerce_literal_and_interval>, (<Type.NVARCHAR: 'NVARCHAR'>, <Type.INTERVAL: 'INTERVAL'>): <function _coerce_literal_and_interval>, (<Type.VARCHAR: 'VARCHAR'>, <Type.INTERVAL: 'INTERVAL'>): <function _coerce_literal_and_interval>, (<Type.CHAR: 'CHAR'>, <Type.INTERVAL: 'INTERVAL'>): <function _coerce_literal_and_interval>, (<Type.NCHAR: 'NCHAR'>, <Type.INTERVAL: 'INTERVAL'>): <function _coerce_literal_and_interval>, (<Type.INTERVAL: 'INTERVAL'>, <Type.TEXT: 'TEXT'>): <function _coerce_literal_and_interval>, (<Type.INTERVAL: 'INTERVAL'>, <Type.NVARCHAR: 'NVARCHAR'>): <function _coerce_literal_and_interval>, (<Type.INTERVAL: 'INTERVAL'>, <Type.VARCHAR: 'VARCHAR'>): <function _coerce_literal_and_interval>, (<Type.INTERVAL: 'INTERVAL'>, <Type.CHAR: 'CHAR'>): <function _coerce_literal_and_interval>, (<Type.INTERVAL: 'INTERVAL'>, <Type.NCHAR: 'NCHAR'>): <function _coerce_literal_and_interval>, (<Type.DATE: 'DATE'>, <Type.INTERVAL: 'INTERVAL'>): <function _coerce_date_and_interval>, (<Type.INTERVAL: 'INTERVAL'>, <Type.DATE: 'DATE'>): <function _coerce_date_and_interval>}</span> + + + </div> + <a class="headerlink" href="#TypeAnnotator.BINARY_COERCIONS"></a> + + + + </div> <div id="TypeAnnotator.schema" class="classattr"> <div class="attr variable"> <span class="name">schema</span> @@ -1052,6 +1281,17 @@ </div> + <div id="TypeAnnotator.binary_coercions" class="classattr"> + <div class="attr variable"> + <span class="name">binary_coercions</span> + + + </div> + <a class="headerlink" href="#TypeAnnotator.binary_coercions"></a> + + + + </div> <div id="TypeAnnotator.annotate" class="classattr"> <input id="TypeAnnotator.annotate-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> <div class="attr function"> @@ -1063,51 +1303,51 @@ </div> <a class="headerlink" href="#TypeAnnotator.annotate"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="TypeAnnotator.annotate-253"><a href="#TypeAnnotator.annotate-253"><span class="linenos">253</span></a> <span class="k">def</span> <span class="nf">annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="TypeAnnotator.annotate-254"><a href="#TypeAnnotator.annotate-254"><span class="linenos">254</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="TypeAnnotator.annotate-255"><a href="#TypeAnnotator.annotate-255"><span class="linenos">255</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="TypeAnnotator.annotate-256"><a href="#TypeAnnotator.annotate-256"><span class="linenos">256</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="TypeAnnotator.annotate-257"><a href="#TypeAnnotator.annotate-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> -</span><span id="TypeAnnotator.annotate-258"><a href="#TypeAnnotator.annotate-258"><span class="linenos">258</span></a> <span class="k">continue</span> -</span><span id="TypeAnnotator.annotate-259"><a href="#TypeAnnotator.annotate-259"><span class="linenos">259</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> -</span><span id="TypeAnnotator.annotate-260"><a href="#TypeAnnotator.annotate-260"><span class="linenos">260</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="TypeAnnotator.annotate-261"><a href="#TypeAnnotator.annotate-261"><span class="linenos">261</span></a> -</span><span id="TypeAnnotator.annotate-262"><a href="#TypeAnnotator.annotate-262"><span class="linenos">262</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lateral</span><span class="p">):</span> -</span><span id="TypeAnnotator.annotate-263"><a href="#TypeAnnotator.annotate-263"><span class="linenos">263</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">):</span> -</span><span id="TypeAnnotator.annotate-264"><a href="#TypeAnnotator.annotate-264"><span class="linenos">264</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">]</span> -</span><span id="TypeAnnotator.annotate-265"><a href="#TypeAnnotator.annotate-265"><span class="linenos">265</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator.annotate-266"><a href="#TypeAnnotator.annotate-266"><span class="linenos">266</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</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><span id="TypeAnnotator.annotate-267"><a href="#TypeAnnotator.annotate-267"><span class="linenos">267</span></a> -</span><span id="TypeAnnotator.annotate-268"><a href="#TypeAnnotator.annotate-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">values</span><span class="p">:</span> -</span><span id="TypeAnnotator.annotate-269"><a href="#TypeAnnotator.annotate-269"><span class="linenos">269</span></a> <span class="k">continue</span> -</span><span id="TypeAnnotator.annotate-270"><a href="#TypeAnnotator.annotate-270"><span class="linenos">270</span></a> -</span><span id="TypeAnnotator.annotate-271"><a href="#TypeAnnotator.annotate-271"><span class="linenos">271</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="TypeAnnotator.annotate-272"><a href="#TypeAnnotator.annotate-272"><span class="linenos">272</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">column</span> -</span><span id="TypeAnnotator.annotate-273"><a href="#TypeAnnotator.annotate-273"><span class="linenos">273</span></a> <span class="k">for</span> <span class="n">alias</span><span class="p">,</span> <span class="n">column</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> -</span><span id="TypeAnnotator.annotate-274"><a href="#TypeAnnotator.annotate-274"><span class="linenos">274</span></a> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span> -</span><span id="TypeAnnotator.annotate-275"><a href="#TypeAnnotator.annotate-275"><span class="linenos">275</span></a> <span class="n">values</span><span class="p">,</span> -</span><span id="TypeAnnotator.annotate-276"><a href="#TypeAnnotator.annotate-276"><span class="linenos">276</span></a> <span class="p">)</span> -</span><span id="TypeAnnotator.annotate-277"><a href="#TypeAnnotator.annotate-277"><span class="linenos">277</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator.annotate-278"><a href="#TypeAnnotator.annotate-278"><span class="linenos">278</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="TypeAnnotator.annotate-279"><a href="#TypeAnnotator.annotate-279"><span class="linenos">279</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="TypeAnnotator.annotate-280"><a href="#TypeAnnotator.annotate-280"><span class="linenos">280</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span> -</span><span id="TypeAnnotator.annotate-281"><a href="#TypeAnnotator.annotate-281"><span class="linenos">281</span></a> <span class="p">}</span> -</span><span id="TypeAnnotator.annotate-282"><a href="#TypeAnnotator.annotate-282"><span class="linenos">282</span></a> -</span><span id="TypeAnnotator.annotate-283"><a href="#TypeAnnotator.annotate-283"><span class="linenos">283</span></a> <span class="c1"># First annotate the current scope's column references</span> -</span><span id="TypeAnnotator.annotate-284"><a href="#TypeAnnotator.annotate-284"><span class="linenos">284</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="TypeAnnotator.annotate-285"><a href="#TypeAnnotator.annotate-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> -</span><span id="TypeAnnotator.annotate-286"><a href="#TypeAnnotator.annotate-286"><span class="linenos">286</span></a> <span class="k">continue</span> -</span><span id="TypeAnnotator.annotate-287"><a href="#TypeAnnotator.annotate-287"><span class="linenos">287</span></a> -</span><span id="TypeAnnotator.annotate-288"><a href="#TypeAnnotator.annotate-288"><span class="linenos">288</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> -</span><span id="TypeAnnotator.annotate-289"><a href="#TypeAnnotator.annotate-289"><span class="linenos">289</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="TypeAnnotator.annotate-290"><a href="#TypeAnnotator.annotate-290"><span class="linenos">290</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">get_column_type</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">col</span><span class="p">))</span> -</span><span id="TypeAnnotator.annotate-291"><a href="#TypeAnnotator.annotate-291"><span class="linenos">291</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span> <span class="ow">in</span> <span class="n">selects</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">]:</span> -</span><span id="TypeAnnotator.annotate-292"><a href="#TypeAnnotator.annotate-292"><span class="linenos">292</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">][</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> -</span><span id="TypeAnnotator.annotate-293"><a href="#TypeAnnotator.annotate-293"><span class="linenos">293</span></a> -</span><span id="TypeAnnotator.annotate-294"><a href="#TypeAnnotator.annotate-294"><span class="linenos">294</span></a> <span class="c1"># Then (possibly) annotate the remaining expressions in the scope</span> -</span><span id="TypeAnnotator.annotate-295"><a href="#TypeAnnotator.annotate-295"><span class="linenos">295</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="TypeAnnotator.annotate-296"><a href="#TypeAnnotator.annotate-296"><span class="linenos">296</span></a> -</span><span id="TypeAnnotator.annotate-297"><a href="#TypeAnnotator.annotate-297"><span class="linenos">297</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="c1"># This takes care of non-traversable expressions</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="TypeAnnotator.annotate-340"><a href="#TypeAnnotator.annotate-340"><span class="linenos">340</span></a> <span class="k">def</span> <span class="nf">annotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="TypeAnnotator.annotate-341"><a href="#TypeAnnotator.annotate-341"><span class="linenos">341</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="TypeAnnotator.annotate-342"><a href="#TypeAnnotator.annotate-342"><span class="linenos">342</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="TypeAnnotator.annotate-343"><a href="#TypeAnnotator.annotate-343"><span class="linenos">343</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="TypeAnnotator.annotate-344"><a href="#TypeAnnotator.annotate-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="TypeAnnotator.annotate-345"><a href="#TypeAnnotator.annotate-345"><span class="linenos">345</span></a> <span class="k">continue</span> +</span><span id="TypeAnnotator.annotate-346"><a href="#TypeAnnotator.annotate-346"><span class="linenos">346</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> +</span><span id="TypeAnnotator.annotate-347"><a href="#TypeAnnotator.annotate-347"><span class="linenos">347</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="TypeAnnotator.annotate-348"><a href="#TypeAnnotator.annotate-348"><span class="linenos">348</span></a> +</span><span id="TypeAnnotator.annotate-349"><a href="#TypeAnnotator.annotate-349"><span class="linenos">349</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lateral</span><span class="p">):</span> +</span><span id="TypeAnnotator.annotate-350"><a href="#TypeAnnotator.annotate-350"><span class="linenos">350</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">):</span> +</span><span id="TypeAnnotator.annotate-351"><a href="#TypeAnnotator.annotate-351"><span class="linenos">351</span></a> <span class="n">values</span> <span class="o">=</span> <span class="p">[</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span><span class="p">]</span> +</span><span id="TypeAnnotator.annotate-352"><a href="#TypeAnnotator.annotate-352"><span class="linenos">352</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator.annotate-353"><a href="#TypeAnnotator.annotate-353"><span class="linenos">353</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</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><span id="TypeAnnotator.annotate-354"><a href="#TypeAnnotator.annotate-354"><span class="linenos">354</span></a> +</span><span id="TypeAnnotator.annotate-355"><a href="#TypeAnnotator.annotate-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">values</span><span class="p">:</span> +</span><span id="TypeAnnotator.annotate-356"><a href="#TypeAnnotator.annotate-356"><span class="linenos">356</span></a> <span class="k">continue</span> +</span><span id="TypeAnnotator.annotate-357"><a href="#TypeAnnotator.annotate-357"><span class="linenos">357</span></a> +</span><span id="TypeAnnotator.annotate-358"><a href="#TypeAnnotator.annotate-358"><span class="linenos">358</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator.annotate-359"><a href="#TypeAnnotator.annotate-359"><span class="linenos">359</span></a> <span class="n">alias</span><span class="p">:</span> <span class="n">column</span> +</span><span id="TypeAnnotator.annotate-360"><a href="#TypeAnnotator.annotate-360"><span class="linenos">360</span></a> <span class="k">for</span> <span class="n">alias</span><span class="p">,</span> <span class="n">column</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> +</span><span id="TypeAnnotator.annotate-361"><a href="#TypeAnnotator.annotate-361"><span class="linenos">361</span></a> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span><span class="p">,</span> +</span><span id="TypeAnnotator.annotate-362"><a href="#TypeAnnotator.annotate-362"><span class="linenos">362</span></a> <span class="n">values</span><span class="p">,</span> +</span><span id="TypeAnnotator.annotate-363"><a href="#TypeAnnotator.annotate-363"><span class="linenos">363</span></a> <span class="p">)</span> +</span><span id="TypeAnnotator.annotate-364"><a href="#TypeAnnotator.annotate-364"><span class="linenos">364</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator.annotate-365"><a href="#TypeAnnotator.annotate-365"><span class="linenos">365</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="TypeAnnotator.annotate-366"><a href="#TypeAnnotator.annotate-366"><span class="linenos">366</span></a> <span class="n">selects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="TypeAnnotator.annotate-367"><a href="#TypeAnnotator.annotate-367"><span class="linenos">367</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span> +</span><span id="TypeAnnotator.annotate-368"><a href="#TypeAnnotator.annotate-368"><span class="linenos">368</span></a> <span class="p">}</span> +</span><span id="TypeAnnotator.annotate-369"><a href="#TypeAnnotator.annotate-369"><span class="linenos">369</span></a> +</span><span id="TypeAnnotator.annotate-370"><a href="#TypeAnnotator.annotate-370"><span class="linenos">370</span></a> <span class="c1"># First annotate the current scope's column references</span> +</span><span id="TypeAnnotator.annotate-371"><a href="#TypeAnnotator.annotate-371"><span class="linenos">371</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="TypeAnnotator.annotate-372"><a href="#TypeAnnotator.annotate-372"><span class="linenos">372</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> +</span><span id="TypeAnnotator.annotate-373"><a href="#TypeAnnotator.annotate-373"><span class="linenos">373</span></a> <span class="k">continue</span> +</span><span id="TypeAnnotator.annotate-374"><a href="#TypeAnnotator.annotate-374"><span class="linenos">374</span></a> +</span><span id="TypeAnnotator.annotate-375"><a href="#TypeAnnotator.annotate-375"><span class="linenos">375</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> +</span><span id="TypeAnnotator.annotate-376"><a href="#TypeAnnotator.annotate-376"><span class="linenos">376</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="TypeAnnotator.annotate-377"><a href="#TypeAnnotator.annotate-377"><span class="linenos">377</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">get_column_type</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">col</span><span class="p">))</span> +</span><span id="TypeAnnotator.annotate-378"><a href="#TypeAnnotator.annotate-378"><span class="linenos">378</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span> <span class="ow">in</span> <span class="n">selects</span> <span class="ow">and</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">]:</span> +</span><span id="TypeAnnotator.annotate-379"><a href="#TypeAnnotator.annotate-379"><span class="linenos">379</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_set_type</span><span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">selects</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">][</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">type</span><span class="p">)</span> +</span><span id="TypeAnnotator.annotate-380"><a href="#TypeAnnotator.annotate-380"><span class="linenos">380</span></a> +</span><span id="TypeAnnotator.annotate-381"><a href="#TypeAnnotator.annotate-381"><span class="linenos">381</span></a> <span class="c1"># Then (possibly) annotate the remaining expressions in the scope</span> +</span><span id="TypeAnnotator.annotate-382"><a href="#TypeAnnotator.annotate-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> +</span><span id="TypeAnnotator.annotate-383"><a href="#TypeAnnotator.annotate-383"><span class="linenos">383</span></a> +</span><span id="TypeAnnotator.annotate-384"><a href="#TypeAnnotator.annotate-384"><span class="linenos">384</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_maybe_annotate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> <span class="c1"># This takes care of non-traversable expressions</span> </span></pre></div> |