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diff --git a/docs/sqlglot/transforms.html b/docs/sqlglot/transforms.html index 5ee6fb8..e5e8446 100644 --- a/docs/sqlglot/transforms.html +++ b/docs/sqlglot/transforms.html @@ -285,235 +285,239 @@ </span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="p">)</span> </span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> </span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="c1"># we use list here because expression.selects is mutated inside the loop</span> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">to_replace</span> <span class="o">=</span> <span class="n">select</span> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">""</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">""</span> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Aliases</span><span class="p">):</span> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">is_posexplode</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="c1"># This ensures that we won't use [POS]EXPLODE's argument as a new selection</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">"_u"</span><span class="p">)</span> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"col"</span><span class="p">)</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="o">.</span><span class="n">copy</span><span class="p">():</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">explode</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">select</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Aliases</span><span class="p">):</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">""</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="s2">""</span><span class="p">))</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">explode</span> <span class="o">=</span> <span class="n">alias</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">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="k">assert</span> <span class="n">explode</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">is_posexplode</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">explode</span><span class="o">.</span><span class="n">this</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="c1"># This ensures that we won't use [POS]EXPLODE's argument as a new selection</span> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span> </span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> -</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pos_alias</span><span class="p">:</span> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> -</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">),</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">)</span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">"_u"</span><span class="p">)</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"col"</span><span class="p">)</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</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">if</span> <span class="ow">not</span> <span class="n">pos_alias</span><span class="p">:</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> </span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">index</span> <span class="o">=</span> <span class="n">expressions</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">to_replace</span><span class="p">)</span> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="n">index</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">index</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="p">)</span> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">expressions</span><span class="p">)</span> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">to_replace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">column</span><span class="p">)</span> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arrays</span><span class="p">:</span> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">):</span> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">size</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">arrays</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">size</span><span class="p">)</span> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="c1"># trino doesn't support left join unnest with on conditions</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="c1"># if it did, this would be much simpler</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">offset</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="p">),</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="n">unnest_source_alias</span><span class="p">,</span> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">explode_alias</span><span class="p">],</span> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="p">),</span> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="p">)</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">size</span> <span class="o">=</span> <span class="n">size</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">))</span> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="o">.</span><span class="n">or_</span><span class="p">(</span> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> <span class="o">></span> <span class="n">size</span><span class="p">)</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">size</span><span class="p">))</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="p">),</span> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="p">)</span> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="k">if</span> <span class="n">arrays</span><span class="p">:</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">end</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Greatest</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="n">end</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">index_offset</span><span class="p">)</span> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="n">series</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"end"</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">alias</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">))</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">),</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="p">)</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">explode</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">column</span><span class="p">)</span> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="p">)</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">expressions</span><span class="p">)</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arrays</span><span class="p">:</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">):</span> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="n">size</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">arrays</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">size</span><span class="p">)</span> +</span><span id="L-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="c1"># trino doesn't support left join unnest with on conditions</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="c1"># if it did, this would be much simpler</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">offset</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> +</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="p">),</span> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">unnest_source_alias</span><span class="p">,</span> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">explode_alias</span><span class="p">],</span> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="p">),</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="p">)</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">size</span> <span class="o">=</span> <span class="n">size</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">))</span> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="o">.</span><span class="n">or_</span><span class="p">(</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> <span class="o">></span> <span class="n">size</span><span class="p">)</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">size</span><span class="p">))</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="p">),</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="p">)</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="n">arrays</span><span class="p">:</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="n">end</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Greatest</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> </span><span id="L-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="k">return</span> <span class="n">expression</span> -</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> -</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">return</span> <span class="n">_explode_to_unnest</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">end</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">index_offset</span><span class="p">)</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">series</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"end"</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span> </span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a><span class="n">PERCENTILES</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PercentileCont</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">PercentileDisc</span><span class="p">)</span> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="k">return</span> <span class="n">expression</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">_explode_to_unnest</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="nf">add_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="p">):</span> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">pop</span><span class="p">())</span> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)])</span> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">order</span><span class="p">)</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> -</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> -</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">)</span> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="p">):</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> -</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">"_c_"</span><span class="p">)</span> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a><span class="n">PERCENTILES</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PercentileCont</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">PercentileDisc</span><span class="p">)</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a><span class="k">def</span> <span class="nf">add_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="p">):</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">pop</span><span class="p">())</span> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)])</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">order</span><span class="p">)</span> +</span><span id="L-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">return</span> <span class="n">expression</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><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">)</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="p">):</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span> +</span><span id="L-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">return</span> <span class="n">expression</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> </span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> -</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> -</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="s2">"columns"</span><span class="p">,</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span> -</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="p">)</span> -</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> -</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">"epoch"</span> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="p">):</span> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"1970-01-01 00:00:00"</span><span class="p">))</span> -</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a><span class="k">def</span> <span class="nf">timestamp_to_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span> -</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="p">)</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a><span class="k">def</span> <span class="nf">eliminate_semi_and_anti_joins</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">)</span> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="k">if</span> <span class="n">on</span> <span class="ow">and</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"SEMI"</span><span class="p">,</span> <span class="s2">"ANTI"</span><span class="p">):</span> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="n">subquery</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"1"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">on</span><span class="p">)</span> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">subquery</span><span class="p">)</span> -</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s2">"ANTI"</span><span class="p">:</span> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exists</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">join</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> -</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">exists</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a><span class="sd"> expression to SQL, using either the "_sql" method corresponding to the resulting expression,</span> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span> -</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> -</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a><span class="sd"> Args:</span> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a><span class="sd"> Returns:</span> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a><span class="sd"> Function that can be used as a generator transform.</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a><span class="sd"> """</span> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">"_c_"</span><span class="p">)</span> +</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-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="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="s2">"columns"</span><span class="p">,</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="p">)</span> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="n">expression</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><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">"epoch"</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="p">):</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"1970-01-01 00:00:00"</span><span class="p">))</span> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a><span class="k">def</span> <span class="nf">timestamp_to_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="p">)</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a><span class="k">def</span> <span class="nf">eliminate_semi_and_anti_joins</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">)</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="k">if</span> <span class="n">on</span> <span class="ow">and</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"SEMI"</span><span class="p">,</span> <span class="s2">"ANTI"</span><span class="p">):</span> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="n">subquery</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"1"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">on</span><span class="p">)</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">subquery</span><span class="p">)</span> +</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s2">"ANTI"</span><span class="p">:</span> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exists</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="n">join</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">exists</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a><span class="sd"> expression to SQL, using either the "_sql" method corresponding to the resulting expression,</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a><span class="sd"> Args:</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span> </span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> -</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a><span class="sd"> Returns:</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a><span class="sd"> Function that can be used as a generator transform.</span> +</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a><span class="sd"> """</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">"_sql"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Func</span><span class="p">):</span> -</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="c1"># Ensures we don't enter an infinite loop. This can happen when the original expression</span> -</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="c1"># has the same type as the final expression and there's no _sql method available for it,</span> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="c1"># because then it'd re-enter _to_sql.</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="sa">f</span><span class="s2">"Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed."</span> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="p">)</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">"_sql"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Func</span><span class="p">):</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="c1"># Ensures we don't enter an infinite loop. This can happen when the original expression</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="c1"># has the same type as the final expression and there's no _sql method available for it,</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="c1"># because then it'd re-enter _to_sql.</span> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="sa">f</span><span class="s2">"Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed."</span> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="p">)</span> </span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="k">return</span> <span class="n">_to_sql</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="k">return</span> <span class="n">_to_sql</span> </span></pre></div> @@ -839,105 +843,109 @@ other expressions. This transforms removes the precision from parameterized type </span><span id="explode_to_unnest-189"><a href="#explode_to_unnest-189"><span class="linenos">189</span></a> <span class="p">)</span> </span><span id="explode_to_unnest-190"><a href="#explode_to_unnest-190"><span class="linenos">190</span></a> </span><span id="explode_to_unnest-191"><a href="#explode_to_unnest-191"><span class="linenos">191</span></a> <span class="c1"># we use list here because expression.selects is mutated inside the loop</span> -</span><span id="explode_to_unnest-192"><a href="#explode_to_unnest-192"><span class="linenos">192</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">):</span> -</span><span id="explode_to_unnest-193"><a href="#explode_to_unnest-193"><span class="linenos">193</span></a> <span class="n">to_replace</span> <span class="o">=</span> <span class="n">select</span> -</span><span id="explode_to_unnest-194"><a href="#explode_to_unnest-194"><span class="linenos">194</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">""</span> -</span><span id="explode_to_unnest-195"><a href="#explode_to_unnest-195"><span class="linenos">195</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">""</span> -</span><span id="explode_to_unnest-196"><a href="#explode_to_unnest-196"><span class="linenos">196</span></a> -</span><span id="explode_to_unnest-197"><a href="#explode_to_unnest-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> -</span><span id="explode_to_unnest-198"><a href="#explode_to_unnest-198"><span class="linenos">198</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span> -</span><span id="explode_to_unnest-199"><a href="#explode_to_unnest-199"><span class="linenos">199</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="explode_to_unnest-200"><a href="#explode_to_unnest-200"><span class="linenos">200</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Aliases</span><span class="p">):</span> -</span><span id="explode_to_unnest-201"><a href="#explode_to_unnest-201"><span class="linenos">201</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> -</span><span id="explode_to_unnest-202"><a href="#explode_to_unnest-202"><span class="linenos">202</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> -</span><span id="explode_to_unnest-203"><a href="#explode_to_unnest-203"><span class="linenos">203</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="explode_to_unnest-204"><a href="#explode_to_unnest-204"><span class="linenos">204</span></a> -</span><span id="explode_to_unnest-205"><a href="#explode_to_unnest-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span> -</span><span id="explode_to_unnest-206"><a href="#explode_to_unnest-206"><span class="linenos">206</span></a> <span class="n">is_posexplode</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> -</span><span id="explode_to_unnest-207"><a href="#explode_to_unnest-207"><span class="linenos">207</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="explode_to_unnest-208"><a href="#explode_to_unnest-208"><span class="linenos">208</span></a> -</span><span id="explode_to_unnest-209"><a href="#explode_to_unnest-209"><span class="linenos">209</span></a> <span class="c1"># This ensures that we won't use [POS]EXPLODE's argument as a new selection</span> -</span><span id="explode_to_unnest-210"><a href="#explode_to_unnest-210"><span class="linenos">210</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="explode_to_unnest-211"><a href="#explode_to_unnest-211"><span class="linenos">211</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span> -</span><span id="explode_to_unnest-212"><a href="#explode_to_unnest-212"><span class="linenos">212</span></a> -</span><span id="explode_to_unnest-213"><a href="#explode_to_unnest-213"><span class="linenos">213</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">"_u"</span><span class="p">)</span> -</span><span id="explode_to_unnest-214"><a href="#explode_to_unnest-214"><span class="linenos">214</span></a> -</span><span id="explode_to_unnest-215"><a href="#explode_to_unnest-215"><span class="linenos">215</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span> -</span><span id="explode_to_unnest-216"><a href="#explode_to_unnest-216"><span class="linenos">216</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"col"</span><span class="p">)</span> +</span><span id="explode_to_unnest-192"><a href="#explode_to_unnest-192"><span class="linenos">192</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="o">.</span><span class="n">copy</span><span class="p">():</span> +</span><span id="explode_to_unnest-193"><a href="#explode_to_unnest-193"><span class="linenos">193</span></a> <span class="n">explode</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> +</span><span id="explode_to_unnest-194"><a href="#explode_to_unnest-194"><span class="linenos">194</span></a> +</span><span id="explode_to_unnest-195"><a href="#explode_to_unnest-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)):</span> +</span><span id="explode_to_unnest-196"><a href="#explode_to_unnest-196"><span class="linenos">196</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="explode_to_unnest-197"><a href="#explode_to_unnest-197"><span class="linenos">197</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="explode_to_unnest-198"><a href="#explode_to_unnest-198"><span class="linenos">198</span></a> +</span><span id="explode_to_unnest-199"><a href="#explode_to_unnest-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> +</span><span id="explode_to_unnest-200"><a href="#explode_to_unnest-200"><span class="linenos">200</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">alias</span> +</span><span id="explode_to_unnest-201"><a href="#explode_to_unnest-201"><span class="linenos">201</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">select</span> +</span><span id="explode_to_unnest-202"><a href="#explode_to_unnest-202"><span class="linenos">202</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Aliases</span><span class="p">):</span> +</span><span id="explode_to_unnest-203"><a href="#explode_to_unnest-203"><span class="linenos">203</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> +</span><span id="explode_to_unnest-204"><a href="#explode_to_unnest-204"><span class="linenos">204</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">aliases</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">name</span> +</span><span id="explode_to_unnest-205"><a href="#explode_to_unnest-205"><span class="linenos">205</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="s2">""</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span> +</span><span id="explode_to_unnest-206"><a href="#explode_to_unnest-206"><span class="linenos">206</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="explode_to_unnest-207"><a href="#explode_to_unnest-207"><span class="linenos">207</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="s2">""</span><span class="p">))</span> +</span><span id="explode_to_unnest-208"><a href="#explode_to_unnest-208"><span class="linenos">208</span></a> <span class="n">explode</span> <span class="o">=</span> <span class="n">alias</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">Explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> +</span><span id="explode_to_unnest-209"><a href="#explode_to_unnest-209"><span class="linenos">209</span></a> <span class="k">assert</span> <span class="n">explode</span> +</span><span id="explode_to_unnest-210"><a href="#explode_to_unnest-210"><span class="linenos">210</span></a> +</span><span id="explode_to_unnest-211"><a href="#explode_to_unnest-211"><span class="linenos">211</span></a> <span class="n">is_posexplode</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Posexplode</span><span class="p">)</span> +</span><span id="explode_to_unnest-212"><a href="#explode_to_unnest-212"><span class="linenos">212</span></a> <span class="n">explode_arg</span> <span class="o">=</span> <span class="n">explode</span><span class="o">.</span><span class="n">this</span> +</span><span id="explode_to_unnest-213"><a href="#explode_to_unnest-213"><span class="linenos">213</span></a> +</span><span id="explode_to_unnest-214"><a href="#explode_to_unnest-214"><span class="linenos">214</span></a> <span class="c1"># This ensures that we won't use [POS]EXPLODE's argument as a new selection</span> +</span><span id="explode_to_unnest-215"><a href="#explode_to_unnest-215"><span class="linenos">215</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">explode_arg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="explode_to_unnest-216"><a href="#explode_to_unnest-216"><span class="linenos">216</span></a> <span class="n">taken_select_names</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">output_name</span><span class="p">)</span> </span><span id="explode_to_unnest-217"><a href="#explode_to_unnest-217"><span class="linenos">217</span></a> -</span><span id="explode_to_unnest-218"><a href="#explode_to_unnest-218"><span class="linenos">218</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> -</span><span id="explode_to_unnest-219"><a href="#explode_to_unnest-219"><span class="linenos">219</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> -</span><span id="explode_to_unnest-220"><a href="#explode_to_unnest-220"><span class="linenos">220</span></a> -</span><span id="explode_to_unnest-221"><a href="#explode_to_unnest-221"><span class="linenos">221</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pos_alias</span><span class="p">:</span> -</span><span id="explode_to_unnest-222"><a href="#explode_to_unnest-222"><span class="linenos">222</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> -</span><span id="explode_to_unnest-223"><a href="#explode_to_unnest-223"><span class="linenos">223</span></a> -</span><span id="explode_to_unnest-224"><a href="#explode_to_unnest-224"><span class="linenos">224</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> -</span><span id="explode_to_unnest-225"><a href="#explode_to_unnest-225"><span class="linenos">225</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> -</span><span id="explode_to_unnest-226"><a href="#explode_to_unnest-226"><span class="linenos">226</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">),</span> -</span><span id="explode_to_unnest-227"><a href="#explode_to_unnest-227"><span class="linenos">227</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">)</span> +</span><span id="explode_to_unnest-218"><a href="#explode_to_unnest-218"><span class="linenos">218</span></a> <span class="n">unnest_source_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_source_names</span><span class="p">,</span> <span class="s2">"_u"</span><span class="p">)</span> +</span><span id="explode_to_unnest-219"><a href="#explode_to_unnest-219"><span class="linenos">219</span></a> +</span><span id="explode_to_unnest-220"><a href="#explode_to_unnest-220"><span class="linenos">220</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">explode_alias</span><span class="p">:</span> +</span><span id="explode_to_unnest-221"><a href="#explode_to_unnest-221"><span class="linenos">221</span></a> <span class="n">explode_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"col"</span><span class="p">)</span> +</span><span id="explode_to_unnest-222"><a href="#explode_to_unnest-222"><span class="linenos">222</span></a> +</span><span id="explode_to_unnest-223"><a href="#explode_to_unnest-223"><span class="linenos">223</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> +</span><span id="explode_to_unnest-224"><a href="#explode_to_unnest-224"><span class="linenos">224</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> +</span><span id="explode_to_unnest-225"><a href="#explode_to_unnest-225"><span class="linenos">225</span></a> +</span><span id="explode_to_unnest-226"><a href="#explode_to_unnest-226"><span class="linenos">226</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pos_alias</span><span class="p">:</span> +</span><span id="explode_to_unnest-227"><a href="#explode_to_unnest-227"><span class="linenos">227</span></a> <span class="n">pos_alias</span> <span class="o">=</span> <span class="n">new_name</span><span class="p">(</span><span class="n">taken_select_names</span><span class="p">,</span> <span class="s2">"pos"</span><span class="p">)</span> </span><span id="explode_to_unnest-228"><a href="#explode_to_unnest-228"><span class="linenos">228</span></a> -</span><span id="explode_to_unnest-229"><a href="#explode_to_unnest-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> -</span><span id="explode_to_unnest-230"><a href="#explode_to_unnest-230"><span class="linenos">230</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="explode_to_unnest-231"><a href="#explode_to_unnest-231"><span class="linenos">231</span></a> <span class="n">index</span> <span class="o">=</span> <span class="n">expressions</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">to_replace</span><span class="p">)</span> -</span><span id="explode_to_unnest-232"><a href="#explode_to_unnest-232"><span class="linenos">232</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> -</span><span id="explode_to_unnest-233"><a href="#explode_to_unnest-233"><span class="linenos">233</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span><span class="n">index</span><span class="p">,</span> <span class="n">column</span><span class="p">)</span> -</span><span id="explode_to_unnest-234"><a href="#explode_to_unnest-234"><span class="linenos">234</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span> -</span><span id="explode_to_unnest-235"><a href="#explode_to_unnest-235"><span class="linenos">235</span></a> <span class="n">index</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> -</span><span id="explode_to_unnest-236"><a href="#explode_to_unnest-236"><span class="linenos">236</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> -</span><span id="explode_to_unnest-237"><a href="#explode_to_unnest-237"><span class="linenos">237</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> -</span><span id="explode_to_unnest-238"><a href="#explode_to_unnest-238"><span class="linenos">238</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> -</span><span id="explode_to_unnest-239"><a href="#explode_to_unnest-239"><span class="linenos">239</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> -</span><span id="explode_to_unnest-240"><a href="#explode_to_unnest-240"><span class="linenos">240</span></a> <span class="p">)</span> -</span><span id="explode_to_unnest-241"><a href="#explode_to_unnest-241"><span class="linenos">241</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">expressions</span><span class="p">)</span> -</span><span id="explode_to_unnest-242"><a href="#explode_to_unnest-242"><span class="linenos">242</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="explode_to_unnest-243"><a href="#explode_to_unnest-243"><span class="linenos">243</span></a> <span class="n">to_replace</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">column</span><span class="p">)</span> -</span><span id="explode_to_unnest-244"><a href="#explode_to_unnest-244"><span class="linenos">244</span></a> -</span><span id="explode_to_unnest-245"><a href="#explode_to_unnest-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arrays</span><span class="p">:</span> -</span><span id="explode_to_unnest-246"><a href="#explode_to_unnest-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">):</span> -</span><span id="explode_to_unnest-247"><a href="#explode_to_unnest-247"><span class="linenos">247</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="explode_to_unnest-248"><a href="#explode_to_unnest-248"><span class="linenos">248</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="explode_to_unnest-249"><a href="#explode_to_unnest-249"><span class="linenos">249</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="explode_to_unnest-250"><a href="#explode_to_unnest-250"><span class="linenos">250</span></a> -</span><span id="explode_to_unnest-251"><a href="#explode_to_unnest-251"><span class="linenos">251</span></a> <span class="n">size</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> -</span><span id="explode_to_unnest-252"><a href="#explode_to_unnest-252"><span class="linenos">252</span></a> <span class="n">arrays</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">size</span><span class="p">)</span> -</span><span id="explode_to_unnest-253"><a href="#explode_to_unnest-253"><span class="linenos">253</span></a> -</span><span id="explode_to_unnest-254"><a href="#explode_to_unnest-254"><span class="linenos">254</span></a> <span class="c1"># trino doesn't support left join unnest with on conditions</span> -</span><span id="explode_to_unnest-255"><a href="#explode_to_unnest-255"><span class="linenos">255</span></a> <span class="c1"># if it did, this would be much simpler</span> -</span><span id="explode_to_unnest-256"><a href="#explode_to_unnest-256"><span class="linenos">256</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> -</span><span id="explode_to_unnest-257"><a href="#explode_to_unnest-257"><span class="linenos">257</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span> -</span><span id="explode_to_unnest-258"><a href="#explode_to_unnest-258"><span class="linenos">258</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span> -</span><span id="explode_to_unnest-259"><a href="#explode_to_unnest-259"><span class="linenos">259</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span> -</span><span id="explode_to_unnest-260"><a href="#explode_to_unnest-260"><span class="linenos">260</span></a> <span class="n">offset</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> -</span><span id="explode_to_unnest-261"><a href="#explode_to_unnest-261"><span class="linenos">261</span></a> <span class="p">),</span> -</span><span id="explode_to_unnest-262"><a href="#explode_to_unnest-262"><span class="linenos">262</span></a> <span class="n">unnest_source_alias</span><span class="p">,</span> -</span><span id="explode_to_unnest-263"><a href="#explode_to_unnest-263"><span class="linenos">263</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">explode_alias</span><span class="p">],</span> -</span><span id="explode_to_unnest-264"><a href="#explode_to_unnest-264"><span class="linenos">264</span></a> <span class="p">),</span> -</span><span id="explode_to_unnest-265"><a href="#explode_to_unnest-265"><span class="linenos">265</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> -</span><span id="explode_to_unnest-266"><a href="#explode_to_unnest-266"><span class="linenos">266</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="explode_to_unnest-267"><a href="#explode_to_unnest-267"><span class="linenos">267</span></a> <span class="p">)</span> -</span><span id="explode_to_unnest-268"><a href="#explode_to_unnest-268"><span class="linenos">268</span></a> -</span><span id="explode_to_unnest-269"><a href="#explode_to_unnest-269"><span class="linenos">269</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="explode_to_unnest-270"><a href="#explode_to_unnest-270"><span class="linenos">270</span></a> <span class="n">size</span> <span class="o">=</span> <span class="n">size</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="explode_to_unnest-271"><a href="#explode_to_unnest-271"><span class="linenos">271</span></a> -</span><span id="explode_to_unnest-272"><a href="#explode_to_unnest-272"><span class="linenos">272</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> -</span><span id="explode_to_unnest-273"><a href="#explode_to_unnest-273"><span class="linenos">273</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> -</span><span id="explode_to_unnest-274"><a href="#explode_to_unnest-274"><span class="linenos">274</span></a> <span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">))</span> -</span><span id="explode_to_unnest-275"><a href="#explode_to_unnest-275"><span class="linenos">275</span></a> <span class="o">.</span><span class="n">or_</span><span class="p">(</span> -</span><span id="explode_to_unnest-276"><a href="#explode_to_unnest-276"><span class="linenos">276</span></a> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> <span class="o">></span> <span class="n">size</span><span class="p">)</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">size</span><span class="p">))</span> -</span><span id="explode_to_unnest-277"><a href="#explode_to_unnest-277"><span class="linenos">277</span></a> <span class="p">),</span> -</span><span id="explode_to_unnest-278"><a href="#explode_to_unnest-278"><span class="linenos">278</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="explode_to_unnest-279"><a href="#explode_to_unnest-279"><span class="linenos">279</span></a> <span class="p">)</span> -</span><span id="explode_to_unnest-280"><a href="#explode_to_unnest-280"><span class="linenos">280</span></a> -</span><span id="explode_to_unnest-281"><a href="#explode_to_unnest-281"><span class="linenos">281</span></a> <span class="k">if</span> <span class="n">arrays</span><span class="p">:</span> -</span><span id="explode_to_unnest-282"><a href="#explode_to_unnest-282"><span class="linenos">282</span></a> <span class="n">end</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Greatest</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> -</span><span id="explode_to_unnest-283"><a href="#explode_to_unnest-283"><span class="linenos">283</span></a> -</span><span id="explode_to_unnest-284"><a href="#explode_to_unnest-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="explode_to_unnest-285"><a href="#explode_to_unnest-285"><span class="linenos">285</span></a> <span class="n">end</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">index_offset</span><span class="p">)</span> -</span><span id="explode_to_unnest-286"><a href="#explode_to_unnest-286"><span class="linenos">286</span></a> <span class="n">series</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"end"</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span> +</span><span id="explode_to_unnest-229"><a href="#explode_to_unnest-229"><span class="linenos">229</span></a> <span class="n">alias</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">))</span> +</span><span id="explode_to_unnest-230"><a href="#explode_to_unnest-230"><span class="linenos">230</span></a> +</span><span id="explode_to_unnest-231"><a href="#explode_to_unnest-231"><span class="linenos">231</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> +</span><span id="explode_to_unnest-232"><a href="#explode_to_unnest-232"><span class="linenos">232</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> +</span><span id="explode_to_unnest-233"><a href="#explode_to_unnest-233"><span class="linenos">233</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">explode_alias</span><span class="p">),</span> +</span><span id="explode_to_unnest-234"><a href="#explode_to_unnest-234"><span class="linenos">234</span></a> <span class="p">)</span> +</span><span id="explode_to_unnest-235"><a href="#explode_to_unnest-235"><span class="linenos">235</span></a> +</span><span id="explode_to_unnest-236"><a href="#explode_to_unnest-236"><span class="linenos">236</span></a> <span class="n">explode</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">column</span><span class="p">)</span> +</span><span id="explode_to_unnest-237"><a href="#explode_to_unnest-237"><span class="linenos">237</span></a> +</span><span id="explode_to_unnest-238"><a href="#explode_to_unnest-238"><span class="linenos">238</span></a> <span class="k">if</span> <span class="n">is_posexplode</span><span class="p">:</span> +</span><span id="explode_to_unnest-239"><a href="#explode_to_unnest-239"><span class="linenos">239</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="explode_to_unnest-240"><a href="#explode_to_unnest-240"><span class="linenos">240</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">insert</span><span class="p">(</span> +</span><span id="explode_to_unnest-241"><a href="#explode_to_unnest-241"><span class="linenos">241</span></a> <span class="n">expressions</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">alias</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> +</span><span id="explode_to_unnest-242"><a href="#explode_to_unnest-242"><span class="linenos">242</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">(</span> +</span><span id="explode_to_unnest-243"><a href="#explode_to_unnest-243"><span class="linenos">243</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)),</span> +</span><span id="explode_to_unnest-244"><a href="#explode_to_unnest-244"><span class="linenos">244</span></a> <span class="n">true</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> +</span><span id="explode_to_unnest-245"><a href="#explode_to_unnest-245"><span class="linenos">245</span></a> <span class="p">)</span><span class="o">.</span><span class="n">as_</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> +</span><span id="explode_to_unnest-246"><a href="#explode_to_unnest-246"><span class="linenos">246</span></a> <span class="p">)</span> +</span><span id="explode_to_unnest-247"><a href="#explode_to_unnest-247"><span class="linenos">247</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">expressions</span><span class="p">)</span> +</span><span id="explode_to_unnest-248"><a href="#explode_to_unnest-248"><span class="linenos">248</span></a> +</span><span id="explode_to_unnest-249"><a href="#explode_to_unnest-249"><span class="linenos">249</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">arrays</span><span class="p">:</span> +</span><span id="explode_to_unnest-250"><a href="#explode_to_unnest-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"from"</span><span class="p">):</span> +</span><span id="explode_to_unnest-251"><a href="#explode_to_unnest-251"><span class="linenos">251</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="explode_to_unnest-252"><a href="#explode_to_unnest-252"><span class="linenos">252</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="explode_to_unnest-253"><a href="#explode_to_unnest-253"><span class="linenos">253</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">series</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="explode_to_unnest-254"><a href="#explode_to_unnest-254"><span class="linenos">254</span></a> +</span><span id="explode_to_unnest-255"><a href="#explode_to_unnest-255"><span class="linenos">255</span></a> <span class="n">size</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">ArraySize</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="explode_to_unnest-256"><a href="#explode_to_unnest-256"><span class="linenos">256</span></a> <span class="n">arrays</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">size</span><span class="p">)</span> +</span><span id="explode_to_unnest-257"><a href="#explode_to_unnest-257"><span class="linenos">257</span></a> +</span><span id="explode_to_unnest-258"><a href="#explode_to_unnest-258"><span class="linenos">258</span></a> <span class="c1"># trino doesn't support left join unnest with on conditions</span> +</span><span id="explode_to_unnest-259"><a href="#explode_to_unnest-259"><span class="linenos">259</span></a> <span class="c1"># if it did, this would be much simpler</span> +</span><span id="explode_to_unnest-260"><a href="#explode_to_unnest-260"><span class="linenos">260</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">join</span><span class="p">(</span> +</span><span id="explode_to_unnest-261"><a href="#explode_to_unnest-261"><span class="linenos">261</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span> +</span><span id="explode_to_unnest-262"><a href="#explode_to_unnest-262"><span class="linenos">262</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Unnest</span><span class="p">(</span> +</span><span id="explode_to_unnest-263"><a href="#explode_to_unnest-263"><span class="linenos">263</span></a> <span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">explode_arg</span><span class="o">.</span><span class="n">copy</span><span class="p">()],</span> +</span><span id="explode_to_unnest-264"><a href="#explode_to_unnest-264"><span class="linenos">264</span></a> <span class="n">offset</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">),</span> +</span><span id="explode_to_unnest-265"><a href="#explode_to_unnest-265"><span class="linenos">265</span></a> <span class="p">),</span> +</span><span id="explode_to_unnest-266"><a href="#explode_to_unnest-266"><span class="linenos">266</span></a> <span class="n">unnest_source_alias</span><span class="p">,</span> +</span><span id="explode_to_unnest-267"><a href="#explode_to_unnest-267"><span class="linenos">267</span></a> <span class="n">table</span><span class="o">=</span><span class="p">[</span><span class="n">explode_alias</span><span class="p">],</span> +</span><span id="explode_to_unnest-268"><a href="#explode_to_unnest-268"><span class="linenos">268</span></a> <span class="p">),</span> +</span><span id="explode_to_unnest-269"><a href="#explode_to_unnest-269"><span class="linenos">269</span></a> <span class="n">join_type</span><span class="o">=</span><span class="s2">"CROSS"</span><span class="p">,</span> +</span><span id="explode_to_unnest-270"><a href="#explode_to_unnest-270"><span class="linenos">270</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="explode_to_unnest-271"><a href="#explode_to_unnest-271"><span class="linenos">271</span></a> <span class="p">)</span> +</span><span id="explode_to_unnest-272"><a href="#explode_to_unnest-272"><span class="linenos">272</span></a> +</span><span id="explode_to_unnest-273"><a href="#explode_to_unnest-273"><span class="linenos">273</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="explode_to_unnest-274"><a href="#explode_to_unnest-274"><span class="linenos">274</span></a> <span class="n">size</span> <span class="o">=</span> <span class="n">size</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="explode_to_unnest-275"><a href="#explode_to_unnest-275"><span class="linenos">275</span></a> +</span><span id="explode_to_unnest-276"><a href="#explode_to_unnest-276"><span class="linenos">276</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span> +</span><span id="explode_to_unnest-277"><a href="#explode_to_unnest-277"><span class="linenos">277</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> +</span><span id="explode_to_unnest-278"><a href="#explode_to_unnest-278"><span class="linenos">278</span></a> <span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">))</span> +</span><span id="explode_to_unnest-279"><a href="#explode_to_unnest-279"><span class="linenos">279</span></a> <span class="o">.</span><span class="n">or_</span><span class="p">(</span> +</span><span id="explode_to_unnest-280"><a href="#explode_to_unnest-280"><span class="linenos">280</span></a> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">series_alias</span><span class="p">)</span> <span class="o">></span> <span class="n">size</span><span class="p">)</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">pos_alias</span><span class="p">)</span><span class="o">.</span><span class="n">eq</span><span class="p">(</span><span class="n">size</span><span class="p">))</span> +</span><span id="explode_to_unnest-281"><a href="#explode_to_unnest-281"><span class="linenos">281</span></a> <span class="p">),</span> +</span><span id="explode_to_unnest-282"><a href="#explode_to_unnest-282"><span class="linenos">282</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="explode_to_unnest-283"><a href="#explode_to_unnest-283"><span class="linenos">283</span></a> <span class="p">)</span> +</span><span id="explode_to_unnest-284"><a href="#explode_to_unnest-284"><span class="linenos">284</span></a> +</span><span id="explode_to_unnest-285"><a href="#explode_to_unnest-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="n">arrays</span><span class="p">:</span> +</span><span id="explode_to_unnest-286"><a href="#explode_to_unnest-286"><span class="linenos">286</span></a> <span class="n">end</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Condition</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Greatest</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">arrays</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> </span><span id="explode_to_unnest-287"><a href="#explode_to_unnest-287"><span class="linenos">287</span></a> -</span><span id="explode_to_unnest-288"><a href="#explode_to_unnest-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="explode_to_unnest-289"><a href="#explode_to_unnest-289"><span class="linenos">289</span></a> -</span><span id="explode_to_unnest-290"><a href="#explode_to_unnest-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="n">_explode_to_unnest</span> +</span><span id="explode_to_unnest-288"><a href="#explode_to_unnest-288"><span class="linenos">288</span></a> <span class="k">if</span> <span class="n">index_offset</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="explode_to_unnest-289"><a href="#explode_to_unnest-289"><span class="linenos">289</span></a> <span class="n">end</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">index_offset</span><span class="p">)</span> +</span><span id="explode_to_unnest-290"><a href="#explode_to_unnest-290"><span class="linenos">290</span></a> <span class="n">series</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"end"</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span> +</span><span id="explode_to_unnest-291"><a href="#explode_to_unnest-291"><span class="linenos">291</span></a> +</span><span id="explode_to_unnest-292"><a href="#explode_to_unnest-292"><span class="linenos">292</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="explode_to_unnest-293"><a href="#explode_to_unnest-293"><span class="linenos">293</span></a> +</span><span id="explode_to_unnest-294"><a href="#explode_to_unnest-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="n">_explode_to_unnest</span> </span></pre></div> @@ -967,18 +975,18 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#add_within_group_for_percentiles"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="add_within_group_for_percentiles-296"><a href="#add_within_group_for_percentiles-296"><span class="linenos">296</span></a><span class="k">def</span> <span class="nf">add_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="add_within_group_for_percentiles-297"><a href="#add_within_group_for_percentiles-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="add_within_group_for_percentiles-298"><a href="#add_within_group_for_percentiles-298"><span class="linenos">298</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> -</span><span id="add_within_group_for_percentiles-299"><a href="#add_within_group_for_percentiles-299"><span class="linenos">299</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> -</span><span id="add_within_group_for_percentiles-300"><a href="#add_within_group_for_percentiles-300"><span class="linenos">300</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span> -</span><span id="add_within_group_for_percentiles-301"><a href="#add_within_group_for_percentiles-301"><span class="linenos">301</span></a> <span class="p">):</span> -</span><span id="add_within_group_for_percentiles-302"><a href="#add_within_group_for_percentiles-302"><span class="linenos">302</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> -</span><span id="add_within_group_for_percentiles-303"><a href="#add_within_group_for_percentiles-303"><span class="linenos">303</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">pop</span><span class="p">())</span> -</span><span id="add_within_group_for_percentiles-304"><a href="#add_within_group_for_percentiles-304"><span class="linenos">304</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)])</span> -</span><span id="add_within_group_for_percentiles-305"><a href="#add_within_group_for_percentiles-305"><span class="linenos">305</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">order</span><span class="p">)</span> -</span><span id="add_within_group_for_percentiles-306"><a href="#add_within_group_for_percentiles-306"><span class="linenos">306</span></a> -</span><span id="add_within_group_for_percentiles-307"><a href="#add_within_group_for_percentiles-307"><span class="linenos">307</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="add_within_group_for_percentiles-300"><a href="#add_within_group_for_percentiles-300"><span class="linenos">300</span></a><span class="k">def</span> <span class="nf">add_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="add_within_group_for_percentiles-301"><a href="#add_within_group_for_percentiles-301"><span class="linenos">301</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="add_within_group_for_percentiles-302"><a href="#add_within_group_for_percentiles-302"><span class="linenos">302</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> +</span><span id="add_within_group_for_percentiles-303"><a href="#add_within_group_for_percentiles-303"><span class="linenos">303</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> +</span><span id="add_within_group_for_percentiles-304"><a href="#add_within_group_for_percentiles-304"><span class="linenos">304</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span> +</span><span id="add_within_group_for_percentiles-305"><a href="#add_within_group_for_percentiles-305"><span class="linenos">305</span></a> <span class="p">):</span> +</span><span id="add_within_group_for_percentiles-306"><a href="#add_within_group_for_percentiles-306"><span class="linenos">306</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> +</span><span id="add_within_group_for_percentiles-307"><a href="#add_within_group_for_percentiles-307"><span class="linenos">307</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">pop</span><span class="p">())</span> +</span><span id="add_within_group_for_percentiles-308"><a href="#add_within_group_for_percentiles-308"><span class="linenos">308</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">column</span><span class="p">)])</span> +</span><span id="add_within_group_for_percentiles-309"><a href="#add_within_group_for_percentiles-309"><span class="linenos">309</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">order</span><span class="p">)</span> +</span><span id="add_within_group_for_percentiles-310"><a href="#add_within_group_for_percentiles-310"><span class="linenos">310</span></a> +</span><span id="add_within_group_for_percentiles-311"><a href="#add_within_group_for_percentiles-311"><span class="linenos">311</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -996,17 +1004,17 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#remove_within_group_for_percentiles"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="remove_within_group_for_percentiles-310"><a href="#remove_within_group_for_percentiles-310"><span class="linenos">310</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="remove_within_group_for_percentiles-311"><a href="#remove_within_group_for_percentiles-311"><span class="linenos">311</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="remove_within_group_for_percentiles-312"><a href="#remove_within_group_for_percentiles-312"><span class="linenos">312</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> -</span><span id="remove_within_group_for_percentiles-313"><a href="#remove_within_group_for_percentiles-313"><span class="linenos">313</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> -</span><span id="remove_within_group_for_percentiles-314"><a href="#remove_within_group_for_percentiles-314"><span class="linenos">314</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">)</span> -</span><span id="remove_within_group_for_percentiles-315"><a href="#remove_within_group_for_percentiles-315"><span class="linenos">315</span></a> <span class="p">):</span> -</span><span id="remove_within_group_for_percentiles-316"><a href="#remove_within_group_for_percentiles-316"><span class="linenos">316</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> -</span><span id="remove_within_group_for_percentiles-317"><a href="#remove_within_group_for_percentiles-317"><span class="linenos">317</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span> -</span><span id="remove_within_group_for_percentiles-318"><a href="#remove_within_group_for_percentiles-318"><span class="linenos">318</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span> -</span><span id="remove_within_group_for_percentiles-319"><a href="#remove_within_group_for_percentiles-319"><span class="linenos">319</span></a> -</span><span id="remove_within_group_for_percentiles-320"><a href="#remove_within_group_for_percentiles-320"><span class="linenos">320</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="remove_within_group_for_percentiles-314"><a href="#remove_within_group_for_percentiles-314"><span class="linenos">314</span></a><span class="k">def</span> <span class="nf">remove_within_group_for_percentiles</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="remove_within_group_for_percentiles-315"><a href="#remove_within_group_for_percentiles-315"><span class="linenos">315</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="remove_within_group_for_percentiles-316"><a href="#remove_within_group_for_percentiles-316"><span class="linenos">316</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">WithinGroup</span><span class="p">)</span> +</span><span id="remove_within_group_for_percentiles-317"><a href="#remove_within_group_for_percentiles-317"><span class="linenos">317</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">PERCENTILES</span><span class="p">)</span> +</span><span id="remove_within_group_for_percentiles-318"><a href="#remove_within_group_for_percentiles-318"><span class="linenos">318</span></a> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">)</span> +</span><span id="remove_within_group_for_percentiles-319"><a href="#remove_within_group_for_percentiles-319"><span class="linenos">319</span></a> <span class="p">):</span> +</span><span id="remove_within_group_for_percentiles-320"><a href="#remove_within_group_for_percentiles-320"><span class="linenos">320</span></a> <span class="n">quantile</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> +</span><span id="remove_within_group_for_percentiles-321"><a href="#remove_within_group_for_percentiles-321"><span class="linenos">321</span></a> <span class="n">input_value</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">))</span><span class="o">.</span><span class="n">this</span> +</span><span id="remove_within_group_for_percentiles-322"><a href="#remove_within_group_for_percentiles-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxQuantile</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">input_value</span><span class="p">,</span> <span class="n">quantile</span><span class="o">=</span><span class="n">quantile</span><span class="p">))</span> +</span><span id="remove_within_group_for_percentiles-323"><a href="#remove_within_group_for_percentiles-323"><span class="linenos">323</span></a> +</span><span id="remove_within_group_for_percentiles-324"><a href="#remove_within_group_for_percentiles-324"><span class="linenos">324</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1024,22 +1032,22 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#add_recursive_cte_column_names"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="add_recursive_cte_column_names-323"><a href="#add_recursive_cte_column_names-323"><span class="linenos">323</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="add_recursive_cte_column_names-324"><a href="#add_recursive_cte_column_names-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span> -</span><span id="add_recursive_cte_column_names-325"><a href="#add_recursive_cte_column_names-325"><span class="linenos">325</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">"_c_"</span><span class="p">)</span> -</span><span id="add_recursive_cte_column_names-326"><a href="#add_recursive_cte_column_names-326"><span class="linenos">326</span></a> -</span><span id="add_recursive_cte_column_names-327"><a href="#add_recursive_cte_column_names-327"><span class="linenos">327</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> -</span><span id="add_recursive_cte_column_names-328"><a href="#add_recursive_cte_column_names-328"><span class="linenos">328</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span> -</span><span id="add_recursive_cte_column_names-329"><a href="#add_recursive_cte_column_names-329"><span class="linenos">329</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span> -</span><span id="add_recursive_cte_column_names-330"><a href="#add_recursive_cte_column_names-330"><span class="linenos">330</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> -</span><span id="add_recursive_cte_column_names-331"><a href="#add_recursive_cte_column_names-331"><span class="linenos">331</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span> -</span><span id="add_recursive_cte_column_names-332"><a href="#add_recursive_cte_column_names-332"><span class="linenos">332</span></a> -</span><span id="add_recursive_cte_column_names-333"><a href="#add_recursive_cte_column_names-333"><span class="linenos">333</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> -</span><span id="add_recursive_cte_column_names-334"><a href="#add_recursive_cte_column_names-334"><span class="linenos">334</span></a> <span class="s2">"columns"</span><span class="p">,</span> -</span><span id="add_recursive_cte_column_names-335"><a href="#add_recursive_cte_column_names-335"><span class="linenos">335</span></a> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span> -</span><span id="add_recursive_cte_column_names-336"><a href="#add_recursive_cte_column_names-336"><span class="linenos">336</span></a> <span class="p">)</span> -</span><span id="add_recursive_cte_column_names-337"><a href="#add_recursive_cte_column_names-337"><span class="linenos">337</span></a> -</span><span id="add_recursive_cte_column_names-338"><a href="#add_recursive_cte_column_names-338"><span class="linenos">338</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="add_recursive_cte_column_names-327"><a href="#add_recursive_cte_column_names-327"><span class="linenos">327</span></a><span class="k">def</span> <span class="nf">add_recursive_cte_column_names</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="add_recursive_cte_column_names-328"><a href="#add_recursive_cte_column_names-328"><span class="linenos">328</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">recursive</span><span class="p">:</span> +</span><span id="add_recursive_cte_column_names-329"><a href="#add_recursive_cte_column_names-329"><span class="linenos">329</span></a> <span class="n">next_name</span> <span class="o">=</span> <span class="n">name_sequence</span><span class="p">(</span><span class="s2">"_c_"</span><span class="p">)</span> +</span><span id="add_recursive_cte_column_names-330"><a href="#add_recursive_cte_column_names-330"><span class="linenos">330</span></a> +</span><span id="add_recursive_cte_column_names-331"><a href="#add_recursive_cte_column_names-331"><span class="linenos">331</span></a> <span class="k">for</span> <span class="n">cte</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">:</span> +</span><span id="add_recursive_cte_column_names-332"><a href="#add_recursive_cte_column_names-332"><span class="linenos">332</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span> +</span><span id="add_recursive_cte_column_names-333"><a href="#add_recursive_cte_column_names-333"><span class="linenos">333</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">cte</span><span class="o">.</span><span class="n">this</span> +</span><span id="add_recursive_cte_column_names-334"><a href="#add_recursive_cte_column_names-334"><span class="linenos">334</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="add_recursive_cte_column_names-335"><a href="#add_recursive_cte_column_names-335"><span class="linenos">335</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">query</span><span class="o">.</span><span class="n">this</span> +</span><span id="add_recursive_cte_column_names-336"><a href="#add_recursive_cte_column_names-336"><span class="linenos">336</span></a> +</span><span id="add_recursive_cte_column_names-337"><a href="#add_recursive_cte_column_names-337"><span class="linenos">337</span></a> <span class="n">cte</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="add_recursive_cte_column_names-338"><a href="#add_recursive_cte_column_names-338"><span class="linenos">338</span></a> <span class="s2">"columns"</span><span class="p">,</span> +</span><span id="add_recursive_cte_column_names-339"><a href="#add_recursive_cte_column_names-339"><span class="linenos">339</span></a> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="ow">or</span> <span class="n">next_name</span><span class="p">())</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span><span class="p">],</span> +</span><span id="add_recursive_cte_column_names-340"><a href="#add_recursive_cte_column_names-340"><span class="linenos">340</span></a> <span class="p">)</span> +</span><span id="add_recursive_cte_column_names-341"><a href="#add_recursive_cte_column_names-341"><span class="linenos">341</span></a> +</span><span id="add_recursive_cte_column_names-342"><a href="#add_recursive_cte_column_names-342"><span class="linenos">342</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1057,15 +1065,15 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#epoch_cast_to_ts"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="epoch_cast_to_ts-341"><a href="#epoch_cast_to_ts-341"><span class="linenos">341</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="epoch_cast_to_ts-342"><a href="#epoch_cast_to_ts-342"><span class="linenos">342</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="epoch_cast_to_ts-343"><a href="#epoch_cast_to_ts-343"><span class="linenos">343</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span> -</span><span id="epoch_cast_to_ts-344"><a href="#epoch_cast_to_ts-344"><span class="linenos">344</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">"epoch"</span> -</span><span id="epoch_cast_to_ts-345"><a href="#epoch_cast_to_ts-345"><span class="linenos">345</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span> -</span><span id="epoch_cast_to_ts-346"><a href="#epoch_cast_to_ts-346"><span class="linenos">346</span></a> <span class="p">):</span> -</span><span id="epoch_cast_to_ts-347"><a href="#epoch_cast_to_ts-347"><span class="linenos">347</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"1970-01-01 00:00:00"</span><span class="p">))</span> -</span><span id="epoch_cast_to_ts-348"><a href="#epoch_cast_to_ts-348"><span class="linenos">348</span></a> -</span><span id="epoch_cast_to_ts-349"><a href="#epoch_cast_to_ts-349"><span class="linenos">349</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="epoch_cast_to_ts-345"><a href="#epoch_cast_to_ts-345"><span class="linenos">345</span></a><span class="k">def</span> <span class="nf">epoch_cast_to_ts</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="epoch_cast_to_ts-346"><a href="#epoch_cast_to_ts-346"><span class="linenos">346</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="epoch_cast_to_ts-347"><a href="#epoch_cast_to_ts-347"><span class="linenos">347</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">))</span> +</span><span id="epoch_cast_to_ts-348"><a href="#epoch_cast_to_ts-348"><span class="linenos">348</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">==</span> <span class="s2">"epoch"</span> +</span><span id="epoch_cast_to_ts-349"><a href="#epoch_cast_to_ts-349"><span class="linenos">349</span></a> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">to</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">TEMPORAL_TYPES</span> +</span><span id="epoch_cast_to_ts-350"><a href="#epoch_cast_to_ts-350"><span class="linenos">350</span></a> <span class="p">):</span> +</span><span id="epoch_cast_to_ts-351"><a href="#epoch_cast_to_ts-351"><span class="linenos">351</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"1970-01-01 00:00:00"</span><span class="p">))</span> +</span><span id="epoch_cast_to_ts-352"><a href="#epoch_cast_to_ts-352"><span class="linenos">352</span></a> +</span><span id="epoch_cast_to_ts-353"><a href="#epoch_cast_to_ts-353"><span class="linenos">353</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1083,13 +1091,13 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#timestamp_to_cast"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="timestamp_to_cast-352"><a href="#timestamp_to_cast-352"><span class="linenos">352</span></a><span class="k">def</span> <span class="nf">timestamp_to_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="timestamp_to_cast-353"><a href="#timestamp_to_cast-353"><span class="linenos">353</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span> -</span><span id="timestamp_to_cast-354"><a href="#timestamp_to_cast-354"><span class="linenos">354</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> -</span><span id="timestamp_to_cast-355"><a href="#timestamp_to_cast-355"><span class="linenos">355</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> -</span><span id="timestamp_to_cast-356"><a href="#timestamp_to_cast-356"><span class="linenos">356</span></a> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> -</span><span id="timestamp_to_cast-357"><a href="#timestamp_to_cast-357"><span class="linenos">357</span></a> <span class="p">)</span> -</span><span id="timestamp_to_cast-358"><a href="#timestamp_to_cast-358"><span class="linenos">358</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="timestamp_to_cast-356"><a href="#timestamp_to_cast-356"><span class="linenos">356</span></a><span class="k">def</span> <span class="nf">timestamp_to_cast</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="timestamp_to_cast-357"><a href="#timestamp_to_cast-357"><span class="linenos">357</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Timestamp</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">:</span> +</span><span id="timestamp_to_cast-358"><a href="#timestamp_to_cast-358"><span class="linenos">358</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> +</span><span id="timestamp_to_cast-359"><a href="#timestamp_to_cast-359"><span class="linenos">359</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="timestamp_to_cast-360"><a href="#timestamp_to_cast-360"><span class="linenos">360</span></a> <span class="n">to</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> +</span><span id="timestamp_to_cast-361"><a href="#timestamp_to_cast-361"><span class="linenos">361</span></a> <span class="p">)</span> +</span><span id="timestamp_to_cast-362"><a href="#timestamp_to_cast-362"><span class="linenos">362</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1107,20 +1115,20 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#eliminate_semi_and_anti_joins"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="eliminate_semi_and_anti_joins-361"><a href="#eliminate_semi_and_anti_joins-361"><span class="linenos">361</span></a><span class="k">def</span> <span class="nf">eliminate_semi_and_anti_joins</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="eliminate_semi_and_anti_joins-362"><a href="#eliminate_semi_and_anti_joins-362"><span class="linenos">362</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span> -</span><span id="eliminate_semi_and_anti_joins-363"><a href="#eliminate_semi_and_anti_joins-363"><span class="linenos">363</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span> -</span><span id="eliminate_semi_and_anti_joins-364"><a href="#eliminate_semi_and_anti_joins-364"><span class="linenos">364</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">)</span> -</span><span id="eliminate_semi_and_anti_joins-365"><a href="#eliminate_semi_and_anti_joins-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">on</span> <span class="ow">and</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"SEMI"</span><span class="p">,</span> <span class="s2">"ANTI"</span><span class="p">):</span> -</span><span id="eliminate_semi_and_anti_joins-366"><a href="#eliminate_semi_and_anti_joins-366"><span class="linenos">366</span></a> <span class="n">subquery</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"1"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">on</span><span class="p">)</span> -</span><span id="eliminate_semi_and_anti_joins-367"><a href="#eliminate_semi_and_anti_joins-367"><span class="linenos">367</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">subquery</span><span class="p">)</span> -</span><span id="eliminate_semi_and_anti_joins-368"><a href="#eliminate_semi_and_anti_joins-368"><span class="linenos">368</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s2">"ANTI"</span><span class="p">:</span> -</span><span id="eliminate_semi_and_anti_joins-369"><a href="#eliminate_semi_and_anti_joins-369"><span class="linenos">369</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exists</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="eliminate_semi_and_anti_joins-370"><a href="#eliminate_semi_and_anti_joins-370"><span class="linenos">370</span></a> -</span><span id="eliminate_semi_and_anti_joins-371"><a href="#eliminate_semi_and_anti_joins-371"><span class="linenos">371</span></a> <span class="n">join</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> -</span><span id="eliminate_semi_and_anti_joins-372"><a href="#eliminate_semi_and_anti_joins-372"><span class="linenos">372</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">exists</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="eliminate_semi_and_anti_joins-373"><a href="#eliminate_semi_and_anti_joins-373"><span class="linenos">373</span></a> -</span><span id="eliminate_semi_and_anti_joins-374"><a href="#eliminate_semi_and_anti_joins-374"><span class="linenos">374</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="eliminate_semi_and_anti_joins-365"><a href="#eliminate_semi_and_anti_joins-365"><span class="linenos">365</span></a><span class="k">def</span> <span class="nf">eliminate_semi_and_anti_joins</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="eliminate_semi_and_anti_joins-366"><a href="#eliminate_semi_and_anti_joins-366"><span class="linenos">366</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">):</span> +</span><span id="eliminate_semi_and_anti_joins-367"><a href="#eliminate_semi_and_anti_joins-367"><span class="linenos">367</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]:</span> +</span><span id="eliminate_semi_and_anti_joins-368"><a href="#eliminate_semi_and_anti_joins-368"><span class="linenos">368</span></a> <span class="n">on</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">)</span> +</span><span id="eliminate_semi_and_anti_joins-369"><a href="#eliminate_semi_and_anti_joins-369"><span class="linenos">369</span></a> <span class="k">if</span> <span class="n">on</span> <span class="ow">and</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"SEMI"</span><span class="p">,</span> <span class="s2">"ANTI"</span><span class="p">):</span> +</span><span id="eliminate_semi_and_anti_joins-370"><a href="#eliminate_semi_and_anti_joins-370"><span class="linenos">370</span></a> <span class="n">subquery</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"1"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">on</span><span class="p">)</span> +</span><span id="eliminate_semi_and_anti_joins-371"><a href="#eliminate_semi_and_anti_joins-371"><span class="linenos">371</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Exists</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">subquery</span><span class="p">)</span> +</span><span id="eliminate_semi_and_anti_joins-372"><a href="#eliminate_semi_and_anti_joins-372"><span class="linenos">372</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s2">"ANTI"</span><span class="p">:</span> +</span><span id="eliminate_semi_and_anti_joins-373"><a href="#eliminate_semi_and_anti_joins-373"><span class="linenos">373</span></a> <span class="n">exists</span> <span class="o">=</span> <span class="n">exists</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="eliminate_semi_and_anti_joins-374"><a href="#eliminate_semi_and_anti_joins-374"><span class="linenos">374</span></a> +</span><span id="eliminate_semi_and_anti_joins-375"><a href="#eliminate_semi_and_anti_joins-375"><span class="linenos">375</span></a> <span class="n">join</span><span class="o">.</span><span class="n">pop</span><span class="p">()</span> +</span><span id="eliminate_semi_and_anti_joins-376"><a href="#eliminate_semi_and_anti_joins-376"><span class="linenos">376</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">exists</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="eliminate_semi_and_anti_joins-377"><a href="#eliminate_semi_and_anti_joins-377"><span class="linenos">377</span></a> +</span><span id="eliminate_semi_and_anti_joins-378"><a href="#eliminate_semi_and_anti_joins-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1138,50 +1146,50 @@ other expressions. This transforms removes the precision from parameterized type </div> <a class="headerlink" href="#preprocess"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="preprocess-377"><a href="#preprocess-377"><span class="linenos">377</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span> -</span><span id="preprocess-378"><a href="#preprocess-378"><span class="linenos">378</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span> -</span><span id="preprocess-379"><a href="#preprocess-379"><span class="linenos">379</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> -</span><span id="preprocess-380"><a href="#preprocess-380"><span class="linenos">380</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="preprocess-381"><a href="#preprocess-381"><span class="linenos">381</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span> -</span><span id="preprocess-382"><a href="#preprocess-382"><span class="linenos">382</span></a><span class="sd"> expression to SQL, using either the "_sql" method corresponding to the resulting expression,</span> -</span><span id="preprocess-383"><a href="#preprocess-383"><span class="linenos">383</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span> -</span><span id="preprocess-384"><a href="#preprocess-384"><span class="linenos">384</span></a> -</span><span id="preprocess-385"><a href="#preprocess-385"><span class="linenos">385</span></a><span class="sd"> Args:</span> -</span><span id="preprocess-386"><a href="#preprocess-386"><span class="linenos">386</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span> -</span><span id="preprocess-387"><a href="#preprocess-387"><span class="linenos">387</span></a> -</span><span id="preprocess-388"><a href="#preprocess-388"><span class="linenos">388</span></a><span class="sd"> Returns:</span> -</span><span id="preprocess-389"><a href="#preprocess-389"><span class="linenos">389</span></a><span class="sd"> Function that can be used as a generator transform.</span> -</span><span id="preprocess-390"><a href="#preprocess-390"><span class="linenos">390</span></a><span class="sd"> """</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="preprocess-381"><a href="#preprocess-381"><span class="linenos">381</span></a><span class="k">def</span> <span class="nf">preprocess</span><span class="p">(</span> +</span><span id="preprocess-382"><a href="#preprocess-382"><span class="linenos">382</span></a> <span class="n">transforms</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]],</span> +</span><span id="preprocess-383"><a href="#preprocess-383"><span class="linenos">383</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> +</span><span id="preprocess-384"><a href="#preprocess-384"><span class="linenos">384</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="preprocess-385"><a href="#preprocess-385"><span class="linenos">385</span></a><span class="sd"> Creates a new transform by chaining a sequence of transformations and converts the resulting</span> +</span><span id="preprocess-386"><a href="#preprocess-386"><span class="linenos">386</span></a><span class="sd"> expression to SQL, using either the "_sql" method corresponding to the resulting expression,</span> +</span><span id="preprocess-387"><a href="#preprocess-387"><span class="linenos">387</span></a><span class="sd"> or the appropriate `Generator.TRANSFORMS` function (when applicable -- see below).</span> +</span><span id="preprocess-388"><a href="#preprocess-388"><span class="linenos">388</span></a> +</span><span id="preprocess-389"><a href="#preprocess-389"><span class="linenos">389</span></a><span class="sd"> Args:</span> +</span><span id="preprocess-390"><a href="#preprocess-390"><span class="linenos">390</span></a><span class="sd"> transforms: sequence of transform functions. These will be called in order.</span> </span><span id="preprocess-391"><a href="#preprocess-391"><span class="linenos">391</span></a> -</span><span id="preprocess-392"><a href="#preprocess-392"><span class="linenos">392</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="preprocess-393"><a href="#preprocess-393"><span class="linenos">393</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="preprocess-394"><a href="#preprocess-394"><span class="linenos">394</span></a> -</span><span id="preprocess-395"><a href="#preprocess-395"><span class="linenos">395</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> -</span><span id="preprocess-396"><a href="#preprocess-396"><span class="linenos">396</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="preprocess-397"><a href="#preprocess-397"><span class="linenos">397</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="preprocess-392"><a href="#preprocess-392"><span class="linenos">392</span></a><span class="sd"> Returns:</span> +</span><span id="preprocess-393"><a href="#preprocess-393"><span class="linenos">393</span></a><span class="sd"> Function that can be used as a generator transform.</span> +</span><span id="preprocess-394"><a href="#preprocess-394"><span class="linenos">394</span></a><span class="sd"> """</span> +</span><span id="preprocess-395"><a href="#preprocess-395"><span class="linenos">395</span></a> +</span><span id="preprocess-396"><a href="#preprocess-396"><span class="linenos">396</span></a> <span class="k">def</span> <span class="nf">_to_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="preprocess-397"><a href="#preprocess-397"><span class="linenos">397</span></a> <span class="n">expression_type</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span><span id="preprocess-398"><a href="#preprocess-398"><span class="linenos">398</span></a> -</span><span id="preprocess-399"><a href="#preprocess-399"><span class="linenos">399</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">"_sql"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="preprocess-400"><a href="#preprocess-400"><span class="linenos">400</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span> -</span><span id="preprocess-401"><a href="#preprocess-401"><span class="linenos">401</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="preprocess-399"><a href="#preprocess-399"><span class="linenos">399</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">0</span><span class="p">](</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="preprocess-400"><a href="#preprocess-400"><span class="linenos">400</span></a> <span class="k">for</span> <span class="n">t</span> <span class="ow">in</span> <span class="n">transforms</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="preprocess-401"><a href="#preprocess-401"><span class="linenos">401</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">t</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span><span id="preprocess-402"><a href="#preprocess-402"><span class="linenos">402</span></a> -</span><span id="preprocess-403"><a href="#preprocess-403"><span class="linenos">403</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> -</span><span id="preprocess-404"><a href="#preprocess-404"><span class="linenos">404</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span> -</span><span id="preprocess-405"><a href="#preprocess-405"><span class="linenos">405</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="preprocess-406"><a href="#preprocess-406"><span class="linenos">406</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Func</span><span class="p">):</span> -</span><span id="preprocess-407"><a href="#preprocess-407"><span class="linenos">407</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="preprocess-408"><a href="#preprocess-408"><span class="linenos">408</span></a> -</span><span id="preprocess-409"><a href="#preprocess-409"><span class="linenos">409</span></a> <span class="c1"># Ensures we don't enter an infinite loop. This can happen when the original expression</span> -</span><span id="preprocess-410"><a href="#preprocess-410"><span class="linenos">410</span></a> <span class="c1"># has the same type as the final expression and there's no _sql method available for it,</span> -</span><span id="preprocess-411"><a href="#preprocess-411"><span class="linenos">411</span></a> <span class="c1"># because then it'd re-enter _to_sql.</span> -</span><span id="preprocess-412"><a href="#preprocess-412"><span class="linenos">412</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span> -</span><span id="preprocess-413"><a href="#preprocess-413"><span class="linenos">413</span></a> <span class="sa">f</span><span class="s2">"Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed."</span> -</span><span id="preprocess-414"><a href="#preprocess-414"><span class="linenos">414</span></a> <span class="p">)</span> -</span><span id="preprocess-415"><a href="#preprocess-415"><span class="linenos">415</span></a> -</span><span id="preprocess-416"><a href="#preprocess-416"><span class="linenos">416</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> -</span><span id="preprocess-417"><a href="#preprocess-417"><span class="linenos">417</span></a> -</span><span id="preprocess-418"><a href="#preprocess-418"><span class="linenos">418</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> +</span><span id="preprocess-403"><a href="#preprocess-403"><span class="linenos">403</span></a> <span class="n">_sql_handler</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">key</span> <span class="o">+</span> <span class="s2">"_sql"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="preprocess-404"><a href="#preprocess-404"><span class="linenos">404</span></a> <span class="k">if</span> <span class="n">_sql_handler</span><span class="p">:</span> +</span><span id="preprocess-405"><a href="#preprocess-405"><span class="linenos">405</span></a> <span class="k">return</span> <span class="n">_sql_handler</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="preprocess-406"><a href="#preprocess-406"><span class="linenos">406</span></a> +</span><span id="preprocess-407"><a href="#preprocess-407"><span class="linenos">407</span></a> <span class="n">transforms_handler</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> +</span><span id="preprocess-408"><a href="#preprocess-408"><span class="linenos">408</span></a> <span class="k">if</span> <span class="n">transforms_handler</span><span class="p">:</span> +</span><span id="preprocess-409"><a href="#preprocess-409"><span class="linenos">409</span></a> <span class="k">if</span> <span class="n">expression_type</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="preprocess-410"><a href="#preprocess-410"><span class="linenos">410</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Func</span><span class="p">):</span> +</span><span id="preprocess-411"><a href="#preprocess-411"><span class="linenos">411</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">function_fallback_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="preprocess-412"><a href="#preprocess-412"><span class="linenos">412</span></a> +</span><span id="preprocess-413"><a href="#preprocess-413"><span class="linenos">413</span></a> <span class="c1"># Ensures we don't enter an infinite loop. This can happen when the original expression</span> +</span><span id="preprocess-414"><a href="#preprocess-414"><span class="linenos">414</span></a> <span class="c1"># has the same type as the final expression and there's no _sql method available for it,</span> +</span><span id="preprocess-415"><a href="#preprocess-415"><span class="linenos">415</span></a> <span class="c1"># because then it'd re-enter _to_sql.</span> +</span><span id="preprocess-416"><a href="#preprocess-416"><span class="linenos">416</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span> +</span><span id="preprocess-417"><a href="#preprocess-417"><span class="linenos">417</span></a> <span class="sa">f</span><span class="s2">"Expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2"> requires a _sql method in order to be transformed."</span> +</span><span id="preprocess-418"><a href="#preprocess-418"><span class="linenos">418</span></a> <span class="p">)</span> </span><span id="preprocess-419"><a href="#preprocess-419"><span class="linenos">419</span></a> -</span><span id="preprocess-420"><a href="#preprocess-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">_to_sql</span> +</span><span id="preprocess-420"><a href="#preprocess-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">transforms_handler</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> +</span><span id="preprocess-421"><a href="#preprocess-421"><span class="linenos">421</span></a> +</span><span id="preprocess-422"><a href="#preprocess-422"><span class="linenos">422</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unsupported expression type </span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> +</span><span id="preprocess-423"><a href="#preprocess-423"><span class="linenos">423</span></a> +</span><span id="preprocess-424"><a href="#preprocess-424"><span class="linenos">424</span></a> <span class="k">return</span> <span class="n">_to_sql</span> </span></pre></div> |