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1 files changed, 1033 insertions, 1052 deletions
diff --git a/docs/sqlglot/planner.html b/docs/sqlglot/planner.html index c424d7a..d134e38 100644 --- a/docs/sqlglot/planner.html +++ b/docs/sqlglot/planner.html @@ -126,417 +126,410 @@ </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">alias</span><span class="p">,</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.errors</span> <span class="kn">import</span> <span class="n">UnsupportedError</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.optimizer.eliminate_joins</span> <span class="kn">import</span> <span class="n">join_condition</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.eliminate_joins</span> <span class="kn">import</span> <span class="n">join_condition</span> +</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a> </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><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a><span class="k">class</span> <span class="nc">Plan</span><span class="p">:</span> -</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> -</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="nd">@property</span> -</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="k">def</span> <span class="nf">dag</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">Step</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">Step</span><span class="p">]]:</span> -</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span><span class="p">:</span> -</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">}</span> -</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> -</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="k">while</span> <span class="n">nodes</span><span class="p">:</span> -</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">nodes</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> -</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="k">for</span> <span class="n">dep</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> -</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">nodes</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> -</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> <span class="o">=</span> <span class="n">dag</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="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> -</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> -</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="nd">@property</span> -</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="k">def</span> <span class="nf">leaves</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Step</span><span class="p">]:</span> -</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="k">return</span> <span class="p">(</span><span class="n">node</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">deps</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dag</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">deps</span><span class="p">)</span> -</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> -</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"Plan</span><span class="se">\n</span><span class="s2">----</span><span class="se">\n</span><span class="si">{</span><span class="nb">repr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="k">class</span> <span class="nc">Plan</span><span class="p">:</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> +</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="nd">@property</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="k">def</span> <span class="nf">dag</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">Step</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">Step</span><span class="p">]]:</span> +</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span><span class="p">:</span> +</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="n">dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">}</span> +</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="k">while</span> <span class="n">nodes</span><span class="p">:</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">nodes</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="k">for</span> <span class="n">dep</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">nodes</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> <span class="o">=</span> <span class="n">dag</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="nd">@property</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="k">def</span> <span class="nf">leaves</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Step</span><span class="p">]:</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="k">return</span> <span class="p">(</span><span class="n">node</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">deps</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dag</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">deps</span><span class="p">)</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"Plan</span><span class="se">\n</span><span class="s2">----</span><span class="se">\n</span><span class="si">{</span><span class="nb">repr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> </span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> -</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="k">class</span> <span class="nc">Step</span><span class="p">:</span> -</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="nd">@classmethod</span> -</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a><span class="sd"> Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.</span> -</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a><span class="sd"> Note: the expression's tables and subqueries must be aliased for this method to work. For</span> -</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a><span class="sd"> example, given the following expression:</span> -</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> -</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a><span class="sd"> SELECT</span> -</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a><span class="sd"> x.a,</span> -</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a><span class="sd"> SUM(x.b)</span> -</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="sd"> FROM x AS x</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="sd"> JOIN y AS y</span> -</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a><span class="sd"> ON x.a = y.a</span> -</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a><span class="sd"> GROUP BY x.a</span> -</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> -</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a><span class="sd"> the following DAG is produced (the expression IDs might differ per execution):</span> -</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> -</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a><span class="sd"> - Aggregate: x (4347984624)</span> -</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a><span class="sd"> Context:</span> -</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a><span class="sd"> Aggregations:</span> -</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a><span class="sd"> - SUM(x.b)</span> -</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="sd"> Group:</span> -</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a><span class="sd"> - x.a</span> -</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a><span class="sd"> Projections:</span> -</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="sd"> - x.a</span> -</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a><span class="sd"> - "x".""</span> -</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a><span class="sd"> Dependencies:</span> -</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a><span class="sd"> - Join: x (4347985296)</span> -</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a><span class="sd"> Context:</span> -</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a><span class="sd"> y:</span> -</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a><span class="sd"> On: x.a = y.a</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a><span class="sd"> Projections:</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a><span class="sd"> Dependencies:</span> -</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a><span class="sd"> - Scan: x (4347983136)</span> -</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a><span class="sd"> Context:</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a><span class="sd"> Source: x AS x</span> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="sd"> Projections:</span> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="sd"> - Scan: y (4343416624)</span> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a><span class="sd"> Context:</span> -</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a><span class="sd"> Source: y AS y</span> -</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a><span class="sd"> Projections:</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="sd"> Args:</span> -</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a><span class="sd"> expression: the expression to build the DAG from.</span> -</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a><span class="sd"> ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.</span> -</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> -</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a><span class="sd"> Returns:</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a><span class="sd"> A Step DAG corresponding to `expression`.</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a><span class="sd"> """</span> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span> <span class="ow">or</span> <span class="p">{}</span> -</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span> -</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="c1"># CTEs break the mold of scope and introduce themselves to all in the context.</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="n">with_</span><span class="p">:</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">cte</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">ctes</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">step</span> <span class="c1"># type: ignore</span> -</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> -</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">from_</span><span class="p">:</span> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">from_</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">from_</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">raise</span> <span class="n">UnsupportedError</span><span class="p">(</span> -</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="s2">"Multi-from statements are unsupported. Run it through the optimizer"</span> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="p">)</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">from_</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</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">Union</span><span class="p">):</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">SetOperation</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</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="n">joins</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">joins</span><span class="p">:</span> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">join</span> <span class="o">=</span> <span class="n">Join</span><span class="o">.</span><span class="n">from_joins</span><span class="p">(</span><span class="n">joins</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">join</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">join</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">join</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> -</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># final selects in this chain of steps representing a select</span> -</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># intermediate computations of agg funcs eg x + 1 in SUM(x + 1)</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">sequence</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">extract_agg_operands</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">operand</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">():</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">continue</span> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="n">operand</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">operands</span><span class="p">:</span> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"_a_</span><span class="si">{</span><span class="nb">next</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">operand</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">],</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> -</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">aggregations</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a><span class="k">class</span> <span class="nc">Step</span><span class="p">:</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="nd">@classmethod</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a><span class="sd"> Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a><span class="sd"> Note: the expression's tables and subqueries must be aliased for this method to work. For</span> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a><span class="sd"> example, given the following expression:</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a><span class="sd"> SELECT</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a><span class="sd"> x.a,</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a><span class="sd"> SUM(x.b)</span> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a><span class="sd"> FROM x AS x</span> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="sd"> JOIN y AS y</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="sd"> ON x.a = y.a</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a><span class="sd"> GROUP BY x.a</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a><span class="sd"> the following DAG is produced (the expression IDs might differ per execution):</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a><span class="sd"> - Aggregate: x (4347984624)</span> +</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a><span class="sd"> Context:</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a><span class="sd"> Aggregations:</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a><span class="sd"> - SUM(x.b)</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a><span class="sd"> Group:</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="sd"> - x.a</span> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a><span class="sd"> Projections:</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a><span class="sd"> - x.a</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="sd"> - "x".""</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a><span class="sd"> Dependencies:</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a><span class="sd"> - Join: x (4347985296)</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a><span class="sd"> Context:</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a><span class="sd"> y:</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a><span class="sd"> On: x.a = y.a</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a><span class="sd"> Projections:</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a><span class="sd"> Dependencies:</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a><span class="sd"> - Scan: x (4347983136)</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a><span class="sd"> Context:</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a><span class="sd"> Source: x AS x</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a><span class="sd"> Projections:</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="sd"> - Scan: y (4343416624)</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="sd"> Context:</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a><span class="sd"> Source: y AS y</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a><span class="sd"> Projections:</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a><span class="sd"> Args:</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a><span class="sd"> expression: the expression to build the DAG from.</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a><span class="sd"> ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a><span class="sd"> Returns:</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a><span class="sd"> A Step DAG corresponding to `expression`.</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a><span class="sd"> """</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span> <span class="ow">or</span> <span class="p">{}</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="c1"># CTEs break the mold of scope and introduce themselves to all in the context.</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="n">with_</span><span class="p">:</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">cte</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">ctes</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">step</span> <span class="c1"># type: ignore</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">from_</span><span class="p">:</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">from_</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">SetOperation</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">if</span> <span class="n">joins</span><span class="p">:</span> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="n">join</span> <span class="o">=</span> <span class="n">Join</span><span class="o">.</span><span class="n">from_joins</span><span class="p">(</span><span class="n">joins</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="n">join</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">join</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">join</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># final selects in this chain of steps representing a select</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># intermediate computations of agg funcs eg x + 1 in SUM(x + 1)</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">sequence</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">def</span> <span class="nf">extract_agg_operands</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">operand</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">():</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">continue</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="n">operand</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">operands</span><span class="p">:</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"_a_</span><span class="si">{</span><span class="nb">next</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">operand</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">],</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">aggregations</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> </span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span> -</span><span id="L-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">if</span> <span class="n">where</span><span class="p">:</span> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="n">group</span> <span class="ow">or</span> <span class="n">aggregations</span><span class="p">:</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">aggregate</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> </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="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> </span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> -</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">if</span> <span class="n">group</span> <span class="ow">or</span> <span class="n">aggregations</span><span class="p">:</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">aggregate</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">having</span><span class="p">)</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">having</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> -</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">operands</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span> <span class="k">for</span> <span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span> <span class="ow">in</span> <span class="n">operands</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="p">)</span> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">aggregations</span> <span class="o">=</span> <span class="n">aggregations</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="c1"># give aggregates names and replace projections with references to them</span> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="sa">f</span><span class="s2">"_g</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">:</span> <span class="n">e</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">group</span> <span class="k">else</span> <span class="p">[])</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="p">}</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">for</span> <span class="n">child</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">projection</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">if</span> <span class="n">child</span> <span class="o">==</span> <span class="n">e</span><span class="p">:</span> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">child</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">aggregate</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">having</span><span class="p">)</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">having</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">operands</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span> <span class="k">for</span> <span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span> <span class="ow">in</span> <span class="n">operands</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="p">)</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">aggregations</span> <span class="o">=</span> <span class="n">aggregations</span> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="c1"># give aggregates names and replace projections with references to them</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="sa">f</span><span class="s2">"_g</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">:</span> <span class="n">e</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">group</span> <span class="k">else</span> <span class="p">[])</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="p">}</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">projections</span><span class="p">:</span> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="k">for</span> <span class="n">child</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">projection</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="n">child</span> <span class="o">==</span> <span class="n">e</span><span class="p">:</span> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">child</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">aggregate</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">sort</span> <span class="o">=</span> <span class="n">Sort</span><span class="p">()</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">sort</span> </span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">sort</span> <span class="o">=</span> <span class="n">Sort</span><span class="p">()</span> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">sort</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="o">=</span> <span class="n">projections</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">distinct</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">col</span><span class="o">=</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">projections</span> <span class="ow">or</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="p">}</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="o">=</span> <span class="n">projections</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">distinct</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">col</span><span class="o">=</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">step</span><span class="o">.</span><span class="n">name</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">e</span> <span class="ow">in</span> <span class="n">projections</span> <span class="ow">or</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</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="n">distinct</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">limit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"limit"</span><span class="p">)</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">if</span> <span class="n">limit</span><span class="p">:</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">limit</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">))</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">return</span> <span class="n">step</span> </span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">limit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"limit"</span><span class="p">)</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="k">if</span> <span class="n">limit</span><span class="p">:</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">limit</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">))</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">name</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependents</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</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-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">name</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependents</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</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-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">def</span> <span class="nf">add_dependency</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dependency</span><span class="p">:</span> <span class="n">Step</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dependency</span><span class="p">)</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="n">dependency</span><span class="o">.</span><span class="n">dependents</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">to_s</span><span class="p">()</span> </span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">def</span> <span class="nf">add_dependency</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dependency</span><span class="p">:</span> <span class="n">Step</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dependency</span><span class="p">)</span> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">dependency</span><span class="o">.</span><span class="n">dependents</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">def</span> <span class="nf">to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">level</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="n">indent</span> <span class="o">=</span> <span class="s2">" "</span> <span class="o">*</span> <span class="n">level</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> "</span> </span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">to_s</span><span class="p">()</span> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">def</span> <span class="nf">to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">level</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">indent</span> <span class="o">=</span> <span class="s2">" "</span> <span class="o">*</span> <span class="n">level</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> "</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="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_s</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> "</span><span class="p">)</span> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">if</span> <span class="n">context</span><span class="p">:</span> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">context</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Context:"</span><span class="p">]</span> <span class="o">+</span> <span class="n">context</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">- </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="o">*</span><span class="n">context</span><span class="p">,</span> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Projections:"</span><span class="p">,</span> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="p">]</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Condition: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span><span class="p">:</span> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Limit: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_s</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> "</span><span class="p">)</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">if</span> <span class="n">context</span><span class="p">:</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">context</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Context:"</span><span class="p">]</span> <span class="o">+</span> <span class="n">context</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">- </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="o">*</span><span class="n">context</span><span class="p">,</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Projections:"</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><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Condition: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span><span class="p">:</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Limit: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Dependencies:"</span><span class="p">)</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">for</span> <span class="n">dependency</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">" "</span> <span class="o">+</span> <span class="n">dependency</span><span class="o">.</span><span class="n">to_s</span><span class="p">(</span><span class="n">level</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</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">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Dependencies:"</span><span class="p">)</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">for</span> <span class="n">dependency</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">" "</span> <span class="o">+</span> <span class="n">dependency</span><span class="o">.</span><span class="n">to_s</span><span class="p">(</span><span class="n">level</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="nd">@property</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="nd">@property</span> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">def</span> <span class="nf">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">name</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">name</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">type_name</span><span class="si">}</span><span class="s2">:</span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="k">return</span> <span class="p">[]</span> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a><span class="k">class</span> <span class="nc">Scan</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="nd">@classmethod</span> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">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">Subquery</span><span class="p">):</span> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="n">step</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">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> -</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> -</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">step</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">if</span> <span class="n">ctes</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">ctes</span><span class="p">:</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">ctes</span><span class="p">[</span><span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">])</span> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="nd">@property</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</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="nd">@property</span> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">def</span> <span class="nf">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">name</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">name</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">type_name</span><span class="si">}</span><span class="s2">:</span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="p">[]</span> +</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a><span class="k">class</span> <span class="nc">Scan</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="nd">@classmethod</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="n">step</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="k">if</span> <span class="n">ctes</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">ctes</span><span class="p">:</span> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">ctes</span><span class="p">[</span><span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">])</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Source: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">'-static-'</span><span class="si">}</span><span class="s2">"</span><span class="p">]</span> <span class="c1"># type: ignore</span> </span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> -</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</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="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</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="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Source: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">'-static-'</span><span class="si">}</span><span class="s2">"</span><span class="p">]</span> <span class="c1"># type: ignore</span> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> +</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">class</span> <span class="nc">Join</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="nd">@classmethod</span> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="k">def</span> <span class="nf">from_joins</span><span class="p">(</span> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">],</span> <span class="n">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Join</span><span class="p">()</span> </span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a><span class="k">class</span> <span class="nc">Join</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="nd">@classmethod</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="k">def</span> <span class="nf">from_joins</span><span class="p">(</span> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">],</span> <span class="n">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Join</span><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">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="n">source_key</span><span class="p">,</span> <span class="n">join_key</span><span class="p">,</span> <span class="n">condition</span> <span class="o">=</span> <span class="n">join_condition</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> -</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="s2">"side"</span><span class="p">:</span> <span class="n">join</span><span class="o">.</span><span class="n">side</span><span class="p">,</span> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="s2">"join_key"</span><span class="p">:</span> <span class="n">join_key</span><span class="p">,</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="s2">"source_key"</span><span class="p">:</span> <span class="n">source_key</span><span class="p">,</span> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="s2">"condition"</span><span class="p">:</span> <span class="n">condition</span><span class="p">,</span> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="p">}</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> -</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">))</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</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="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</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">joins</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="nb">str</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="nb">str</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="nb">str</span><span class="p">]</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'side'</span><span class="p">]</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"condition"</span><span class="p">):</span> -</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">On: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'condition'</span><span class="p">]</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="c1"># type: ignore</span> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">return</span> <span class="n">lines</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><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a><span class="k">class</span> <span class="nc">Aggregate</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</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-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> <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">Expression</span><span class="p">,</span> <span class="o">...</span><span class="p">]</span> <span class="o">=</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">group</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="nb">str</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-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Aggregations:"</span><span class="p">]</span> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> -</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</span><span class="p">:</span> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">:</span> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Group:"</span><span class="p">)</span> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">source_key</span><span class="p">,</span> <span class="n">join_key</span><span class="p">,</span> <span class="n">condition</span> <span class="o">=</span> <span class="n">join_condition</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="s2">"side"</span><span class="p">:</span> <span class="n">join</span><span class="o">.</span><span class="n">side</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="s2">"join_key"</span><span class="p">:</span> <span class="n">join_key</span><span class="p">,</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="s2">"source_key"</span><span class="p">:</span> <span class="n">source_key</span><span class="p">,</span> +</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="s2">"condition"</span><span class="p">:</span> <span class="n">condition</span><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><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</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">step</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="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">joins</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="nb">str</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="nb">str</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="nb">str</span><span class="p">]</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'side'</span><span class="p">]</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"condition"</span><span class="p">):</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">On: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'condition'</span><span class="p">]</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="c1"># type: ignore</span> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="k">return</span> <span class="n">lines</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><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a><span class="k">class</span> <span class="nc">Aggregate</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</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-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> <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">Expression</span><span class="p">,</span> <span class="o">...</span><span class="p">]</span> <span class="o">=</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="o">.</span><span class="n">group</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="nb">str</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-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Aggregations:"</span><span class="p">]</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</span><span class="p">:</span> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</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="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">:</span> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Group:"</span><span class="p">)</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</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="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Having:"</span><span class="p">)</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Operands:"</span><span class="p">)</span> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> </span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Having:"</span><span class="p">)</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Operands:"</span><span class="p">)</span> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">return</span> <span class="n">lines</span> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a><span class="k">class</span> <span class="nc">Sort</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</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">key</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Key:"</span><span class="p">]</span> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">:</span> <span class="c1"># type: ignore</span> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">return</span> <span class="n">lines</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a><span class="k">class</span> <span class="nc">SetOperation</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="k">def</span> <span class="fm">__init__</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="p">,</span> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="n">op</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><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="n">left</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="n">right</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="n">distinct</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">op</span> <span class="o">=</span> <span class="n">op</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">right</span> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span> <span class="o">=</span> <span class="n">distinct</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> -</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="nd">@classmethod</span> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">assert</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">Union</span><span class="p">)</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">step</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="n">op</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">left</span><span class="o">=</span><span class="n">left</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="n">right</span><span class="o">=</span><span class="n">right</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="n">distinct</span><span class="o">=</span><span class="nb">bool</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)),</span> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="p">)</span> -</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> -</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Distinct: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="k">return</span> <span class="n">lines</span> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="nd">@property</span> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</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="bp">self</span><span class="o">.</span><span class="n">op</span><span class="o">.</span><span class="vm">__name__</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">return</span> <span class="n">lines</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><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a><span class="k">class</span> <span class="nc">Sort</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="kc">None</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="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Key:"</span><span class="p">]</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">:</span> <span class="c1"># type: ignore</span> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><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="k">return</span> <span class="n">lines</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> +</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">class</span> <span class="nc">SetOperation</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="n">op</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><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="n">left</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="n">right</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="n">distinct</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</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">op</span> <span class="o">=</span> <span class="n">op</span> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">right</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="nd">@classmethod</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">assert</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">Union</span><span class="p">)</span> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="n">step</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">op</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="n">left</span><span class="o">=</span><span class="n">left</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">right</span><span class="o">=</span><span class="n">right</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="n">distinct</span><span class="o">=</span><span class="nb">bool</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)),</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="p">)</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">return</span> <span class="n">step</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">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Distinct: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="k">return</span> <span class="n">lines</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="nd">@property</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</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="bp">self</span><span class="o">.</span><span class="n">op</span><span class="o">.</span><span class="vm">__name__</span> </span></pre></div> @@ -552,34 +545,34 @@ </div> <a class="headerlink" href="#Plan"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Plan-13"><a href="#Plan-13"><span class="linenos">13</span></a><span class="k">class</span> <span class="nc">Plan</span><span class="p">:</span> -</span><span id="Plan-14"><a href="#Plan-14"><span class="linenos">14</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Plan-15"><a href="#Plan-15"><span class="linenos">15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Plan-16"><a href="#Plan-16"><span class="linenos">16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="Plan-17"><a href="#Plan-17"><span class="linenos">17</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Plan-18"><a href="#Plan-18"><span class="linenos">18</span></a> -</span><span id="Plan-19"><a href="#Plan-19"><span class="linenos">19</span></a> <span class="nd">@property</span> -</span><span id="Plan-20"><a href="#Plan-20"><span class="linenos">20</span></a> <span class="k">def</span> <span class="nf">dag</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">Step</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">Step</span><span class="p">]]:</span> -</span><span id="Plan-21"><a href="#Plan-21"><span class="linenos">21</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span><span class="p">:</span> -</span><span id="Plan-22"><a href="#Plan-22"><span class="linenos">22</span></a> <span class="n">dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Plan-23"><a href="#Plan-23"><span class="linenos">23</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">}</span> -</span><span id="Plan-24"><a href="#Plan-24"><span class="linenos">24</span></a> -</span><span id="Plan-25"><a href="#Plan-25"><span class="linenos">25</span></a> <span class="k">while</span> <span class="n">nodes</span><span class="p">:</span> -</span><span id="Plan-26"><a href="#Plan-26"><span class="linenos">26</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">nodes</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> -</span><span id="Plan-27"><a href="#Plan-27"><span class="linenos">27</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="Plan-28"><a href="#Plan-28"><span class="linenos">28</span></a> <span class="k">for</span> <span class="n">dep</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="Plan-29"><a href="#Plan-29"><span class="linenos">29</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> -</span><span id="Plan-30"><a href="#Plan-30"><span class="linenos">30</span></a> <span class="n">nodes</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> -</span><span id="Plan-31"><a href="#Plan-31"><span class="linenos">31</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> <span class="o">=</span> <span class="n">dag</span> -</span><span id="Plan-32"><a href="#Plan-32"><span class="linenos">32</span></a> -</span><span id="Plan-33"><a href="#Plan-33"><span class="linenos">33</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> -</span><span id="Plan-34"><a href="#Plan-34"><span class="linenos">34</span></a> -</span><span id="Plan-35"><a href="#Plan-35"><span class="linenos">35</span></a> <span class="nd">@property</span> -</span><span id="Plan-36"><a href="#Plan-36"><span class="linenos">36</span></a> <span class="k">def</span> <span class="nf">leaves</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Step</span><span class="p">]:</span> -</span><span id="Plan-37"><a href="#Plan-37"><span class="linenos">37</span></a> <span class="k">return</span> <span class="p">(</span><span class="n">node</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">deps</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dag</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">deps</span><span class="p">)</span> -</span><span id="Plan-38"><a href="#Plan-38"><span class="linenos">38</span></a> -</span><span id="Plan-39"><a href="#Plan-39"><span class="linenos">39</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Plan-40"><a href="#Plan-40"><span class="linenos">40</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"Plan</span><span class="se">\n</span><span class="s2">----</span><span class="se">\n</span><span class="si">{</span><span class="nb">repr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Plan-12"><a href="#Plan-12"><span class="linenos">12</span></a><span class="k">class</span> <span class="nc">Plan</span><span class="p">:</span> +</span><span id="Plan-13"><a href="#Plan-13"><span class="linenos">13</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Plan-14"><a href="#Plan-14"><span class="linenos">14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Plan-15"><a href="#Plan-15"><span class="linenos">15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Plan-16"><a href="#Plan-16"><span class="linenos">16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Plan-17"><a href="#Plan-17"><span class="linenos">17</span></a> +</span><span id="Plan-18"><a href="#Plan-18"><span class="linenos">18</span></a> <span class="nd">@property</span> +</span><span id="Plan-19"><a href="#Plan-19"><span class="linenos">19</span></a> <span class="k">def</span> <span class="nf">dag</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="n">Step</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">Step</span><span class="p">]]:</span> +</span><span id="Plan-20"><a href="#Plan-20"><span class="linenos">20</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span><span class="p">:</span> +</span><span id="Plan-21"><a href="#Plan-21"><span class="linenos">21</span></a> <span class="n">dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Plan-22"><a href="#Plan-22"><span class="linenos">22</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="p">{</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">}</span> +</span><span id="Plan-23"><a href="#Plan-23"><span class="linenos">23</span></a> +</span><span id="Plan-24"><a href="#Plan-24"><span class="linenos">24</span></a> <span class="k">while</span> <span class="n">nodes</span><span class="p">:</span> +</span><span id="Plan-25"><a href="#Plan-25"><span class="linenos">25</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">nodes</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> +</span><span id="Plan-26"><a href="#Plan-26"><span class="linenos">26</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="Plan-27"><a href="#Plan-27"><span class="linenos">27</span></a> <span class="k">for</span> <span class="n">dep</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="Plan-28"><a href="#Plan-28"><span class="linenos">28</span></a> <span class="n">dag</span><span class="p">[</span><span class="n">node</span><span class="p">]</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> +</span><span id="Plan-29"><a href="#Plan-29"><span class="linenos">29</span></a> <span class="n">nodes</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dep</span><span class="p">)</span> +</span><span id="Plan-30"><a href="#Plan-30"><span class="linenos">30</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> <span class="o">=</span> <span class="n">dag</span> +</span><span id="Plan-31"><a href="#Plan-31"><span class="linenos">31</span></a> +</span><span id="Plan-32"><a href="#Plan-32"><span class="linenos">32</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</span> +</span><span id="Plan-33"><a href="#Plan-33"><span class="linenos">33</span></a> +</span><span id="Plan-34"><a href="#Plan-34"><span class="linenos">34</span></a> <span class="nd">@property</span> +</span><span id="Plan-35"><a href="#Plan-35"><span class="linenos">35</span></a> <span class="k">def</span> <span class="nf">leaves</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Step</span><span class="p">]:</span> +</span><span id="Plan-36"><a href="#Plan-36"><span class="linenos">36</span></a> <span class="k">return</span> <span class="p">(</span><span class="n">node</span> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="n">deps</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dag</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="ow">not</span> <span class="n">deps</span><span class="p">)</span> +</span><span id="Plan-37"><a href="#Plan-37"><span class="linenos">37</span></a> +</span><span id="Plan-38"><a href="#Plan-38"><span class="linenos">38</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Plan-39"><a href="#Plan-39"><span class="linenos">39</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"Plan</span><span class="se">\n</span><span class="s2">----</span><span class="se">\n</span><span class="si">{</span><span class="nb">repr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> </span></pre></div> @@ -595,10 +588,10 @@ </div> <a class="headerlink" href="#Plan.__init__"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Plan.__init__-14"><a href="#Plan.__init__-14"><span class="linenos">14</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Plan.__init__-15"><a href="#Plan.__init__-15"><span class="linenos">15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Plan.__init__-16"><a href="#Plan.__init__-16"><span class="linenos">16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="Plan.__init__-17"><a href="#Plan.__init__-17"><span class="linenos">17</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Plan.__init__-13"><a href="#Plan.__init__-13"><span class="linenos">13</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Plan.__init__-14"><a href="#Plan.__init__-14"><span class="linenos">14</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Plan.__init__-15"><a href="#Plan.__init__-15"><span class="linenos">15</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Plan.__init__-16"><a href="#Plan.__init__-16"><span class="linenos">16</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_dag</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">Step</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">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> </span></pre></div> @@ -617,235 +610,229 @@ </div> <a class="headerlink" href="#Step"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Step-43"><a href="#Step-43"><span class="linenos"> 43</span></a><span class="k">class</span> <span class="nc">Step</span><span class="p">:</span> -</span><span id="Step-44"><a href="#Step-44"><span class="linenos"> 44</span></a> <span class="nd">@classmethod</span> -</span><span id="Step-45"><a href="#Step-45"><span class="linenos"> 45</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="Step-46"><a href="#Step-46"><span class="linenos"> 46</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Step-47"><a href="#Step-47"><span class="linenos"> 47</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="Step-48"><a href="#Step-48"><span class="linenos"> 48</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Step-49"><a href="#Step-49"><span class="linenos"> 49</span></a><span class="sd"> Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.</span> -</span><span id="Step-50"><a href="#Step-50"><span class="linenos"> 50</span></a><span class="sd"> Note: the expression's tables and subqueries must be aliased for this method to work. For</span> -</span><span id="Step-51"><a href="#Step-51"><span class="linenos"> 51</span></a><span class="sd"> example, given the following expression:</span> -</span><span id="Step-52"><a href="#Step-52"><span class="linenos"> 52</span></a> -</span><span id="Step-53"><a href="#Step-53"><span class="linenos"> 53</span></a><span class="sd"> SELECT</span> -</span><span id="Step-54"><a href="#Step-54"><span class="linenos"> 54</span></a><span class="sd"> x.a,</span> -</span><span id="Step-55"><a href="#Step-55"><span class="linenos"> 55</span></a><span class="sd"> SUM(x.b)</span> -</span><span id="Step-56"><a href="#Step-56"><span class="linenos"> 56</span></a><span class="sd"> FROM x AS x</span> -</span><span id="Step-57"><a href="#Step-57"><span class="linenos"> 57</span></a><span class="sd"> JOIN y AS y</span> -</span><span id="Step-58"><a href="#Step-58"><span class="linenos"> 58</span></a><span class="sd"> ON x.a = y.a</span> -</span><span id="Step-59"><a href="#Step-59"><span class="linenos"> 59</span></a><span class="sd"> GROUP BY x.a</span> -</span><span id="Step-60"><a href="#Step-60"><span class="linenos"> 60</span></a> -</span><span id="Step-61"><a href="#Step-61"><span class="linenos"> 61</span></a><span class="sd"> the following DAG is produced (the expression IDs might differ per execution):</span> -</span><span id="Step-62"><a href="#Step-62"><span class="linenos"> 62</span></a> -</span><span id="Step-63"><a href="#Step-63"><span class="linenos"> 63</span></a><span class="sd"> - Aggregate: x (4347984624)</span> -</span><span id="Step-64"><a href="#Step-64"><span class="linenos"> 64</span></a><span class="sd"> Context:</span> -</span><span id="Step-65"><a href="#Step-65"><span class="linenos"> 65</span></a><span class="sd"> Aggregations:</span> -</span><span id="Step-66"><a href="#Step-66"><span class="linenos"> 66</span></a><span class="sd"> - SUM(x.b)</span> -</span><span id="Step-67"><a href="#Step-67"><span class="linenos"> 67</span></a><span class="sd"> Group:</span> -</span><span id="Step-68"><a href="#Step-68"><span class="linenos"> 68</span></a><span class="sd"> - x.a</span> -</span><span id="Step-69"><a href="#Step-69"><span class="linenos"> 69</span></a><span class="sd"> Projections:</span> -</span><span id="Step-70"><a href="#Step-70"><span class="linenos"> 70</span></a><span class="sd"> - x.a</span> -</span><span id="Step-71"><a href="#Step-71"><span class="linenos"> 71</span></a><span class="sd"> - "x".""</span> -</span><span id="Step-72"><a href="#Step-72"><span class="linenos"> 72</span></a><span class="sd"> Dependencies:</span> -</span><span id="Step-73"><a href="#Step-73"><span class="linenos"> 73</span></a><span class="sd"> - Join: x (4347985296)</span> -</span><span id="Step-74"><a href="#Step-74"><span class="linenos"> 74</span></a><span class="sd"> Context:</span> -</span><span id="Step-75"><a href="#Step-75"><span class="linenos"> 75</span></a><span class="sd"> y:</span> -</span><span id="Step-76"><a href="#Step-76"><span class="linenos"> 76</span></a><span class="sd"> On: x.a = y.a</span> -</span><span id="Step-77"><a href="#Step-77"><span class="linenos"> 77</span></a><span class="sd"> Projections:</span> -</span><span id="Step-78"><a href="#Step-78"><span class="linenos"> 78</span></a><span class="sd"> Dependencies:</span> -</span><span id="Step-79"><a href="#Step-79"><span class="linenos"> 79</span></a><span class="sd"> - Scan: x (4347983136)</span> -</span><span id="Step-80"><a href="#Step-80"><span class="linenos"> 80</span></a><span class="sd"> Context:</span> -</span><span id="Step-81"><a href="#Step-81"><span class="linenos"> 81</span></a><span class="sd"> Source: x AS x</span> -</span><span id="Step-82"><a href="#Step-82"><span class="linenos"> 82</span></a><span class="sd"> Projections:</span> -</span><span id="Step-83"><a href="#Step-83"><span class="linenos"> 83</span></a><span class="sd"> - Scan: y (4343416624)</span> -</span><span id="Step-84"><a href="#Step-84"><span class="linenos"> 84</span></a><span class="sd"> Context:</span> -</span><span id="Step-85"><a href="#Step-85"><span class="linenos"> 85</span></a><span class="sd"> Source: y AS y</span> -</span><span id="Step-86"><a href="#Step-86"><span class="linenos"> 86</span></a><span class="sd"> Projections:</span> -</span><span id="Step-87"><a href="#Step-87"><span class="linenos"> 87</span></a> -</span><span id="Step-88"><a href="#Step-88"><span class="linenos"> 88</span></a><span class="sd"> Args:</span> -</span><span id="Step-89"><a href="#Step-89"><span class="linenos"> 89</span></a><span class="sd"> expression: the expression to build the DAG from.</span> -</span><span id="Step-90"><a href="#Step-90"><span class="linenos"> 90</span></a><span class="sd"> ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.</span> -</span><span id="Step-91"><a href="#Step-91"><span class="linenos"> 91</span></a> -</span><span id="Step-92"><a href="#Step-92"><span class="linenos"> 92</span></a><span class="sd"> Returns:</span> -</span><span id="Step-93"><a href="#Step-93"><span class="linenos"> 93</span></a><span class="sd"> A Step DAG corresponding to `expression`.</span> -</span><span id="Step-94"><a href="#Step-94"><span class="linenos"> 94</span></a><span class="sd"> """</span> -</span><span id="Step-95"><a href="#Step-95"><span class="linenos"> 95</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span> <span class="ow">or</span> <span class="p">{}</span> -</span><span id="Step-96"><a href="#Step-96"><span class="linenos"> 96</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span> -</span><span id="Step-97"><a href="#Step-97"><span class="linenos"> 97</span></a> -</span><span id="Step-98"><a href="#Step-98"><span class="linenos"> 98</span></a> <span class="c1"># CTEs break the mold of scope and introduce themselves to all in the context.</span> -</span><span id="Step-99"><a href="#Step-99"><span class="linenos"> 99</span></a> <span class="k">if</span> <span class="n">with_</span><span class="p">:</span> -</span><span id="Step-100"><a href="#Step-100"><span class="linenos">100</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Step-101"><a href="#Step-101"><span class="linenos">101</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="Step-102"><a href="#Step-102"><span class="linenos">102</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">cte</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step-103"><a href="#Step-103"><span class="linenos">103</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span> -</span><span id="Step-104"><a href="#Step-104"><span class="linenos">104</span></a> <span class="n">ctes</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">step</span> <span class="c1"># type: ignore</span> -</span><span id="Step-105"><a href="#Step-105"><span class="linenos">105</span></a> -</span><span id="Step-106"><a href="#Step-106"><span class="linenos">106</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span> -</span><span id="Step-107"><a href="#Step-107"><span class="linenos">107</span></a> -</span><span id="Step-108"><a href="#Step-108"><span class="linenos">108</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">from_</span><span class="p">:</span> -</span><span id="Step-109"><a href="#Step-109"><span class="linenos">109</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">from_</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Step-110"><a href="#Step-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">from_</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Step-111"><a href="#Step-111"><span class="linenos">111</span></a> <span class="k">raise</span> <span class="n">UnsupportedError</span><span class="p">(</span> -</span><span id="Step-112"><a href="#Step-112"><span class="linenos">112</span></a> <span class="s2">"Multi-from statements are unsupported. Run it through the optimizer"</span> -</span><span id="Step-113"><a href="#Step-113"><span class="linenos">113</span></a> <span class="p">)</span> -</span><span id="Step-114"><a href="#Step-114"><span class="linenos">114</span></a> -</span><span id="Step-115"><a href="#Step-115"><span class="linenos">115</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">from_</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step-116"><a href="#Step-116"><span class="linenos">116</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">Union</span><span class="p">):</span> -</span><span id="Step-117"><a href="#Step-117"><span class="linenos">117</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">SetOperation</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step-118"><a href="#Step-118"><span class="linenos">118</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="Step-119"><a href="#Step-119"><span class="linenos">119</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> -</span><span id="Step-120"><a href="#Step-120"><span class="linenos">120</span></a> -</span><span id="Step-121"><a href="#Step-121"><span class="linenos">121</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> -</span><span id="Step-122"><a href="#Step-122"><span class="linenos">122</span></a> -</span><span id="Step-123"><a href="#Step-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="n">joins</span><span class="p">:</span> -</span><span id="Step-124"><a href="#Step-124"><span class="linenos">124</span></a> <span class="n">join</span> <span class="o">=</span> <span class="n">Join</span><span class="o">.</span><span class="n">from_joins</span><span class="p">(</span><span class="n">joins</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step-125"><a href="#Step-125"><span class="linenos">125</span></a> <span class="n">join</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-126"><a href="#Step-126"><span class="linenos">126</span></a> <span class="n">join</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step-127"><a href="#Step-127"><span class="linenos">127</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">join</span> -</span><span id="Step-128"><a href="#Step-128"><span class="linenos">128</span></a> -</span><span id="Step-129"><a href="#Step-129"><span class="linenos">129</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># final selects in this chain of steps representing a select</span> -</span><span id="Step-130"><a href="#Step-130"><span class="linenos">130</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># intermediate computations of agg funcs eg x + 1 in SUM(x + 1)</span> -</span><span id="Step-131"><a href="#Step-131"><span class="linenos">131</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Step-132"><a href="#Step-132"><span class="linenos">132</span></a> <span class="n">sequence</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> -</span><span id="Step-133"><a href="#Step-133"><span class="linenos">133</span></a> -</span><span id="Step-134"><a href="#Step-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">extract_agg_operands</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="Step-135"><a href="#Step-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="Step-136"><a href="#Step-136"><span class="linenos">136</span></a> <span class="k">for</span> <span class="n">operand</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">():</span> -</span><span id="Step-137"><a href="#Step-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="Step-138"><a href="#Step-138"><span class="linenos">138</span></a> <span class="k">continue</span> -</span><span id="Step-139"><a href="#Step-139"><span class="linenos">139</span></a> <span class="k">if</span> <span class="n">operand</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">operands</span><span class="p">:</span> -</span><span id="Step-140"><a href="#Step-140"><span class="linenos">140</span></a> <span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"_a_</span><span class="si">{</span><span class="nb">next</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> -</span><span id="Step-141"><a href="#Step-141"><span class="linenos">141</span></a> <span class="n">operand</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">],</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="Step-142"><a href="#Step-142"><span class="linenos">142</span></a> -</span><span id="Step-143"><a href="#Step-143"><span class="linenos">143</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="Step-144"><a href="#Step-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="Step-145"><a href="#Step-145"><span class="linenos">145</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="Step-146"><a href="#Step-146"><span class="linenos">146</span></a> <span class="n">aggregations</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="Step-147"><a href="#Step-147"><span class="linenos">147</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="Step-148"><a href="#Step-148"><span class="linenos">148</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="Step-149"><a href="#Step-149"><span class="linenos">149</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Step-42"><a href="#Step-42"><span class="linenos"> 42</span></a><span class="k">class</span> <span class="nc">Step</span><span class="p">:</span> +</span><span id="Step-43"><a href="#Step-43"><span class="linenos"> 43</span></a> <span class="nd">@classmethod</span> +</span><span id="Step-44"><a href="#Step-44"><span class="linenos"> 44</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="Step-45"><a href="#Step-45"><span class="linenos"> 45</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Step-46"><a href="#Step-46"><span class="linenos"> 46</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="Step-47"><a href="#Step-47"><span class="linenos"> 47</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Step-48"><a href="#Step-48"><span class="linenos"> 48</span></a><span class="sd"> Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.</span> +</span><span id="Step-49"><a href="#Step-49"><span class="linenos"> 49</span></a><span class="sd"> Note: the expression's tables and subqueries must be aliased for this method to work. For</span> +</span><span id="Step-50"><a href="#Step-50"><span class="linenos"> 50</span></a><span class="sd"> example, given the following expression:</span> +</span><span id="Step-51"><a href="#Step-51"><span class="linenos"> 51</span></a> +</span><span id="Step-52"><a href="#Step-52"><span class="linenos"> 52</span></a><span class="sd"> SELECT</span> +</span><span id="Step-53"><a href="#Step-53"><span class="linenos"> 53</span></a><span class="sd"> x.a,</span> +</span><span id="Step-54"><a href="#Step-54"><span class="linenos"> 54</span></a><span class="sd"> SUM(x.b)</span> +</span><span id="Step-55"><a href="#Step-55"><span class="linenos"> 55</span></a><span class="sd"> FROM x AS x</span> +</span><span id="Step-56"><a href="#Step-56"><span class="linenos"> 56</span></a><span class="sd"> JOIN y AS y</span> +</span><span id="Step-57"><a href="#Step-57"><span class="linenos"> 57</span></a><span class="sd"> ON x.a = y.a</span> +</span><span id="Step-58"><a href="#Step-58"><span class="linenos"> 58</span></a><span class="sd"> GROUP BY x.a</span> +</span><span id="Step-59"><a href="#Step-59"><span class="linenos"> 59</span></a> +</span><span id="Step-60"><a href="#Step-60"><span class="linenos"> 60</span></a><span class="sd"> the following DAG is produced (the expression IDs might differ per execution):</span> +</span><span id="Step-61"><a href="#Step-61"><span class="linenos"> 61</span></a> +</span><span id="Step-62"><a href="#Step-62"><span class="linenos"> 62</span></a><span class="sd"> - Aggregate: x (4347984624)</span> +</span><span id="Step-63"><a href="#Step-63"><span class="linenos"> 63</span></a><span class="sd"> Context:</span> +</span><span id="Step-64"><a href="#Step-64"><span class="linenos"> 64</span></a><span class="sd"> Aggregations:</span> +</span><span id="Step-65"><a href="#Step-65"><span class="linenos"> 65</span></a><span class="sd"> - SUM(x.b)</span> +</span><span id="Step-66"><a href="#Step-66"><span class="linenos"> 66</span></a><span class="sd"> Group:</span> +</span><span id="Step-67"><a href="#Step-67"><span class="linenos"> 67</span></a><span class="sd"> - x.a</span> +</span><span id="Step-68"><a href="#Step-68"><span class="linenos"> 68</span></a><span class="sd"> Projections:</span> +</span><span id="Step-69"><a href="#Step-69"><span class="linenos"> 69</span></a><span class="sd"> - x.a</span> +</span><span id="Step-70"><a href="#Step-70"><span class="linenos"> 70</span></a><span class="sd"> - "x".""</span> +</span><span id="Step-71"><a href="#Step-71"><span class="linenos"> 71</span></a><span class="sd"> Dependencies:</span> +</span><span id="Step-72"><a href="#Step-72"><span class="linenos"> 72</span></a><span class="sd"> - Join: x (4347985296)</span> +</span><span id="Step-73"><a href="#Step-73"><span class="linenos"> 73</span></a><span class="sd"> Context:</span> +</span><span id="Step-74"><a href="#Step-74"><span class="linenos"> 74</span></a><span class="sd"> y:</span> +</span><span id="Step-75"><a href="#Step-75"><span class="linenos"> 75</span></a><span class="sd"> On: x.a = y.a</span> +</span><span id="Step-76"><a href="#Step-76"><span class="linenos"> 76</span></a><span class="sd"> Projections:</span> +</span><span id="Step-77"><a href="#Step-77"><span class="linenos"> 77</span></a><span class="sd"> Dependencies:</span> +</span><span id="Step-78"><a href="#Step-78"><span class="linenos"> 78</span></a><span class="sd"> - Scan: x (4347983136)</span> +</span><span id="Step-79"><a href="#Step-79"><span class="linenos"> 79</span></a><span class="sd"> Context:</span> +</span><span id="Step-80"><a href="#Step-80"><span class="linenos"> 80</span></a><span class="sd"> Source: x AS x</span> +</span><span id="Step-81"><a href="#Step-81"><span class="linenos"> 81</span></a><span class="sd"> Projections:</span> +</span><span id="Step-82"><a href="#Step-82"><span class="linenos"> 82</span></a><span class="sd"> - Scan: y (4343416624)</span> +</span><span id="Step-83"><a href="#Step-83"><span class="linenos"> 83</span></a><span class="sd"> Context:</span> +</span><span id="Step-84"><a href="#Step-84"><span class="linenos"> 84</span></a><span class="sd"> Source: y AS y</span> +</span><span id="Step-85"><a href="#Step-85"><span class="linenos"> 85</span></a><span class="sd"> Projections:</span> +</span><span id="Step-86"><a href="#Step-86"><span class="linenos"> 86</span></a> +</span><span id="Step-87"><a href="#Step-87"><span class="linenos"> 87</span></a><span class="sd"> Args:</span> +</span><span id="Step-88"><a href="#Step-88"><span class="linenos"> 88</span></a><span class="sd"> expression: the expression to build the DAG from.</span> +</span><span id="Step-89"><a href="#Step-89"><span class="linenos"> 89</span></a><span class="sd"> ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.</span> +</span><span id="Step-90"><a href="#Step-90"><span class="linenos"> 90</span></a> +</span><span id="Step-91"><a href="#Step-91"><span class="linenos"> 91</span></a><span class="sd"> Returns:</span> +</span><span id="Step-92"><a href="#Step-92"><span class="linenos"> 92</span></a><span class="sd"> A Step DAG corresponding to `expression`.</span> +</span><span id="Step-93"><a href="#Step-93"><span class="linenos"> 93</span></a><span class="sd"> """</span> +</span><span id="Step-94"><a href="#Step-94"><span class="linenos"> 94</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span> <span class="ow">or</span> <span class="p">{}</span> +</span><span id="Step-95"><a href="#Step-95"><span class="linenos"> 95</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span> +</span><span id="Step-96"><a href="#Step-96"><span class="linenos"> 96</span></a> +</span><span id="Step-97"><a href="#Step-97"><span class="linenos"> 97</span></a> <span class="c1"># CTEs break the mold of scope and introduce themselves to all in the context.</span> +</span><span id="Step-98"><a href="#Step-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="n">with_</span><span class="p">:</span> +</span><span id="Step-99"><a href="#Step-99"><span class="linenos"> 99</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Step-100"><a href="#Step-100"><span class="linenos">100</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="Step-101"><a href="#Step-101"><span class="linenos">101</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">cte</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step-102"><a href="#Step-102"><span class="linenos">102</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span> +</span><span id="Step-103"><a href="#Step-103"><span class="linenos">103</span></a> <span class="n">ctes</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">step</span> <span class="c1"># type: ignore</span> +</span><span id="Step-104"><a href="#Step-104"><span class="linenos">104</span></a> +</span><span id="Step-105"><a href="#Step-105"><span class="linenos">105</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span> +</span><span id="Step-106"><a href="#Step-106"><span class="linenos">106</span></a> +</span><span id="Step-107"><a href="#Step-107"><span class="linenos">107</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">from_</span><span class="p">:</span> +</span><span id="Step-108"><a href="#Step-108"><span class="linenos">108</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">from_</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step-109"><a href="#Step-109"><span class="linenos">109</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="Step-110"><a href="#Step-110"><span class="linenos">110</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">SetOperation</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step-111"><a href="#Step-111"><span class="linenos">111</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="Step-112"><a href="#Step-112"><span class="linenos">112</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> +</span><span id="Step-113"><a href="#Step-113"><span class="linenos">113</span></a> +</span><span id="Step-114"><a href="#Step-114"><span class="linenos">114</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> +</span><span id="Step-115"><a href="#Step-115"><span class="linenos">115</span></a> +</span><span id="Step-116"><a href="#Step-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="n">joins</span><span class="p">:</span> +</span><span id="Step-117"><a href="#Step-117"><span class="linenos">117</span></a> <span class="n">join</span> <span class="o">=</span> <span class="n">Join</span><span class="o">.</span><span class="n">from_joins</span><span class="p">(</span><span class="n">joins</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step-118"><a href="#Step-118"><span class="linenos">118</span></a> <span class="n">join</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step-119"><a href="#Step-119"><span class="linenos">119</span></a> <span class="n">join</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step-120"><a href="#Step-120"><span class="linenos">120</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">join</span> +</span><span id="Step-121"><a href="#Step-121"><span class="linenos">121</span></a> +</span><span id="Step-122"><a href="#Step-122"><span class="linenos">122</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># final selects in this chain of steps representing a select</span> +</span><span id="Step-123"><a href="#Step-123"><span class="linenos">123</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># intermediate computations of agg funcs eg x + 1 in SUM(x + 1)</span> +</span><span id="Step-124"><a href="#Step-124"><span class="linenos">124</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Step-125"><a href="#Step-125"><span class="linenos">125</span></a> <span class="n">sequence</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> +</span><span id="Step-126"><a href="#Step-126"><span class="linenos">126</span></a> +</span><span id="Step-127"><a href="#Step-127"><span class="linenos">127</span></a> <span class="k">def</span> <span class="nf">extract_agg_operands</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="Step-128"><a href="#Step-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="Step-129"><a href="#Step-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">operand</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">():</span> +</span><span id="Step-130"><a href="#Step-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="Step-131"><a href="#Step-131"><span class="linenos">131</span></a> <span class="k">continue</span> +</span><span id="Step-132"><a href="#Step-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="n">operand</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">operands</span><span class="p">:</span> +</span><span id="Step-133"><a href="#Step-133"><span class="linenos">133</span></a> <span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"_a_</span><span class="si">{</span><span class="nb">next</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> +</span><span id="Step-134"><a href="#Step-134"><span class="linenos">134</span></a> <span class="n">operand</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">],</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="Step-135"><a href="#Step-135"><span class="linenos">135</span></a> +</span><span id="Step-136"><a href="#Step-136"><span class="linenos">136</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="Step-137"><a href="#Step-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="Step-138"><a href="#Step-138"><span class="linenos">138</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="Step-139"><a href="#Step-139"><span class="linenos">139</span></a> <span class="n">aggregations</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="Step-140"><a href="#Step-140"><span class="linenos">140</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="Step-141"><a href="#Step-141"><span class="linenos">141</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="Step-142"><a href="#Step-142"><span class="linenos">142</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="Step-143"><a href="#Step-143"><span class="linenos">143</span></a> +</span><span id="Step-144"><a href="#Step-144"><span class="linenos">144</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span> +</span><span id="Step-145"><a href="#Step-145"><span class="linenos">145</span></a> +</span><span id="Step-146"><a href="#Step-146"><span class="linenos">146</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span> +</span><span id="Step-147"><a href="#Step-147"><span class="linenos">147</span></a> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span> +</span><span id="Step-148"><a href="#Step-148"><span class="linenos">148</span></a> +</span><span id="Step-149"><a href="#Step-149"><span class="linenos">149</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> </span><span id="Step-150"><a href="#Step-150"><span class="linenos">150</span></a> -</span><span id="Step-151"><a href="#Step-151"><span class="linenos">151</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span> -</span><span id="Step-152"><a href="#Step-152"><span class="linenos">152</span></a> -</span><span id="Step-153"><a href="#Step-153"><span class="linenos">153</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span> -</span><span id="Step-154"><a href="#Step-154"><span class="linenos">154</span></a> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span> +</span><span id="Step-151"><a href="#Step-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="n">group</span> <span class="ow">or</span> <span class="n">aggregations</span><span class="p">:</span> +</span><span id="Step-152"><a href="#Step-152"><span class="linenos">152</span></a> <span class="n">aggregate</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> +</span><span id="Step-153"><a href="#Step-153"><span class="linenos">153</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step-154"><a href="#Step-154"><span class="linenos">154</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> </span><span id="Step-155"><a href="#Step-155"><span class="linenos">155</span></a> -</span><span id="Step-156"><a href="#Step-156"><span class="linenos">156</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> +</span><span id="Step-156"><a href="#Step-156"><span class="linenos">156</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> </span><span id="Step-157"><a href="#Step-157"><span class="linenos">157</span></a> -</span><span id="Step-158"><a href="#Step-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="n">group</span> <span class="ow">or</span> <span class="n">aggregations</span><span class="p">:</span> -</span><span id="Step-159"><a href="#Step-159"><span class="linenos">159</span></a> <span class="n">aggregate</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> -</span><span id="Step-160"><a href="#Step-160"><span class="linenos">160</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-161"><a href="#Step-161"><span class="linenos">161</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-162"><a href="#Step-162"><span class="linenos">162</span></a> -</span><span id="Step-163"><a href="#Step-163"><span class="linenos">163</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> -</span><span id="Step-164"><a href="#Step-164"><span class="linenos">164</span></a> -</span><span id="Step-165"><a href="#Step-165"><span class="linenos">165</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> -</span><span id="Step-166"><a href="#Step-166"><span class="linenos">166</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">having</span><span class="p">)</span> -</span><span id="Step-167"><a href="#Step-167"><span class="linenos">167</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">having</span><span class="o">.</span><span class="n">this</span> -</span><span id="Step-168"><a href="#Step-168"><span class="linenos">168</span></a> -</span><span id="Step-169"><a href="#Step-169"><span class="linenos">169</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">operands</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> -</span><span id="Step-170"><a href="#Step-170"><span class="linenos">170</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span> <span class="k">for</span> <span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span> <span class="ow">in</span> <span class="n">operands</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="Step-171"><a href="#Step-171"><span class="linenos">171</span></a> <span class="p">)</span> -</span><span id="Step-172"><a href="#Step-172"><span class="linenos">172</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">aggregations</span> <span class="o">=</span> <span class="n">aggregations</span> -</span><span id="Step-173"><a href="#Step-173"><span class="linenos">173</span></a> <span class="c1"># give aggregates names and replace projections with references to them</span> -</span><span id="Step-174"><a href="#Step-174"><span class="linenos">174</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Step-175"><a href="#Step-175"><span class="linenos">175</span></a> <span class="sa">f</span><span class="s2">"_g</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">:</span> <span class="n">e</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">group</span> <span class="k">else</span> <span class="p">[])</span> -</span><span id="Step-176"><a href="#Step-176"><span class="linenos">176</span></a> <span class="p">}</span> -</span><span id="Step-177"><a href="#Step-177"><span class="linenos">177</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="Step-178"><a href="#Step-178"><span class="linenos">178</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="Step-179"><a href="#Step-179"><span class="linenos">179</span></a> <span class="k">for</span> <span class="n">child</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">projection</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> -</span><span id="Step-180"><a href="#Step-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="n">child</span> <span class="o">==</span> <span class="n">e</span><span class="p">:</span> -</span><span id="Step-181"><a href="#Step-181"><span class="linenos">181</span></a> <span class="n">child</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> -</span><span id="Step-182"><a href="#Step-182"><span class="linenos">182</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step-183"><a href="#Step-183"><span class="linenos">183</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">aggregate</span> -</span><span id="Step-184"><a href="#Step-184"><span class="linenos">184</span></a> -</span><span id="Step-185"><a href="#Step-185"><span class="linenos">185</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="Step-158"><a href="#Step-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> +</span><span id="Step-159"><a href="#Step-159"><span class="linenos">159</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">having</span><span class="p">)</span> +</span><span id="Step-160"><a href="#Step-160"><span class="linenos">160</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">having</span><span class="o">.</span><span class="n">this</span> +</span><span id="Step-161"><a href="#Step-161"><span class="linenos">161</span></a> +</span><span id="Step-162"><a href="#Step-162"><span class="linenos">162</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">operands</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> +</span><span id="Step-163"><a href="#Step-163"><span class="linenos">163</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span> <span class="k">for</span> <span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span> <span class="ow">in</span> <span class="n">operands</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="Step-164"><a href="#Step-164"><span class="linenos">164</span></a> <span class="p">)</span> +</span><span id="Step-165"><a href="#Step-165"><span class="linenos">165</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">aggregations</span> <span class="o">=</span> <span class="n">aggregations</span> +</span><span id="Step-166"><a href="#Step-166"><span class="linenos">166</span></a> <span class="c1"># give aggregates names and replace projections with references to them</span> +</span><span id="Step-167"><a href="#Step-167"><span class="linenos">167</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Step-168"><a href="#Step-168"><span class="linenos">168</span></a> <span class="sa">f</span><span class="s2">"_g</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">:</span> <span class="n">e</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">group</span> <span class="k">else</span> <span class="p">[])</span> +</span><span id="Step-169"><a href="#Step-169"><span class="linenos">169</span></a> <span class="p">}</span> +</span><span id="Step-170"><a href="#Step-170"><span class="linenos">170</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">projections</span><span class="p">:</span> +</span><span id="Step-171"><a href="#Step-171"><span class="linenos">171</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="Step-172"><a href="#Step-172"><span class="linenos">172</span></a> <span class="k">for</span> <span class="n">child</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">projection</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="Step-173"><a href="#Step-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="n">child</span> <span class="o">==</span> <span class="n">e</span><span class="p">:</span> +</span><span id="Step-174"><a href="#Step-174"><span class="linenos">174</span></a> <span class="n">child</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> +</span><span id="Step-175"><a href="#Step-175"><span class="linenos">175</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step-176"><a href="#Step-176"><span class="linenos">176</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">aggregate</span> +</span><span id="Step-177"><a href="#Step-177"><span class="linenos">177</span></a> +</span><span id="Step-178"><a href="#Step-178"><span class="linenos">178</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="Step-179"><a href="#Step-179"><span class="linenos">179</span></a> +</span><span id="Step-180"><a href="#Step-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span> +</span><span id="Step-181"><a href="#Step-181"><span class="linenos">181</span></a> <span class="n">sort</span> <span class="o">=</span> <span class="n">Sort</span><span class="p">()</span> +</span><span id="Step-182"><a href="#Step-182"><span class="linenos">182</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step-183"><a href="#Step-183"><span class="linenos">183</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Step-184"><a href="#Step-184"><span class="linenos">184</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step-185"><a href="#Step-185"><span class="linenos">185</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">sort</span> </span><span id="Step-186"><a href="#Step-186"><span class="linenos">186</span></a> -</span><span id="Step-187"><a href="#Step-187"><span class="linenos">187</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span> -</span><span id="Step-188"><a href="#Step-188"><span class="linenos">188</span></a> <span class="n">sort</span> <span class="o">=</span> <span class="n">Sort</span><span class="p">()</span> -</span><span id="Step-189"><a href="#Step-189"><span class="linenos">189</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-190"><a href="#Step-190"><span class="linenos">190</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Step-191"><a href="#Step-191"><span class="linenos">191</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step-192"><a href="#Step-192"><span class="linenos">192</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">sort</span> -</span><span id="Step-193"><a href="#Step-193"><span class="linenos">193</span></a> -</span><span id="Step-194"><a href="#Step-194"><span class="linenos">194</span></a> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="o">=</span> <span class="n">projections</span> -</span><span id="Step-195"><a href="#Step-195"><span class="linenos">195</span></a> -</span><span id="Step-196"><a href="#Step-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span> -</span><span id="Step-197"><a href="#Step-197"><span class="linenos">197</span></a> <span class="n">distinct</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> -</span><span id="Step-198"><a href="#Step-198"><span class="linenos">198</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-199"><a href="#Step-199"><span class="linenos">199</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-200"><a href="#Step-200"><span class="linenos">200</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Step-201"><a href="#Step-201"><span class="linenos">201</span></a> <span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">col</span><span class="o">=</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="Step-202"><a href="#Step-202"><span class="linenos">202</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">projections</span> <span class="ow">or</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Step-203"><a href="#Step-203"><span class="linenos">203</span></a> <span class="p">}</span> -</span><span id="Step-204"><a href="#Step-204"><span class="linenos">204</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step-205"><a href="#Step-205"><span class="linenos">205</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="Step-187"><a href="#Step-187"><span class="linenos">187</span></a> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="o">=</span> <span class="n">projections</span> +</span><span id="Step-188"><a href="#Step-188"><span class="linenos">188</span></a> +</span><span id="Step-189"><a href="#Step-189"><span class="linenos">189</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span> +</span><span id="Step-190"><a href="#Step-190"><span class="linenos">190</span></a> <span class="n">distinct</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> +</span><span id="Step-191"><a href="#Step-191"><span class="linenos">191</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step-192"><a href="#Step-192"><span class="linenos">192</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step-193"><a href="#Step-193"><span class="linenos">193</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Step-194"><a href="#Step-194"><span class="linenos">194</span></a> <span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">col</span><span class="o">=</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="Step-195"><a href="#Step-195"><span class="linenos">195</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">projections</span> <span class="ow">or</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Step-196"><a href="#Step-196"><span class="linenos">196</span></a> <span class="p">}</span> +</span><span id="Step-197"><a href="#Step-197"><span class="linenos">197</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step-198"><a href="#Step-198"><span class="linenos">198</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="Step-199"><a href="#Step-199"><span class="linenos">199</span></a> +</span><span id="Step-200"><a href="#Step-200"><span class="linenos">200</span></a> <span class="n">limit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"limit"</span><span class="p">)</span> +</span><span id="Step-201"><a href="#Step-201"><span class="linenos">201</span></a> +</span><span id="Step-202"><a href="#Step-202"><span class="linenos">202</span></a> <span class="k">if</span> <span class="n">limit</span><span class="p">:</span> +</span><span id="Step-203"><a href="#Step-203"><span class="linenos">203</span></a> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">limit</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">))</span> +</span><span id="Step-204"><a href="#Step-204"><span class="linenos">204</span></a> +</span><span id="Step-205"><a href="#Step-205"><span class="linenos">205</span></a> <span class="k">return</span> <span class="n">step</span> </span><span id="Step-206"><a href="#Step-206"><span class="linenos">206</span></a> -</span><span id="Step-207"><a href="#Step-207"><span class="linenos">207</span></a> <span class="n">limit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"limit"</span><span class="p">)</span> -</span><span id="Step-208"><a href="#Step-208"><span class="linenos">208</span></a> -</span><span id="Step-209"><a href="#Step-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="n">limit</span><span class="p">:</span> -</span><span id="Step-210"><a href="#Step-210"><span class="linenos">210</span></a> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">limit</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">))</span> -</span><span id="Step-211"><a href="#Step-211"><span class="linenos">211</span></a> -</span><span id="Step-212"><a href="#Step-212"><span class="linenos">212</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="Step-213"><a href="#Step-213"><span class="linenos">213</span></a> -</span><span id="Step-214"><a href="#Step-214"><span class="linenos">214</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Step-215"><a href="#Step-215"><span class="linenos">215</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">name</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Step-216"><a href="#Step-216"><span class="linenos">216</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="Step-217"><a href="#Step-217"><span class="linenos">217</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependents</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="Step-218"><a href="#Step-218"><span class="linenos">218</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</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="Step-219"><a href="#Step-219"><span class="linenos">219</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span> -</span><span id="Step-220"><a href="#Step-220"><span class="linenos">220</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Step-207"><a href="#Step-207"><span class="linenos">207</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Step-208"><a href="#Step-208"><span class="linenos">208</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">name</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Step-209"><a href="#Step-209"><span class="linenos">209</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="Step-210"><a href="#Step-210"><span class="linenos">210</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependents</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">Step</span><span class="p">]</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="Step-211"><a href="#Step-211"><span class="linenos">211</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</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="Step-212"><a href="#Step-212"><span class="linenos">212</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span> +</span><span id="Step-213"><a href="#Step-213"><span class="linenos">213</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Step-214"><a href="#Step-214"><span class="linenos">214</span></a> +</span><span id="Step-215"><a href="#Step-215"><span class="linenos">215</span></a> <span class="k">def</span> <span class="nf">add_dependency</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dependency</span><span class="p">:</span> <span class="n">Step</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Step-216"><a href="#Step-216"><span class="linenos">216</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dependency</span><span class="p">)</span> +</span><span id="Step-217"><a href="#Step-217"><span class="linenos">217</span></a> <span class="n">dependency</span><span class="o">.</span><span class="n">dependents</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> +</span><span id="Step-218"><a href="#Step-218"><span class="linenos">218</span></a> +</span><span id="Step-219"><a href="#Step-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Step-220"><a href="#Step-220"><span class="linenos">220</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">to_s</span><span class="p">()</span> </span><span id="Step-221"><a href="#Step-221"><span class="linenos">221</span></a> -</span><span id="Step-222"><a href="#Step-222"><span class="linenos">222</span></a> <span class="k">def</span> <span class="nf">add_dependency</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dependency</span><span class="p">:</span> <span class="n">Step</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Step-223"><a href="#Step-223"><span class="linenos">223</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dependency</span><span class="p">)</span> -</span><span id="Step-224"><a href="#Step-224"><span class="linenos">224</span></a> <span class="n">dependency</span><span class="o">.</span><span class="n">dependents</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> +</span><span id="Step-222"><a href="#Step-222"><span class="linenos">222</span></a> <span class="k">def</span> <span class="nf">to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">level</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Step-223"><a href="#Step-223"><span class="linenos">223</span></a> <span class="n">indent</span> <span class="o">=</span> <span class="s2">" "</span> <span class="o">*</span> <span class="n">level</span> +</span><span id="Step-224"><a href="#Step-224"><span class="linenos">224</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> "</span> </span><span id="Step-225"><a href="#Step-225"><span class="linenos">225</span></a> -</span><span id="Step-226"><a href="#Step-226"><span class="linenos">226</span></a> <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Step-227"><a href="#Step-227"><span class="linenos">227</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">to_s</span><span class="p">()</span> -</span><span id="Step-228"><a href="#Step-228"><span class="linenos">228</span></a> -</span><span id="Step-229"><a href="#Step-229"><span class="linenos">229</span></a> <span class="k">def</span> <span class="nf">to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">level</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Step-230"><a href="#Step-230"><span class="linenos">230</span></a> <span class="n">indent</span> <span class="o">=</span> <span class="s2">" "</span> <span class="o">*</span> <span class="n">level</span> -</span><span id="Step-231"><a href="#Step-231"><span class="linenos">231</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> "</span> -</span><span id="Step-232"><a href="#Step-232"><span class="linenos">232</span></a> -</span><span id="Step-233"><a href="#Step-233"><span class="linenos">233</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_s</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> "</span><span class="p">)</span> -</span><span id="Step-234"><a href="#Step-234"><span class="linenos">234</span></a> -</span><span id="Step-235"><a href="#Step-235"><span class="linenos">235</span></a> <span class="k">if</span> <span class="n">context</span><span class="p">:</span> -</span><span id="Step-236"><a href="#Step-236"><span class="linenos">236</span></a> <span class="n">context</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Context:"</span><span class="p">]</span> <span class="o">+</span> <span class="n">context</span> -</span><span id="Step-237"><a href="#Step-237"><span class="linenos">237</span></a> -</span><span id="Step-238"><a href="#Step-238"><span class="linenos">238</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="Step-239"><a href="#Step-239"><span class="linenos">239</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">- </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="Step-240"><a href="#Step-240"><span class="linenos">240</span></a> <span class="o">*</span><span class="n">context</span><span class="p">,</span> -</span><span id="Step-241"><a href="#Step-241"><span class="linenos">241</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Projections:"</span><span class="p">,</span> -</span><span id="Step-242"><a href="#Step-242"><span class="linenos">242</span></a> <span class="p">]</span> -</span><span id="Step-243"><a href="#Step-243"><span class="linenos">243</span></a> -</span><span id="Step-244"><a href="#Step-244"><span class="linenos">244</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> -</span><span id="Step-245"><a href="#Step-245"><span class="linenos">245</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Step-246"><a href="#Step-246"><span class="linenos">246</span></a> -</span><span id="Step-247"><a href="#Step-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> -</span><span id="Step-248"><a href="#Step-248"><span class="linenos">248</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Condition: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Step-249"><a href="#Step-249"><span class="linenos">249</span></a> -</span><span id="Step-250"><a href="#Step-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span><span class="p">:</span> -</span><span id="Step-251"><a href="#Step-251"><span class="linenos">251</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Limit: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step-226"><a href="#Step-226"><span class="linenos">226</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_s</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> "</span><span class="p">)</span> +</span><span id="Step-227"><a href="#Step-227"><span class="linenos">227</span></a> +</span><span id="Step-228"><a href="#Step-228"><span class="linenos">228</span></a> <span class="k">if</span> <span class="n">context</span><span class="p">:</span> +</span><span id="Step-229"><a href="#Step-229"><span class="linenos">229</span></a> <span class="n">context</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Context:"</span><span class="p">]</span> <span class="o">+</span> <span class="n">context</span> +</span><span id="Step-230"><a href="#Step-230"><span class="linenos">230</span></a> +</span><span id="Step-231"><a href="#Step-231"><span class="linenos">231</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Step-232"><a href="#Step-232"><span class="linenos">232</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">- </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="Step-233"><a href="#Step-233"><span class="linenos">233</span></a> <span class="o">*</span><span class="n">context</span><span class="p">,</span> +</span><span id="Step-234"><a href="#Step-234"><span class="linenos">234</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Projections:"</span><span class="p">,</span> +</span><span id="Step-235"><a href="#Step-235"><span class="linenos">235</span></a> <span class="p">]</span> +</span><span id="Step-236"><a href="#Step-236"><span class="linenos">236</span></a> +</span><span id="Step-237"><a href="#Step-237"><span class="linenos">237</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="Step-238"><a href="#Step-238"><span class="linenos">238</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step-239"><a href="#Step-239"><span class="linenos">239</span></a> +</span><span id="Step-240"><a href="#Step-240"><span class="linenos">240</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="Step-241"><a href="#Step-241"><span class="linenos">241</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Condition: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step-242"><a href="#Step-242"><span class="linenos">242</span></a> +</span><span id="Step-243"><a href="#Step-243"><span class="linenos">243</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span><span class="p">:</span> +</span><span id="Step-244"><a href="#Step-244"><span class="linenos">244</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Limit: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step-245"><a href="#Step-245"><span class="linenos">245</span></a> +</span><span id="Step-246"><a href="#Step-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="Step-247"><a href="#Step-247"><span class="linenos">247</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Dependencies:"</span><span class="p">)</span> +</span><span id="Step-248"><a href="#Step-248"><span class="linenos">248</span></a> <span class="k">for</span> <span class="n">dependency</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="Step-249"><a href="#Step-249"><span class="linenos">249</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">" "</span> <span class="o">+</span> <span class="n">dependency</span><span class="o">.</span><span class="n">to_s</span><span class="p">(</span><span class="n">level</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span> +</span><span id="Step-250"><a href="#Step-250"><span class="linenos">250</span></a> +</span><span id="Step-251"><a href="#Step-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> </span><span id="Step-252"><a href="#Step-252"><span class="linenos">252</span></a> -</span><span id="Step-253"><a href="#Step-253"><span class="linenos">253</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="Step-254"><a href="#Step-254"><span class="linenos">254</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Dependencies:"</span><span class="p">)</span> -</span><span id="Step-255"><a href="#Step-255"><span class="linenos">255</span></a> <span class="k">for</span> <span class="n">dependency</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="Step-256"><a href="#Step-256"><span class="linenos">256</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">" "</span> <span class="o">+</span> <span class="n">dependency</span><span class="o">.</span><span class="n">to_s</span><span class="p">(</span><span class="n">level</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span> -</span><span id="Step-257"><a href="#Step-257"><span class="linenos">257</span></a> -</span><span id="Step-258"><a href="#Step-258"><span class="linenos">258</span></a> <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> -</span><span id="Step-259"><a href="#Step-259"><span class="linenos">259</span></a> -</span><span id="Step-260"><a href="#Step-260"><span class="linenos">260</span></a> <span class="nd">@property</span> -</span><span id="Step-261"><a href="#Step-261"><span class="linenos">261</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Step-262"><a href="#Step-262"><span class="linenos">262</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span> -</span><span id="Step-263"><a href="#Step-263"><span class="linenos">263</span></a> -</span><span id="Step-264"><a href="#Step-264"><span class="linenos">264</span></a> <span class="nd">@property</span> -</span><span id="Step-265"><a href="#Step-265"><span class="linenos">265</span></a> <span class="k">def</span> <span class="nf">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Step-266"><a href="#Step-266"><span class="linenos">266</span></a> <span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step-267"><a href="#Step-267"><span class="linenos">267</span></a> <span class="n">name</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">name</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="Step-268"><a href="#Step-268"><span class="linenos">268</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">type_name</span><span class="si">}</span><span class="s2">:</span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> -</span><span id="Step-269"><a href="#Step-269"><span class="linenos">269</span></a> -</span><span id="Step-270"><a href="#Step-270"><span class="linenos">270</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Step-271"><a href="#Step-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="p">[]</span> +</span><span id="Step-253"><a href="#Step-253"><span class="linenos">253</span></a> <span class="nd">@property</span> +</span><span id="Step-254"><a href="#Step-254"><span class="linenos">254</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Step-255"><a href="#Step-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span> +</span><span id="Step-256"><a href="#Step-256"><span class="linenos">256</span></a> +</span><span id="Step-257"><a href="#Step-257"><span class="linenos">257</span></a> <span class="nd">@property</span> +</span><span id="Step-258"><a href="#Step-258"><span class="linenos">258</span></a> <span class="k">def</span> <span class="nf">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Step-259"><a href="#Step-259"><span class="linenos">259</span></a> <span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step-260"><a href="#Step-260"><span class="linenos">260</span></a> <span class="n">name</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">name</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="Step-261"><a href="#Step-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">type_name</span><span class="si">}</span><span class="s2">:</span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="nb">id</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="Step-262"><a href="#Step-262"><span class="linenos">262</span></a> +</span><span id="Step-263"><a href="#Step-263"><span class="linenos">263</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Step-264"><a href="#Step-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="p">[]</span> </span></pre></div> @@ -863,175 +850,169 @@ </div> <a class="headerlink" href="#Step.from_expression"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Step.from_expression-44"><a href="#Step.from_expression-44"><span class="linenos"> 44</span></a> <span class="nd">@classmethod</span> -</span><span id="Step.from_expression-45"><a href="#Step.from_expression-45"><span class="linenos"> 45</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="Step.from_expression-46"><a href="#Step.from_expression-46"><span class="linenos"> 46</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Step.from_expression-47"><a href="#Step.from_expression-47"><span class="linenos"> 47</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="Step.from_expression-48"><a href="#Step.from_expression-48"><span class="linenos"> 48</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Step.from_expression-49"><a href="#Step.from_expression-49"><span class="linenos"> 49</span></a><span class="sd"> Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.</span> -</span><span id="Step.from_expression-50"><a href="#Step.from_expression-50"><span class="linenos"> 50</span></a><span class="sd"> Note: the expression's tables and subqueries must be aliased for this method to work. For</span> -</span><span id="Step.from_expression-51"><a href="#Step.from_expression-51"><span class="linenos"> 51</span></a><span class="sd"> example, given the following expression:</span> -</span><span id="Step.from_expression-52"><a href="#Step.from_expression-52"><span class="linenos"> 52</span></a> -</span><span id="Step.from_expression-53"><a href="#Step.from_expression-53"><span class="linenos"> 53</span></a><span class="sd"> SELECT</span> -</span><span id="Step.from_expression-54"><a href="#Step.from_expression-54"><span class="linenos"> 54</span></a><span class="sd"> x.a,</span> -</span><span id="Step.from_expression-55"><a href="#Step.from_expression-55"><span class="linenos"> 55</span></a><span class="sd"> SUM(x.b)</span> -</span><span id="Step.from_expression-56"><a href="#Step.from_expression-56"><span class="linenos"> 56</span></a><span class="sd"> FROM x AS x</span> -</span><span id="Step.from_expression-57"><a href="#Step.from_expression-57"><span class="linenos"> 57</span></a><span class="sd"> JOIN y AS y</span> -</span><span id="Step.from_expression-58"><a href="#Step.from_expression-58"><span class="linenos"> 58</span></a><span class="sd"> ON x.a = y.a</span> -</span><span id="Step.from_expression-59"><a href="#Step.from_expression-59"><span class="linenos"> 59</span></a><span class="sd"> GROUP BY x.a</span> -</span><span id="Step.from_expression-60"><a href="#Step.from_expression-60"><span class="linenos"> 60</span></a> -</span><span id="Step.from_expression-61"><a href="#Step.from_expression-61"><span class="linenos"> 61</span></a><span class="sd"> the following DAG is produced (the expression IDs might differ per execution):</span> -</span><span id="Step.from_expression-62"><a href="#Step.from_expression-62"><span class="linenos"> 62</span></a> -</span><span id="Step.from_expression-63"><a href="#Step.from_expression-63"><span class="linenos"> 63</span></a><span class="sd"> - Aggregate: x (4347984624)</span> -</span><span id="Step.from_expression-64"><a href="#Step.from_expression-64"><span class="linenos"> 64</span></a><span class="sd"> Context:</span> -</span><span id="Step.from_expression-65"><a href="#Step.from_expression-65"><span class="linenos"> 65</span></a><span class="sd"> Aggregations:</span> -</span><span id="Step.from_expression-66"><a href="#Step.from_expression-66"><span class="linenos"> 66</span></a><span class="sd"> - SUM(x.b)</span> -</span><span id="Step.from_expression-67"><a href="#Step.from_expression-67"><span class="linenos"> 67</span></a><span class="sd"> Group:</span> -</span><span id="Step.from_expression-68"><a href="#Step.from_expression-68"><span class="linenos"> 68</span></a><span class="sd"> - x.a</span> -</span><span id="Step.from_expression-69"><a href="#Step.from_expression-69"><span class="linenos"> 69</span></a><span class="sd"> Projections:</span> -</span><span id="Step.from_expression-70"><a href="#Step.from_expression-70"><span class="linenos"> 70</span></a><span class="sd"> - x.a</span> -</span><span id="Step.from_expression-71"><a href="#Step.from_expression-71"><span class="linenos"> 71</span></a><span class="sd"> - "x".""</span> -</span><span id="Step.from_expression-72"><a href="#Step.from_expression-72"><span class="linenos"> 72</span></a><span class="sd"> Dependencies:</span> -</span><span id="Step.from_expression-73"><a href="#Step.from_expression-73"><span class="linenos"> 73</span></a><span class="sd"> - Join: x (4347985296)</span> -</span><span id="Step.from_expression-74"><a href="#Step.from_expression-74"><span class="linenos"> 74</span></a><span class="sd"> Context:</span> -</span><span id="Step.from_expression-75"><a href="#Step.from_expression-75"><span class="linenos"> 75</span></a><span class="sd"> y:</span> -</span><span id="Step.from_expression-76"><a href="#Step.from_expression-76"><span class="linenos"> 76</span></a><span class="sd"> On: x.a = y.a</span> -</span><span id="Step.from_expression-77"><a href="#Step.from_expression-77"><span class="linenos"> 77</span></a><span class="sd"> Projections:</span> -</span><span id="Step.from_expression-78"><a href="#Step.from_expression-78"><span class="linenos"> 78</span></a><span class="sd"> Dependencies:</span> -</span><span id="Step.from_expression-79"><a href="#Step.from_expression-79"><span class="linenos"> 79</span></a><span class="sd"> - Scan: x (4347983136)</span> -</span><span id="Step.from_expression-80"><a href="#Step.from_expression-80"><span class="linenos"> 80</span></a><span class="sd"> Context:</span> -</span><span id="Step.from_expression-81"><a href="#Step.from_expression-81"><span class="linenos"> 81</span></a><span class="sd"> Source: x AS x</span> -</span><span id="Step.from_expression-82"><a href="#Step.from_expression-82"><span class="linenos"> 82</span></a><span class="sd"> Projections:</span> -</span><span id="Step.from_expression-83"><a href="#Step.from_expression-83"><span class="linenos"> 83</span></a><span class="sd"> - Scan: y (4343416624)</span> -</span><span id="Step.from_expression-84"><a href="#Step.from_expression-84"><span class="linenos"> 84</span></a><span class="sd"> Context:</span> -</span><span id="Step.from_expression-85"><a href="#Step.from_expression-85"><span class="linenos"> 85</span></a><span class="sd"> Source: y AS y</span> -</span><span id="Step.from_expression-86"><a href="#Step.from_expression-86"><span class="linenos"> 86</span></a><span class="sd"> Projections:</span> -</span><span id="Step.from_expression-87"><a href="#Step.from_expression-87"><span class="linenos"> 87</span></a> -</span><span id="Step.from_expression-88"><a href="#Step.from_expression-88"><span class="linenos"> 88</span></a><span class="sd"> Args:</span> -</span><span id="Step.from_expression-89"><a href="#Step.from_expression-89"><span class="linenos"> 89</span></a><span class="sd"> expression: the expression to build the DAG from.</span> -</span><span id="Step.from_expression-90"><a href="#Step.from_expression-90"><span class="linenos"> 90</span></a><span class="sd"> ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.</span> -</span><span id="Step.from_expression-91"><a href="#Step.from_expression-91"><span class="linenos"> 91</span></a> -</span><span id="Step.from_expression-92"><a href="#Step.from_expression-92"><span class="linenos"> 92</span></a><span class="sd"> Returns:</span> -</span><span id="Step.from_expression-93"><a href="#Step.from_expression-93"><span class="linenos"> 93</span></a><span class="sd"> A Step DAG corresponding to `expression`.</span> -</span><span id="Step.from_expression-94"><a href="#Step.from_expression-94"><span class="linenos"> 94</span></a><span class="sd"> """</span> -</span><span id="Step.from_expression-95"><a href="#Step.from_expression-95"><span class="linenos"> 95</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span> <span class="ow">or</span> <span class="p">{}</span> -</span><span id="Step.from_expression-96"><a href="#Step.from_expression-96"><span class="linenos"> 96</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span> -</span><span id="Step.from_expression-97"><a href="#Step.from_expression-97"><span class="linenos"> 97</span></a> -</span><span id="Step.from_expression-98"><a href="#Step.from_expression-98"><span class="linenos"> 98</span></a> <span class="c1"># CTEs break the mold of scope and introduce themselves to all in the context.</span> -</span><span id="Step.from_expression-99"><a href="#Step.from_expression-99"><span class="linenos"> 99</span></a> <span class="k">if</span> <span class="n">with_</span><span class="p">:</span> -</span><span id="Step.from_expression-100"><a href="#Step.from_expression-100"><span class="linenos">100</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Step.from_expression-101"><a href="#Step.from_expression-101"><span class="linenos">101</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="Step.from_expression-102"><a href="#Step.from_expression-102"><span class="linenos">102</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">cte</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step.from_expression-103"><a href="#Step.from_expression-103"><span class="linenos">103</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span> -</span><span id="Step.from_expression-104"><a href="#Step.from_expression-104"><span class="linenos">104</span></a> <span class="n">ctes</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">step</span> <span class="c1"># type: ignore</span> -</span><span id="Step.from_expression-105"><a href="#Step.from_expression-105"><span class="linenos">105</span></a> -</span><span id="Step.from_expression-106"><a href="#Step.from_expression-106"><span class="linenos">106</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span> -</span><span id="Step.from_expression-107"><a href="#Step.from_expression-107"><span class="linenos">107</span></a> -</span><span id="Step.from_expression-108"><a href="#Step.from_expression-108"><span class="linenos">108</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">from_</span><span class="p">:</span> -</span><span id="Step.from_expression-109"><a href="#Step.from_expression-109"><span class="linenos">109</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">from_</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Step.from_expression-110"><a href="#Step.from_expression-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">from_</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Step.from_expression-111"><a href="#Step.from_expression-111"><span class="linenos">111</span></a> <span class="k">raise</span> <span class="n">UnsupportedError</span><span class="p">(</span> -</span><span id="Step.from_expression-112"><a href="#Step.from_expression-112"><span class="linenos">112</span></a> <span class="s2">"Multi-from statements are unsupported. Run it through the optimizer"</span> -</span><span id="Step.from_expression-113"><a href="#Step.from_expression-113"><span class="linenos">113</span></a> <span class="p">)</span> -</span><span id="Step.from_expression-114"><a href="#Step.from_expression-114"><span class="linenos">114</span></a> -</span><span id="Step.from_expression-115"><a href="#Step.from_expression-115"><span class="linenos">115</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">from_</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step.from_expression-116"><a href="#Step.from_expression-116"><span class="linenos">116</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">Union</span><span class="p">):</span> -</span><span id="Step.from_expression-117"><a href="#Step.from_expression-117"><span class="linenos">117</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">SetOperation</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step.from_expression-118"><a href="#Step.from_expression-118"><span class="linenos">118</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="Step.from_expression-119"><a href="#Step.from_expression-119"><span class="linenos">119</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> -</span><span id="Step.from_expression-120"><a href="#Step.from_expression-120"><span class="linenos">120</span></a> -</span><span id="Step.from_expression-121"><a href="#Step.from_expression-121"><span class="linenos">121</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> -</span><span id="Step.from_expression-122"><a href="#Step.from_expression-122"><span class="linenos">122</span></a> -</span><span id="Step.from_expression-123"><a href="#Step.from_expression-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="n">joins</span><span class="p">:</span> -</span><span id="Step.from_expression-124"><a href="#Step.from_expression-124"><span class="linenos">124</span></a> <span class="n">join</span> <span class="o">=</span> <span class="n">Join</span><span class="o">.</span><span class="n">from_joins</span><span class="p">(</span><span class="n">joins</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Step.from_expression-125"><a href="#Step.from_expression-125"><span class="linenos">125</span></a> <span class="n">join</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step.from_expression-126"><a href="#Step.from_expression-126"><span class="linenos">126</span></a> <span class="n">join</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step.from_expression-127"><a href="#Step.from_expression-127"><span class="linenos">127</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">join</span> -</span><span id="Step.from_expression-128"><a href="#Step.from_expression-128"><span class="linenos">128</span></a> -</span><span id="Step.from_expression-129"><a href="#Step.from_expression-129"><span class="linenos">129</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># final selects in this chain of steps representing a select</span> -</span><span id="Step.from_expression-130"><a href="#Step.from_expression-130"><span class="linenos">130</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># intermediate computations of agg funcs eg x + 1 in SUM(x + 1)</span> -</span><span id="Step.from_expression-131"><a href="#Step.from_expression-131"><span class="linenos">131</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Step.from_expression-132"><a href="#Step.from_expression-132"><span class="linenos">132</span></a> <span class="n">sequence</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> -</span><span id="Step.from_expression-133"><a href="#Step.from_expression-133"><span class="linenos">133</span></a> -</span><span id="Step.from_expression-134"><a href="#Step.from_expression-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">extract_agg_operands</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="Step.from_expression-135"><a href="#Step.from_expression-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="Step.from_expression-136"><a href="#Step.from_expression-136"><span class="linenos">136</span></a> <span class="k">for</span> <span class="n">operand</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">():</span> -</span><span id="Step.from_expression-137"><a href="#Step.from_expression-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="Step.from_expression-138"><a href="#Step.from_expression-138"><span class="linenos">138</span></a> <span class="k">continue</span> -</span><span id="Step.from_expression-139"><a href="#Step.from_expression-139"><span class="linenos">139</span></a> <span class="k">if</span> <span class="n">operand</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">operands</span><span class="p">:</span> -</span><span id="Step.from_expression-140"><a href="#Step.from_expression-140"><span class="linenos">140</span></a> <span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"_a_</span><span class="si">{</span><span class="nb">next</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> -</span><span id="Step.from_expression-141"><a href="#Step.from_expression-141"><span class="linenos">141</span></a> <span class="n">operand</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">],</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="Step.from_expression-142"><a href="#Step.from_expression-142"><span class="linenos">142</span></a> -</span><span id="Step.from_expression-143"><a href="#Step.from_expression-143"><span class="linenos">143</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="Step.from_expression-144"><a href="#Step.from_expression-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="Step.from_expression-145"><a href="#Step.from_expression-145"><span class="linenos">145</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="Step.from_expression-146"><a href="#Step.from_expression-146"><span class="linenos">146</span></a> <span class="n">aggregations</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="Step.from_expression-147"><a href="#Step.from_expression-147"><span class="linenos">147</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> -</span><span id="Step.from_expression-148"><a href="#Step.from_expression-148"><span class="linenos">148</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="Step.from_expression-149"><a href="#Step.from_expression-149"><span class="linenos">149</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Step.from_expression-43"><a href="#Step.from_expression-43"><span class="linenos"> 43</span></a> <span class="nd">@classmethod</span> +</span><span id="Step.from_expression-44"><a href="#Step.from_expression-44"><span class="linenos"> 44</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="Step.from_expression-45"><a href="#Step.from_expression-45"><span class="linenos"> 45</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Step.from_expression-46"><a href="#Step.from_expression-46"><span class="linenos"> 46</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="Step.from_expression-47"><a href="#Step.from_expression-47"><span class="linenos"> 47</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Step.from_expression-48"><a href="#Step.from_expression-48"><span class="linenos"> 48</span></a><span class="sd"> Builds a DAG of Steps from a SQL expression so that it's easier to execute in an engine.</span> +</span><span id="Step.from_expression-49"><a href="#Step.from_expression-49"><span class="linenos"> 49</span></a><span class="sd"> Note: the expression's tables and subqueries must be aliased for this method to work. For</span> +</span><span id="Step.from_expression-50"><a href="#Step.from_expression-50"><span class="linenos"> 50</span></a><span class="sd"> example, given the following expression:</span> +</span><span id="Step.from_expression-51"><a href="#Step.from_expression-51"><span class="linenos"> 51</span></a> +</span><span id="Step.from_expression-52"><a href="#Step.from_expression-52"><span class="linenos"> 52</span></a><span class="sd"> SELECT</span> +</span><span id="Step.from_expression-53"><a href="#Step.from_expression-53"><span class="linenos"> 53</span></a><span class="sd"> x.a,</span> +</span><span id="Step.from_expression-54"><a href="#Step.from_expression-54"><span class="linenos"> 54</span></a><span class="sd"> SUM(x.b)</span> +</span><span id="Step.from_expression-55"><a href="#Step.from_expression-55"><span class="linenos"> 55</span></a><span class="sd"> FROM x AS x</span> +</span><span id="Step.from_expression-56"><a href="#Step.from_expression-56"><span class="linenos"> 56</span></a><span class="sd"> JOIN y AS y</span> +</span><span id="Step.from_expression-57"><a href="#Step.from_expression-57"><span class="linenos"> 57</span></a><span class="sd"> ON x.a = y.a</span> +</span><span id="Step.from_expression-58"><a href="#Step.from_expression-58"><span class="linenos"> 58</span></a><span class="sd"> GROUP BY x.a</span> +</span><span id="Step.from_expression-59"><a href="#Step.from_expression-59"><span class="linenos"> 59</span></a> +</span><span id="Step.from_expression-60"><a href="#Step.from_expression-60"><span class="linenos"> 60</span></a><span class="sd"> the following DAG is produced (the expression IDs might differ per execution):</span> +</span><span id="Step.from_expression-61"><a href="#Step.from_expression-61"><span class="linenos"> 61</span></a> +</span><span id="Step.from_expression-62"><a href="#Step.from_expression-62"><span class="linenos"> 62</span></a><span class="sd"> - Aggregate: x (4347984624)</span> +</span><span id="Step.from_expression-63"><a href="#Step.from_expression-63"><span class="linenos"> 63</span></a><span class="sd"> Context:</span> +</span><span id="Step.from_expression-64"><a href="#Step.from_expression-64"><span class="linenos"> 64</span></a><span class="sd"> Aggregations:</span> +</span><span id="Step.from_expression-65"><a href="#Step.from_expression-65"><span class="linenos"> 65</span></a><span class="sd"> - SUM(x.b)</span> +</span><span id="Step.from_expression-66"><a href="#Step.from_expression-66"><span class="linenos"> 66</span></a><span class="sd"> Group:</span> +</span><span id="Step.from_expression-67"><a href="#Step.from_expression-67"><span class="linenos"> 67</span></a><span class="sd"> - x.a</span> +</span><span id="Step.from_expression-68"><a href="#Step.from_expression-68"><span class="linenos"> 68</span></a><span class="sd"> Projections:</span> +</span><span id="Step.from_expression-69"><a href="#Step.from_expression-69"><span class="linenos"> 69</span></a><span class="sd"> - x.a</span> +</span><span id="Step.from_expression-70"><a href="#Step.from_expression-70"><span class="linenos"> 70</span></a><span class="sd"> - "x".""</span> +</span><span id="Step.from_expression-71"><a href="#Step.from_expression-71"><span class="linenos"> 71</span></a><span class="sd"> Dependencies:</span> +</span><span id="Step.from_expression-72"><a href="#Step.from_expression-72"><span class="linenos"> 72</span></a><span class="sd"> - Join: x (4347985296)</span> +</span><span id="Step.from_expression-73"><a href="#Step.from_expression-73"><span class="linenos"> 73</span></a><span class="sd"> Context:</span> +</span><span id="Step.from_expression-74"><a href="#Step.from_expression-74"><span class="linenos"> 74</span></a><span class="sd"> y:</span> +</span><span id="Step.from_expression-75"><a href="#Step.from_expression-75"><span class="linenos"> 75</span></a><span class="sd"> On: x.a = y.a</span> +</span><span id="Step.from_expression-76"><a href="#Step.from_expression-76"><span class="linenos"> 76</span></a><span class="sd"> Projections:</span> +</span><span id="Step.from_expression-77"><a href="#Step.from_expression-77"><span class="linenos"> 77</span></a><span class="sd"> Dependencies:</span> +</span><span id="Step.from_expression-78"><a href="#Step.from_expression-78"><span class="linenos"> 78</span></a><span class="sd"> - Scan: x (4347983136)</span> +</span><span id="Step.from_expression-79"><a href="#Step.from_expression-79"><span class="linenos"> 79</span></a><span class="sd"> Context:</span> +</span><span id="Step.from_expression-80"><a href="#Step.from_expression-80"><span class="linenos"> 80</span></a><span class="sd"> Source: x AS x</span> +</span><span id="Step.from_expression-81"><a href="#Step.from_expression-81"><span class="linenos"> 81</span></a><span class="sd"> Projections:</span> +</span><span id="Step.from_expression-82"><a href="#Step.from_expression-82"><span class="linenos"> 82</span></a><span class="sd"> - Scan: y (4343416624)</span> +</span><span id="Step.from_expression-83"><a href="#Step.from_expression-83"><span class="linenos"> 83</span></a><span class="sd"> Context:</span> +</span><span id="Step.from_expression-84"><a href="#Step.from_expression-84"><span class="linenos"> 84</span></a><span class="sd"> Source: y AS y</span> +</span><span id="Step.from_expression-85"><a href="#Step.from_expression-85"><span class="linenos"> 85</span></a><span class="sd"> Projections:</span> +</span><span id="Step.from_expression-86"><a href="#Step.from_expression-86"><span class="linenos"> 86</span></a> +</span><span id="Step.from_expression-87"><a href="#Step.from_expression-87"><span class="linenos"> 87</span></a><span class="sd"> Args:</span> +</span><span id="Step.from_expression-88"><a href="#Step.from_expression-88"><span class="linenos"> 88</span></a><span class="sd"> expression: the expression to build the DAG from.</span> +</span><span id="Step.from_expression-89"><a href="#Step.from_expression-89"><span class="linenos"> 89</span></a><span class="sd"> ctes: a dictionary that maps CTEs to their corresponding Step DAG by name.</span> +</span><span id="Step.from_expression-90"><a href="#Step.from_expression-90"><span class="linenos"> 90</span></a> +</span><span id="Step.from_expression-91"><a href="#Step.from_expression-91"><span class="linenos"> 91</span></a><span class="sd"> Returns:</span> +</span><span id="Step.from_expression-92"><a href="#Step.from_expression-92"><span class="linenos"> 92</span></a><span class="sd"> A Step DAG corresponding to `expression`.</span> +</span><span id="Step.from_expression-93"><a href="#Step.from_expression-93"><span class="linenos"> 93</span></a><span class="sd"> """</span> +</span><span id="Step.from_expression-94"><a href="#Step.from_expression-94"><span class="linenos"> 94</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span> <span class="ow">or</span> <span class="p">{}</span> +</span><span id="Step.from_expression-95"><a href="#Step.from_expression-95"><span class="linenos"> 95</span></a> <span class="n">with_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"with"</span><span class="p">)</span> +</span><span id="Step.from_expression-96"><a href="#Step.from_expression-96"><span class="linenos"> 96</span></a> +</span><span id="Step.from_expression-97"><a href="#Step.from_expression-97"><span class="linenos"> 97</span></a> <span class="c1"># CTEs break the mold of scope and introduce themselves to all in the context.</span> +</span><span id="Step.from_expression-98"><a href="#Step.from_expression-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="n">with_</span><span class="p">:</span> +</span><span id="Step.from_expression-99"><a href="#Step.from_expression-99"><span class="linenos"> 99</span></a> <span class="n">ctes</span> <span class="o">=</span> <span class="n">ctes</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Step.from_expression-100"><a href="#Step.from_expression-100"><span class="linenos">100</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">with_</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="Step.from_expression-101"><a href="#Step.from_expression-101"><span class="linenos">101</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">cte</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step.from_expression-102"><a href="#Step.from_expression-102"><span class="linenos">102</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">alias</span> +</span><span id="Step.from_expression-103"><a href="#Step.from_expression-103"><span class="linenos">103</span></a> <span class="n">ctes</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">step</span> <span class="c1"># type: ignore</span> +</span><span id="Step.from_expression-104"><a href="#Step.from_expression-104"><span class="linenos">104</span></a> +</span><span id="Step.from_expression-105"><a href="#Step.from_expression-105"><span class="linenos">105</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">)</span> +</span><span id="Step.from_expression-106"><a href="#Step.from_expression-106"><span class="linenos">106</span></a> +</span><span id="Step.from_expression-107"><a href="#Step.from_expression-107"><span class="linenos">107</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">from_</span><span class="p">:</span> +</span><span id="Step.from_expression-108"><a href="#Step.from_expression-108"><span class="linenos">108</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">from_</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step.from_expression-109"><a href="#Step.from_expression-109"><span class="linenos">109</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="Step.from_expression-110"><a href="#Step.from_expression-110"><span class="linenos">110</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">SetOperation</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step.from_expression-111"><a href="#Step.from_expression-111"><span class="linenos">111</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="Step.from_expression-112"><a href="#Step.from_expression-112"><span class="linenos">112</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> +</span><span id="Step.from_expression-113"><a href="#Step.from_expression-113"><span class="linenos">113</span></a> +</span><span id="Step.from_expression-114"><a href="#Step.from_expression-114"><span class="linenos">114</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> +</span><span id="Step.from_expression-115"><a href="#Step.from_expression-115"><span class="linenos">115</span></a> +</span><span id="Step.from_expression-116"><a href="#Step.from_expression-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="n">joins</span><span class="p">:</span> +</span><span id="Step.from_expression-117"><a href="#Step.from_expression-117"><span class="linenos">117</span></a> <span class="n">join</span> <span class="o">=</span> <span class="n">Join</span><span class="o">.</span><span class="n">from_joins</span><span class="p">(</span><span class="n">joins</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Step.from_expression-118"><a href="#Step.from_expression-118"><span class="linenos">118</span></a> <span class="n">join</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step.from_expression-119"><a href="#Step.from_expression-119"><span class="linenos">119</span></a> <span class="n">join</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step.from_expression-120"><a href="#Step.from_expression-120"><span class="linenos">120</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">join</span> +</span><span id="Step.from_expression-121"><a href="#Step.from_expression-121"><span class="linenos">121</span></a> +</span><span id="Step.from_expression-122"><a href="#Step.from_expression-122"><span class="linenos">122</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># final selects in this chain of steps representing a select</span> +</span><span id="Step.from_expression-123"><a href="#Step.from_expression-123"><span class="linenos">123</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># intermediate computations of agg funcs eg x + 1 in SUM(x + 1)</span> +</span><span id="Step.from_expression-124"><a href="#Step.from_expression-124"><span class="linenos">124</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Step.from_expression-125"><a href="#Step.from_expression-125"><span class="linenos">125</span></a> <span class="n">sequence</span> <span class="o">=</span> <span class="n">itertools</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> +</span><span id="Step.from_expression-126"><a href="#Step.from_expression-126"><span class="linenos">126</span></a> +</span><span id="Step.from_expression-127"><a href="#Step.from_expression-127"><span class="linenos">127</span></a> <span class="k">def</span> <span class="nf">extract_agg_operands</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="Step.from_expression-128"><a href="#Step.from_expression-128"><span class="linenos">128</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="Step.from_expression-129"><a href="#Step.from_expression-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">operand</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">():</span> +</span><span id="Step.from_expression-130"><a href="#Step.from_expression-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="Step.from_expression-131"><a href="#Step.from_expression-131"><span class="linenos">131</span></a> <span class="k">continue</span> +</span><span id="Step.from_expression-132"><a href="#Step.from_expression-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="n">operand</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">operands</span><span class="p">:</span> +</span><span id="Step.from_expression-133"><a href="#Step.from_expression-133"><span class="linenos">133</span></a> <span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">]</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"_a_</span><span class="si">{</span><span class="nb">next</span><span class="p">(</span><span class="n">sequence</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> +</span><span id="Step.from_expression-134"><a href="#Step.from_expression-134"><span class="linenos">134</span></a> <span class="n">operand</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">operands</span><span class="p">[</span><span class="n">operand</span><span class="p">],</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="Step.from_expression-135"><a href="#Step.from_expression-135"><span class="linenos">135</span></a> +</span><span id="Step.from_expression-136"><a href="#Step.from_expression-136"><span class="linenos">136</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="Step.from_expression-137"><a href="#Step.from_expression-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="Step.from_expression-138"><a href="#Step.from_expression-138"><span class="linenos">138</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="Step.from_expression-139"><a href="#Step.from_expression-139"><span class="linenos">139</span></a> <span class="n">aggregations</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="Step.from_expression-140"><a href="#Step.from_expression-140"><span class="linenos">140</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="Step.from_expression-141"><a href="#Step.from_expression-141"><span class="linenos">141</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="Step.from_expression-142"><a href="#Step.from_expression-142"><span class="linenos">142</span></a> <span class="n">projections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">e</span><span class="p">)</span> +</span><span id="Step.from_expression-143"><a href="#Step.from_expression-143"><span class="linenos">143</span></a> +</span><span id="Step.from_expression-144"><a href="#Step.from_expression-144"><span class="linenos">144</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span> +</span><span id="Step.from_expression-145"><a href="#Step.from_expression-145"><span class="linenos">145</span></a> +</span><span id="Step.from_expression-146"><a href="#Step.from_expression-146"><span class="linenos">146</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span> +</span><span id="Step.from_expression-147"><a href="#Step.from_expression-147"><span class="linenos">147</span></a> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span> +</span><span id="Step.from_expression-148"><a href="#Step.from_expression-148"><span class="linenos">148</span></a> +</span><span id="Step.from_expression-149"><a href="#Step.from_expression-149"><span class="linenos">149</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> </span><span id="Step.from_expression-150"><a href="#Step.from_expression-150"><span class="linenos">150</span></a> -</span><span id="Step.from_expression-151"><a href="#Step.from_expression-151"><span class="linenos">151</span></a> <span class="n">where</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">)</span> -</span><span id="Step.from_expression-152"><a href="#Step.from_expression-152"><span class="linenos">152</span></a> -</span><span id="Step.from_expression-153"><a href="#Step.from_expression-153"><span class="linenos">153</span></a> <span class="k">if</span> <span class="n">where</span><span class="p">:</span> -</span><span id="Step.from_expression-154"><a href="#Step.from_expression-154"><span class="linenos">154</span></a> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">where</span><span class="o">.</span><span class="n">this</span> +</span><span id="Step.from_expression-151"><a href="#Step.from_expression-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="n">group</span> <span class="ow">or</span> <span class="n">aggregations</span><span class="p">:</span> +</span><span id="Step.from_expression-152"><a href="#Step.from_expression-152"><span class="linenos">152</span></a> <span class="n">aggregate</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> +</span><span id="Step.from_expression-153"><a href="#Step.from_expression-153"><span class="linenos">153</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step.from_expression-154"><a href="#Step.from_expression-154"><span class="linenos">154</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> </span><span id="Step.from_expression-155"><a href="#Step.from_expression-155"><span class="linenos">155</span></a> -</span><span id="Step.from_expression-156"><a href="#Step.from_expression-156"><span class="linenos">156</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> +</span><span id="Step.from_expression-156"><a href="#Step.from_expression-156"><span class="linenos">156</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> </span><span id="Step.from_expression-157"><a href="#Step.from_expression-157"><span class="linenos">157</span></a> -</span><span id="Step.from_expression-158"><a href="#Step.from_expression-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="n">group</span> <span class="ow">or</span> <span class="n">aggregations</span><span class="p">:</span> -</span><span id="Step.from_expression-159"><a href="#Step.from_expression-159"><span class="linenos">159</span></a> <span class="n">aggregate</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> -</span><span id="Step.from_expression-160"><a href="#Step.from_expression-160"><span class="linenos">160</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step.from_expression-161"><a href="#Step.from_expression-161"><span class="linenos">161</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step.from_expression-162"><a href="#Step.from_expression-162"><span class="linenos">162</span></a> -</span><span id="Step.from_expression-163"><a href="#Step.from_expression-163"><span class="linenos">163</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> -</span><span id="Step.from_expression-164"><a href="#Step.from_expression-164"><span class="linenos">164</span></a> -</span><span id="Step.from_expression-165"><a href="#Step.from_expression-165"><span class="linenos">165</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> -</span><span id="Step.from_expression-166"><a href="#Step.from_expression-166"><span class="linenos">166</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">having</span><span class="p">)</span> -</span><span id="Step.from_expression-167"><a href="#Step.from_expression-167"><span class="linenos">167</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">having</span><span class="o">.</span><span class="n">this</span> -</span><span id="Step.from_expression-168"><a href="#Step.from_expression-168"><span class="linenos">168</span></a> -</span><span id="Step.from_expression-169"><a href="#Step.from_expression-169"><span class="linenos">169</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">operands</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> -</span><span id="Step.from_expression-170"><a href="#Step.from_expression-170"><span class="linenos">170</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span> <span class="k">for</span> <span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span> <span class="ow">in</span> <span class="n">operands</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="Step.from_expression-171"><a href="#Step.from_expression-171"><span class="linenos">171</span></a> <span class="p">)</span> -</span><span id="Step.from_expression-172"><a href="#Step.from_expression-172"><span class="linenos">172</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">aggregations</span> <span class="o">=</span> <span class="n">aggregations</span> -</span><span id="Step.from_expression-173"><a href="#Step.from_expression-173"><span class="linenos">173</span></a> <span class="c1"># give aggregates names and replace projections with references to them</span> -</span><span id="Step.from_expression-174"><a href="#Step.from_expression-174"><span class="linenos">174</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Step.from_expression-175"><a href="#Step.from_expression-175"><span class="linenos">175</span></a> <span class="sa">f</span><span class="s2">"_g</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">:</span> <span class="n">e</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">group</span> <span class="k">else</span> <span class="p">[])</span> -</span><span id="Step.from_expression-176"><a href="#Step.from_expression-176"><span class="linenos">176</span></a> <span class="p">}</span> -</span><span id="Step.from_expression-177"><a href="#Step.from_expression-177"><span class="linenos">177</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="Step.from_expression-178"><a href="#Step.from_expression-178"><span class="linenos">178</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="Step.from_expression-179"><a href="#Step.from_expression-179"><span class="linenos">179</span></a> <span class="k">for</span> <span class="n">child</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">projection</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> -</span><span id="Step.from_expression-180"><a href="#Step.from_expression-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="n">child</span> <span class="o">==</span> <span class="n">e</span><span class="p">:</span> -</span><span id="Step.from_expression-181"><a href="#Step.from_expression-181"><span class="linenos">181</span></a> <span class="n">child</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> -</span><span id="Step.from_expression-182"><a href="#Step.from_expression-182"><span class="linenos">182</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step.from_expression-183"><a href="#Step.from_expression-183"><span class="linenos">183</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">aggregate</span> -</span><span id="Step.from_expression-184"><a href="#Step.from_expression-184"><span class="linenos">184</span></a> -</span><span id="Step.from_expression-185"><a href="#Step.from_expression-185"><span class="linenos">185</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="Step.from_expression-158"><a href="#Step.from_expression-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> +</span><span id="Step.from_expression-159"><a href="#Step.from_expression-159"><span class="linenos">159</span></a> <span class="n">extract_agg_operands</span><span class="p">(</span><span class="n">having</span><span class="p">)</span> +</span><span id="Step.from_expression-160"><a href="#Step.from_expression-160"><span class="linenos">160</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">condition</span> <span class="o">=</span> <span class="n">having</span><span class="o">.</span><span class="n">this</span> +</span><span id="Step.from_expression-161"><a href="#Step.from_expression-161"><span class="linenos">161</span></a> +</span><span id="Step.from_expression-162"><a href="#Step.from_expression-162"><span class="linenos">162</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">operands</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> +</span><span id="Step.from_expression-163"><a href="#Step.from_expression-163"><span class="linenos">163</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span><span class="p">)</span> <span class="k">for</span> <span class="n">operand</span><span class="p">,</span> <span class="n">alias_</span> <span class="ow">in</span> <span class="n">operands</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="Step.from_expression-164"><a href="#Step.from_expression-164"><span class="linenos">164</span></a> <span class="p">)</span> +</span><span id="Step.from_expression-165"><a href="#Step.from_expression-165"><span class="linenos">165</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">aggregations</span> <span class="o">=</span> <span class="n">aggregations</span> +</span><span id="Step.from_expression-166"><a href="#Step.from_expression-166"><span class="linenos">166</span></a> <span class="c1"># give aggregates names and replace projections with references to them</span> +</span><span id="Step.from_expression-167"><a href="#Step.from_expression-167"><span class="linenos">167</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Step.from_expression-168"><a href="#Step.from_expression-168"><span class="linenos">168</span></a> <span class="sa">f</span><span class="s2">"_g</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">:</span> <span class="n">e</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">group</span> <span class="k">else</span> <span class="p">[])</span> +</span><span id="Step.from_expression-169"><a href="#Step.from_expression-169"><span class="linenos">169</span></a> <span class="p">}</span> +</span><span id="Step.from_expression-170"><a href="#Step.from_expression-170"><span class="linenos">170</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">projections</span><span class="p">:</span> +</span><span id="Step.from_expression-171"><a href="#Step.from_expression-171"><span class="linenos">171</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">aggregate</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="Step.from_expression-172"><a href="#Step.from_expression-172"><span class="linenos">172</span></a> <span class="k">for</span> <span class="n">child</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">projection</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="Step.from_expression-173"><a href="#Step.from_expression-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="n">child</span> <span class="o">==</span> <span class="n">e</span><span class="p">:</span> +</span><span id="Step.from_expression-174"><a href="#Step.from_expression-174"><span class="linenos">174</span></a> <span class="n">child</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> +</span><span id="Step.from_expression-175"><a href="#Step.from_expression-175"><span class="linenos">175</span></a> <span class="n">aggregate</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step.from_expression-176"><a href="#Step.from_expression-176"><span class="linenos">176</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">aggregate</span> +</span><span id="Step.from_expression-177"><a href="#Step.from_expression-177"><span class="linenos">177</span></a> +</span><span id="Step.from_expression-178"><a href="#Step.from_expression-178"><span class="linenos">178</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="Step.from_expression-179"><a href="#Step.from_expression-179"><span class="linenos">179</span></a> +</span><span id="Step.from_expression-180"><a href="#Step.from_expression-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span> +</span><span id="Step.from_expression-181"><a href="#Step.from_expression-181"><span class="linenos">181</span></a> <span class="n">sort</span> <span class="o">=</span> <span class="n">Sort</span><span class="p">()</span> +</span><span id="Step.from_expression-182"><a href="#Step.from_expression-182"><span class="linenos">182</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step.from_expression-183"><a href="#Step.from_expression-183"><span class="linenos">183</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Step.from_expression-184"><a href="#Step.from_expression-184"><span class="linenos">184</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step.from_expression-185"><a href="#Step.from_expression-185"><span class="linenos">185</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">sort</span> </span><span id="Step.from_expression-186"><a href="#Step.from_expression-186"><span class="linenos">186</span></a> -</span><span id="Step.from_expression-187"><a href="#Step.from_expression-187"><span class="linenos">187</span></a> <span class="k">if</span> <span class="n">order</span><span class="p">:</span> -</span><span id="Step.from_expression-188"><a href="#Step.from_expression-188"><span class="linenos">188</span></a> <span class="n">sort</span> <span class="o">=</span> <span class="n">Sort</span><span class="p">()</span> -</span><span id="Step.from_expression-189"><a href="#Step.from_expression-189"><span class="linenos">189</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step.from_expression-190"><a href="#Step.from_expression-190"><span class="linenos">190</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Step.from_expression-191"><a href="#Step.from_expression-191"><span class="linenos">191</span></a> <span class="n">sort</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step.from_expression-192"><a href="#Step.from_expression-192"><span class="linenos">192</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">sort</span> -</span><span id="Step.from_expression-193"><a href="#Step.from_expression-193"><span class="linenos">193</span></a> -</span><span id="Step.from_expression-194"><a href="#Step.from_expression-194"><span class="linenos">194</span></a> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="o">=</span> <span class="n">projections</span> -</span><span id="Step.from_expression-195"><a href="#Step.from_expression-195"><span class="linenos">195</span></a> -</span><span id="Step.from_expression-196"><a href="#Step.from_expression-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span> -</span><span id="Step.from_expression-197"><a href="#Step.from_expression-197"><span class="linenos">197</span></a> <span class="n">distinct</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> -</span><span id="Step.from_expression-198"><a href="#Step.from_expression-198"><span class="linenos">198</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step.from_expression-199"><a href="#Step.from_expression-199"><span class="linenos">199</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="Step.from_expression-200"><a href="#Step.from_expression-200"><span class="linenos">200</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Step.from_expression-201"><a href="#Step.from_expression-201"><span class="linenos">201</span></a> <span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">col</span><span class="o">=</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="Step.from_expression-202"><a href="#Step.from_expression-202"><span class="linenos">202</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">projections</span> <span class="ow">or</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Step.from_expression-203"><a href="#Step.from_expression-203"><span class="linenos">203</span></a> <span class="p">}</span> -</span><span id="Step.from_expression-204"><a href="#Step.from_expression-204"><span class="linenos">204</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="Step.from_expression-205"><a href="#Step.from_expression-205"><span class="linenos">205</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">distinct</span> -</span><span id="Step.from_expression-206"><a href="#Step.from_expression-206"><span class="linenos">206</span></a> -</span><span id="Step.from_expression-207"><a href="#Step.from_expression-207"><span class="linenos">207</span></a> <span class="n">limit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"limit"</span><span class="p">)</span> -</span><span id="Step.from_expression-208"><a href="#Step.from_expression-208"><span class="linenos">208</span></a> -</span><span id="Step.from_expression-209"><a href="#Step.from_expression-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="n">limit</span><span class="p">:</span> -</span><span id="Step.from_expression-210"><a href="#Step.from_expression-210"><span class="linenos">210</span></a> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">limit</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">))</span> -</span><span id="Step.from_expression-211"><a href="#Step.from_expression-211"><span class="linenos">211</span></a> -</span><span id="Step.from_expression-212"><a href="#Step.from_expression-212"><span class="linenos">212</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="Step.from_expression-187"><a href="#Step.from_expression-187"><span class="linenos">187</span></a> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="o">=</span> <span class="n">projections</span> +</span><span id="Step.from_expression-188"><a href="#Step.from_expression-188"><span class="linenos">188</span></a> +</span><span id="Step.from_expression-189"><a href="#Step.from_expression-189"><span class="linenos">189</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">):</span> +</span><span id="Step.from_expression-190"><a href="#Step.from_expression-190"><span class="linenos">190</span></a> <span class="n">distinct</span> <span class="o">=</span> <span class="n">Aggregate</span><span class="p">()</span> +</span><span id="Step.from_expression-191"><a href="#Step.from_expression-191"><span class="linenos">191</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step.from_expression-192"><a href="#Step.from_expression-192"><span class="linenos">192</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="Step.from_expression-193"><a href="#Step.from_expression-193"><span class="linenos">193</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Step.from_expression-194"><a href="#Step.from_expression-194"><span class="linenos">194</span></a> <span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">col</span><span class="o">=</span><span class="n">e</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="Step.from_expression-195"><a href="#Step.from_expression-195"><span class="linenos">195</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">projections</span> <span class="ow">or</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Step.from_expression-196"><a href="#Step.from_expression-196"><span class="linenos">196</span></a> <span class="p">}</span> +</span><span id="Step.from_expression-197"><a href="#Step.from_expression-197"><span class="linenos">197</span></a> <span class="n">distinct</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="Step.from_expression-198"><a href="#Step.from_expression-198"><span class="linenos">198</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="Step.from_expression-199"><a href="#Step.from_expression-199"><span class="linenos">199</span></a> +</span><span id="Step.from_expression-200"><a href="#Step.from_expression-200"><span class="linenos">200</span></a> <span class="n">limit</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"limit"</span><span class="p">)</span> +</span><span id="Step.from_expression-201"><a href="#Step.from_expression-201"><span class="linenos">201</span></a> +</span><span id="Step.from_expression-202"><a href="#Step.from_expression-202"><span class="linenos">202</span></a> <span class="k">if</span> <span class="n">limit</span><span class="p">:</span> +</span><span id="Step.from_expression-203"><a href="#Step.from_expression-203"><span class="linenos">203</span></a> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">limit</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"expression"</span><span class="p">))</span> +</span><span id="Step.from_expression-204"><a href="#Step.from_expression-204"><span class="linenos">204</span></a> +</span><span id="Step.from_expression-205"><a href="#Step.from_expression-205"><span class="linenos">205</span></a> <span class="k">return</span> <span class="n">step</span> </span></pre></div> @@ -1107,9 +1088,9 @@ Projections:</li> </div> <a class="headerlink" href="#Step.add_dependency"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Step.add_dependency-222"><a href="#Step.add_dependency-222"><span class="linenos">222</span></a> <span class="k">def</span> <span class="nf">add_dependency</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dependency</span><span class="p">:</span> <span class="n">Step</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Step.add_dependency-223"><a href="#Step.add_dependency-223"><span class="linenos">223</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dependency</span><span class="p">)</span> -</span><span id="Step.add_dependency-224"><a href="#Step.add_dependency-224"><span class="linenos">224</span></a> <span class="n">dependency</span><span class="o">.</span><span class="n">dependents</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Step.add_dependency-215"><a href="#Step.add_dependency-215"><span class="linenos">215</span></a> <span class="k">def</span> <span class="nf">add_dependency</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dependency</span><span class="p">:</span> <span class="n">Step</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Step.add_dependency-216"><a href="#Step.add_dependency-216"><span class="linenos">216</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">dependency</span><span class="p">)</span> +</span><span id="Step.add_dependency-217"><a href="#Step.add_dependency-217"><span class="linenos">217</span></a> <span class="n">dependency</span><span class="o">.</span><span class="n">dependents</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> </span></pre></div> @@ -1127,36 +1108,36 @@ Projections:</li> </div> <a class="headerlink" href="#Step.to_s"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Step.to_s-229"><a href="#Step.to_s-229"><span class="linenos">229</span></a> <span class="k">def</span> <span class="nf">to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">level</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Step.to_s-230"><a href="#Step.to_s-230"><span class="linenos">230</span></a> <span class="n">indent</span> <span class="o">=</span> <span class="s2">" "</span> <span class="o">*</span> <span class="n">level</span> -</span><span id="Step.to_s-231"><a href="#Step.to_s-231"><span class="linenos">231</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> "</span> -</span><span id="Step.to_s-232"><a href="#Step.to_s-232"><span class="linenos">232</span></a> -</span><span id="Step.to_s-233"><a href="#Step.to_s-233"><span class="linenos">233</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_s</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> "</span><span class="p">)</span> -</span><span id="Step.to_s-234"><a href="#Step.to_s-234"><span class="linenos">234</span></a> -</span><span id="Step.to_s-235"><a href="#Step.to_s-235"><span class="linenos">235</span></a> <span class="k">if</span> <span class="n">context</span><span class="p">:</span> -</span><span id="Step.to_s-236"><a href="#Step.to_s-236"><span class="linenos">236</span></a> <span class="n">context</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Context:"</span><span class="p">]</span> <span class="o">+</span> <span class="n">context</span> -</span><span id="Step.to_s-237"><a href="#Step.to_s-237"><span class="linenos">237</span></a> -</span><span id="Step.to_s-238"><a href="#Step.to_s-238"><span class="linenos">238</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="Step.to_s-239"><a href="#Step.to_s-239"><span class="linenos">239</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">- </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="Step.to_s-240"><a href="#Step.to_s-240"><span class="linenos">240</span></a> <span class="o">*</span><span class="n">context</span><span class="p">,</span> -</span><span id="Step.to_s-241"><a href="#Step.to_s-241"><span class="linenos">241</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Projections:"</span><span class="p">,</span> -</span><span id="Step.to_s-242"><a href="#Step.to_s-242"><span class="linenos">242</span></a> <span class="p">]</span> -</span><span id="Step.to_s-243"><a href="#Step.to_s-243"><span class="linenos">243</span></a> -</span><span id="Step.to_s-244"><a href="#Step.to_s-244"><span class="linenos">244</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> -</span><span id="Step.to_s-245"><a href="#Step.to_s-245"><span class="linenos">245</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Step.to_s-246"><a href="#Step.to_s-246"><span class="linenos">246</span></a> -</span><span id="Step.to_s-247"><a href="#Step.to_s-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> -</span><span id="Step.to_s-248"><a href="#Step.to_s-248"><span class="linenos">248</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Condition: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Step.to_s-249"><a href="#Step.to_s-249"><span class="linenos">249</span></a> -</span><span id="Step.to_s-250"><a href="#Step.to_s-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span><span class="p">:</span> -</span><span id="Step.to_s-251"><a href="#Step.to_s-251"><span class="linenos">251</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Limit: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Step.to_s-252"><a href="#Step.to_s-252"><span class="linenos">252</span></a> -</span><span id="Step.to_s-253"><a href="#Step.to_s-253"><span class="linenos">253</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="Step.to_s-254"><a href="#Step.to_s-254"><span class="linenos">254</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Dependencies:"</span><span class="p">)</span> -</span><span id="Step.to_s-255"><a href="#Step.to_s-255"><span class="linenos">255</span></a> <span class="k">for</span> <span class="n">dependency</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> -</span><span id="Step.to_s-256"><a href="#Step.to_s-256"><span class="linenos">256</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">" "</span> <span class="o">+</span> <span class="n">dependency</span><span class="o">.</span><span class="n">to_s</span><span class="p">(</span><span class="n">level</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span> -</span><span id="Step.to_s-257"><a href="#Step.to_s-257"><span class="linenos">257</span></a> -</span><span id="Step.to_s-258"><a href="#Step.to_s-258"><span class="linenos">258</span></a> <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Step.to_s-222"><a href="#Step.to_s-222"><span class="linenos">222</span></a> <span class="k">def</span> <span class="nf">to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">level</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Step.to_s-223"><a href="#Step.to_s-223"><span class="linenos">223</span></a> <span class="n">indent</span> <span class="o">=</span> <span class="s2">" "</span> <span class="o">*</span> <span class="n">level</span> +</span><span id="Step.to_s-224"><a href="#Step.to_s-224"><span class="linenos">224</span></a> <span class="n">nested</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> "</span> +</span><span id="Step.to_s-225"><a href="#Step.to_s-225"><span class="linenos">225</span></a> +</span><span id="Step.to_s-226"><a href="#Step.to_s-226"><span class="linenos">226</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_s</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> "</span><span class="p">)</span> +</span><span id="Step.to_s-227"><a href="#Step.to_s-227"><span class="linenos">227</span></a> +</span><span id="Step.to_s-228"><a href="#Step.to_s-228"><span class="linenos">228</span></a> <span class="k">if</span> <span class="n">context</span><span class="p">:</span> +</span><span id="Step.to_s-229"><a href="#Step.to_s-229"><span class="linenos">229</span></a> <span class="n">context</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Context:"</span><span class="p">]</span> <span class="o">+</span> <span class="n">context</span> +</span><span id="Step.to_s-230"><a href="#Step.to_s-230"><span class="linenos">230</span></a> +</span><span id="Step.to_s-231"><a href="#Step.to_s-231"><span class="linenos">231</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Step.to_s-232"><a href="#Step.to_s-232"><span class="linenos">232</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">- </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="Step.to_s-233"><a href="#Step.to_s-233"><span class="linenos">233</span></a> <span class="o">*</span><span class="n">context</span><span class="p">,</span> +</span><span id="Step.to_s-234"><a href="#Step.to_s-234"><span class="linenos">234</span></a> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Projections:"</span><span class="p">,</span> +</span><span id="Step.to_s-235"><a href="#Step.to_s-235"><span class="linenos">235</span></a> <span class="p">]</span> +</span><span id="Step.to_s-236"><a href="#Step.to_s-236"><span class="linenos">236</span></a> +</span><span id="Step.to_s-237"><a href="#Step.to_s-237"><span class="linenos">237</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="Step.to_s-238"><a href="#Step.to_s-238"><span class="linenos">238</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step.to_s-239"><a href="#Step.to_s-239"><span class="linenos">239</span></a> +</span><span id="Step.to_s-240"><a href="#Step.to_s-240"><span class="linenos">240</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="Step.to_s-241"><a href="#Step.to_s-241"><span class="linenos">241</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Condition: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step.to_s-242"><a href="#Step.to_s-242"><span class="linenos">242</span></a> +</span><span id="Step.to_s-243"><a href="#Step.to_s-243"><span class="linenos">243</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">limit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">inf</span><span class="p">:</span> +</span><span id="Step.to_s-244"><a href="#Step.to_s-244"><span class="linenos">244</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Limit: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">limit</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Step.to_s-245"><a href="#Step.to_s-245"><span class="linenos">245</span></a> +</span><span id="Step.to_s-246"><a href="#Step.to_s-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="Step.to_s-247"><a href="#Step.to_s-247"><span class="linenos">247</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">nested</span><span class="si">}</span><span class="s2">Dependencies:"</span><span class="p">)</span> +</span><span id="Step.to_s-248"><a href="#Step.to_s-248"><span class="linenos">248</span></a> <span class="k">for</span> <span class="n">dependency</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">dependencies</span><span class="p">:</span> +</span><span id="Step.to_s-249"><a href="#Step.to_s-249"><span class="linenos">249</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">" "</span> <span class="o">+</span> <span class="n">dependency</span><span class="o">.</span><span class="n">to_s</span><span class="p">(</span><span class="n">level</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span> +</span><span id="Step.to_s-250"><a href="#Step.to_s-250"><span class="linenos">250</span></a> +</span><span id="Step.to_s-251"><a href="#Step.to_s-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="s2">"</span><span class="se">\n</span><span class="s2">"</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> </span></pre></div> @@ -1175,34 +1156,34 @@ Projections:</li> </div> <a class="headerlink" href="#Scan"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Scan-274"><a href="#Scan-274"><span class="linenos">274</span></a><span class="k">class</span> <span class="nc">Scan</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="Scan-275"><a href="#Scan-275"><span class="linenos">275</span></a> <span class="nd">@classmethod</span> -</span><span id="Scan-276"><a href="#Scan-276"><span class="linenos">276</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="Scan-277"><a href="#Scan-277"><span class="linenos">277</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Scan-278"><a href="#Scan-278"><span class="linenos">278</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="Scan-279"><a href="#Scan-279"><span class="linenos">279</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="Scan-280"><a href="#Scan-280"><span class="linenos">280</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span> -</span><span id="Scan-281"><a href="#Scan-281"><span class="linenos">281</span></a> -</span><span id="Scan-282"><a href="#Scan-282"><span class="linenos">282</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span> -</span><span id="Scan-283"><a href="#Scan-283"><span class="linenos">283</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="Scan-284"><a href="#Scan-284"><span class="linenos">284</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Scan-285"><a href="#Scan-285"><span class="linenos">285</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> -</span><span id="Scan-286"><a href="#Scan-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="Scan-287"><a href="#Scan-287"><span class="linenos">287</span></a> -</span><span id="Scan-288"><a href="#Scan-288"><span class="linenos">288</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> -</span><span id="Scan-289"><a href="#Scan-289"><span class="linenos">289</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> -</span><span id="Scan-290"><a href="#Scan-290"><span class="linenos">290</span></a> <span class="n">step</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="Scan-291"><a href="#Scan-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="n">ctes</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">ctes</span><span class="p">:</span> -</span><span id="Scan-292"><a href="#Scan-292"><span class="linenos">292</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">ctes</span><span class="p">[</span><span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">])</span> -</span><span id="Scan-293"><a href="#Scan-293"><span class="linenos">293</span></a> -</span><span id="Scan-294"><a href="#Scan-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="Scan-295"><a href="#Scan-295"><span class="linenos">295</span></a> -</span><span id="Scan-296"><a href="#Scan-296"><span class="linenos">296</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Scan-297"><a href="#Scan-297"><span class="linenos">297</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="Scan-298"><a href="#Scan-298"><span class="linenos">298</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Scan-299"><a href="#Scan-299"><span class="linenos">299</span></a> -</span><span id="Scan-300"><a href="#Scan-300"><span class="linenos">300</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Scan-301"><a href="#Scan-301"><span class="linenos">301</span></a> <span class="k">return</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Source: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">'-static-'</span><span class="si">}</span><span class="s2">"</span><span class="p">]</span> <span class="c1"># type: ignore</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Scan-267"><a href="#Scan-267"><span class="linenos">267</span></a><span class="k">class</span> <span class="nc">Scan</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="Scan-268"><a href="#Scan-268"><span class="linenos">268</span></a> <span class="nd">@classmethod</span> +</span><span id="Scan-269"><a href="#Scan-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="Scan-270"><a href="#Scan-270"><span class="linenos">270</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Scan-271"><a href="#Scan-271"><span class="linenos">271</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="Scan-272"><a href="#Scan-272"><span class="linenos">272</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="Scan-273"><a href="#Scan-273"><span class="linenos">273</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span> +</span><span id="Scan-274"><a href="#Scan-274"><span class="linenos">274</span></a> +</span><span id="Scan-275"><a href="#Scan-275"><span class="linenos">275</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">Subquery</span><span class="p">):</span> +</span><span id="Scan-276"><a href="#Scan-276"><span class="linenos">276</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Scan-277"><a href="#Scan-277"><span class="linenos">277</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Scan-278"><a href="#Scan-278"><span class="linenos">278</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> +</span><span id="Scan-279"><a href="#Scan-279"><span class="linenos">279</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="Scan-280"><a href="#Scan-280"><span class="linenos">280</span></a> +</span><span id="Scan-281"><a href="#Scan-281"><span class="linenos">281</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> +</span><span id="Scan-282"><a href="#Scan-282"><span class="linenos">282</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> +</span><span id="Scan-283"><a href="#Scan-283"><span class="linenos">283</span></a> <span class="n">step</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="Scan-284"><a href="#Scan-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="n">ctes</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">ctes</span><span class="p">:</span> +</span><span id="Scan-285"><a href="#Scan-285"><span class="linenos">285</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">ctes</span><span class="p">[</span><span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">])</span> +</span><span id="Scan-286"><a href="#Scan-286"><span class="linenos">286</span></a> +</span><span id="Scan-287"><a href="#Scan-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="Scan-288"><a href="#Scan-288"><span class="linenos">288</span></a> +</span><span id="Scan-289"><a href="#Scan-289"><span class="linenos">289</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Scan-290"><a href="#Scan-290"><span class="linenos">290</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="Scan-291"><a href="#Scan-291"><span class="linenos">291</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Scan-292"><a href="#Scan-292"><span class="linenos">292</span></a> +</span><span id="Scan-293"><a href="#Scan-293"><span class="linenos">293</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Scan-294"><a href="#Scan-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Source: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="bp">self</span><span class="o">.</span><span class="n">source</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">'-static-'</span><span class="si">}</span><span class="s2">"</span><span class="p">]</span> <span class="c1"># type: ignore</span> </span></pre></div> @@ -1220,26 +1201,26 @@ Projections:</li> </div> <a class="headerlink" href="#Scan.from_expression"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Scan.from_expression-275"><a href="#Scan.from_expression-275"><span class="linenos">275</span></a> <span class="nd">@classmethod</span> -</span><span id="Scan.from_expression-276"><a href="#Scan.from_expression-276"><span class="linenos">276</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="Scan.from_expression-277"><a href="#Scan.from_expression-277"><span class="linenos">277</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Scan.from_expression-278"><a href="#Scan.from_expression-278"><span class="linenos">278</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="Scan.from_expression-279"><a href="#Scan.from_expression-279"><span class="linenos">279</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="Scan.from_expression-280"><a href="#Scan.from_expression-280"><span class="linenos">280</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span> -</span><span id="Scan.from_expression-281"><a href="#Scan.from_expression-281"><span class="linenos">281</span></a> -</span><span id="Scan.from_expression-282"><a href="#Scan.from_expression-282"><span class="linenos">282</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span> -</span><span id="Scan.from_expression-283"><a href="#Scan.from_expression-283"><span class="linenos">283</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="Scan.from_expression-284"><a href="#Scan.from_expression-284"><span class="linenos">284</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="Scan.from_expression-285"><a href="#Scan.from_expression-285"><span class="linenos">285</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> -</span><span id="Scan.from_expression-286"><a href="#Scan.from_expression-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="Scan.from_expression-287"><a href="#Scan.from_expression-287"><span class="linenos">287</span></a> -</span><span id="Scan.from_expression-288"><a href="#Scan.from_expression-288"><span class="linenos">288</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> -</span><span id="Scan.from_expression-289"><a href="#Scan.from_expression-289"><span class="linenos">289</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> -</span><span id="Scan.from_expression-290"><a href="#Scan.from_expression-290"><span class="linenos">290</span></a> <span class="n">step</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="Scan.from_expression-291"><a href="#Scan.from_expression-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="n">ctes</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">ctes</span><span class="p">:</span> -</span><span id="Scan.from_expression-292"><a href="#Scan.from_expression-292"><span class="linenos">292</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">ctes</span><span class="p">[</span><span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">])</span> -</span><span id="Scan.from_expression-293"><a href="#Scan.from_expression-293"><span class="linenos">293</span></a> -</span><span id="Scan.from_expression-294"><a href="#Scan.from_expression-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="n">step</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Scan.from_expression-268"><a href="#Scan.from_expression-268"><span class="linenos">268</span></a> <span class="nd">@classmethod</span> +</span><span id="Scan.from_expression-269"><a href="#Scan.from_expression-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="Scan.from_expression-270"><a href="#Scan.from_expression-270"><span class="linenos">270</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Scan.from_expression-271"><a href="#Scan.from_expression-271"><span class="linenos">271</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="Scan.from_expression-272"><a href="#Scan.from_expression-272"><span class="linenos">272</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="Scan.from_expression-273"><a href="#Scan.from_expression-273"><span class="linenos">273</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias_or_name</span> +</span><span id="Scan.from_expression-274"><a href="#Scan.from_expression-274"><span class="linenos">274</span></a> +</span><span id="Scan.from_expression-275"><a href="#Scan.from_expression-275"><span class="linenos">275</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">Subquery</span><span class="p">):</span> +</span><span id="Scan.from_expression-276"><a href="#Scan.from_expression-276"><span class="linenos">276</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Scan.from_expression-277"><a href="#Scan.from_expression-277"><span class="linenos">277</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="Scan.from_expression-278"><a href="#Scan.from_expression-278"><span class="linenos">278</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> +</span><span id="Scan.from_expression-279"><a href="#Scan.from_expression-279"><span class="linenos">279</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="Scan.from_expression-280"><a href="#Scan.from_expression-280"><span class="linenos">280</span></a> +</span><span id="Scan.from_expression-281"><a href="#Scan.from_expression-281"><span class="linenos">281</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Scan</span><span class="p">()</span> +</span><span id="Scan.from_expression-282"><a href="#Scan.from_expression-282"><span class="linenos">282</span></a> <span class="n">step</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">alias_</span> +</span><span id="Scan.from_expression-283"><a href="#Scan.from_expression-283"><span class="linenos">283</span></a> <span class="n">step</span><span class="o">.</span><span class="n">source</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="Scan.from_expression-284"><a href="#Scan.from_expression-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="n">ctes</span> <span class="ow">and</span> <span class="n">table</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">ctes</span><span class="p">:</span> +</span><span id="Scan.from_expression-285"><a href="#Scan.from_expression-285"><span class="linenos">285</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">ctes</span><span class="p">[</span><span class="n">table</span><span class="o">.</span><span class="n">name</span><span class="p">])</span> +</span><span id="Scan.from_expression-286"><a href="#Scan.from_expression-286"><span class="linenos">286</span></a> +</span><span id="Scan.from_expression-287"><a href="#Scan.from_expression-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="n">step</span> </span></pre></div> @@ -1326,37 +1307,37 @@ Projections:</li> </div> <a class="headerlink" href="#Join"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Join-304"><a href="#Join-304"><span class="linenos">304</span></a><span class="k">class</span> <span class="nc">Join</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="Join-305"><a href="#Join-305"><span class="linenos">305</span></a> <span class="nd">@classmethod</span> -</span><span id="Join-306"><a href="#Join-306"><span class="linenos">306</span></a> <span class="k">def</span> <span class="nf">from_joins</span><span class="p">(</span> -</span><span id="Join-307"><a href="#Join-307"><span class="linenos">307</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">],</span> <span class="n">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Join-308"><a href="#Join-308"><span class="linenos">308</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="Join-309"><a href="#Join-309"><span class="linenos">309</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Join</span><span class="p">()</span> -</span><span id="Join-310"><a href="#Join-310"><span class="linenos">310</span></a> -</span><span id="Join-311"><a href="#Join-311"><span class="linenos">311</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> -</span><span id="Join-312"><a href="#Join-312"><span class="linenos">312</span></a> <span class="n">source_key</span><span class="p">,</span> <span class="n">join_key</span><span class="p">,</span> <span class="n">condition</span> <span class="o">=</span> <span class="n">join_condition</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> -</span><span id="Join-313"><a href="#Join-313"><span class="linenos">313</span></a> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Join-314"><a href="#Join-314"><span class="linenos">314</span></a> <span class="s2">"side"</span><span class="p">:</span> <span class="n">join</span><span class="o">.</span><span class="n">side</span><span class="p">,</span> -</span><span id="Join-315"><a href="#Join-315"><span class="linenos">315</span></a> <span class="s2">"join_key"</span><span class="p">:</span> <span class="n">join_key</span><span class="p">,</span> -</span><span id="Join-316"><a href="#Join-316"><span class="linenos">316</span></a> <span class="s2">"source_key"</span><span class="p">:</span> <span class="n">source_key</span><span class="p">,</span> -</span><span id="Join-317"><a href="#Join-317"><span class="linenos">317</span></a> <span class="s2">"condition"</span><span class="p">:</span> <span class="n">condition</span><span class="p">,</span> -</span><span id="Join-318"><a href="#Join-318"><span class="linenos">318</span></a> <span class="p">}</span> -</span><span id="Join-319"><a href="#Join-319"><span class="linenos">319</span></a> -</span><span id="Join-320"><a href="#Join-320"><span class="linenos">320</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">))</span> -</span><span id="Join-321"><a href="#Join-321"><span class="linenos">321</span></a> -</span><span id="Join-322"><a href="#Join-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="Join-323"><a href="#Join-323"><span class="linenos">323</span></a> -</span><span id="Join-324"><a href="#Join-324"><span class="linenos">324</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Join-325"><a href="#Join-325"><span class="linenos">325</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="Join-326"><a href="#Join-326"><span class="linenos">326</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">joins</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="nb">str</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="nb">str</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="nb">str</span><span class="p">]</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Join-327"><a href="#Join-327"><span class="linenos">327</span></a> -</span><span id="Join-328"><a href="#Join-328"><span class="linenos">328</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Join-329"><a href="#Join-329"><span class="linenos">329</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Join-330"><a href="#Join-330"><span class="linenos">330</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="Join-331"><a href="#Join-331"><span class="linenos">331</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'side'</span><span class="p">]</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Join-332"><a href="#Join-332"><span class="linenos">332</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"condition"</span><span class="p">):</span> -</span><span id="Join-333"><a href="#Join-333"><span class="linenos">333</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">On: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'condition'</span><span class="p">]</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="c1"># type: ignore</span> -</span><span id="Join-334"><a href="#Join-334"><span class="linenos">334</span></a> <span class="k">return</span> <span class="n">lines</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Join-297"><a href="#Join-297"><span class="linenos">297</span></a><span class="k">class</span> <span class="nc">Join</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="Join-298"><a href="#Join-298"><span class="linenos">298</span></a> <span class="nd">@classmethod</span> +</span><span id="Join-299"><a href="#Join-299"><span class="linenos">299</span></a> <span class="k">def</span> <span class="nf">from_joins</span><span class="p">(</span> +</span><span id="Join-300"><a href="#Join-300"><span class="linenos">300</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">],</span> <span class="n">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Join-301"><a href="#Join-301"><span class="linenos">301</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="Join-302"><a href="#Join-302"><span class="linenos">302</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Join</span><span class="p">()</span> +</span><span id="Join-303"><a href="#Join-303"><span class="linenos">303</span></a> +</span><span id="Join-304"><a href="#Join-304"><span class="linenos">304</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> +</span><span id="Join-305"><a href="#Join-305"><span class="linenos">305</span></a> <span class="n">source_key</span><span class="p">,</span> <span class="n">join_key</span><span class="p">,</span> <span class="n">condition</span> <span class="o">=</span> <span class="n">join_condition</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> +</span><span id="Join-306"><a href="#Join-306"><span class="linenos">306</span></a> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Join-307"><a href="#Join-307"><span class="linenos">307</span></a> <span class="s2">"side"</span><span class="p">:</span> <span class="n">join</span><span class="o">.</span><span class="n">side</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Join-308"><a href="#Join-308"><span class="linenos">308</span></a> <span class="s2">"join_key"</span><span class="p">:</span> <span class="n">join_key</span><span class="p">,</span> +</span><span id="Join-309"><a href="#Join-309"><span class="linenos">309</span></a> <span class="s2">"source_key"</span><span class="p">:</span> <span class="n">source_key</span><span class="p">,</span> +</span><span id="Join-310"><a href="#Join-310"><span class="linenos">310</span></a> <span class="s2">"condition"</span><span class="p">:</span> <span class="n">condition</span><span class="p">,</span> +</span><span id="Join-311"><a href="#Join-311"><span class="linenos">311</span></a> <span class="p">}</span> +</span><span id="Join-312"><a href="#Join-312"><span class="linenos">312</span></a> +</span><span id="Join-313"><a href="#Join-313"><span class="linenos">313</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">))</span> +</span><span id="Join-314"><a href="#Join-314"><span class="linenos">314</span></a> +</span><span id="Join-315"><a href="#Join-315"><span class="linenos">315</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="Join-316"><a href="#Join-316"><span class="linenos">316</span></a> +</span><span id="Join-317"><a href="#Join-317"><span class="linenos">317</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Join-318"><a href="#Join-318"><span class="linenos">318</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="Join-319"><a href="#Join-319"><span class="linenos">319</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">joins</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="nb">str</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="nb">str</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="nb">str</span><span class="p">]</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Join-320"><a href="#Join-320"><span class="linenos">320</span></a> +</span><span id="Join-321"><a href="#Join-321"><span class="linenos">321</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Join-322"><a href="#Join-322"><span class="linenos">322</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Join-323"><a href="#Join-323"><span class="linenos">323</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="Join-324"><a href="#Join-324"><span class="linenos">324</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'side'</span><span class="p">]</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Join-325"><a href="#Join-325"><span class="linenos">325</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"condition"</span><span class="p">):</span> +</span><span id="Join-326"><a href="#Join-326"><span class="linenos">326</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">On: </span><span class="si">{</span><span class="n">join</span><span class="p">[</span><span class="s1">'condition'</span><span class="p">]</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="c1"># type: ignore</span> +</span><span id="Join-327"><a href="#Join-327"><span class="linenos">327</span></a> <span class="k">return</span> <span class="n">lines</span> </span></pre></div> @@ -1374,24 +1355,24 @@ Projections:</li> </div> <a class="headerlink" href="#Join.from_joins"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Join.from_joins-305"><a href="#Join.from_joins-305"><span class="linenos">305</span></a> <span class="nd">@classmethod</span> -</span><span id="Join.from_joins-306"><a href="#Join.from_joins-306"><span class="linenos">306</span></a> <span class="k">def</span> <span class="nf">from_joins</span><span class="p">(</span> -</span><span id="Join.from_joins-307"><a href="#Join.from_joins-307"><span class="linenos">307</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">],</span> <span class="n">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Join.from_joins-308"><a href="#Join.from_joins-308"><span class="linenos">308</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="Join.from_joins-309"><a href="#Join.from_joins-309"><span class="linenos">309</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Join</span><span class="p">()</span> -</span><span id="Join.from_joins-310"><a href="#Join.from_joins-310"><span class="linenos">310</span></a> -</span><span id="Join.from_joins-311"><a href="#Join.from_joins-311"><span class="linenos">311</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> -</span><span id="Join.from_joins-312"><a href="#Join.from_joins-312"><span class="linenos">312</span></a> <span class="n">source_key</span><span class="p">,</span> <span class="n">join_key</span><span class="p">,</span> <span class="n">condition</span> <span class="o">=</span> <span class="n">join_condition</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> -</span><span id="Join.from_joins-313"><a href="#Join.from_joins-313"><span class="linenos">313</span></a> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Join.from_joins-314"><a href="#Join.from_joins-314"><span class="linenos">314</span></a> <span class="s2">"side"</span><span class="p">:</span> <span class="n">join</span><span class="o">.</span><span class="n">side</span><span class="p">,</span> -</span><span id="Join.from_joins-315"><a href="#Join.from_joins-315"><span class="linenos">315</span></a> <span class="s2">"join_key"</span><span class="p">:</span> <span class="n">join_key</span><span class="p">,</span> -</span><span id="Join.from_joins-316"><a href="#Join.from_joins-316"><span class="linenos">316</span></a> <span class="s2">"source_key"</span><span class="p">:</span> <span class="n">source_key</span><span class="p">,</span> -</span><span id="Join.from_joins-317"><a href="#Join.from_joins-317"><span class="linenos">317</span></a> <span class="s2">"condition"</span><span class="p">:</span> <span class="n">condition</span><span class="p">,</span> -</span><span id="Join.from_joins-318"><a href="#Join.from_joins-318"><span class="linenos">318</span></a> <span class="p">}</span> -</span><span id="Join.from_joins-319"><a href="#Join.from_joins-319"><span class="linenos">319</span></a> -</span><span id="Join.from_joins-320"><a href="#Join.from_joins-320"><span class="linenos">320</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">))</span> -</span><span id="Join.from_joins-321"><a href="#Join.from_joins-321"><span class="linenos">321</span></a> -</span><span id="Join.from_joins-322"><a href="#Join.from_joins-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">step</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Join.from_joins-298"><a href="#Join.from_joins-298"><span class="linenos">298</span></a> <span class="nd">@classmethod</span> +</span><span id="Join.from_joins-299"><a href="#Join.from_joins-299"><span class="linenos">299</span></a> <span class="k">def</span> <span class="nf">from_joins</span><span class="p">(</span> +</span><span id="Join.from_joins-300"><a href="#Join.from_joins-300"><span class="linenos">300</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">],</span> <span class="n">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Join.from_joins-301"><a href="#Join.from_joins-301"><span class="linenos">301</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="Join.from_joins-302"><a href="#Join.from_joins-302"><span class="linenos">302</span></a> <span class="n">step</span> <span class="o">=</span> <span class="n">Join</span><span class="p">()</span> +</span><span id="Join.from_joins-303"><a href="#Join.from_joins-303"><span class="linenos">303</span></a> +</span><span id="Join.from_joins-304"><a href="#Join.from_joins-304"><span class="linenos">304</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> +</span><span id="Join.from_joins-305"><a href="#Join.from_joins-305"><span class="linenos">305</span></a> <span class="n">source_key</span><span class="p">,</span> <span class="n">join_key</span><span class="p">,</span> <span class="n">condition</span> <span class="o">=</span> <span class="n">join_condition</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> +</span><span id="Join.from_joins-306"><a href="#Join.from_joins-306"><span class="linenos">306</span></a> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="p">[</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Join.from_joins-307"><a href="#Join.from_joins-307"><span class="linenos">307</span></a> <span class="s2">"side"</span><span class="p">:</span> <span class="n">join</span><span class="o">.</span><span class="n">side</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Join.from_joins-308"><a href="#Join.from_joins-308"><span class="linenos">308</span></a> <span class="s2">"join_key"</span><span class="p">:</span> <span class="n">join_key</span><span class="p">,</span> +</span><span id="Join.from_joins-309"><a href="#Join.from_joins-309"><span class="linenos">309</span></a> <span class="s2">"source_key"</span><span class="p">:</span> <span class="n">source_key</span><span class="p">,</span> +</span><span id="Join.from_joins-310"><a href="#Join.from_joins-310"><span class="linenos">310</span></a> <span class="s2">"condition"</span><span class="p">:</span> <span class="n">condition</span><span class="p">,</span> +</span><span id="Join.from_joins-311"><a href="#Join.from_joins-311"><span class="linenos">311</span></a> <span class="p">}</span> +</span><span id="Join.from_joins-312"><a href="#Join.from_joins-312"><span class="linenos">312</span></a> +</span><span id="Join.from_joins-313"><a href="#Join.from_joins-313"><span class="linenos">313</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">Scan</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ctes</span><span class="p">))</span> +</span><span id="Join.from_joins-314"><a href="#Join.from_joins-314"><span class="linenos">314</span></a> +</span><span id="Join.from_joins-315"><a href="#Join.from_joins-315"><span class="linenos">315</span></a> <span class="k">return</span> <span class="n">step</span> </span></pre></div> @@ -1421,33 +1402,33 @@ Projections:</li> </div> <a class="headerlink" href="#Aggregate"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Aggregate-337"><a href="#Aggregate-337"><span class="linenos">337</span></a><span class="k">class</span> <span class="nc">Aggregate</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="Aggregate-338"><a href="#Aggregate-338"><span class="linenos">338</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Aggregate-339"><a href="#Aggregate-339"><span class="linenos">339</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="Aggregate-340"><a href="#Aggregate-340"><span class="linenos">340</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</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="Aggregate-341"><a href="#Aggregate-341"><span class="linenos">341</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> <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">Expression</span><span class="p">,</span> <span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="p">()</span> -</span><span id="Aggregate-342"><a href="#Aggregate-342"><span class="linenos">342</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">group</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="nb">str</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="Aggregate-343"><a href="#Aggregate-343"><span class="linenos">343</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Aggregate-344"><a href="#Aggregate-344"><span class="linenos">344</span></a> -</span><span id="Aggregate-345"><a href="#Aggregate-345"><span class="linenos">345</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Aggregate-346"><a href="#Aggregate-346"><span class="linenos">346</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Aggregations:"</span><span class="p">]</span> -</span><span id="Aggregate-347"><a href="#Aggregate-347"><span class="linenos">347</span></a> -</span><span id="Aggregate-348"><a href="#Aggregate-348"><span class="linenos">348</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</span><span class="p">:</span> -</span><span id="Aggregate-349"><a href="#Aggregate-349"><span class="linenos">349</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Aggregate-350"><a href="#Aggregate-350"><span class="linenos">350</span></a> -</span><span id="Aggregate-351"><a href="#Aggregate-351"><span class="linenos">351</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">:</span> -</span><span id="Aggregate-352"><a href="#Aggregate-352"><span class="linenos">352</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Group:"</span><span class="p">)</span> -</span><span id="Aggregate-353"><a href="#Aggregate-353"><span class="linenos">353</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Aggregate-330"><a href="#Aggregate-330"><span class="linenos">330</span></a><span class="k">class</span> <span class="nc">Aggregate</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="Aggregate-331"><a href="#Aggregate-331"><span class="linenos">331</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Aggregate-332"><a href="#Aggregate-332"><span class="linenos">332</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="Aggregate-333"><a href="#Aggregate-333"><span class="linenos">333</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</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="Aggregate-334"><a href="#Aggregate-334"><span class="linenos">334</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> <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">Expression</span><span class="p">,</span> <span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="p">()</span> +</span><span id="Aggregate-335"><a href="#Aggregate-335"><span class="linenos">335</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">group</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="nb">str</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="Aggregate-336"><a href="#Aggregate-336"><span class="linenos">336</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">source</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="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Aggregate-337"><a href="#Aggregate-337"><span class="linenos">337</span></a> +</span><span id="Aggregate-338"><a href="#Aggregate-338"><span class="linenos">338</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Aggregate-339"><a href="#Aggregate-339"><span class="linenos">339</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Aggregations:"</span><span class="p">]</span> +</span><span id="Aggregate-340"><a href="#Aggregate-340"><span class="linenos">340</span></a> +</span><span id="Aggregate-341"><a href="#Aggregate-341"><span class="linenos">341</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregations</span><span class="p">:</span> +</span><span id="Aggregate-342"><a href="#Aggregate-342"><span class="linenos">342</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Aggregate-343"><a href="#Aggregate-343"><span class="linenos">343</span></a> +</span><span id="Aggregate-344"><a href="#Aggregate-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">:</span> +</span><span id="Aggregate-345"><a href="#Aggregate-345"><span class="linenos">345</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Group:"</span><span class="p">)</span> +</span><span id="Aggregate-346"><a href="#Aggregate-346"><span class="linenos">346</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="Aggregate-347"><a href="#Aggregate-347"><span class="linenos">347</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Aggregate-348"><a href="#Aggregate-348"><span class="linenos">348</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="Aggregate-349"><a href="#Aggregate-349"><span class="linenos">349</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Having:"</span><span class="p">)</span> +</span><span id="Aggregate-350"><a href="#Aggregate-350"><span class="linenos">350</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Aggregate-351"><a href="#Aggregate-351"><span class="linenos">351</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> +</span><span id="Aggregate-352"><a href="#Aggregate-352"><span class="linenos">352</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Operands:"</span><span class="p">)</span> +</span><span id="Aggregate-353"><a href="#Aggregate-353"><span class="linenos">353</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> </span><span id="Aggregate-354"><a href="#Aggregate-354"><span class="linenos">354</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Aggregate-355"><a href="#Aggregate-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> -</span><span id="Aggregate-356"><a href="#Aggregate-356"><span class="linenos">356</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Having:"</span><span class="p">)</span> -</span><span id="Aggregate-357"><a href="#Aggregate-357"><span class="linenos">357</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">condition</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Aggregate-358"><a href="#Aggregate-358"><span class="linenos">358</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> -</span><span id="Aggregate-359"><a href="#Aggregate-359"><span class="linenos">359</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Operands:"</span><span class="p">)</span> -</span><span id="Aggregate-360"><a href="#Aggregate-360"><span class="linenos">360</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">operands</span><span class="p">:</span> -</span><span id="Aggregate-361"><a href="#Aggregate-361"><span class="linenos">361</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Aggregate-362"><a href="#Aggregate-362"><span class="linenos">362</span></a> -</span><span id="Aggregate-363"><a href="#Aggregate-363"><span class="linenos">363</span></a> <span class="k">return</span> <span class="n">lines</span> +</span><span id="Aggregate-355"><a href="#Aggregate-355"><span class="linenos">355</span></a> +</span><span id="Aggregate-356"><a href="#Aggregate-356"><span class="linenos">356</span></a> <span class="k">return</span> <span class="n">lines</span> </span></pre></div> @@ -1476,18 +1457,18 @@ Projections:</li> </div> <a class="headerlink" href="#Sort"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Sort-366"><a href="#Sort-366"><span class="linenos">366</span></a><span class="k">class</span> <span class="nc">Sort</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="Sort-367"><a href="#Sort-367"><span class="linenos">367</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Sort-368"><a href="#Sort-368"><span class="linenos">368</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="Sort-369"><a href="#Sort-369"><span class="linenos">369</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Sort-370"><a href="#Sort-370"><span class="linenos">370</span></a> -</span><span id="Sort-371"><a href="#Sort-371"><span class="linenos">371</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Sort-372"><a href="#Sort-372"><span class="linenos">372</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Key:"</span><span class="p">]</span> -</span><span id="Sort-373"><a href="#Sort-373"><span class="linenos">373</span></a> -</span><span id="Sort-374"><a href="#Sort-374"><span class="linenos">374</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">:</span> <span class="c1"># type: ignore</span> -</span><span id="Sort-375"><a href="#Sort-375"><span class="linenos">375</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Sort-376"><a href="#Sort-376"><span class="linenos">376</span></a> -</span><span id="Sort-377"><a href="#Sort-377"><span class="linenos">377</span></a> <span class="k">return</span> <span class="n">lines</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Sort-359"><a href="#Sort-359"><span class="linenos">359</span></a><span class="k">class</span> <span class="nc">Sort</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="Sort-360"><a href="#Sort-360"><span class="linenos">360</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Sort-361"><a href="#Sort-361"><span class="linenos">361</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="Sort-362"><a href="#Sort-362"><span class="linenos">362</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Sort-363"><a href="#Sort-363"><span class="linenos">363</span></a> +</span><span id="Sort-364"><a href="#Sort-364"><span class="linenos">364</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Sort-365"><a href="#Sort-365"><span class="linenos">365</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Key:"</span><span class="p">]</span> +</span><span id="Sort-366"><a href="#Sort-366"><span class="linenos">366</span></a> +</span><span id="Sort-367"><a href="#Sort-367"><span class="linenos">367</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">key</span><span class="p">:</span> <span class="c1"># type: ignore</span> +</span><span id="Sort-368"><a href="#Sort-368"><span class="linenos">368</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2"> - </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Sort-369"><a href="#Sort-369"><span class="linenos">369</span></a> +</span><span id="Sort-370"><a href="#Sort-370"><span class="linenos">370</span></a> <span class="k">return</span> <span class="n">lines</span> </span></pre></div> @@ -1516,46 +1497,46 @@ Projections:</li> </div> <a class="headerlink" href="#SetOperation"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="SetOperation-380"><a href="#SetOperation-380"><span class="linenos">380</span></a><span class="k">class</span> <span class="nc">SetOperation</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> -</span><span id="SetOperation-381"><a href="#SetOperation-381"><span class="linenos">381</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> -</span><span id="SetOperation-382"><a href="#SetOperation-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="SetOperation-383"><a href="#SetOperation-383"><span class="linenos">383</span></a> <span class="n">op</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><span id="SetOperation-384"><a href="#SetOperation-384"><span class="linenos">384</span></a> <span class="n">left</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="SetOperation-385"><a href="#SetOperation-385"><span class="linenos">385</span></a> <span class="n">right</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="SetOperation-386"><a href="#SetOperation-386"><span class="linenos">386</span></a> <span class="n">distinct</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="SetOperation-387"><a href="#SetOperation-387"><span class="linenos">387</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="SetOperation-388"><a href="#SetOperation-388"><span class="linenos">388</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="SetOperation-389"><a href="#SetOperation-389"><span class="linenos">389</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">op</span> <span class="o">=</span> <span class="n">op</span> -</span><span id="SetOperation-390"><a href="#SetOperation-390"><span class="linenos">390</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span> -</span><span id="SetOperation-391"><a href="#SetOperation-391"><span class="linenos">391</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">right</span> -</span><span id="SetOperation-392"><a href="#SetOperation-392"><span class="linenos">392</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span> <span class="o">=</span> <span class="n">distinct</span> -</span><span id="SetOperation-393"><a href="#SetOperation-393"><span class="linenos">393</span></a> -</span><span id="SetOperation-394"><a href="#SetOperation-394"><span class="linenos">394</span></a> <span class="nd">@classmethod</span> -</span><span id="SetOperation-395"><a href="#SetOperation-395"><span class="linenos">395</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="SetOperation-396"><a href="#SetOperation-396"><span class="linenos">396</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="SetOperation-397"><a href="#SetOperation-397"><span class="linenos">397</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="SetOperation-398"><a href="#SetOperation-398"><span class="linenos">398</span></a> <span class="k">assert</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">Union</span><span class="p">)</span> -</span><span id="SetOperation-399"><a href="#SetOperation-399"><span class="linenos">399</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="SetOperation-400"><a href="#SetOperation-400"><span class="linenos">400</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="SetOperation-401"><a href="#SetOperation-401"><span class="linenos">401</span></a> <span class="n">step</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span> -</span><span id="SetOperation-402"><a href="#SetOperation-402"><span class="linenos">402</span></a> <span class="n">op</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> -</span><span id="SetOperation-403"><a href="#SetOperation-403"><span class="linenos">403</span></a> <span class="n">left</span><span class="o">=</span><span class="n">left</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> -</span><span id="SetOperation-404"><a href="#SetOperation-404"><span class="linenos">404</span></a> <span class="n">right</span><span class="o">=</span><span class="n">right</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> -</span><span id="SetOperation-405"><a href="#SetOperation-405"><span class="linenos">405</span></a> <span class="n">distinct</span><span class="o">=</span><span class="nb">bool</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)),</span> -</span><span id="SetOperation-406"><a href="#SetOperation-406"><span class="linenos">406</span></a> <span class="p">)</span> -</span><span id="SetOperation-407"><a href="#SetOperation-407"><span class="linenos">407</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> -</span><span id="SetOperation-408"><a href="#SetOperation-408"><span class="linenos">408</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> -</span><span id="SetOperation-409"><a href="#SetOperation-409"><span class="linenos">409</span></a> <span class="k">return</span> <span class="n">step</span> -</span><span id="SetOperation-410"><a href="#SetOperation-410"><span class="linenos">410</span></a> -</span><span id="SetOperation-411"><a href="#SetOperation-411"><span class="linenos">411</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="SetOperation-412"><a href="#SetOperation-412"><span class="linenos">412</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="SetOperation-413"><a href="#SetOperation-413"><span class="linenos">413</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> -</span><span id="SetOperation-414"><a href="#SetOperation-414"><span class="linenos">414</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Distinct: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="SetOperation-415"><a href="#SetOperation-415"><span class="linenos">415</span></a> <span class="k">return</span> <span class="n">lines</span> -</span><span id="SetOperation-416"><a href="#SetOperation-416"><span class="linenos">416</span></a> -</span><span id="SetOperation-417"><a href="#SetOperation-417"><span class="linenos">417</span></a> <span class="nd">@property</span> -</span><span id="SetOperation-418"><a href="#SetOperation-418"><span class="linenos">418</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="SetOperation-419"><a href="#SetOperation-419"><span class="linenos">419</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">op</span><span class="o">.</span><span class="vm">__name__</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="SetOperation-373"><a href="#SetOperation-373"><span class="linenos">373</span></a><span class="k">class</span> <span class="nc">SetOperation</span><span class="p">(</span><span class="n">Step</span><span class="p">):</span> +</span><span id="SetOperation-374"><a href="#SetOperation-374"><span class="linenos">374</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="SetOperation-375"><a href="#SetOperation-375"><span class="linenos">375</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="SetOperation-376"><a href="#SetOperation-376"><span class="linenos">376</span></a> <span class="n">op</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><span id="SetOperation-377"><a href="#SetOperation-377"><span class="linenos">377</span></a> <span class="n">left</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="SetOperation-378"><a href="#SetOperation-378"><span class="linenos">378</span></a> <span class="n">right</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="SetOperation-379"><a href="#SetOperation-379"><span class="linenos">379</span></a> <span class="n">distinct</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="SetOperation-380"><a href="#SetOperation-380"><span class="linenos">380</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="SetOperation-381"><a href="#SetOperation-381"><span class="linenos">381</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="SetOperation-382"><a href="#SetOperation-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">op</span> <span class="o">=</span> <span class="n">op</span> +</span><span id="SetOperation-383"><a href="#SetOperation-383"><span class="linenos">383</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span> +</span><span id="SetOperation-384"><a href="#SetOperation-384"><span class="linenos">384</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">right</span> +</span><span id="SetOperation-385"><a href="#SetOperation-385"><span class="linenos">385</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span> <span class="o">=</span> <span class="n">distinct</span> +</span><span id="SetOperation-386"><a href="#SetOperation-386"><span class="linenos">386</span></a> +</span><span id="SetOperation-387"><a href="#SetOperation-387"><span class="linenos">387</span></a> <span class="nd">@classmethod</span> +</span><span id="SetOperation-388"><a href="#SetOperation-388"><span class="linenos">388</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="SetOperation-389"><a href="#SetOperation-389"><span class="linenos">389</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="SetOperation-390"><a href="#SetOperation-390"><span class="linenos">390</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="SetOperation-391"><a href="#SetOperation-391"><span class="linenos">391</span></a> <span class="k">assert</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">Union</span><span class="p">)</span> +</span><span id="SetOperation-392"><a href="#SetOperation-392"><span class="linenos">392</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="SetOperation-393"><a href="#SetOperation-393"><span class="linenos">393</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="SetOperation-394"><a href="#SetOperation-394"><span class="linenos">394</span></a> <span class="n">step</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span> +</span><span id="SetOperation-395"><a href="#SetOperation-395"><span class="linenos">395</span></a> <span class="n">op</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> +</span><span id="SetOperation-396"><a href="#SetOperation-396"><span class="linenos">396</span></a> <span class="n">left</span><span class="o">=</span><span class="n">left</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="SetOperation-397"><a href="#SetOperation-397"><span class="linenos">397</span></a> <span class="n">right</span><span class="o">=</span><span class="n">right</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="SetOperation-398"><a href="#SetOperation-398"><span class="linenos">398</span></a> <span class="n">distinct</span><span class="o">=</span><span class="nb">bool</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)),</span> +</span><span id="SetOperation-399"><a href="#SetOperation-399"><span class="linenos">399</span></a> <span class="p">)</span> +</span><span id="SetOperation-400"><a href="#SetOperation-400"><span class="linenos">400</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> +</span><span id="SetOperation-401"><a href="#SetOperation-401"><span class="linenos">401</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> +</span><span id="SetOperation-402"><a href="#SetOperation-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="n">step</span> +</span><span id="SetOperation-403"><a href="#SetOperation-403"><span class="linenos">403</span></a> +</span><span id="SetOperation-404"><a href="#SetOperation-404"><span class="linenos">404</span></a> <span class="k">def</span> <span class="nf">_to_s</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indent</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="SetOperation-405"><a href="#SetOperation-405"><span class="linenos">405</span></a> <span class="n">lines</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="SetOperation-406"><a href="#SetOperation-406"><span class="linenos">406</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> +</span><span id="SetOperation-407"><a href="#SetOperation-407"><span class="linenos">407</span></a> <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">indent</span><span class="si">}</span><span class="s2">Distinct: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">distinct</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="SetOperation-408"><a href="#SetOperation-408"><span class="linenos">408</span></a> <span class="k">return</span> <span class="n">lines</span> +</span><span id="SetOperation-409"><a href="#SetOperation-409"><span class="linenos">409</span></a> +</span><span id="SetOperation-410"><a href="#SetOperation-410"><span class="linenos">410</span></a> <span class="nd">@property</span> +</span><span id="SetOperation-411"><a href="#SetOperation-411"><span class="linenos">411</span></a> <span class="k">def</span> <span class="nf">type_name</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="SetOperation-412"><a href="#SetOperation-412"><span class="linenos">412</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">op</span><span class="o">.</span><span class="vm">__name__</span> </span></pre></div> @@ -1571,18 +1552,18 @@ Projections:</li> </div> <a class="headerlink" href="#SetOperation.__init__"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="SetOperation.__init__-381"><a href="#SetOperation.__init__-381"><span class="linenos">381</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> -</span><span id="SetOperation.__init__-382"><a href="#SetOperation.__init__-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="SetOperation.__init__-383"><a href="#SetOperation.__init__-383"><span class="linenos">383</span></a> <span class="n">op</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><span id="SetOperation.__init__-384"><a href="#SetOperation.__init__-384"><span class="linenos">384</span></a> <span class="n">left</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="SetOperation.__init__-385"><a href="#SetOperation.__init__-385"><span class="linenos">385</span></a> <span class="n">right</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="SetOperation.__init__-386"><a href="#SetOperation.__init__-386"><span class="linenos">386</span></a> <span class="n">distinct</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="SetOperation.__init__-387"><a href="#SetOperation.__init__-387"><span class="linenos">387</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="SetOperation.__init__-388"><a href="#SetOperation.__init__-388"><span class="linenos">388</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> -</span><span id="SetOperation.__init__-389"><a href="#SetOperation.__init__-389"><span class="linenos">389</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">op</span> <span class="o">=</span> <span class="n">op</span> -</span><span id="SetOperation.__init__-390"><a href="#SetOperation.__init__-390"><span class="linenos">390</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span> -</span><span id="SetOperation.__init__-391"><a href="#SetOperation.__init__-391"><span class="linenos">391</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">right</span> -</span><span id="SetOperation.__init__-392"><a href="#SetOperation.__init__-392"><span class="linenos">392</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span> <span class="o">=</span> <span class="n">distinct</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="SetOperation.__init__-374"><a href="#SetOperation.__init__-374"><span class="linenos">374</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="SetOperation.__init__-375"><a href="#SetOperation.__init__-375"><span class="linenos">375</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="SetOperation.__init__-376"><a href="#SetOperation.__init__-376"><span class="linenos">376</span></a> <span class="n">op</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><span id="SetOperation.__init__-377"><a href="#SetOperation.__init__-377"><span class="linenos">377</span></a> <span class="n">left</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="SetOperation.__init__-378"><a href="#SetOperation.__init__-378"><span class="linenos">378</span></a> <span class="n">right</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="SetOperation.__init__-379"><a href="#SetOperation.__init__-379"><span class="linenos">379</span></a> <span class="n">distinct</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="SetOperation.__init__-380"><a href="#SetOperation.__init__-380"><span class="linenos">380</span></a> <span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="SetOperation.__init__-381"><a href="#SetOperation.__init__-381"><span class="linenos">381</span></a> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span> +</span><span id="SetOperation.__init__-382"><a href="#SetOperation.__init__-382"><span class="linenos">382</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">op</span> <span class="o">=</span> <span class="n">op</span> +</span><span id="SetOperation.__init__-383"><a href="#SetOperation.__init__-383"><span class="linenos">383</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">left</span> <span class="o">=</span> <span class="n">left</span> +</span><span id="SetOperation.__init__-384"><a href="#SetOperation.__init__-384"><span class="linenos">384</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">right</span> <span class="o">=</span> <span class="n">right</span> +</span><span id="SetOperation.__init__-385"><a href="#SetOperation.__init__-385"><span class="linenos">385</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">distinct</span> <span class="o">=</span> <span class="n">distinct</span> </span></pre></div> @@ -1601,22 +1582,22 @@ Projections:</li> </div> <a class="headerlink" href="#SetOperation.from_expression"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="SetOperation.from_expression-394"><a href="#SetOperation.from_expression-394"><span class="linenos">394</span></a> <span class="nd">@classmethod</span> -</span><span id="SetOperation.from_expression-395"><a href="#SetOperation.from_expression-395"><span class="linenos">395</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> -</span><span id="SetOperation.from_expression-396"><a href="#SetOperation.from_expression-396"><span class="linenos">396</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="SetOperation.from_expression-397"><a href="#SetOperation.from_expression-397"><span class="linenos">397</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> -</span><span id="SetOperation.from_expression-398"><a href="#SetOperation.from_expression-398"><span class="linenos">398</span></a> <span class="k">assert</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">Union</span><span class="p">)</span> -</span><span id="SetOperation.from_expression-399"><a href="#SetOperation.from_expression-399"><span class="linenos">399</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="SetOperation.from_expression-400"><a href="#SetOperation.from_expression-400"><span class="linenos">400</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> -</span><span id="SetOperation.from_expression-401"><a href="#SetOperation.from_expression-401"><span class="linenos">401</span></a> <span class="n">step</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span> -</span><span id="SetOperation.from_expression-402"><a href="#SetOperation.from_expression-402"><span class="linenos">402</span></a> <span class="n">op</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> -</span><span id="SetOperation.from_expression-403"><a href="#SetOperation.from_expression-403"><span class="linenos">403</span></a> <span class="n">left</span><span class="o">=</span><span class="n">left</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> -</span><span id="SetOperation.from_expression-404"><a href="#SetOperation.from_expression-404"><span class="linenos">404</span></a> <span class="n">right</span><span class="o">=</span><span class="n">right</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> -</span><span id="SetOperation.from_expression-405"><a href="#SetOperation.from_expression-405"><span class="linenos">405</span></a> <span class="n">distinct</span><span class="o">=</span><span class="nb">bool</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)),</span> -</span><span id="SetOperation.from_expression-406"><a href="#SetOperation.from_expression-406"><span class="linenos">406</span></a> <span class="p">)</span> -</span><span id="SetOperation.from_expression-407"><a href="#SetOperation.from_expression-407"><span class="linenos">407</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> -</span><span id="SetOperation.from_expression-408"><a href="#SetOperation.from_expression-408"><span class="linenos">408</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> -</span><span id="SetOperation.from_expression-409"><a href="#SetOperation.from_expression-409"><span class="linenos">409</span></a> <span class="k">return</span> <span class="n">step</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="SetOperation.from_expression-387"><a href="#SetOperation.from_expression-387"><span class="linenos">387</span></a> <span class="nd">@classmethod</span> +</span><span id="SetOperation.from_expression-388"><a href="#SetOperation.from_expression-388"><span class="linenos">388</span></a> <span class="k">def</span> <span class="nf">from_expression</span><span class="p">(</span> +</span><span id="SetOperation.from_expression-389"><a href="#SetOperation.from_expression-389"><span class="linenos">389</span></a> <span class="bp">cls</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">ctes</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="nb">str</span><span class="p">,</span> <span class="n">Step</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="SetOperation.from_expression-390"><a href="#SetOperation.from_expression-390"><span class="linenos">390</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Step</span><span class="p">:</span> +</span><span id="SetOperation.from_expression-391"><a href="#SetOperation.from_expression-391"><span class="linenos">391</span></a> <span class="k">assert</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">Union</span><span class="p">)</span> +</span><span id="SetOperation.from_expression-392"><a href="#SetOperation.from_expression-392"><span class="linenos">392</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="SetOperation.from_expression-393"><a href="#SetOperation.from_expression-393"><span class="linenos">393</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">Step</span><span class="o">.</span><span class="n">from_expression</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">ctes</span><span class="p">)</span> +</span><span id="SetOperation.from_expression-394"><a href="#SetOperation.from_expression-394"><span class="linenos">394</span></a> <span class="n">step</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span> +</span><span id="SetOperation.from_expression-395"><a href="#SetOperation.from_expression-395"><span class="linenos">395</span></a> <span class="n">op</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">,</span> +</span><span id="SetOperation.from_expression-396"><a href="#SetOperation.from_expression-396"><span class="linenos">396</span></a> <span class="n">left</span><span class="o">=</span><span class="n">left</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="SetOperation.from_expression-397"><a href="#SetOperation.from_expression-397"><span class="linenos">397</span></a> <span class="n">right</span><span class="o">=</span><span class="n">right</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="SetOperation.from_expression-398"><a href="#SetOperation.from_expression-398"><span class="linenos">398</span></a> <span class="n">distinct</span><span class="o">=</span><span class="nb">bool</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"distinct"</span><span class="p">)),</span> +</span><span id="SetOperation.from_expression-399"><a href="#SetOperation.from_expression-399"><span class="linenos">399</span></a> <span class="p">)</span> +</span><span id="SetOperation.from_expression-400"><a href="#SetOperation.from_expression-400"><span class="linenos">400</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> +</span><span id="SetOperation.from_expression-401"><a href="#SetOperation.from_expression-401"><span class="linenos">401</span></a> <span class="n">step</span><span class="o">.</span><span class="n">add_dependency</span><span class="p">(</span><span class="n">right</span><span class="p">)</span> +</span><span id="SetOperation.from_expression-402"><a href="#SetOperation.from_expression-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="n">step</span> </span></pre></div> |