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diff --git a/docs/sqlglot/executor/python.html b/docs/sqlglot/executor/python.html index 2c1a429..a00e7e8 100644 --- a/docs/sqlglot/executor/python.html +++ b/docs/sqlglot/executor/python.html @@ -3,7 +3,7 @@ <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> - <meta name="generator" content="pdoc 13.0.0"/> + <meta name="generator" content="pdoc 13.0.1"/> <title>sqlglot.executor.python API documentation</title> <style>/*! * Bootstrap Reboot v5.0.0 (https://getbootstrap.com/) * Copyright 2011-2021 The Bootstrap Authors * Copyright 2011-2021 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md) */*,::after,::before{box-sizing:border-box}@media (prefers-reduced-motion:no-preference){:root{scroll-behavior:smooth}}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;background-color:#fff;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}hr{margin:1rem 0;color:inherit;background-color:currentColor;border:0;opacity:.25}hr:not([size]){height:1px}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:500;line-height:1.2}h1{font-size:calc(1.375rem + 1.5vw)}@media (min-width:1200px){h1{font-size:2.5rem}}h2{font-size:calc(1.325rem + .9vw)}@media (min-width:1200px){h2{font-size:2rem}}h3{font-size:calc(1.3rem + .6vw)}@media (min-width:1200px){h3{font-size:1.75rem}}h4{font-size:calc(1.275rem + .3vw)}@media (min-width:1200px){h4{font-size:1.5rem}}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-top:0;margin-bottom:1rem}abbr[data-bs-original-title],abbr[title]{-webkit-text-decoration:underline dotted;text-decoration:underline 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code{font-size:inherit;color:inherit;word-break:normal}code{font-size:.875em;color:#d63384;word-wrap:break-word}a>code{color:inherit}kbd{padding:.2rem .4rem;font-size:.875em;color:#fff;background-color:#212529;border-radius:.2rem}kbd kbd{padding:0;font-size:1em;font-weight:700}figure{margin:0 0 1rem}img,svg{vertical-align:middle}table{caption-side:bottom;border-collapse:collapse}caption{padding-top:.5rem;padding-bottom:.5rem;color:#6c757d;text-align:left}th{text-align:inherit;text-align:-webkit-match-parent}tbody,td,tfoot,th,thead,tr{border-color:inherit;border-style:solid;border-width:0}label{display:inline-block}button{border-radius:0}button:focus:not(:focus-visible){outline:0}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,select{text-transform:none}[role=button]{cursor:pointer}select{word-wrap:normal}select:disabled{opacity:1}[list]::-webkit-calendar-picker-indicator{display:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}::-moz-focus-inner{padding:0;border-style:none}textarea{resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{float:left;width:100%;padding:0;margin-bottom:.5rem;font-size:calc(1.275rem + .3vw);line-height:inherit}@media (min-width:1200px){legend{font-size:1.5rem}}legend+*{clear:left}::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-fields-wrapper,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-text,::-webkit-datetime-edit-year-field{padding:0}::-webkit-inner-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:textfield}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-color-swatch-wrapper{padding:0}::file-selector-button{font:inherit}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}iframe{border:0}summary{display:list-item;cursor:pointer}progress{vertical-align:baseline}[hidden]{display:none!important}</style> @@ -28,8 +28,8 @@ - <h2>API Documentation</h2> - <ul class="memberlist"> + <h2>API Documentation</h2> + <ul class="memberlist"> <li> <a class="class" href="#PythonExecutor">PythonExecutor</a> <ul class="memberlist"> @@ -221,345 +221,333 @@ </span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">):</span> </span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span> </span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">static</span><span class="p">()</span> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">projections</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span> -</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]})</span> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">table_iter</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span> -</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_csv</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">context</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">table_iter</span><span class="p">)</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_table</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">reader</span> <span class="ow">in</span> <span class="n">table_iter</span><span class="p">:</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">break</span> -</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">continue</span> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> -</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">def</span> <span class="nf">static</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({}),</span> <span class="p">[</span><span class="n">RowReader</span><span class="p">(())]</span> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">scan_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">)</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="n">context</span><span class="p">,</span> <span class="nb">iter</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">def</span> <span class="nf">scan_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias</span> -</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span> -</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">alias</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">yield</span> <span class="n">context</span> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">types</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">reader</span><span class="p">:</span> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">types</span><span class="p">:</span> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">ast</span><span class="o">.</span><span class="n">literal_eval</span><span class="p">(</span><span class="n">v</span><span class="p">)))</span> -</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">SyntaxError</span><span class="p">):</span> -</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> -</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_row</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">t</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">types</span><span class="p">,</span> <span class="n">row</span><span class="p">)))</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="k">yield</span> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">reader</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">source_table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">source</span><span class="p">:</span> <span class="n">source_table</span><span class="p">})</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">column_ranges</span> <span class="o">=</span> <span class="p">{</span><span class="n">source</span><span class="p">:</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">source_table</span><span class="o">.</span><span class="n">columns</span><span class="p">))}</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">start</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">stop</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">column_ranges</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">start</span><span class="p">)</span> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">join_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"source_key"</span><span class="p">):</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hash_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_loop_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="p">{</span> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">column_range</span><span class="p">)</span> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">column_range</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="p">}</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="p">)</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"condition"</span><span class="p">])</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="k">if</span> <span class="n">condition</span><span class="p">:</span> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">source_context</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">return</span> <span class="n">source_context</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="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">if</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">static</span><span class="p">()</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]})</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">table_iter</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_csv</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">context</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">table_iter</span><span class="p">)</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_table</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_project_and_filter</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">table_iter</span><span class="p">)})</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="k">def</span> <span class="nf">_project_and_filter</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">table_iter</span><span class="p">):</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">else</span> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">for</span> <span class="n">reader</span> <span class="ow">in</span> <span class="n">table_iter</span><span class="p">:</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">break</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">continue</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="n">sink</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">def</span> <span class="nf">static</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({}),</span> <span class="p">[</span><span class="n">RowReader</span><span class="p">(())]</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">scan_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">)</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">return</span> <span class="n">context</span><span class="p">,</span> <span class="nb">iter</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">def</span> <span class="nf">scan_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias</span> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">alias</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">yield</span> <span class="n">context</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">types</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">reader</span><span class="p">:</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">types</span><span class="p">:</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">ast</span><span class="o">.</span><span class="n">literal_eval</span><span class="p">(</span><span class="n">v</span><span class="p">)))</span> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">SyntaxError</span><span class="p">):</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_row</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">t</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">types</span><span class="p">,</span> <span class="n">row</span><span class="p">)))</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">yield</span> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">reader</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">source_table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">source</span><span class="p">:</span> <span class="n">source_table</span><span class="p">})</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">column_ranges</span> <span class="o">=</span> <span class="p">{</span><span class="n">source</span><span class="p">:</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">source_table</span><span class="o">.</span><span class="n">columns</span><span class="p">))}</span> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">start</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">stop</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">column_ranges</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">start</span><span class="p">)</span> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">join_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"source_key"</span><span class="p">):</span> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hash_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_loop_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="p">{</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">column_range</span><span class="p">)</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">column_range</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="p">}</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="p">)</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"condition"</span><span class="p">])</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="k">if</span> <span class="n">condition</span><span class="p">:</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">source_context</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="k">return</span> <span class="n">source_context</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="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_project_and_filter</span><span class="p">(</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">source_context</span><span class="p">,</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">step</span><span class="p">,</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="p">(</span><span class="n">reader</span> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">iter</span><span class="p">(</span><span class="n">source_context</span><span class="p">)),</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="p">)</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">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">continue</span> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">break</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="p">{</span> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">column_range</span><span class="p">)</span> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">source_context</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="p">}</span> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="p">)</span> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">def</span> <span class="nf">nested_loop_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="p">{</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">column_range</span><span class="p">)</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">source_context</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="p">}</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="p">)</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">def</span> <span class="nf">nested_loop_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">for</span> <span class="n">reader_a</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">for</span> <span class="n">reader_b</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader_a</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">reader_b</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">return</span> <span class="n">table</span> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="k">def</span> <span class="nf">hash_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="n">source_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"source_key"</span><span class="p">])</span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"join_key"</span><span class="p">])</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"LEFT"</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"RIGHT"</span> </span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">for</span> <span class="n">reader_a</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">for</span> <span class="n">reader_b</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader_a</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">reader_b</span><span class="o">.</span><span class="n">row</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">return</span> <span class="n">table</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">def</span> <span class="nf">hash_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">source_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"source_key"</span><span class="p">])</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"join_key"</span><span class="p">])</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"LEFT"</span> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"RIGHT"</span> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">results</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="p">([],</span> <span class="p">[]))</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">source_key</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">join_key</span><span class="p">)][</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">results</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="p">([],</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="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">source_key</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">join_key</span><span class="p">)][</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</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="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">nulls</span> <span class="o">=</span> <span class="p">[(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">join_context</span><span class="o">.</span><span class="n">columns</span> <span class="k">if</span> <span class="n">left</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)]</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">for</span> <span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span> <span class="ow">in</span> <span class="n">results</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">if</span> <span class="n">left</span><span class="p">:</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">b_group</span> <span class="o">=</span> <span class="n">b_group</span> <span class="ow">or</span> <span class="n">nulls</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">elif</span> <span class="n">right</span><span class="p">:</span> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">a_group</span> <span class="o">=</span> <span class="n">a_group</span> <span class="ow">or</span> <span class="n">nulls</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">for</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">b_row</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">product</span><span class="p">(</span><span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span><span class="p">):</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a_row</span> <span class="o">+</span> <span class="n">b_row</span><span class="p">)</span> </span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">nulls</span> <span class="o">=</span> <span class="p">[(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">join_context</span><span class="o">.</span><span class="n">columns</span> <span class="k">if</span> <span class="n">left</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)]</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">for</span> <span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span> <span class="ow">in</span> <span class="n">results</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="n">left</span><span class="p">:</span> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">b_group</span> <span class="o">=</span> <span class="n">b_group</span> <span class="ow">or</span> <span class="n">nulls</span> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">elif</span> <span class="n">right</span><span class="p">:</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">a_group</span> <span class="o">=</span> <span class="n">a_group</span> <span class="ow">or</span> <span class="n">nulls</span> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="k">for</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">b_row</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">product</span><span class="p">(</span><span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span><span class="p">):</span> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a_row</span> <span class="o">+</span> <span class="n">b_row</span><span class="p">)</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">return</span> <span class="n">table</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">def</span> <span class="nf">aggregate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">return</span> <span class="n">table</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">def</span> <span class="nf">aggregate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="n">operands</span><span class="p">:</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">operand_table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">operands</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="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">operand_table</span><span class="o">.</span><span class="n">rows</span><span class="p">)):</span> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> +</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">width</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">context</span><span class="o">.</span><span class="n">add_columns</span><span class="p">(</span><span class="o">*</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> </span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">if</span> <span class="n">operands</span><span class="p">:</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">operand_table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">operands</span><span class="p">))</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="nb">range</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">width</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</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><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">operand_table</span><span class="o">.</span><span class="n">rows</span><span class="p">)):</span> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="n">width</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">context</span><span class="o">.</span><span class="n">add_columns</span><span class="p">(</span><span class="o">*</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</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">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="nb">range</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">width</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)),</span> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="p">)</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</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 class="kc">None</span><span class="p">:</span> <span class="n">operand_table</span><span class="p">,</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="o">**</span><span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">,</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="p">}</span> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span 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="n">context</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> -</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="n">group</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="n">start</span> <span class="o">=</span> <span class="mi">0</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="mi">1</span> -</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="p">)</span> <span class="o">+</span> <span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">def</span> <span class="nf">add_row</span><span class="p">():</span> -</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">or</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">group</span> <span class="o">+</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="n">length</span><span class="p">:</span> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">length</span><span class="p">):</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">key</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> <span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">group</span> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">end</span> <span class="o">+=</span> <span class="mi">1</span> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">group</span><span class="p">:</span> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="n">add_row</span><span class="p">()</span> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="n">start</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="k">break</span> -</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">add_row</span><span class="p">()</span> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="k">elif</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">></span> <span class="mi">0</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">group_by</span><span class="p">:</span> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">,</span> <span class="o">**</span><span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">}})</span> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</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 class="kc">None</span><span class="p">:</span> <span class="n">operand_table</span><span class="p">,</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="o">**</span><span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">,</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="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="n">context</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="n">group</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">start</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">end</span> <span class="o">=</span> <span class="mi">1</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="p">)</span> <span class="o">+</span> <span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">def</span> <span class="nf">add_row</span><span class="p">():</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">or</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">group</span> <span class="o">+</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="n">length</span><span class="p">:</span> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">length</span><span class="p">):</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">key</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> <span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">group</span> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">end</span> <span class="o">+=</span> <span class="mi">1</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">group</span><span class="p">:</span> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="n">add_row</span><span class="p">()</span> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="n">start</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">break</span> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">add_row</span><span class="p">()</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="k">elif</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">></span> <span class="mi">0</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">group_by</span><span class="p">:</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">,</span> <span class="o">**</span><span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">}})</span> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan</span><span class="p">(</span><span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">)</span> +</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="k">return</span> <span class="n">context</span> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="k">def</span> <span class="nf">sort</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="n">projection_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">]</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">projection_columns</span> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</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">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan</span><span class="p">(</span><span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">)</span> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">return</span> <span class="n">context</span> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">def</span> <span class="nf">sort</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">projection_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">]</span> -</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">projection_columns</span> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="n">sort_ctx</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="p">{</span> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">sink</span><span class="p">,</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="o">**</span><span class="p">{</span><span class="n">table</span><span class="p">:</span> <span class="n">sink</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</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 class="p">)</span> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">key</span><span class="p">))</span> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">isinf</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">):</span> -</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="mi">0</span> <span class="p">:</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">]</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="n">sort_ctx</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="p">{</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">sink</span><span class="p">,</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="o">**</span><span class="p">{</span><span class="n">table</span><span class="p">:</span> <span class="n">sink</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">},</span> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="p">}</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="p">)</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">key</span><span class="p">))</span> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">isinf</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">):</span> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="mi">0</span> <span class="p">:</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</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="n">output</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="n">projection_columns</span><span class="p">,</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="p">:</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">],</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="p">)</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">output</span><span class="p">})</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="k">def</span> <span class="nf">set_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">left</span><span class="p">]</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">right</span><span class="p">]</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> </span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="n">output</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="n">projection_columns</span><span class="p">,</span> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="p">:</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">],</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="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">output</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">def</span> <span class="nf">set_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">left</span><span class="p">]</span> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">right</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="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="k">if</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Intersect</span><span class="p">):</span> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Except</span><span class="p">):</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">)</span> <span class="ow">and</span> <span class="n">step</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">rows</span> <span class="o">+</span> <span class="n">right</span><span class="o">.</span><span class="n">rows</span> +</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">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> </span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="k">if</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Intersect</span><span class="p">):</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Except</span><span class="p">):</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">)</span> <span class="ow">and</span> <span class="n">step</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">rows</span> <span class="o">+</span> <span class="n">right</span><span class="o">.</span><span class="n">rows</span> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a><span class="k">def</span> <span class="nf">_ordered_py</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-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="s2">"True"</span> <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">"desc"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"False"</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="n">nulls_first</span> <span class="o">=</span> <span class="s2">"True"</span> <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">"nulls_first"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"False"</span> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"ORDERED(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">desc</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">nulls_first</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a><span class="k">def</span> <span class="nf">_ordered_py</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-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="s2">"True"</span> <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">"desc"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"False"</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="n">nulls_first</span> <span class="o">=</span> <span class="s2">"True"</span> <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">"nulls_first"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"False"</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"ORDERED(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">desc</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">nulls_first</span><span class="si">}</span><span class="s2">)"</span> +</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><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a><span class="k">def</span> <span class="nf">_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">):</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="k">if</span> <span class="s2">"expressions"</span> <span class="ow">in</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="n">this</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, "</span> <span class="k">if</span> <span class="n">this</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">key</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="n">this</span><span class="si">}{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">ex</span><span class="p">:</span> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Could not rename </span><span class="si">{</span><span class="nb">repr</span><span class="p">(</span><span class="n">e</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span> <span class="nn">ex</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> </span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a><span class="k">def</span> <span class="nf">_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">):</span> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="k">if</span> <span class="s2">"expressions"</span> <span class="ow">in</span> <span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="n">this</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, "</span> <span class="k">if</span> <span class="n">this</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">key</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="n">this</span><span class="si">}{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">key</span><span class="p">,</span> <span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">ex</span><span class="p">:</span> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Could not rename </span><span class="si">{</span><span class="nb">repr</span><span class="p">(</span><span class="n">e</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> <span class="kn">from</span> <span class="nn">ex</span> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a><span class="k">def</span> <span class="nf">_case_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><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="n">chain</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"None"</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">reversed</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"ifs"</span><span class="p">]):</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="n">true</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"true"</span><span class="p">)</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2"> = (</span><span class="si">{</span><span class="n">condition</span><span class="si">}</span><span class="s2">)"</span> <span class="k">if</span> <span class="n">this</span> <span class="k">else</span> <span class="n">condition</span> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="n">chain</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">true</span><span class="si">}</span><span class="s2"> if </span><span class="si">{</span><span class="n">condition</span><span class="si">}</span><span class="s2"> else (</span><span class="si">{</span><span class="n">chain</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="k">return</span> <span class="n">chain</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="k">def</span> <span class="nf">_case_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><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="n">chain</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"default"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"None"</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a><span class="k">def</span> <span class="nf">_lambda_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">e</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="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">e</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</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="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">reversed</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"ifs"</span><span class="p">]):</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="n">true</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"true"</span><span class="p">)</span> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2"> = (</span><span class="si">{</span><span class="n">condition</span><span class="si">}</span><span class="s2">)"</span> <span class="k">if</span> <span class="n">this</span> <span class="k">else</span> <span class="n">condition</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">chain</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">true</span><span class="si">}</span><span class="s2"> if </span><span class="si">{</span><span class="n">condition</span><span class="si">}</span><span class="s2"> else (</span><span class="si">{</span><span class="n">chain</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="n">e</span> <span class="o">=</span> <span class="n">e</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="k">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">n</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> <span class="ow">and</span> <span class="n">n</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="ow">in</span> <span class="n">names</span> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">else</span> <span class="n">n</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <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="k">return</span> <span class="n">chain</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"lambda </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span> </span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> </span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a><span class="k">def</span> <span class="nf">_lambda_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">e</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="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">e</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> -</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">e</span> <span class="o">=</span> <span class="n">e</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">lambda</span> <span class="n">n</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">n</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> <span class="ow">and</span> <span class="n">n</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="ow">in</span> <span class="n">names</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">else</span> <span class="n">n</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <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="k">return</span> <span class="sa">f</span><span class="s2">"lambda </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">"</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><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a><span class="k">class</span> <span class="nc">Python</span><span class="p">(</span><span class="n">Dialect</span><span class="p">):</span> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">tokens</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">generator</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)},</span> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">ALL_FUNCTIONS</span><span class="p">},</span> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="n">_case_sql</span><span class="p">,</span> -</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="n">inline_array_sql</span><span class="p">,</span> -</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"and"</span><span class="p">),</span> -</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">:</span> <span class="n">_rename</span><span class="p">,</span> -</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="s2">"True"</span> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> <span class="k">else</span> <span class="s2">"False"</span><span class="p">,</span> -</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">, exp.DataType.Type.</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'to'</span><span class="p">]</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"scope[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'table'</span><span class="p">)</span><span class="w"> </span><span class="ow">or</span><span class="w"> </span><span class="kc">None</span><span class="si">}</span><span class="s2">][</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span><span class="p">,</span> -</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"set(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"EXTRACT('</span><span class="si">{</span><span class="n">e</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="si">}</span><span class="s2">', </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> in (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">),</span> -</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">:</span> <span class="n">_lambda_sql</span><span class="p">,</span> -</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"not </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"None"</span><span class="p">,</span> -</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">),</span> -</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">:</span> <span class="n">_ordered_py</span><span class="p">,</span> -</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"1"</span><span class="p">,</span> -</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> <span class="p">}</span> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a><span class="k">class</span> <span class="nc">Python</span><span class="p">(</span><span class="n">Dialect</span><span class="p">):</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">tokens</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">generator</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)},</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">ALL_FUNCTIONS</span><span class="p">},</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="n">_case_sql</span><span class="p">,</span> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="n">inline_array_sql</span><span class="p">,</span> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"and"</span><span class="p">),</span> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">:</span> <span class="n">_rename</span><span class="p">,</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="s2">"True"</span> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> <span class="k">else</span> <span class="s2">"False"</span><span class="p">,</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">, exp.DataType.Type.</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'to'</span><span class="p">]</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"scope[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'table'</span><span class="p">)</span><span class="w"> </span><span class="ow">or</span><span class="w"> </span><span class="kc">None</span><span class="si">}</span><span class="s2">][</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span><span class="p">,</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"set(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"EXTRACT('</span><span class="si">{</span><span class="n">e</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="si">}</span><span class="s2">', </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> in (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">),</span> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">:</span> <span class="n">_lambda_sql</span><span class="p">,</span> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"not </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"None"</span><span class="p">,</span> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">),</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">:</span> <span class="n">_ordered_py</span><span class="p">,</span> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"1"</span><span class="p">,</span> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="p">}</span> </span></pre></div> @@ -657,273 +645,261 @@ </span><span id="PythonExecutor-95"><a href="#PythonExecutor-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">):</span> </span><span id="PythonExecutor-96"><a href="#PythonExecutor-96"><span class="linenos"> 96</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span> </span><span id="PythonExecutor-97"><a href="#PythonExecutor-97"><span class="linenos"> 97</span></a> -</span><span id="PythonExecutor-98"><a href="#PythonExecutor-98"><span class="linenos"> 98</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor-99"><a href="#PythonExecutor-99"><span class="linenos"> 99</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor-100"><a href="#PythonExecutor-100"><span class="linenos">100</span></a> -</span><span id="PythonExecutor-101"><a href="#PythonExecutor-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="PythonExecutor-102"><a href="#PythonExecutor-102"><span class="linenos">102</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">static</span><span class="p">()</span> -</span><span id="PythonExecutor-103"><a href="#PythonExecutor-103"><span class="linenos">103</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="PythonExecutor-104"><a href="#PythonExecutor-104"><span class="linenos">104</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">projections</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span> -</span><span id="PythonExecutor-105"><a href="#PythonExecutor-105"><span class="linenos">105</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]})</span> -</span><span id="PythonExecutor-106"><a href="#PythonExecutor-106"><span class="linenos">106</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">table_iter</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> -</span><span id="PythonExecutor-107"><a href="#PythonExecutor-107"><span class="linenos">107</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span> -</span><span id="PythonExecutor-108"><a href="#PythonExecutor-108"><span class="linenos">108</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_csv</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="PythonExecutor-109"><a href="#PythonExecutor-109"><span class="linenos">109</span></a> <span class="n">context</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">table_iter</span><span class="p">)</span> -</span><span id="PythonExecutor-110"><a href="#PythonExecutor-110"><span class="linenos">110</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-111"><a href="#PythonExecutor-111"><span class="linenos">111</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_table</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="PythonExecutor-112"><a href="#PythonExecutor-112"><span class="linenos">112</span></a> -</span><span id="PythonExecutor-113"><a href="#PythonExecutor-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor-114"><a href="#PythonExecutor-114"><span class="linenos">114</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor-115"><a href="#PythonExecutor-115"><span class="linenos">115</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-116"><a href="#PythonExecutor-116"><span class="linenos">116</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-117"><a href="#PythonExecutor-117"><span class="linenos">117</span></a> -</span><span id="PythonExecutor-118"><a href="#PythonExecutor-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">reader</span> <span class="ow">in</span> <span class="n">table_iter</span><span class="p">:</span> -</span><span id="PythonExecutor-119"><a href="#PythonExecutor-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="PythonExecutor-120"><a href="#PythonExecutor-120"><span class="linenos">120</span></a> <span class="k">break</span> -</span><span id="PythonExecutor-121"><a href="#PythonExecutor-121"><span class="linenos">121</span></a> -</span><span id="PythonExecutor-122"><a href="#PythonExecutor-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="PythonExecutor-123"><a href="#PythonExecutor-123"><span class="linenos">123</span></a> <span class="k">continue</span> -</span><span id="PythonExecutor-124"><a href="#PythonExecutor-124"><span class="linenos">124</span></a> -</span><span id="PythonExecutor-125"><a href="#PythonExecutor-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor-126"><a href="#PythonExecutor-126"><span class="linenos">126</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="PythonExecutor-127"><a href="#PythonExecutor-127"><span class="linenos">127</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-128"><a href="#PythonExecutor-128"><span class="linenos">128</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor-129"><a href="#PythonExecutor-129"><span class="linenos">129</span></a> -</span><span id="PythonExecutor-130"><a href="#PythonExecutor-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> -</span><span id="PythonExecutor-131"><a href="#PythonExecutor-131"><span class="linenos">131</span></a> -</span><span id="PythonExecutor-132"><a href="#PythonExecutor-132"><span class="linenos">132</span></a> <span class="k">def</span> <span class="nf">static</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="PythonExecutor-133"><a href="#PythonExecutor-133"><span class="linenos">133</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({}),</span> <span class="p">[</span><span class="n">RowReader</span><span class="p">(())]</span> -</span><span id="PythonExecutor-134"><a href="#PythonExecutor-134"><span class="linenos">134</span></a> -</span><span id="PythonExecutor-135"><a href="#PythonExecutor-135"><span class="linenos">135</span></a> <span class="k">def</span> <span class="nf">scan_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> -</span><span id="PythonExecutor-136"><a href="#PythonExecutor-136"><span class="linenos">136</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">)</span> -</span><span id="PythonExecutor-137"><a href="#PythonExecutor-137"><span class="linenos">137</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="PythonExecutor-138"><a href="#PythonExecutor-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">context</span><span class="p">,</span> <span class="nb">iter</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> -</span><span id="PythonExecutor-139"><a href="#PythonExecutor-139"><span class="linenos">139</span></a> -</span><span id="PythonExecutor-140"><a href="#PythonExecutor-140"><span class="linenos">140</span></a> <span class="k">def</span> <span class="nf">scan_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> -</span><span id="PythonExecutor-141"><a href="#PythonExecutor-141"><span class="linenos">141</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias</span> -</span><span id="PythonExecutor-142"><a href="#PythonExecutor-142"><span class="linenos">142</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span> -</span><span id="PythonExecutor-143"><a href="#PythonExecutor-143"><span class="linenos">143</span></a> -</span><span id="PythonExecutor-144"><a href="#PythonExecutor-144"><span class="linenos">144</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span> -</span><span id="PythonExecutor-145"><a href="#PythonExecutor-145"><span class="linenos">145</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span> -</span><span id="PythonExecutor-146"><a href="#PythonExecutor-146"><span class="linenos">146</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-147"><a href="#PythonExecutor-147"><span class="linenos">147</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">alias</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="PythonExecutor-148"><a href="#PythonExecutor-148"><span class="linenos">148</span></a> <span class="k">yield</span> <span class="n">context</span> -</span><span id="PythonExecutor-149"><a href="#PythonExecutor-149"><span class="linenos">149</span></a> <span class="n">types</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="PythonExecutor-150"><a href="#PythonExecutor-150"><span class="linenos">150</span></a> -</span><span id="PythonExecutor-151"><a href="#PythonExecutor-151"><span class="linenos">151</span></a> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">reader</span><span class="p">:</span> -</span><span id="PythonExecutor-152"><a href="#PythonExecutor-152"><span class="linenos">152</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">types</span><span class="p">:</span> -</span><span id="PythonExecutor-153"><a href="#PythonExecutor-153"><span class="linenos">153</span></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span> -</span><span id="PythonExecutor-154"><a href="#PythonExecutor-154"><span class="linenos">154</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="PythonExecutor-155"><a href="#PythonExecutor-155"><span class="linenos">155</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">ast</span><span class="o">.</span><span class="n">literal_eval</span><span class="p">(</span><span class="n">v</span><span class="p">)))</span> -</span><span id="PythonExecutor-156"><a href="#PythonExecutor-156"><span class="linenos">156</span></a> <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">SyntaxError</span><span class="p">):</span> -</span><span id="PythonExecutor-157"><a href="#PythonExecutor-157"><span class="linenos">157</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> -</span><span id="PythonExecutor-158"><a href="#PythonExecutor-158"><span class="linenos">158</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_row</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">t</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">types</span><span class="p">,</span> <span class="n">row</span><span class="p">)))</span> -</span><span id="PythonExecutor-159"><a href="#PythonExecutor-159"><span class="linenos">159</span></a> <span class="k">yield</span> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">reader</span> -</span><span id="PythonExecutor-160"><a href="#PythonExecutor-160"><span class="linenos">160</span></a> -</span><span id="PythonExecutor-161"><a href="#PythonExecutor-161"><span class="linenos">161</span></a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor-162"><a href="#PythonExecutor-162"><span class="linenos">162</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="PythonExecutor-163"><a href="#PythonExecutor-163"><span class="linenos">163</span></a> -</span><span id="PythonExecutor-164"><a href="#PythonExecutor-164"><span class="linenos">164</span></a> <span class="n">source_table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> -</span><span id="PythonExecutor-165"><a href="#PythonExecutor-165"><span class="linenos">165</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">source</span><span class="p">:</span> <span class="n">source_table</span><span class="p">})</span> -</span><span id="PythonExecutor-166"><a href="#PythonExecutor-166"><span class="linenos">166</span></a> <span class="n">column_ranges</span> <span class="o">=</span> <span class="p">{</span><span class="n">source</span><span class="p">:</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">source_table</span><span class="o">.</span><span class="n">columns</span><span class="p">))}</span> -</span><span id="PythonExecutor-167"><a href="#PythonExecutor-167"><span class="linenos">167</span></a> -</span><span id="PythonExecutor-168"><a href="#PythonExecutor-168"><span class="linenos">168</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="PythonExecutor-169"><a href="#PythonExecutor-169"><span class="linenos">169</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="PythonExecutor-170"><a href="#PythonExecutor-170"><span class="linenos">170</span></a> <span class="n">start</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">stop</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="PythonExecutor-171"><a href="#PythonExecutor-171"><span class="linenos">171</span></a> <span class="n">column_ranges</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">start</span><span class="p">)</span> -</span><span id="PythonExecutor-172"><a href="#PythonExecutor-172"><span class="linenos">172</span></a> <span class="n">join_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="PythonExecutor-173"><a href="#PythonExecutor-173"><span class="linenos">173</span></a> -</span><span id="PythonExecutor-174"><a href="#PythonExecutor-174"><span class="linenos">174</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"source_key"</span><span class="p">):</span> -</span><span id="PythonExecutor-175"><a href="#PythonExecutor-175"><span class="linenos">175</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hash_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> -</span><span id="PythonExecutor-176"><a href="#PythonExecutor-176"><span class="linenos">176</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-177"><a href="#PythonExecutor-177"><span class="linenos">177</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_loop_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> -</span><span id="PythonExecutor-178"><a href="#PythonExecutor-178"><span class="linenos">178</span></a> -</span><span id="PythonExecutor-179"><a href="#PythonExecutor-179"><span class="linenos">179</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor-180"><a href="#PythonExecutor-180"><span class="linenos">180</span></a> <span class="p">{</span> -</span><span id="PythonExecutor-181"><a href="#PythonExecutor-181"><span class="linenos">181</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">column_range</span><span class="p">)</span> -</span><span id="PythonExecutor-182"><a href="#PythonExecutor-182"><span class="linenos">182</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">column_range</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="PythonExecutor-183"><a href="#PythonExecutor-183"><span class="linenos">183</span></a> <span class="p">}</span> -</span><span id="PythonExecutor-184"><a href="#PythonExecutor-184"><span class="linenos">184</span></a> <span class="p">)</span> -</span><span id="PythonExecutor-185"><a href="#PythonExecutor-185"><span class="linenos">185</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"condition"</span><span class="p">])</span> -</span><span id="PythonExecutor-186"><a href="#PythonExecutor-186"><span class="linenos">186</span></a> <span class="k">if</span> <span class="n">condition</span><span class="p">:</span> -</span><span id="PythonExecutor-187"><a href="#PythonExecutor-187"><span class="linenos">187</span></a> <span class="n">source_context</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor-188"><a href="#PythonExecutor-188"><span class="linenos">188</span></a> -</span><span id="PythonExecutor-189"><a href="#PythonExecutor-189"><span class="linenos">189</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor-190"><a href="#PythonExecutor-190"><span class="linenos">190</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor-191"><a href="#PythonExecutor-191"><span class="linenos">191</span></a> -</span><span id="PythonExecutor-192"><a href="#PythonExecutor-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor-193"><a href="#PythonExecutor-193"><span class="linenos">193</span></a> <span class="k">return</span> <span class="n">source_context</span> -</span><span id="PythonExecutor-194"><a href="#PythonExecutor-194"><span class="linenos">194</span></a> -</span><span id="PythonExecutor-195"><a href="#PythonExecutor-195"><span class="linenos">195</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">if</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-98"><a href="#PythonExecutor-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="PythonExecutor-99"><a href="#PythonExecutor-99"><span class="linenos"> 99</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">static</span><span class="p">()</span> +</span><span id="PythonExecutor-100"><a href="#PythonExecutor-100"><span class="linenos">100</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="PythonExecutor-101"><a href="#PythonExecutor-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="PythonExecutor-102"><a href="#PythonExecutor-102"><span class="linenos">102</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]})</span> +</span><span id="PythonExecutor-103"><a href="#PythonExecutor-103"><span class="linenos">103</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">table_iter</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> +</span><span id="PythonExecutor-104"><a href="#PythonExecutor-104"><span class="linenos">104</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span> +</span><span id="PythonExecutor-105"><a href="#PythonExecutor-105"><span class="linenos">105</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_csv</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="PythonExecutor-106"><a href="#PythonExecutor-106"><span class="linenos">106</span></a> <span class="n">context</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">table_iter</span><span class="p">)</span> +</span><span id="PythonExecutor-107"><a href="#PythonExecutor-107"><span class="linenos">107</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor-108"><a href="#PythonExecutor-108"><span class="linenos">108</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_table</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="PythonExecutor-109"><a href="#PythonExecutor-109"><span class="linenos">109</span></a> +</span><span id="PythonExecutor-110"><a href="#PythonExecutor-110"><span class="linenos">110</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_project_and_filter</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">table_iter</span><span class="p">)})</span> +</span><span id="PythonExecutor-111"><a href="#PythonExecutor-111"><span class="linenos">111</span></a> +</span><span id="PythonExecutor-112"><a href="#PythonExecutor-112"><span class="linenos">112</span></a> <span class="k">def</span> <span class="nf">_project_and_filter</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">table_iter</span><span class="p">):</span> +</span><span id="PythonExecutor-113"><a href="#PythonExecutor-113"><span class="linenos">113</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">else</span> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-114"><a href="#PythonExecutor-114"><span class="linenos">114</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> +</span><span id="PythonExecutor-115"><a href="#PythonExecutor-115"><span class="linenos">115</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> +</span><span id="PythonExecutor-116"><a href="#PythonExecutor-116"><span class="linenos">116</span></a> +</span><span id="PythonExecutor-117"><a href="#PythonExecutor-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">reader</span> <span class="ow">in</span> <span class="n">table_iter</span><span class="p">:</span> +</span><span id="PythonExecutor-118"><a href="#PythonExecutor-118"><span class="linenos">118</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> +</span><span id="PythonExecutor-119"><a href="#PythonExecutor-119"><span class="linenos">119</span></a> <span class="k">break</span> +</span><span id="PythonExecutor-120"><a href="#PythonExecutor-120"><span class="linenos">120</span></a> +</span><span id="PythonExecutor-121"><a href="#PythonExecutor-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="PythonExecutor-122"><a href="#PythonExecutor-122"><span class="linenos">122</span></a> <span class="k">continue</span> +</span><span id="PythonExecutor-123"><a href="#PythonExecutor-123"><span class="linenos">123</span></a> +</span><span id="PythonExecutor-124"><a href="#PythonExecutor-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor-125"><a href="#PythonExecutor-125"><span class="linenos">125</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> +</span><span id="PythonExecutor-126"><a href="#PythonExecutor-126"><span class="linenos">126</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor-127"><a href="#PythonExecutor-127"><span class="linenos">127</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor-128"><a href="#PythonExecutor-128"><span class="linenos">128</span></a> +</span><span id="PythonExecutor-129"><a href="#PythonExecutor-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="n">sink</span> +</span><span id="PythonExecutor-130"><a href="#PythonExecutor-130"><span class="linenos">130</span></a> +</span><span id="PythonExecutor-131"><a href="#PythonExecutor-131"><span class="linenos">131</span></a> <span class="k">def</span> <span class="nf">static</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="PythonExecutor-132"><a href="#PythonExecutor-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({}),</span> <span class="p">[</span><span class="n">RowReader</span><span class="p">(())]</span> +</span><span id="PythonExecutor-133"><a href="#PythonExecutor-133"><span class="linenos">133</span></a> +</span><span id="PythonExecutor-134"><a href="#PythonExecutor-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">scan_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> +</span><span id="PythonExecutor-135"><a href="#PythonExecutor-135"><span class="linenos">135</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">)</span> +</span><span id="PythonExecutor-136"><a href="#PythonExecutor-136"><span class="linenos">136</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="PythonExecutor-137"><a href="#PythonExecutor-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="n">context</span><span class="p">,</span> <span class="nb">iter</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> +</span><span id="PythonExecutor-138"><a href="#PythonExecutor-138"><span class="linenos">138</span></a> +</span><span id="PythonExecutor-139"><a href="#PythonExecutor-139"><span class="linenos">139</span></a> <span class="k">def</span> <span class="nf">scan_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> +</span><span id="PythonExecutor-140"><a href="#PythonExecutor-140"><span class="linenos">140</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias</span> +</span><span id="PythonExecutor-141"><a href="#PythonExecutor-141"><span class="linenos">141</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span> +</span><span id="PythonExecutor-142"><a href="#PythonExecutor-142"><span class="linenos">142</span></a> +</span><span id="PythonExecutor-143"><a href="#PythonExecutor-143"><span class="linenos">143</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span> +</span><span id="PythonExecutor-144"><a href="#PythonExecutor-144"><span class="linenos">144</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span> +</span><span id="PythonExecutor-145"><a href="#PythonExecutor-145"><span class="linenos">145</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-146"><a href="#PythonExecutor-146"><span class="linenos">146</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">alias</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="PythonExecutor-147"><a href="#PythonExecutor-147"><span class="linenos">147</span></a> <span class="k">yield</span> <span class="n">context</span> +</span><span id="PythonExecutor-148"><a href="#PythonExecutor-148"><span class="linenos">148</span></a> <span class="n">types</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="PythonExecutor-149"><a href="#PythonExecutor-149"><span class="linenos">149</span></a> +</span><span id="PythonExecutor-150"><a href="#PythonExecutor-150"><span class="linenos">150</span></a> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">reader</span><span class="p">:</span> +</span><span id="PythonExecutor-151"><a href="#PythonExecutor-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">types</span><span class="p">:</span> +</span><span id="PythonExecutor-152"><a href="#PythonExecutor-152"><span class="linenos">152</span></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span> +</span><span id="PythonExecutor-153"><a href="#PythonExecutor-153"><span class="linenos">153</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="PythonExecutor-154"><a href="#PythonExecutor-154"><span class="linenos">154</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">ast</span><span class="o">.</span><span class="n">literal_eval</span><span class="p">(</span><span class="n">v</span><span class="p">)))</span> +</span><span id="PythonExecutor-155"><a href="#PythonExecutor-155"><span class="linenos">155</span></a> <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">SyntaxError</span><span class="p">):</span> +</span><span id="PythonExecutor-156"><a href="#PythonExecutor-156"><span class="linenos">156</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> +</span><span id="PythonExecutor-157"><a href="#PythonExecutor-157"><span class="linenos">157</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_row</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">t</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">types</span><span class="p">,</span> <span class="n">row</span><span class="p">)))</span> +</span><span id="PythonExecutor-158"><a href="#PythonExecutor-158"><span class="linenos">158</span></a> <span class="k">yield</span> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">reader</span> +</span><span id="PythonExecutor-159"><a href="#PythonExecutor-159"><span class="linenos">159</span></a> +</span><span id="PythonExecutor-160"><a href="#PythonExecutor-160"><span class="linenos">160</span></a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor-161"><a href="#PythonExecutor-161"><span class="linenos">161</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="PythonExecutor-162"><a href="#PythonExecutor-162"><span class="linenos">162</span></a> +</span><span id="PythonExecutor-163"><a href="#PythonExecutor-163"><span class="linenos">163</span></a> <span class="n">source_table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> +</span><span id="PythonExecutor-164"><a href="#PythonExecutor-164"><span class="linenos">164</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">source</span><span class="p">:</span> <span class="n">source_table</span><span class="p">})</span> +</span><span id="PythonExecutor-165"><a href="#PythonExecutor-165"><span class="linenos">165</span></a> <span class="n">column_ranges</span> <span class="o">=</span> <span class="p">{</span><span class="n">source</span><span class="p">:</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">source_table</span><span class="o">.</span><span class="n">columns</span><span class="p">))}</span> +</span><span id="PythonExecutor-166"><a href="#PythonExecutor-166"><span class="linenos">166</span></a> +</span><span id="PythonExecutor-167"><a href="#PythonExecutor-167"><span class="linenos">167</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="PythonExecutor-168"><a href="#PythonExecutor-168"><span class="linenos">168</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="PythonExecutor-169"><a href="#PythonExecutor-169"><span class="linenos">169</span></a> <span class="n">start</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">stop</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="PythonExecutor-170"><a href="#PythonExecutor-170"><span class="linenos">170</span></a> <span class="n">column_ranges</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">start</span><span class="p">)</span> +</span><span id="PythonExecutor-171"><a href="#PythonExecutor-171"><span class="linenos">171</span></a> <span class="n">join_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="PythonExecutor-172"><a href="#PythonExecutor-172"><span class="linenos">172</span></a> +</span><span id="PythonExecutor-173"><a href="#PythonExecutor-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"source_key"</span><span class="p">):</span> +</span><span id="PythonExecutor-174"><a href="#PythonExecutor-174"><span class="linenos">174</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hash_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> +</span><span id="PythonExecutor-175"><a href="#PythonExecutor-175"><span class="linenos">175</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor-176"><a href="#PythonExecutor-176"><span class="linenos">176</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_loop_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> +</span><span id="PythonExecutor-177"><a href="#PythonExecutor-177"><span class="linenos">177</span></a> +</span><span id="PythonExecutor-178"><a href="#PythonExecutor-178"><span class="linenos">178</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor-179"><a href="#PythonExecutor-179"><span class="linenos">179</span></a> <span class="p">{</span> +</span><span id="PythonExecutor-180"><a href="#PythonExecutor-180"><span class="linenos">180</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">column_range</span><span class="p">)</span> +</span><span id="PythonExecutor-181"><a href="#PythonExecutor-181"><span class="linenos">181</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">column_range</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="PythonExecutor-182"><a href="#PythonExecutor-182"><span class="linenos">182</span></a> <span class="p">}</span> +</span><span id="PythonExecutor-183"><a href="#PythonExecutor-183"><span class="linenos">183</span></a> <span class="p">)</span> +</span><span id="PythonExecutor-184"><a href="#PythonExecutor-184"><span class="linenos">184</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"condition"</span><span class="p">])</span> +</span><span id="PythonExecutor-185"><a href="#PythonExecutor-185"><span class="linenos">185</span></a> <span class="k">if</span> <span class="n">condition</span><span class="p">:</span> +</span><span id="PythonExecutor-186"><a href="#PythonExecutor-186"><span class="linenos">186</span></a> <span class="n">source_context</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> +</span><span id="PythonExecutor-187"><a href="#PythonExecutor-187"><span class="linenos">187</span></a> +</span><span id="PythonExecutor-188"><a href="#PythonExecutor-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor-189"><a href="#PythonExecutor-189"><span class="linenos">189</span></a> <span class="k">return</span> <span class="n">source_context</span> +</span><span id="PythonExecutor-190"><a href="#PythonExecutor-190"><span class="linenos">190</span></a> +</span><span id="PythonExecutor-191"><a href="#PythonExecutor-191"><span class="linenos">191</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_project_and_filter</span><span class="p">(</span> +</span><span id="PythonExecutor-192"><a href="#PythonExecutor-192"><span class="linenos">192</span></a> <span class="n">source_context</span><span class="p">,</span> +</span><span id="PythonExecutor-193"><a href="#PythonExecutor-193"><span class="linenos">193</span></a> <span class="n">step</span><span class="p">,</span> +</span><span id="PythonExecutor-194"><a href="#PythonExecutor-194"><span class="linenos">194</span></a> <span class="p">(</span><span class="n">reader</span> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">iter</span><span class="p">(</span><span class="n">source_context</span><span class="p">)),</span> +</span><span id="PythonExecutor-195"><a href="#PythonExecutor-195"><span class="linenos">195</span></a> <span class="p">)</span> </span><span id="PythonExecutor-196"><a href="#PythonExecutor-196"><span class="linenos">196</span></a> -</span><span id="PythonExecutor-197"><a href="#PythonExecutor-197"><span class="linenos">197</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="PythonExecutor-198"><a href="#PythonExecutor-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="PythonExecutor-199"><a href="#PythonExecutor-199"><span class="linenos">199</span></a> <span class="k">continue</span> -</span><span id="PythonExecutor-200"><a href="#PythonExecutor-200"><span class="linenos">200</span></a> -</span><span id="PythonExecutor-201"><a href="#PythonExecutor-201"><span class="linenos">201</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor-202"><a href="#PythonExecutor-202"><span class="linenos">202</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="PythonExecutor-203"><a href="#PythonExecutor-203"><span class="linenos">203</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-204"><a href="#PythonExecutor-204"><span class="linenos">204</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor-205"><a href="#PythonExecutor-205"><span class="linenos">205</span></a> -</span><span id="PythonExecutor-206"><a href="#PythonExecutor-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="PythonExecutor-207"><a href="#PythonExecutor-207"><span class="linenos">207</span></a> <span class="k">break</span> -</span><span id="PythonExecutor-208"><a href="#PythonExecutor-208"><span class="linenos">208</span></a> -</span><span id="PythonExecutor-209"><a href="#PythonExecutor-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor-210"><a href="#PythonExecutor-210"><span class="linenos">210</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> -</span><span id="PythonExecutor-211"><a href="#PythonExecutor-211"><span class="linenos">211</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-212"><a href="#PythonExecutor-212"><span class="linenos">212</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor-213"><a href="#PythonExecutor-213"><span class="linenos">213</span></a> <span class="p">{</span> -</span><span id="PythonExecutor-214"><a href="#PythonExecutor-214"><span class="linenos">214</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">column_range</span><span class="p">)</span> -</span><span id="PythonExecutor-215"><a href="#PythonExecutor-215"><span class="linenos">215</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">source_context</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="PythonExecutor-216"><a href="#PythonExecutor-216"><span class="linenos">216</span></a> <span class="p">}</span> -</span><span id="PythonExecutor-217"><a href="#PythonExecutor-217"><span class="linenos">217</span></a> <span class="p">)</span> -</span><span id="PythonExecutor-218"><a href="#PythonExecutor-218"><span class="linenos">218</span></a> -</span><span id="PythonExecutor-219"><a href="#PythonExecutor-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">nested_loop_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> -</span><span id="PythonExecutor-220"><a href="#PythonExecutor-220"><span class="linenos">220</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-197"><a href="#PythonExecutor-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor-198"><a href="#PythonExecutor-198"><span class="linenos">198</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> +</span><span id="PythonExecutor-199"><a href="#PythonExecutor-199"><span class="linenos">199</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor-200"><a href="#PythonExecutor-200"><span class="linenos">200</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor-201"><a href="#PythonExecutor-201"><span class="linenos">201</span></a> <span class="p">{</span> +</span><span id="PythonExecutor-202"><a href="#PythonExecutor-202"><span class="linenos">202</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">column_range</span><span class="p">)</span> +</span><span id="PythonExecutor-203"><a href="#PythonExecutor-203"><span class="linenos">203</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">source_context</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="PythonExecutor-204"><a href="#PythonExecutor-204"><span class="linenos">204</span></a> <span class="p">}</span> +</span><span id="PythonExecutor-205"><a href="#PythonExecutor-205"><span class="linenos">205</span></a> <span class="p">)</span> +</span><span id="PythonExecutor-206"><a href="#PythonExecutor-206"><span class="linenos">206</span></a> +</span><span id="PythonExecutor-207"><a href="#PythonExecutor-207"><span class="linenos">207</span></a> <span class="k">def</span> <span class="nf">nested_loop_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> +</span><span id="PythonExecutor-208"><a href="#PythonExecutor-208"><span class="linenos">208</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-209"><a href="#PythonExecutor-209"><span class="linenos">209</span></a> +</span><span id="PythonExecutor-210"><a href="#PythonExecutor-210"><span class="linenos">210</span></a> <span class="k">for</span> <span class="n">reader_a</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> +</span><span id="PythonExecutor-211"><a href="#PythonExecutor-211"><span class="linenos">211</span></a> <span class="k">for</span> <span class="n">reader_b</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> +</span><span id="PythonExecutor-212"><a href="#PythonExecutor-212"><span class="linenos">212</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader_a</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">reader_b</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor-213"><a href="#PythonExecutor-213"><span class="linenos">213</span></a> +</span><span id="PythonExecutor-214"><a href="#PythonExecutor-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">table</span> +</span><span id="PythonExecutor-215"><a href="#PythonExecutor-215"><span class="linenos">215</span></a> +</span><span id="PythonExecutor-216"><a href="#PythonExecutor-216"><span class="linenos">216</span></a> <span class="k">def</span> <span class="nf">hash_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> +</span><span id="PythonExecutor-217"><a href="#PythonExecutor-217"><span class="linenos">217</span></a> <span class="n">source_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"source_key"</span><span class="p">])</span> +</span><span id="PythonExecutor-218"><a href="#PythonExecutor-218"><span class="linenos">218</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"join_key"</span><span class="p">])</span> +</span><span id="PythonExecutor-219"><a href="#PythonExecutor-219"><span class="linenos">219</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"LEFT"</span> +</span><span id="PythonExecutor-220"><a href="#PythonExecutor-220"><span class="linenos">220</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"RIGHT"</span> </span><span id="PythonExecutor-221"><a href="#PythonExecutor-221"><span class="linenos">221</span></a> -</span><span id="PythonExecutor-222"><a href="#PythonExecutor-222"><span class="linenos">222</span></a> <span class="k">for</span> <span class="n">reader_a</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="PythonExecutor-223"><a href="#PythonExecutor-223"><span class="linenos">223</span></a> <span class="k">for</span> <span class="n">reader_b</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> -</span><span id="PythonExecutor-224"><a href="#PythonExecutor-224"><span class="linenos">224</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader_a</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">reader_b</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor-225"><a href="#PythonExecutor-225"><span class="linenos">225</span></a> -</span><span id="PythonExecutor-226"><a href="#PythonExecutor-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="n">table</span> -</span><span id="PythonExecutor-227"><a href="#PythonExecutor-227"><span class="linenos">227</span></a> -</span><span id="PythonExecutor-228"><a href="#PythonExecutor-228"><span class="linenos">228</span></a> <span class="k">def</span> <span class="nf">hash_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> -</span><span id="PythonExecutor-229"><a href="#PythonExecutor-229"><span class="linenos">229</span></a> <span class="n">source_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"source_key"</span><span class="p">])</span> -</span><span id="PythonExecutor-230"><a href="#PythonExecutor-230"><span class="linenos">230</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"join_key"</span><span class="p">])</span> -</span><span id="PythonExecutor-231"><a href="#PythonExecutor-231"><span class="linenos">231</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"LEFT"</span> -</span><span id="PythonExecutor-232"><a href="#PythonExecutor-232"><span class="linenos">232</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"RIGHT"</span> -</span><span id="PythonExecutor-233"><a href="#PythonExecutor-233"><span class="linenos">233</span></a> -</span><span id="PythonExecutor-234"><a href="#PythonExecutor-234"><span class="linenos">234</span></a> <span class="n">results</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="p">([],</span> <span class="p">[]))</span> -</span><span id="PythonExecutor-235"><a href="#PythonExecutor-235"><span class="linenos">235</span></a> -</span><span id="PythonExecutor-236"><a href="#PythonExecutor-236"><span class="linenos">236</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="PythonExecutor-237"><a href="#PythonExecutor-237"><span class="linenos">237</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">source_key</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor-238"><a href="#PythonExecutor-238"><span class="linenos">238</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> -</span><span id="PythonExecutor-239"><a href="#PythonExecutor-239"><span class="linenos">239</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">join_key</span><span class="p">)][</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor-222"><a href="#PythonExecutor-222"><span class="linenos">222</span></a> <span class="n">results</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="p">([],</span> <span class="p">[]))</span> +</span><span id="PythonExecutor-223"><a href="#PythonExecutor-223"><span class="linenos">223</span></a> +</span><span id="PythonExecutor-224"><a href="#PythonExecutor-224"><span class="linenos">224</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> +</span><span id="PythonExecutor-225"><a href="#PythonExecutor-225"><span class="linenos">225</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">source_key</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor-226"><a href="#PythonExecutor-226"><span class="linenos">226</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> +</span><span id="PythonExecutor-227"><a href="#PythonExecutor-227"><span class="linenos">227</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">join_key</span><span class="p">)][</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor-228"><a href="#PythonExecutor-228"><span class="linenos">228</span></a> +</span><span id="PythonExecutor-229"><a href="#PythonExecutor-229"><span class="linenos">229</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-230"><a href="#PythonExecutor-230"><span class="linenos">230</span></a> <span class="n">nulls</span> <span class="o">=</span> <span class="p">[(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">join_context</span><span class="o">.</span><span class="n">columns</span> <span class="k">if</span> <span class="n">left</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)]</span> +</span><span id="PythonExecutor-231"><a href="#PythonExecutor-231"><span class="linenos">231</span></a> +</span><span id="PythonExecutor-232"><a href="#PythonExecutor-232"><span class="linenos">232</span></a> <span class="k">for</span> <span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span> <span class="ow">in</span> <span class="n">results</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="PythonExecutor-233"><a href="#PythonExecutor-233"><span class="linenos">233</span></a> <span class="k">if</span> <span class="n">left</span><span class="p">:</span> +</span><span id="PythonExecutor-234"><a href="#PythonExecutor-234"><span class="linenos">234</span></a> <span class="n">b_group</span> <span class="o">=</span> <span class="n">b_group</span> <span class="ow">or</span> <span class="n">nulls</span> +</span><span id="PythonExecutor-235"><a href="#PythonExecutor-235"><span class="linenos">235</span></a> <span class="k">elif</span> <span class="n">right</span><span class="p">:</span> +</span><span id="PythonExecutor-236"><a href="#PythonExecutor-236"><span class="linenos">236</span></a> <span class="n">a_group</span> <span class="o">=</span> <span class="n">a_group</span> <span class="ow">or</span> <span class="n">nulls</span> +</span><span id="PythonExecutor-237"><a href="#PythonExecutor-237"><span class="linenos">237</span></a> +</span><span id="PythonExecutor-238"><a href="#PythonExecutor-238"><span class="linenos">238</span></a> <span class="k">for</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">b_row</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">product</span><span class="p">(</span><span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span><span class="p">):</span> +</span><span id="PythonExecutor-239"><a href="#PythonExecutor-239"><span class="linenos">239</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a_row</span> <span class="o">+</span> <span class="n">b_row</span><span class="p">)</span> </span><span id="PythonExecutor-240"><a href="#PythonExecutor-240"><span class="linenos">240</span></a> -</span><span id="PythonExecutor-241"><a href="#PythonExecutor-241"><span class="linenos">241</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-242"><a href="#PythonExecutor-242"><span class="linenos">242</span></a> <span class="n">nulls</span> <span class="o">=</span> <span class="p">[(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">join_context</span><span class="o">.</span><span class="n">columns</span> <span class="k">if</span> <span class="n">left</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)]</span> -</span><span id="PythonExecutor-243"><a href="#PythonExecutor-243"><span class="linenos">243</span></a> -</span><span id="PythonExecutor-244"><a href="#PythonExecutor-244"><span class="linenos">244</span></a> <span class="k">for</span> <span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span> <span class="ow">in</span> <span class="n">results</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> -</span><span id="PythonExecutor-245"><a href="#PythonExecutor-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="n">left</span><span class="p">:</span> -</span><span id="PythonExecutor-246"><a href="#PythonExecutor-246"><span class="linenos">246</span></a> <span class="n">b_group</span> <span class="o">=</span> <span class="n">b_group</span> <span class="ow">or</span> <span class="n">nulls</span> -</span><span id="PythonExecutor-247"><a href="#PythonExecutor-247"><span class="linenos">247</span></a> <span class="k">elif</span> <span class="n">right</span><span class="p">:</span> -</span><span id="PythonExecutor-248"><a href="#PythonExecutor-248"><span class="linenos">248</span></a> <span class="n">a_group</span> <span class="o">=</span> <span class="n">a_group</span> <span class="ow">or</span> <span class="n">nulls</span> -</span><span id="PythonExecutor-249"><a href="#PythonExecutor-249"><span class="linenos">249</span></a> -</span><span id="PythonExecutor-250"><a href="#PythonExecutor-250"><span class="linenos">250</span></a> <span class="k">for</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">b_row</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">product</span><span class="p">(</span><span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span><span class="p">):</span> -</span><span id="PythonExecutor-251"><a href="#PythonExecutor-251"><span class="linenos">251</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a_row</span> <span class="o">+</span> <span class="n">b_row</span><span class="p">)</span> -</span><span id="PythonExecutor-252"><a href="#PythonExecutor-252"><span class="linenos">252</span></a> -</span><span id="PythonExecutor-253"><a href="#PythonExecutor-253"><span class="linenos">253</span></a> <span class="k">return</span> <span class="n">table</span> -</span><span id="PythonExecutor-254"><a href="#PythonExecutor-254"><span class="linenos">254</span></a> -</span><span id="PythonExecutor-255"><a href="#PythonExecutor-255"><span class="linenos">255</span></a> <span class="k">def</span> <span class="nf">aggregate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor-256"><a href="#PythonExecutor-256"><span class="linenos">256</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="PythonExecutor-257"><a href="#PythonExecutor-257"><span class="linenos">257</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> -</span><span id="PythonExecutor-258"><a href="#PythonExecutor-258"><span class="linenos">258</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span> +</span><span id="PythonExecutor-241"><a href="#PythonExecutor-241"><span class="linenos">241</span></a> <span class="k">return</span> <span class="n">table</span> +</span><span id="PythonExecutor-242"><a href="#PythonExecutor-242"><span class="linenos">242</span></a> +</span><span id="PythonExecutor-243"><a href="#PythonExecutor-243"><span class="linenos">243</span></a> <span class="k">def</span> <span class="nf">aggregate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor-244"><a href="#PythonExecutor-244"><span class="linenos">244</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="PythonExecutor-245"><a href="#PythonExecutor-245"><span class="linenos">245</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> +</span><span id="PythonExecutor-246"><a href="#PythonExecutor-246"><span class="linenos">246</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span> +</span><span id="PythonExecutor-247"><a href="#PythonExecutor-247"><span class="linenos">247</span></a> +</span><span id="PythonExecutor-248"><a href="#PythonExecutor-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="n">operands</span><span class="p">:</span> +</span><span id="PythonExecutor-249"><a href="#PythonExecutor-249"><span class="linenos">249</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-250"><a href="#PythonExecutor-250"><span class="linenos">250</span></a> +</span><span id="PythonExecutor-251"><a href="#PythonExecutor-251"><span class="linenos">251</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="PythonExecutor-252"><a href="#PythonExecutor-252"><span class="linenos">252</span></a> <span class="n">operand_table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">operands</span><span class="p">))</span> +</span><span id="PythonExecutor-253"><a href="#PythonExecutor-253"><span class="linenos">253</span></a> +</span><span id="PythonExecutor-254"><a href="#PythonExecutor-254"><span class="linenos">254</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">operand_table</span><span class="o">.</span><span class="n">rows</span><span class="p">)):</span> +</span><span id="PythonExecutor-255"><a href="#PythonExecutor-255"><span class="linenos">255</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span> +</span><span id="PythonExecutor-256"><a href="#PythonExecutor-256"><span class="linenos">256</span></a> +</span><span id="PythonExecutor-257"><a href="#PythonExecutor-257"><span class="linenos">257</span></a> <span class="n">width</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor-258"><a href="#PythonExecutor-258"><span class="linenos">258</span></a> <span class="n">context</span><span class="o">.</span><span class="n">add_columns</span><span class="p">(</span><span class="o">*</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> </span><span id="PythonExecutor-259"><a href="#PythonExecutor-259"><span class="linenos">259</span></a> -</span><span id="PythonExecutor-260"><a href="#PythonExecutor-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">operands</span><span class="p">:</span> -</span><span id="PythonExecutor-261"><a href="#PythonExecutor-261"><span class="linenos">261</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-262"><a href="#PythonExecutor-262"><span class="linenos">262</span></a> -</span><span id="PythonExecutor-263"><a href="#PythonExecutor-263"><span class="linenos">263</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="PythonExecutor-264"><a href="#PythonExecutor-264"><span class="linenos">264</span></a> <span class="n">operand_table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">operands</span><span class="p">))</span> +</span><span id="PythonExecutor-260"><a href="#PythonExecutor-260"><span class="linenos">260</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> +</span><span id="PythonExecutor-261"><a href="#PythonExecutor-261"><span class="linenos">261</span></a> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> +</span><span id="PythonExecutor-262"><a href="#PythonExecutor-262"><span class="linenos">262</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> +</span><span id="PythonExecutor-263"><a href="#PythonExecutor-263"><span class="linenos">263</span></a> <span class="nb">range</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">width</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)),</span> +</span><span id="PythonExecutor-264"><a href="#PythonExecutor-264"><span class="linenos">264</span></a> <span class="p">)</span> </span><span id="PythonExecutor-265"><a href="#PythonExecutor-265"><span class="linenos">265</span></a> -</span><span id="PythonExecutor-266"><a href="#PythonExecutor-266"><span class="linenos">266</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">operand_table</span><span class="o">.</span><span class="n">rows</span><span class="p">)):</span> -</span><span id="PythonExecutor-267"><a href="#PythonExecutor-267"><span class="linenos">267</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span> -</span><span id="PythonExecutor-268"><a href="#PythonExecutor-268"><span class="linenos">268</span></a> -</span><span id="PythonExecutor-269"><a href="#PythonExecutor-269"><span class="linenos">269</span></a> <span class="n">width</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-270"><a href="#PythonExecutor-270"><span class="linenos">270</span></a> <span class="n">context</span><span class="o">.</span><span class="n">add_columns</span><span class="p">(</span><span class="o">*</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-271"><a href="#PythonExecutor-271"><span class="linenos">271</span></a> -</span><span id="PythonExecutor-272"><a href="#PythonExecutor-272"><span class="linenos">272</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> -</span><span id="PythonExecutor-273"><a href="#PythonExecutor-273"><span class="linenos">273</span></a> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> -</span><span id="PythonExecutor-274"><a href="#PythonExecutor-274"><span class="linenos">274</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> -</span><span id="PythonExecutor-275"><a href="#PythonExecutor-275"><span class="linenos">275</span></a> <span class="nb">range</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">width</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)),</span> -</span><span id="PythonExecutor-276"><a href="#PythonExecutor-276"><span class="linenos">276</span></a> <span class="p">)</span> -</span><span id="PythonExecutor-277"><a href="#PythonExecutor-277"><span class="linenos">277</span></a> -</span><span id="PythonExecutor-278"><a href="#PythonExecutor-278"><span class="linenos">278</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor-279"><a href="#PythonExecutor-279"><span class="linenos">279</span></a> <span class="p">{</span> -</span><span id="PythonExecutor-280"><a href="#PythonExecutor-280"><span class="linenos">280</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">operand_table</span><span class="p">,</span> -</span><span id="PythonExecutor-281"><a href="#PythonExecutor-281"><span class="linenos">281</span></a> <span class="o">**</span><span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">,</span> -</span><span id="PythonExecutor-282"><a href="#PythonExecutor-282"><span class="linenos">282</span></a> <span class="p">}</span> -</span><span id="PythonExecutor-283"><a href="#PythonExecutor-283"><span class="linenos">283</span></a> <span class="p">)</span> -</span><span id="PythonExecutor-284"><a href="#PythonExecutor-284"><span class="linenos">284</span></a> -</span><span id="PythonExecutor-285"><a href="#PythonExecutor-285"><span class="linenos">285</span></a> <span class="n">context</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> -</span><span id="PythonExecutor-286"><a href="#PythonExecutor-286"><span class="linenos">286</span></a> -</span><span id="PythonExecutor-287"><a href="#PythonExecutor-287"><span class="linenos">287</span></a> <span class="n">group</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="PythonExecutor-288"><a href="#PythonExecutor-288"><span class="linenos">288</span></a> <span class="n">start</span> <span class="o">=</span> <span class="mi">0</span> -</span><span id="PythonExecutor-289"><a href="#PythonExecutor-289"><span class="linenos">289</span></a> <span class="n">end</span> <span class="o">=</span> <span class="mi">1</span> -</span><span id="PythonExecutor-290"><a href="#PythonExecutor-290"><span class="linenos">290</span></a> <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> -</span><span id="PythonExecutor-291"><a href="#PythonExecutor-291"><span class="linenos">291</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="p">)</span> <span class="o">+</span> <span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> -</span><span id="PythonExecutor-292"><a href="#PythonExecutor-292"><span class="linenos">292</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor-293"><a href="#PythonExecutor-293"><span class="linenos">293</span></a> -</span><span id="PythonExecutor-294"><a href="#PythonExecutor-294"><span class="linenos">294</span></a> <span class="k">def</span> <span class="nf">add_row</span><span class="p">():</span> -</span><span id="PythonExecutor-295"><a href="#PythonExecutor-295"><span class="linenos">295</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">or</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="PythonExecutor-296"><a href="#PythonExecutor-296"><span class="linenos">296</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">group</span> <span class="o">+</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> -</span><span id="PythonExecutor-297"><a href="#PythonExecutor-297"><span class="linenos">297</span></a> -</span><span id="PythonExecutor-298"><a href="#PythonExecutor-298"><span class="linenos">298</span></a> <span class="k">if</span> <span class="n">length</span><span class="p">:</span> -</span><span id="PythonExecutor-299"><a href="#PythonExecutor-299"><span class="linenos">299</span></a> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">length</span><span class="p">):</span> -</span><span id="PythonExecutor-300"><a href="#PythonExecutor-300"><span class="linenos">300</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> -</span><span id="PythonExecutor-301"><a href="#PythonExecutor-301"><span class="linenos">301</span></a> <span class="n">key</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> -</span><span id="PythonExecutor-302"><a href="#PythonExecutor-302"><span class="linenos">302</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> <span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">group</span> -</span><span id="PythonExecutor-303"><a href="#PythonExecutor-303"><span class="linenos">303</span></a> <span class="n">end</span> <span class="o">+=</span> <span class="mi">1</span> -</span><span id="PythonExecutor-304"><a href="#PythonExecutor-304"><span class="linenos">304</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">group</span><span class="p">:</span> -</span><span id="PythonExecutor-305"><a href="#PythonExecutor-305"><span class="linenos">305</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> -</span><span id="PythonExecutor-306"><a href="#PythonExecutor-306"><span class="linenos">306</span></a> <span class="n">add_row</span><span class="p">()</span> -</span><span id="PythonExecutor-307"><a href="#PythonExecutor-307"><span class="linenos">307</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> -</span><span id="PythonExecutor-308"><a href="#PythonExecutor-308"><span class="linenos">308</span></a> <span class="n">start</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span> -</span><span id="PythonExecutor-309"><a href="#PythonExecutor-309"><span class="linenos">309</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="PythonExecutor-310"><a href="#PythonExecutor-310"><span class="linenos">310</span></a> <span class="k">break</span> -</span><span id="PythonExecutor-311"><a href="#PythonExecutor-311"><span class="linenos">311</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="PythonExecutor-312"><a href="#PythonExecutor-312"><span class="linenos">312</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="PythonExecutor-313"><a href="#PythonExecutor-313"><span class="linenos">313</span></a> <span class="n">add_row</span><span class="p">()</span> -</span><span id="PythonExecutor-314"><a href="#PythonExecutor-314"><span class="linenos">314</span></a> <span class="k">elif</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">></span> <span class="mi">0</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">group_by</span><span class="p">:</span> -</span><span id="PythonExecutor-315"><a href="#PythonExecutor-315"><span class="linenos">315</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="PythonExecutor-316"><a href="#PythonExecutor-316"><span class="linenos">316</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> -</span><span id="PythonExecutor-317"><a href="#PythonExecutor-317"><span class="linenos">317</span></a> -</span><span id="PythonExecutor-318"><a href="#PythonExecutor-318"><span class="linenos">318</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">,</span> <span class="o">**</span><span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">}})</span> +</span><span id="PythonExecutor-266"><a href="#PythonExecutor-266"><span class="linenos">266</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor-267"><a href="#PythonExecutor-267"><span class="linenos">267</span></a> <span class="p">{</span> +</span><span id="PythonExecutor-268"><a href="#PythonExecutor-268"><span class="linenos">268</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">operand_table</span><span class="p">,</span> +</span><span id="PythonExecutor-269"><a href="#PythonExecutor-269"><span class="linenos">269</span></a> <span class="o">**</span><span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">,</span> +</span><span id="PythonExecutor-270"><a href="#PythonExecutor-270"><span class="linenos">270</span></a> <span class="p">}</span> +</span><span id="PythonExecutor-271"><a href="#PythonExecutor-271"><span class="linenos">271</span></a> <span class="p">)</span> +</span><span id="PythonExecutor-272"><a href="#PythonExecutor-272"><span class="linenos">272</span></a> +</span><span id="PythonExecutor-273"><a href="#PythonExecutor-273"><span class="linenos">273</span></a> <span class="n">context</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> +</span><span id="PythonExecutor-274"><a href="#PythonExecutor-274"><span class="linenos">274</span></a> +</span><span id="PythonExecutor-275"><a href="#PythonExecutor-275"><span class="linenos">275</span></a> <span class="n">group</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="PythonExecutor-276"><a href="#PythonExecutor-276"><span class="linenos">276</span></a> <span class="n">start</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="PythonExecutor-277"><a href="#PythonExecutor-277"><span class="linenos">277</span></a> <span class="n">end</span> <span class="o">=</span> <span class="mi">1</span> +</span><span id="PythonExecutor-278"><a href="#PythonExecutor-278"><span class="linenos">278</span></a> <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> +</span><span id="PythonExecutor-279"><a href="#PythonExecutor-279"><span class="linenos">279</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="p">)</span> <span class="o">+</span> <span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> +</span><span id="PythonExecutor-280"><a href="#PythonExecutor-280"><span class="linenos">280</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> +</span><span id="PythonExecutor-281"><a href="#PythonExecutor-281"><span class="linenos">281</span></a> +</span><span id="PythonExecutor-282"><a href="#PythonExecutor-282"><span class="linenos">282</span></a> <span class="k">def</span> <span class="nf">add_row</span><span class="p">():</span> +</span><span id="PythonExecutor-283"><a href="#PythonExecutor-283"><span class="linenos">283</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">or</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="PythonExecutor-284"><a href="#PythonExecutor-284"><span class="linenos">284</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">group</span> <span class="o">+</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> +</span><span id="PythonExecutor-285"><a href="#PythonExecutor-285"><span class="linenos">285</span></a> +</span><span id="PythonExecutor-286"><a href="#PythonExecutor-286"><span class="linenos">286</span></a> <span class="k">if</span> <span class="n">length</span><span class="p">:</span> +</span><span id="PythonExecutor-287"><a href="#PythonExecutor-287"><span class="linenos">287</span></a> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">length</span><span class="p">):</span> +</span><span id="PythonExecutor-288"><a href="#PythonExecutor-288"><span class="linenos">288</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> +</span><span id="PythonExecutor-289"><a href="#PythonExecutor-289"><span class="linenos">289</span></a> <span class="n">key</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> +</span><span id="PythonExecutor-290"><a href="#PythonExecutor-290"><span class="linenos">290</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> <span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">group</span> +</span><span id="PythonExecutor-291"><a href="#PythonExecutor-291"><span class="linenos">291</span></a> <span class="n">end</span> <span class="o">+=</span> <span class="mi">1</span> +</span><span id="PythonExecutor-292"><a href="#PythonExecutor-292"><span class="linenos">292</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">group</span><span class="p">:</span> +</span><span id="PythonExecutor-293"><a href="#PythonExecutor-293"><span class="linenos">293</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> +</span><span id="PythonExecutor-294"><a href="#PythonExecutor-294"><span class="linenos">294</span></a> <span class="n">add_row</span><span class="p">()</span> +</span><span id="PythonExecutor-295"><a href="#PythonExecutor-295"><span class="linenos">295</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> +</span><span id="PythonExecutor-296"><a href="#PythonExecutor-296"><span class="linenos">296</span></a> <span class="n">start</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span> +</span><span id="PythonExecutor-297"><a href="#PythonExecutor-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> +</span><span id="PythonExecutor-298"><a href="#PythonExecutor-298"><span class="linenos">298</span></a> <span class="k">break</span> +</span><span id="PythonExecutor-299"><a href="#PythonExecutor-299"><span class="linenos">299</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="PythonExecutor-300"><a href="#PythonExecutor-300"><span class="linenos">300</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="PythonExecutor-301"><a href="#PythonExecutor-301"><span class="linenos">301</span></a> <span class="n">add_row</span><span class="p">()</span> +</span><span id="PythonExecutor-302"><a href="#PythonExecutor-302"><span class="linenos">302</span></a> <span class="k">elif</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">></span> <span class="mi">0</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">group_by</span><span class="p">:</span> +</span><span id="PythonExecutor-303"><a href="#PythonExecutor-303"><span class="linenos">303</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="PythonExecutor-304"><a href="#PythonExecutor-304"><span class="linenos">304</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> +</span><span id="PythonExecutor-305"><a href="#PythonExecutor-305"><span class="linenos">305</span></a> +</span><span id="PythonExecutor-306"><a href="#PythonExecutor-306"><span class="linenos">306</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">,</span> <span class="o">**</span><span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">}})</span> +</span><span id="PythonExecutor-307"><a href="#PythonExecutor-307"><span class="linenos">307</span></a> +</span><span id="PythonExecutor-308"><a href="#PythonExecutor-308"><span class="linenos">308</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor-309"><a href="#PythonExecutor-309"><span class="linenos">309</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan</span><span class="p">(</span><span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">)</span> +</span><span id="PythonExecutor-310"><a href="#PythonExecutor-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="n">context</span> +</span><span id="PythonExecutor-311"><a href="#PythonExecutor-311"><span class="linenos">311</span></a> +</span><span id="PythonExecutor-312"><a href="#PythonExecutor-312"><span class="linenos">312</span></a> <span class="k">def</span> <span class="nf">sort</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor-313"><a href="#PythonExecutor-313"><span class="linenos">313</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> +</span><span id="PythonExecutor-314"><a href="#PythonExecutor-314"><span class="linenos">314</span></a> <span class="n">projection_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">]</span> +</span><span id="PythonExecutor-315"><a href="#PythonExecutor-315"><span class="linenos">315</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">projection_columns</span> +</span><span id="PythonExecutor-316"><a href="#PythonExecutor-316"><span class="linenos">316</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span> +</span><span id="PythonExecutor-317"><a href="#PythonExecutor-317"><span class="linenos">317</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="PythonExecutor-318"><a href="#PythonExecutor-318"><span class="linenos">318</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> </span><span id="PythonExecutor-319"><a href="#PythonExecutor-319"><span class="linenos">319</span></a> -</span><span id="PythonExecutor-320"><a href="#PythonExecutor-320"><span class="linenos">320</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor-321"><a href="#PythonExecutor-321"><span class="linenos">321</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan</span><span class="p">(</span><span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">)</span> -</span><span id="PythonExecutor-322"><a href="#PythonExecutor-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">context</span> -</span><span id="PythonExecutor-323"><a href="#PythonExecutor-323"><span class="linenos">323</span></a> -</span><span id="PythonExecutor-324"><a href="#PythonExecutor-324"><span class="linenos">324</span></a> <span class="k">def</span> <span class="nf">sort</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor-325"><a href="#PythonExecutor-325"><span class="linenos">325</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor-326"><a href="#PythonExecutor-326"><span class="linenos">326</span></a> <span class="n">projection_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">]</span> -</span><span id="PythonExecutor-327"><a href="#PythonExecutor-327"><span class="linenos">327</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">projection_columns</span> -</span><span id="PythonExecutor-328"><a href="#PythonExecutor-328"><span class="linenos">328</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span> -</span><span id="PythonExecutor-329"><a href="#PythonExecutor-329"><span class="linenos">329</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="PythonExecutor-330"><a href="#PythonExecutor-330"><span class="linenos">330</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="PythonExecutor-331"><a href="#PythonExecutor-331"><span class="linenos">331</span></a> -</span><span id="PythonExecutor-332"><a href="#PythonExecutor-332"><span class="linenos">332</span></a> <span class="n">sort_ctx</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor-333"><a href="#PythonExecutor-333"><span class="linenos">333</span></a> <span class="p">{</span> -</span><span id="PythonExecutor-334"><a href="#PythonExecutor-334"><span class="linenos">334</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">sink</span><span class="p">,</span> -</span><span id="PythonExecutor-335"><a href="#PythonExecutor-335"><span class="linenos">335</span></a> <span class="o">**</span><span class="p">{</span><span class="n">table</span><span class="p">:</span> <span class="n">sink</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">},</span> -</span><span id="PythonExecutor-336"><a href="#PythonExecutor-336"><span class="linenos">336</span></a> <span class="p">}</span> -</span><span id="PythonExecutor-337"><a href="#PythonExecutor-337"><span class="linenos">337</span></a> <span class="p">)</span> -</span><span id="PythonExecutor-338"><a href="#PythonExecutor-338"><span class="linenos">338</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">key</span><span class="p">))</span> -</span><span id="PythonExecutor-339"><a href="#PythonExecutor-339"><span class="linenos">339</span></a> -</span><span id="PythonExecutor-340"><a href="#PythonExecutor-340"><span class="linenos">340</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">isinf</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">):</span> -</span><span id="PythonExecutor-341"><a href="#PythonExecutor-341"><span class="linenos">341</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="mi">0</span> <span class="p">:</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">]</span> +</span><span id="PythonExecutor-320"><a href="#PythonExecutor-320"><span class="linenos">320</span></a> <span class="n">sort_ctx</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor-321"><a href="#PythonExecutor-321"><span class="linenos">321</span></a> <span class="p">{</span> +</span><span id="PythonExecutor-322"><a href="#PythonExecutor-322"><span class="linenos">322</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">sink</span><span class="p">,</span> +</span><span id="PythonExecutor-323"><a href="#PythonExecutor-323"><span class="linenos">323</span></a> <span class="o">**</span><span class="p">{</span><span class="n">table</span><span class="p">:</span> <span class="n">sink</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">},</span> +</span><span id="PythonExecutor-324"><a href="#PythonExecutor-324"><span class="linenos">324</span></a> <span class="p">}</span> +</span><span id="PythonExecutor-325"><a href="#PythonExecutor-325"><span class="linenos">325</span></a> <span class="p">)</span> +</span><span id="PythonExecutor-326"><a href="#PythonExecutor-326"><span class="linenos">326</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">key</span><span class="p">))</span> +</span><span id="PythonExecutor-327"><a href="#PythonExecutor-327"><span class="linenos">327</span></a> +</span><span id="PythonExecutor-328"><a href="#PythonExecutor-328"><span class="linenos">328</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">isinf</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">):</span> +</span><span id="PythonExecutor-329"><a href="#PythonExecutor-329"><span class="linenos">329</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="mi">0</span> <span class="p">:</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">]</span> +</span><span id="PythonExecutor-330"><a href="#PythonExecutor-330"><span class="linenos">330</span></a> +</span><span id="PythonExecutor-331"><a href="#PythonExecutor-331"><span class="linenos">331</span></a> <span class="n">output</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> +</span><span id="PythonExecutor-332"><a href="#PythonExecutor-332"><span class="linenos">332</span></a> <span class="n">projection_columns</span><span class="p">,</span> +</span><span id="PythonExecutor-333"><a href="#PythonExecutor-333"><span class="linenos">333</span></a> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="p">:</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">],</span> +</span><span id="PythonExecutor-334"><a href="#PythonExecutor-334"><span class="linenos">334</span></a> <span class="p">)</span> +</span><span id="PythonExecutor-335"><a href="#PythonExecutor-335"><span class="linenos">335</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">output</span><span class="p">})</span> +</span><span id="PythonExecutor-336"><a href="#PythonExecutor-336"><span class="linenos">336</span></a> +</span><span id="PythonExecutor-337"><a href="#PythonExecutor-337"><span class="linenos">337</span></a> <span class="k">def</span> <span class="nf">set_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor-338"><a href="#PythonExecutor-338"><span class="linenos">338</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">left</span><span class="p">]</span> +</span><span id="PythonExecutor-339"><a href="#PythonExecutor-339"><span class="linenos">339</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">right</span><span class="p">]</span> +</span><span id="PythonExecutor-340"><a href="#PythonExecutor-340"><span class="linenos">340</span></a> +</span><span id="PythonExecutor-341"><a href="#PythonExecutor-341"><span class="linenos">341</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> </span><span id="PythonExecutor-342"><a href="#PythonExecutor-342"><span class="linenos">342</span></a> -</span><span id="PythonExecutor-343"><a href="#PythonExecutor-343"><span class="linenos">343</span></a> <span class="n">output</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> -</span><span id="PythonExecutor-344"><a href="#PythonExecutor-344"><span class="linenos">344</span></a> <span class="n">projection_columns</span><span class="p">,</span> -</span><span id="PythonExecutor-345"><a href="#PythonExecutor-345"><span class="linenos">345</span></a> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="p">:</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">],</span> -</span><span id="PythonExecutor-346"><a href="#PythonExecutor-346"><span class="linenos">346</span></a> <span class="p">)</span> -</span><span id="PythonExecutor-347"><a href="#PythonExecutor-347"><span class="linenos">347</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">output</span><span class="p">})</span> -</span><span id="PythonExecutor-348"><a href="#PythonExecutor-348"><span class="linenos">348</span></a> -</span><span id="PythonExecutor-349"><a href="#PythonExecutor-349"><span class="linenos">349</span></a> <span class="k">def</span> <span class="nf">set_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor-350"><a href="#PythonExecutor-350"><span class="linenos">350</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">left</span><span class="p">]</span> -</span><span id="PythonExecutor-351"><a href="#PythonExecutor-351"><span class="linenos">351</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">right</span><span class="p">]</span> -</span><span id="PythonExecutor-352"><a href="#PythonExecutor-352"><span class="linenos">352</span></a> -</span><span id="PythonExecutor-353"><a href="#PythonExecutor-353"><span class="linenos">353</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor-354"><a href="#PythonExecutor-354"><span class="linenos">354</span></a> -</span><span id="PythonExecutor-355"><a href="#PythonExecutor-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Intersect</span><span class="p">):</span> -</span><span id="PythonExecutor-356"><a href="#PythonExecutor-356"><span class="linenos">356</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="PythonExecutor-357"><a href="#PythonExecutor-357"><span class="linenos">357</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Except</span><span class="p">):</span> -</span><span id="PythonExecutor-358"><a href="#PythonExecutor-358"><span class="linenos">358</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="PythonExecutor-359"><a href="#PythonExecutor-359"><span class="linenos">359</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">)</span> <span class="ow">and</span> <span class="n">step</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> -</span><span id="PythonExecutor-360"><a href="#PythonExecutor-360"><span class="linenos">360</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="PythonExecutor-361"><a href="#PythonExecutor-361"><span class="linenos">361</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor-362"><a href="#PythonExecutor-362"><span class="linenos">362</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">rows</span> <span class="o">+</span> <span class="n">right</span><span class="o">.</span><span class="n">rows</span> -</span><span id="PythonExecutor-363"><a href="#PythonExecutor-363"><span class="linenos">363</span></a> -</span><span id="PythonExecutor-364"><a href="#PythonExecutor-364"><span class="linenos">364</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> +</span><span id="PythonExecutor-343"><a href="#PythonExecutor-343"><span class="linenos">343</span></a> <span class="k">if</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Intersect</span><span class="p">):</span> +</span><span id="PythonExecutor-344"><a href="#PythonExecutor-344"><span class="linenos">344</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="PythonExecutor-345"><a href="#PythonExecutor-345"><span class="linenos">345</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Except</span><span class="p">):</span> +</span><span id="PythonExecutor-346"><a href="#PythonExecutor-346"><span class="linenos">346</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="PythonExecutor-347"><a href="#PythonExecutor-347"><span class="linenos">347</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">)</span> <span class="ow">and</span> <span class="n">step</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> +</span><span id="PythonExecutor-348"><a href="#PythonExecutor-348"><span class="linenos">348</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="PythonExecutor-349"><a href="#PythonExecutor-349"><span class="linenos">349</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor-350"><a href="#PythonExecutor-350"><span class="linenos">350</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">rows</span> <span class="o">+</span> <span class="n">right</span><span class="o">.</span><span class="n">rows</span> +</span><span id="PythonExecutor-351"><a href="#PythonExecutor-351"><span class="linenos">351</span></a> +</span><span id="PythonExecutor-352"><a href="#PythonExecutor-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> </span></pre></div> @@ -1120,39 +1096,19 @@ </span><span id="PythonExecutor.scan-95"><a href="#PythonExecutor.scan-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">):</span> </span><span id="PythonExecutor.scan-96"><a href="#PythonExecutor.scan-96"><span class="linenos"> 96</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">name</span> <span class="ow">or</span> <span class="n">source</span><span class="o">.</span><span class="n">alias</span> </span><span id="PythonExecutor.scan-97"><a href="#PythonExecutor.scan-97"><span class="linenos"> 97</span></a> -</span><span id="PythonExecutor.scan-98"><a href="#PythonExecutor.scan-98"><span class="linenos"> 98</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-99"><a href="#PythonExecutor.scan-99"><span class="linenos"> 99</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-100"><a href="#PythonExecutor.scan-100"><span class="linenos">100</span></a> -</span><span id="PythonExecutor.scan-101"><a href="#PythonExecutor.scan-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-102"><a href="#PythonExecutor.scan-102"><span class="linenos">102</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">static</span><span class="p">()</span> -</span><span id="PythonExecutor.scan-103"><a href="#PythonExecutor.scan-103"><span class="linenos">103</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-104"><a href="#PythonExecutor.scan-104"><span class="linenos">104</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">projections</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">condition</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-105"><a href="#PythonExecutor.scan-105"><span class="linenos">105</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]})</span> -</span><span id="PythonExecutor.scan-106"><a href="#PythonExecutor.scan-106"><span class="linenos">106</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">table_iter</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-107"><a href="#PythonExecutor.scan-107"><span class="linenos">107</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span> -</span><span id="PythonExecutor.scan-108"><a href="#PythonExecutor.scan-108"><span class="linenos">108</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_csv</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-109"><a href="#PythonExecutor.scan-109"><span class="linenos">109</span></a> <span class="n">context</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">table_iter</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-110"><a href="#PythonExecutor.scan-110"><span class="linenos">110</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-111"><a href="#PythonExecutor.scan-111"><span class="linenos">111</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_table</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-112"><a href="#PythonExecutor.scan-112"><span class="linenos">112</span></a> -</span><span id="PythonExecutor.scan-113"><a href="#PythonExecutor.scan-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-114"><a href="#PythonExecutor.scan-114"><span class="linenos">114</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-115"><a href="#PythonExecutor.scan-115"><span class="linenos">115</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-116"><a href="#PythonExecutor.scan-116"><span class="linenos">116</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-117"><a href="#PythonExecutor.scan-117"><span class="linenos">117</span></a> -</span><span id="PythonExecutor.scan-118"><a href="#PythonExecutor.scan-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">reader</span> <span class="ow">in</span> <span class="n">table_iter</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-119"><a href="#PythonExecutor.scan-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-120"><a href="#PythonExecutor.scan-120"><span class="linenos">120</span></a> <span class="k">break</span> -</span><span id="PythonExecutor.scan-121"><a href="#PythonExecutor.scan-121"><span class="linenos">121</span></a> -</span><span id="PythonExecutor.scan-122"><a href="#PythonExecutor.scan-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="PythonExecutor.scan-123"><a href="#PythonExecutor.scan-123"><span class="linenos">123</span></a> <span class="k">continue</span> -</span><span id="PythonExecutor.scan-124"><a href="#PythonExecutor.scan-124"><span class="linenos">124</span></a> -</span><span id="PythonExecutor.scan-125"><a href="#PythonExecutor.scan-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-126"><a href="#PythonExecutor.scan-126"><span class="linenos">126</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="PythonExecutor.scan-127"><a href="#PythonExecutor.scan-127"><span class="linenos">127</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.scan-128"><a href="#PythonExecutor.scan-128"><span class="linenos">128</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor.scan-129"><a href="#PythonExecutor.scan-129"><span class="linenos">129</span></a> -</span><span id="PythonExecutor.scan-130"><a href="#PythonExecutor.scan-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> +</span><span id="PythonExecutor.scan-98"><a href="#PythonExecutor.scan-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="n">source</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="PythonExecutor.scan-99"><a href="#PythonExecutor.scan-99"><span class="linenos"> 99</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">static</span><span class="p">()</span> +</span><span id="PythonExecutor.scan-100"><a href="#PythonExecutor.scan-100"><span class="linenos">100</span></a> <span class="k">elif</span> <span class="n">source</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="PythonExecutor.scan-101"><a href="#PythonExecutor.scan-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">:</span> +</span><span id="PythonExecutor.scan-102"><a href="#PythonExecutor.scan-102"><span class="linenos">102</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]})</span> +</span><span id="PythonExecutor.scan-103"><a href="#PythonExecutor.scan-103"><span class="linenos">103</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">table_iter</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> +</span><span id="PythonExecutor.scan-104"><a href="#PythonExecutor.scan-104"><span class="linenos">104</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">ReadCSV</span><span class="p">):</span> +</span><span id="PythonExecutor.scan-105"><a href="#PythonExecutor.scan-105"><span class="linenos">105</span></a> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_csv</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="PythonExecutor.scan-106"><a href="#PythonExecutor.scan-106"><span class="linenos">106</span></a> <span class="n">context</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">table_iter</span><span class="p">)</span> +</span><span id="PythonExecutor.scan-107"><a href="#PythonExecutor.scan-107"><span class="linenos">107</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor.scan-108"><a href="#PythonExecutor.scan-108"><span class="linenos">108</span></a> <span class="n">context</span><span class="p">,</span> <span class="n">table_iter</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan_table</span><span class="p">(</span><span class="n">step</span><span class="p">)</span> +</span><span id="PythonExecutor.scan-109"><a href="#PythonExecutor.scan-109"><span class="linenos">109</span></a> +</span><span id="PythonExecutor.scan-110"><a href="#PythonExecutor.scan-110"><span class="linenos">110</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_project_and_filter</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">table_iter</span><span class="p">)})</span> </span></pre></div> @@ -1170,8 +1126,8 @@ </div> <a class="headerlink" href="#PythonExecutor.static"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.static-132"><a href="#PythonExecutor.static-132"><span class="linenos">132</span></a> <span class="k">def</span> <span class="nf">static</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="PythonExecutor.static-133"><a href="#PythonExecutor.static-133"><span class="linenos">133</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({}),</span> <span class="p">[</span><span class="n">RowReader</span><span class="p">(())]</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.static-131"><a href="#PythonExecutor.static-131"><span class="linenos">131</span></a> <span class="k">def</span> <span class="nf">static</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="PythonExecutor.static-132"><a href="#PythonExecutor.static-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({}),</span> <span class="p">[</span><span class="n">RowReader</span><span class="p">(())]</span> </span></pre></div> @@ -1189,10 +1145,10 @@ </div> <a class="headerlink" href="#PythonExecutor.scan_table"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.scan_table-135"><a href="#PythonExecutor.scan_table-135"><span class="linenos">135</span></a> <span class="k">def</span> <span class="nf">scan_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> -</span><span id="PythonExecutor.scan_table-136"><a href="#PythonExecutor.scan_table-136"><span class="linenos">136</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">)</span> -</span><span id="PythonExecutor.scan_table-137"><a href="#PythonExecutor.scan_table-137"><span class="linenos">137</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="PythonExecutor.scan_table-138"><a href="#PythonExecutor.scan_table-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">context</span><span class="p">,</span> <span class="nb">iter</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.scan_table-134"><a href="#PythonExecutor.scan_table-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">scan_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> +</span><span id="PythonExecutor.scan_table-135"><a href="#PythonExecutor.scan_table-135"><span class="linenos">135</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="p">)</span> +</span><span id="PythonExecutor.scan_table-136"><a href="#PythonExecutor.scan_table-136"><span class="linenos">136</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="PythonExecutor.scan_table-137"><a href="#PythonExecutor.scan_table-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="n">context</span><span class="p">,</span> <span class="nb">iter</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> </span></pre></div> @@ -1210,26 +1166,26 @@ </div> <a class="headerlink" href="#PythonExecutor.scan_csv"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.scan_csv-140"><a href="#PythonExecutor.scan_csv-140"><span class="linenos">140</span></a> <span class="k">def</span> <span class="nf">scan_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> -</span><span id="PythonExecutor.scan_csv-141"><a href="#PythonExecutor.scan_csv-141"><span class="linenos">141</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias</span> -</span><span id="PythonExecutor.scan_csv-142"><a href="#PythonExecutor.scan_csv-142"><span class="linenos">142</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span> -</span><span id="PythonExecutor.scan_csv-143"><a href="#PythonExecutor.scan_csv-143"><span class="linenos">143</span></a> -</span><span id="PythonExecutor.scan_csv-144"><a href="#PythonExecutor.scan_csv-144"><span class="linenos">144</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span> -</span><span id="PythonExecutor.scan_csv-145"><a href="#PythonExecutor.scan_csv-145"><span class="linenos">145</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span> -</span><span id="PythonExecutor.scan_csv-146"><a href="#PythonExecutor.scan_csv-146"><span class="linenos">146</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.scan_csv-147"><a href="#PythonExecutor.scan_csv-147"><span class="linenos">147</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">alias</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="PythonExecutor.scan_csv-148"><a href="#PythonExecutor.scan_csv-148"><span class="linenos">148</span></a> <span class="k">yield</span> <span class="n">context</span> -</span><span id="PythonExecutor.scan_csv-149"><a href="#PythonExecutor.scan_csv-149"><span class="linenos">149</span></a> <span class="n">types</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="PythonExecutor.scan_csv-150"><a href="#PythonExecutor.scan_csv-150"><span class="linenos">150</span></a> -</span><span id="PythonExecutor.scan_csv-151"><a href="#PythonExecutor.scan_csv-151"><span class="linenos">151</span></a> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">reader</span><span class="p">:</span> -</span><span id="PythonExecutor.scan_csv-152"><a href="#PythonExecutor.scan_csv-152"><span class="linenos">152</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">types</span><span class="p">:</span> -</span><span id="PythonExecutor.scan_csv-153"><a href="#PythonExecutor.scan_csv-153"><span class="linenos">153</span></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span> -</span><span id="PythonExecutor.scan_csv-154"><a href="#PythonExecutor.scan_csv-154"><span class="linenos">154</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="PythonExecutor.scan_csv-155"><a href="#PythonExecutor.scan_csv-155"><span class="linenos">155</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">ast</span><span class="o">.</span><span class="n">literal_eval</span><span class="p">(</span><span class="n">v</span><span class="p">)))</span> -</span><span id="PythonExecutor.scan_csv-156"><a href="#PythonExecutor.scan_csv-156"><span class="linenos">156</span></a> <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">SyntaxError</span><span class="p">):</span> -</span><span id="PythonExecutor.scan_csv-157"><a href="#PythonExecutor.scan_csv-157"><span class="linenos">157</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> -</span><span id="PythonExecutor.scan_csv-158"><a href="#PythonExecutor.scan_csv-158"><span class="linenos">158</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_row</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">t</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">types</span><span class="p">,</span> <span class="n">row</span><span class="p">)))</span> -</span><span id="PythonExecutor.scan_csv-159"><a href="#PythonExecutor.scan_csv-159"><span class="linenos">159</span></a> <span class="k">yield</span> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">reader</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.scan_csv-139"><a href="#PythonExecutor.scan_csv-139"><span class="linenos">139</span></a> <span class="k">def</span> <span class="nf">scan_csv</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span> +</span><span id="PythonExecutor.scan_csv-140"><a href="#PythonExecutor.scan_csv-140"><span class="linenos">140</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">alias</span> +</span><span id="PythonExecutor.scan_csv-141"><a href="#PythonExecutor.scan_csv-141"><span class="linenos">141</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">this</span> +</span><span id="PythonExecutor.scan_csv-142"><a href="#PythonExecutor.scan_csv-142"><span class="linenos">142</span></a> +</span><span id="PythonExecutor.scan_csv-143"><a href="#PythonExecutor.scan_csv-143"><span class="linenos">143</span></a> <span class="k">with</span> <span class="n">csv_reader</span><span class="p">(</span><span class="n">source</span><span class="p">)</span> <span class="k">as</span> <span class="n">reader</span><span class="p">:</span> +</span><span id="PythonExecutor.scan_csv-144"><a href="#PythonExecutor.scan_csv-144"><span class="linenos">144</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">reader</span><span class="p">)</span> +</span><span id="PythonExecutor.scan_csv-145"><a href="#PythonExecutor.scan_csv-145"><span class="linenos">145</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor.scan_csv-146"><a href="#PythonExecutor.scan_csv-146"><span class="linenos">146</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">alias</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="PythonExecutor.scan_csv-147"><a href="#PythonExecutor.scan_csv-147"><span class="linenos">147</span></a> <span class="k">yield</span> <span class="n">context</span> +</span><span id="PythonExecutor.scan_csv-148"><a href="#PythonExecutor.scan_csv-148"><span class="linenos">148</span></a> <span class="n">types</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="PythonExecutor.scan_csv-149"><a href="#PythonExecutor.scan_csv-149"><span class="linenos">149</span></a> +</span><span id="PythonExecutor.scan_csv-150"><a href="#PythonExecutor.scan_csv-150"><span class="linenos">150</span></a> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">reader</span><span class="p">:</span> +</span><span id="PythonExecutor.scan_csv-151"><a href="#PythonExecutor.scan_csv-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">types</span><span class="p">:</span> +</span><span id="PythonExecutor.scan_csv-152"><a href="#PythonExecutor.scan_csv-152"><span class="linenos">152</span></a> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span> +</span><span id="PythonExecutor.scan_csv-153"><a href="#PythonExecutor.scan_csv-153"><span class="linenos">153</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="PythonExecutor.scan_csv-154"><a href="#PythonExecutor.scan_csv-154"><span class="linenos">154</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="n">ast</span><span class="o">.</span><span class="n">literal_eval</span><span class="p">(</span><span class="n">v</span><span class="p">)))</span> +</span><span id="PythonExecutor.scan_csv-155"><a href="#PythonExecutor.scan_csv-155"><span class="linenos">155</span></a> <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="ne">SyntaxError</span><span class="p">):</span> +</span><span id="PythonExecutor.scan_csv-156"><a href="#PythonExecutor.scan_csv-156"><span class="linenos">156</span></a> <span class="n">types</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> +</span><span id="PythonExecutor.scan_csv-157"><a href="#PythonExecutor.scan_csv-157"><span class="linenos">157</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_row</span><span class="p">(</span><span class="nb">tuple</span><span class="p">(</span><span class="n">t</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="k">for</span> <span class="n">t</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">types</span><span class="p">,</span> <span class="n">row</span><span class="p">)))</span> +</span><span id="PythonExecutor.scan_csv-158"><a href="#PythonExecutor.scan_csv-158"><span class="linenos">158</span></a> <span class="k">yield</span> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">reader</span> </span></pre></div> @@ -1247,63 +1203,52 @@ </div> <a class="headerlink" href="#PythonExecutor.join"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.join-161"><a href="#PythonExecutor.join-161"><span class="linenos">161</span></a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor.join-162"><a href="#PythonExecutor.join-162"><span class="linenos">162</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> -</span><span id="PythonExecutor.join-163"><a href="#PythonExecutor.join-163"><span class="linenos">163</span></a> -</span><span id="PythonExecutor.join-164"><a href="#PythonExecutor.join-164"><span class="linenos">164</span></a> <span class="n">source_table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> -</span><span id="PythonExecutor.join-165"><a href="#PythonExecutor.join-165"><span class="linenos">165</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">source</span><span class="p">:</span> <span class="n">source_table</span><span class="p">})</span> -</span><span id="PythonExecutor.join-166"><a href="#PythonExecutor.join-166"><span class="linenos">166</span></a> <span class="n">column_ranges</span> <span class="o">=</span> <span class="p">{</span><span class="n">source</span><span class="p">:</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">source_table</span><span class="o">.</span><span class="n">columns</span><span class="p">))}</span> -</span><span id="PythonExecutor.join-167"><a href="#PythonExecutor.join-167"><span class="linenos">167</span></a> -</span><span id="PythonExecutor.join-168"><a href="#PythonExecutor.join-168"><span class="linenos">168</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="PythonExecutor.join-169"><a href="#PythonExecutor.join-169"><span class="linenos">169</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="PythonExecutor.join-170"><a href="#PythonExecutor.join-170"><span class="linenos">170</span></a> <span class="n">start</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">stop</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="PythonExecutor.join-171"><a href="#PythonExecutor.join-171"><span class="linenos">171</span></a> <span class="n">column_ranges</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">start</span><span class="p">)</span> -</span><span id="PythonExecutor.join-172"><a href="#PythonExecutor.join-172"><span class="linenos">172</span></a> <span class="n">join_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> -</span><span id="PythonExecutor.join-173"><a href="#PythonExecutor.join-173"><span class="linenos">173</span></a> -</span><span id="PythonExecutor.join-174"><a href="#PythonExecutor.join-174"><span class="linenos">174</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"source_key"</span><span class="p">):</span> -</span><span id="PythonExecutor.join-175"><a href="#PythonExecutor.join-175"><span class="linenos">175</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hash_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> -</span><span id="PythonExecutor.join-176"><a href="#PythonExecutor.join-176"><span class="linenos">176</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.join-177"><a href="#PythonExecutor.join-177"><span class="linenos">177</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_loop_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> -</span><span id="PythonExecutor.join-178"><a href="#PythonExecutor.join-178"><span class="linenos">178</span></a> -</span><span id="PythonExecutor.join-179"><a href="#PythonExecutor.join-179"><span class="linenos">179</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor.join-180"><a href="#PythonExecutor.join-180"><span class="linenos">180</span></a> <span class="p">{</span> -</span><span id="PythonExecutor.join-181"><a href="#PythonExecutor.join-181"><span class="linenos">181</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">column_range</span><span class="p">)</span> -</span><span id="PythonExecutor.join-182"><a href="#PythonExecutor.join-182"><span class="linenos">182</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">column_range</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="PythonExecutor.join-183"><a href="#PythonExecutor.join-183"><span class="linenos">183</span></a> <span class="p">}</span> -</span><span id="PythonExecutor.join-184"><a href="#PythonExecutor.join-184"><span class="linenos">184</span></a> <span class="p">)</span> -</span><span id="PythonExecutor.join-185"><a href="#PythonExecutor.join-185"><span class="linenos">185</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"condition"</span><span class="p">])</span> -</span><span id="PythonExecutor.join-186"><a href="#PythonExecutor.join-186"><span class="linenos">186</span></a> <span class="k">if</span> <span class="n">condition</span><span class="p">:</span> -</span><span id="PythonExecutor.join-187"><a href="#PythonExecutor.join-187"><span class="linenos">187</span></a> <span class="n">source_context</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor.join-188"><a href="#PythonExecutor.join-188"><span class="linenos">188</span></a> -</span><span id="PythonExecutor.join-189"><a href="#PythonExecutor.join-189"><span class="linenos">189</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor.join-190"><a href="#PythonExecutor.join-190"><span class="linenos">190</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor.join-191"><a href="#PythonExecutor.join-191"><span class="linenos">191</span></a> -</span><span id="PythonExecutor.join-192"><a href="#PythonExecutor.join-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor.join-193"><a href="#PythonExecutor.join-193"><span class="linenos">193</span></a> <span class="k">return</span> <span class="n">source_context</span> -</span><span id="PythonExecutor.join-194"><a href="#PythonExecutor.join-194"><span class="linenos">194</span></a> -</span><span id="PythonExecutor.join-195"><a href="#PythonExecutor.join-195"><span class="linenos">195</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span> <span class="k">if</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.join-160"><a href="#PythonExecutor.join-160"><span class="linenos">160</span></a> <span class="k">def</span> <span class="nf">join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor.join-161"><a href="#PythonExecutor.join-161"><span class="linenos">161</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">step</span><span class="o">.</span><span class="n">name</span> +</span><span id="PythonExecutor.join-162"><a href="#PythonExecutor.join-162"><span class="linenos">162</span></a> +</span><span id="PythonExecutor.join-163"><a href="#PythonExecutor.join-163"><span class="linenos">163</span></a> <span class="n">source_table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">source</span><span class="p">]</span> +</span><span id="PythonExecutor.join-164"><a href="#PythonExecutor.join-164"><span class="linenos">164</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">source</span><span class="p">:</span> <span class="n">source_table</span><span class="p">})</span> +</span><span id="PythonExecutor.join-165"><a href="#PythonExecutor.join-165"><span class="linenos">165</span></a> <span class="n">column_ranges</span> <span class="o">=</span> <span class="p">{</span><span class="n">source</span><span class="p">:</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">source_table</span><span class="o">.</span><span class="n">columns</span><span class="p">))}</span> +</span><span id="PythonExecutor.join-166"><a href="#PythonExecutor.join-166"><span class="linenos">166</span></a> +</span><span id="PythonExecutor.join-167"><a href="#PythonExecutor.join-167"><span class="linenos">167</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">joins</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="PythonExecutor.join-168"><a href="#PythonExecutor.join-168"><span class="linenos">168</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="PythonExecutor.join-169"><a href="#PythonExecutor.join-169"><span class="linenos">169</span></a> <span class="n">start</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">stop</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="PythonExecutor.join-170"><a href="#PythonExecutor.join-170"><span class="linenos">170</span></a> <span class="n">column_ranges</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">start</span><span class="p">)</span> +</span><span id="PythonExecutor.join-171"><a href="#PythonExecutor.join-171"><span class="linenos">171</span></a> <span class="n">join_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">})</span> +</span><span id="PythonExecutor.join-172"><a href="#PythonExecutor.join-172"><span class="linenos">172</span></a> +</span><span id="PythonExecutor.join-173"><a href="#PythonExecutor.join-173"><span class="linenos">173</span></a> <span class="k">if</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"source_key"</span><span class="p">):</span> +</span><span id="PythonExecutor.join-174"><a href="#PythonExecutor.join-174"><span class="linenos">174</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">hash_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> +</span><span id="PythonExecutor.join-175"><a href="#PythonExecutor.join-175"><span class="linenos">175</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor.join-176"><a href="#PythonExecutor.join-176"><span class="linenos">176</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_loop_join</span><span class="p">(</span><span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">)</span> +</span><span id="PythonExecutor.join-177"><a href="#PythonExecutor.join-177"><span class="linenos">177</span></a> +</span><span id="PythonExecutor.join-178"><a href="#PythonExecutor.join-178"><span class="linenos">178</span></a> <span class="n">source_context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor.join-179"><a href="#PythonExecutor.join-179"><span class="linenos">179</span></a> <span class="p">{</span> +</span><span id="PythonExecutor.join-180"><a href="#PythonExecutor.join-180"><span class="linenos">180</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">column_range</span><span class="p">)</span> +</span><span id="PythonExecutor.join-181"><a href="#PythonExecutor.join-181"><span class="linenos">181</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">column_range</span> <span class="ow">in</span> <span class="n">column_ranges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="PythonExecutor.join-182"><a href="#PythonExecutor.join-182"><span class="linenos">182</span></a> <span class="p">}</span> +</span><span id="PythonExecutor.join-183"><a href="#PythonExecutor.join-183"><span class="linenos">183</span></a> <span class="p">)</span> +</span><span id="PythonExecutor.join-184"><a href="#PythonExecutor.join-184"><span class="linenos">184</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"condition"</span><span class="p">])</span> +</span><span id="PythonExecutor.join-185"><a href="#PythonExecutor.join-185"><span class="linenos">185</span></a> <span class="k">if</span> <span class="n">condition</span><span class="p">:</span> +</span><span id="PythonExecutor.join-186"><a href="#PythonExecutor.join-186"><span class="linenos">186</span></a> <span class="n">source_context</span><span class="o">.</span><span class="n">filter</span><span class="p">(</span><span class="n">condition</span><span class="p">)</span> +</span><span id="PythonExecutor.join-187"><a href="#PythonExecutor.join-187"><span class="linenos">187</span></a> +</span><span id="PythonExecutor.join-188"><a href="#PythonExecutor.join-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor.join-189"><a href="#PythonExecutor.join-189"><span class="linenos">189</span></a> <span class="k">return</span> <span class="n">source_context</span> +</span><span id="PythonExecutor.join-190"><a href="#PythonExecutor.join-190"><span class="linenos">190</span></a> +</span><span id="PythonExecutor.join-191"><a href="#PythonExecutor.join-191"><span class="linenos">191</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_project_and_filter</span><span class="p">(</span> +</span><span id="PythonExecutor.join-192"><a href="#PythonExecutor.join-192"><span class="linenos">192</span></a> <span class="n">source_context</span><span class="p">,</span> +</span><span id="PythonExecutor.join-193"><a href="#PythonExecutor.join-193"><span class="linenos">193</span></a> <span class="n">step</span><span class="p">,</span> +</span><span id="PythonExecutor.join-194"><a href="#PythonExecutor.join-194"><span class="linenos">194</span></a> <span class="p">(</span><span class="n">reader</span> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">iter</span><span class="p">(</span><span class="n">source_context</span><span class="p">)),</span> +</span><span id="PythonExecutor.join-195"><a href="#PythonExecutor.join-195"><span class="linenos">195</span></a> <span class="p">)</span> </span><span id="PythonExecutor.join-196"><a href="#PythonExecutor.join-196"><span class="linenos">196</span></a> -</span><span id="PythonExecutor.join-197"><a href="#PythonExecutor.join-197"><span class="linenos">197</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="PythonExecutor.join-198"><a href="#PythonExecutor.join-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="n">condition</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="PythonExecutor.join-199"><a href="#PythonExecutor.join-199"><span class="linenos">199</span></a> <span class="k">continue</span> -</span><span id="PythonExecutor.join-200"><a href="#PythonExecutor.join-200"><span class="linenos">200</span></a> -</span><span id="PythonExecutor.join-201"><a href="#PythonExecutor.join-201"><span class="linenos">201</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor.join-202"><a href="#PythonExecutor.join-202"><span class="linenos">202</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="PythonExecutor.join-203"><a href="#PythonExecutor.join-203"><span class="linenos">203</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.join-204"><a href="#PythonExecutor.join-204"><span class="linenos">204</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor.join-205"><a href="#PythonExecutor.join-205"><span class="linenos">205</span></a> -</span><span id="PythonExecutor.join-206"><a href="#PythonExecutor.join-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sink</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="PythonExecutor.join-207"><a href="#PythonExecutor.join-207"><span class="linenos">207</span></a> <span class="k">break</span> -</span><span id="PythonExecutor.join-208"><a href="#PythonExecutor.join-208"><span class="linenos">208</span></a> -</span><span id="PythonExecutor.join-209"><a href="#PythonExecutor.join-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor.join-210"><a href="#PythonExecutor.join-210"><span class="linenos">210</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> -</span><span id="PythonExecutor.join-211"><a href="#PythonExecutor.join-211"><span class="linenos">211</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.join-212"><a href="#PythonExecutor.join-212"><span class="linenos">212</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor.join-213"><a href="#PythonExecutor.join-213"><span class="linenos">213</span></a> <span class="p">{</span> -</span><span id="PythonExecutor.join-214"><a href="#PythonExecutor.join-214"><span class="linenos">214</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">column_range</span><span class="p">)</span> -</span><span id="PythonExecutor.join-215"><a href="#PythonExecutor.join-215"><span class="linenos">215</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">source_context</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="PythonExecutor.join-216"><a href="#PythonExecutor.join-216"><span class="linenos">216</span></a> <span class="p">}</span> -</span><span id="PythonExecutor.join-217"><a href="#PythonExecutor.join-217"><span class="linenos">217</span></a> <span class="p">)</span> +</span><span id="PythonExecutor.join-197"><a href="#PythonExecutor.join-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor.join-198"><a href="#PythonExecutor.join-198"><span class="linenos">198</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> +</span><span id="PythonExecutor.join-199"><a href="#PythonExecutor.join-199"><span class="linenos">199</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor.join-200"><a href="#PythonExecutor.join-200"><span class="linenos">200</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor.join-201"><a href="#PythonExecutor.join-201"><span class="linenos">201</span></a> <span class="p">{</span> +</span><span id="PythonExecutor.join-202"><a href="#PythonExecutor.join-202"><span class="linenos">202</span></a> <span class="n">name</span><span class="p">:</span> <span class="n">Table</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">table</span><span class="o">.</span><span class="n">column_range</span><span class="p">)</span> +</span><span id="PythonExecutor.join-203"><a href="#PythonExecutor.join-203"><span class="linenos">203</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">source_context</span><span class="o">.</span><span class="n">tables</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="PythonExecutor.join-204"><a href="#PythonExecutor.join-204"><span class="linenos">204</span></a> <span class="p">}</span> +</span><span id="PythonExecutor.join-205"><a href="#PythonExecutor.join-205"><span class="linenos">205</span></a> <span class="p">)</span> </span></pre></div> @@ -1321,14 +1266,14 @@ </div> <a class="headerlink" href="#PythonExecutor.nested_loop_join"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.nested_loop_join-219"><a href="#PythonExecutor.nested_loop_join-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">nested_loop_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> -</span><span id="PythonExecutor.nested_loop_join-220"><a href="#PythonExecutor.nested_loop_join-220"><span class="linenos">220</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.nested_loop_join-221"><a href="#PythonExecutor.nested_loop_join-221"><span class="linenos">221</span></a> -</span><span id="PythonExecutor.nested_loop_join-222"><a href="#PythonExecutor.nested_loop_join-222"><span class="linenos">222</span></a> <span class="k">for</span> <span class="n">reader_a</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="PythonExecutor.nested_loop_join-223"><a href="#PythonExecutor.nested_loop_join-223"><span class="linenos">223</span></a> <span class="k">for</span> <span class="n">reader_b</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> -</span><span id="PythonExecutor.nested_loop_join-224"><a href="#PythonExecutor.nested_loop_join-224"><span class="linenos">224</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader_a</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">reader_b</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor.nested_loop_join-225"><a href="#PythonExecutor.nested_loop_join-225"><span class="linenos">225</span></a> -</span><span id="PythonExecutor.nested_loop_join-226"><a href="#PythonExecutor.nested_loop_join-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="n">table</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.nested_loop_join-207"><a href="#PythonExecutor.nested_loop_join-207"><span class="linenos">207</span></a> <span class="k">def</span> <span class="nf">nested_loop_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> +</span><span id="PythonExecutor.nested_loop_join-208"><a href="#PythonExecutor.nested_loop_join-208"><span class="linenos">208</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor.nested_loop_join-209"><a href="#PythonExecutor.nested_loop_join-209"><span class="linenos">209</span></a> +</span><span id="PythonExecutor.nested_loop_join-210"><a href="#PythonExecutor.nested_loop_join-210"><span class="linenos">210</span></a> <span class="k">for</span> <span class="n">reader_a</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> +</span><span id="PythonExecutor.nested_loop_join-211"><a href="#PythonExecutor.nested_loop_join-211"><span class="linenos">211</span></a> <span class="k">for</span> <span class="n">reader_b</span><span class="p">,</span> <span class="n">_</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> +</span><span id="PythonExecutor.nested_loop_join-212"><a href="#PythonExecutor.nested_loop_join-212"><span class="linenos">212</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader_a</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">reader_b</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor.nested_loop_join-213"><a href="#PythonExecutor.nested_loop_join-213"><span class="linenos">213</span></a> +</span><span id="PythonExecutor.nested_loop_join-214"><a href="#PythonExecutor.nested_loop_join-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">table</span> </span></pre></div> @@ -1346,32 +1291,32 @@ </div> <a class="headerlink" href="#PythonExecutor.hash_join"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.hash_join-228"><a href="#PythonExecutor.hash_join-228"><span class="linenos">228</span></a> <span class="k">def</span> <span class="nf">hash_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> -</span><span id="PythonExecutor.hash_join-229"><a href="#PythonExecutor.hash_join-229"><span class="linenos">229</span></a> <span class="n">source_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"source_key"</span><span class="p">])</span> -</span><span id="PythonExecutor.hash_join-230"><a href="#PythonExecutor.hash_join-230"><span class="linenos">230</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"join_key"</span><span class="p">])</span> -</span><span id="PythonExecutor.hash_join-231"><a href="#PythonExecutor.hash_join-231"><span class="linenos">231</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"LEFT"</span> -</span><span id="PythonExecutor.hash_join-232"><a href="#PythonExecutor.hash_join-232"><span class="linenos">232</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"RIGHT"</span> -</span><span id="PythonExecutor.hash_join-233"><a href="#PythonExecutor.hash_join-233"><span class="linenos">233</span></a> -</span><span id="PythonExecutor.hash_join-234"><a href="#PythonExecutor.hash_join-234"><span class="linenos">234</span></a> <span class="n">results</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="p">([],</span> <span class="p">[]))</span> -</span><span id="PythonExecutor.hash_join-235"><a href="#PythonExecutor.hash_join-235"><span class="linenos">235</span></a> -</span><span id="PythonExecutor.hash_join-236"><a href="#PythonExecutor.hash_join-236"><span class="linenos">236</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> -</span><span id="PythonExecutor.hash_join-237"><a href="#PythonExecutor.hash_join-237"><span class="linenos">237</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">source_key</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> -</span><span id="PythonExecutor.hash_join-238"><a href="#PythonExecutor.hash_join-238"><span class="linenos">238</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> -</span><span id="PythonExecutor.hash_join-239"><a href="#PythonExecutor.hash_join-239"><span class="linenos">239</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">join_key</span><span class="p">)][</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.hash_join-216"><a href="#PythonExecutor.hash_join-216"><span class="linenos">216</span></a> <span class="k">def</span> <span class="nf">hash_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">source_context</span><span class="p">,</span> <span class="n">join_context</span><span class="p">):</span> +</span><span id="PythonExecutor.hash_join-217"><a href="#PythonExecutor.hash_join-217"><span class="linenos">217</span></a> <span class="n">source_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"source_key"</span><span class="p">])</span> +</span><span id="PythonExecutor.hash_join-218"><a href="#PythonExecutor.hash_join-218"><span class="linenos">218</span></a> <span class="n">join_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">join</span><span class="p">[</span><span class="s2">"join_key"</span><span class="p">])</span> +</span><span id="PythonExecutor.hash_join-219"><a href="#PythonExecutor.hash_join-219"><span class="linenos">219</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"LEFT"</span> +</span><span id="PythonExecutor.hash_join-220"><a href="#PythonExecutor.hash_join-220"><span class="linenos">220</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"side"</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"RIGHT"</span> +</span><span id="PythonExecutor.hash_join-221"><a href="#PythonExecutor.hash_join-221"><span class="linenos">221</span></a> +</span><span id="PythonExecutor.hash_join-222"><a href="#PythonExecutor.hash_join-222"><span class="linenos">222</span></a> <span class="n">results</span> <span class="o">=</span> <span class="n">collections</span><span class="o">.</span><span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="p">([],</span> <span class="p">[]))</span> +</span><span id="PythonExecutor.hash_join-223"><a href="#PythonExecutor.hash_join-223"><span class="linenos">223</span></a> +</span><span id="PythonExecutor.hash_join-224"><a href="#PythonExecutor.hash_join-224"><span class="linenos">224</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">source_context</span><span class="p">:</span> +</span><span id="PythonExecutor.hash_join-225"><a href="#PythonExecutor.hash_join-225"><span class="linenos">225</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">source_key</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor.hash_join-226"><a href="#PythonExecutor.hash_join-226"><span class="linenos">226</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">join_context</span><span class="p">:</span> +</span><span id="PythonExecutor.hash_join-227"><a href="#PythonExecutor.hash_join-227"><span class="linenos">227</span></a> <span class="n">results</span><span class="p">[</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">join_key</span><span class="p">)][</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span><span class="p">)</span> +</span><span id="PythonExecutor.hash_join-228"><a href="#PythonExecutor.hash_join-228"><span class="linenos">228</span></a> +</span><span id="PythonExecutor.hash_join-229"><a href="#PythonExecutor.hash_join-229"><span class="linenos">229</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor.hash_join-230"><a href="#PythonExecutor.hash_join-230"><span class="linenos">230</span></a> <span class="n">nulls</span> <span class="o">=</span> <span class="p">[(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">join_context</span><span class="o">.</span><span class="n">columns</span> <span class="k">if</span> <span class="n">left</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)]</span> +</span><span id="PythonExecutor.hash_join-231"><a href="#PythonExecutor.hash_join-231"><span class="linenos">231</span></a> +</span><span id="PythonExecutor.hash_join-232"><a href="#PythonExecutor.hash_join-232"><span class="linenos">232</span></a> <span class="k">for</span> <span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span> <span class="ow">in</span> <span class="n">results</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="PythonExecutor.hash_join-233"><a href="#PythonExecutor.hash_join-233"><span class="linenos">233</span></a> <span class="k">if</span> <span class="n">left</span><span class="p">:</span> +</span><span id="PythonExecutor.hash_join-234"><a href="#PythonExecutor.hash_join-234"><span class="linenos">234</span></a> <span class="n">b_group</span> <span class="o">=</span> <span class="n">b_group</span> <span class="ow">or</span> <span class="n">nulls</span> +</span><span id="PythonExecutor.hash_join-235"><a href="#PythonExecutor.hash_join-235"><span class="linenos">235</span></a> <span class="k">elif</span> <span class="n">right</span><span class="p">:</span> +</span><span id="PythonExecutor.hash_join-236"><a href="#PythonExecutor.hash_join-236"><span class="linenos">236</span></a> <span class="n">a_group</span> <span class="o">=</span> <span class="n">a_group</span> <span class="ow">or</span> <span class="n">nulls</span> +</span><span id="PythonExecutor.hash_join-237"><a href="#PythonExecutor.hash_join-237"><span class="linenos">237</span></a> +</span><span id="PythonExecutor.hash_join-238"><a href="#PythonExecutor.hash_join-238"><span class="linenos">238</span></a> <span class="k">for</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">b_row</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">product</span><span class="p">(</span><span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span><span class="p">):</span> +</span><span id="PythonExecutor.hash_join-239"><a href="#PythonExecutor.hash_join-239"><span class="linenos">239</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a_row</span> <span class="o">+</span> <span class="n">b_row</span><span class="p">)</span> </span><span id="PythonExecutor.hash_join-240"><a href="#PythonExecutor.hash_join-240"><span class="linenos">240</span></a> -</span><span id="PythonExecutor.hash_join-241"><a href="#PythonExecutor.hash_join-241"><span class="linenos">241</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="n">source_context</span><span class="o">.</span><span class="n">columns</span> <span class="o">+</span> <span class="n">join_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.hash_join-242"><a href="#PythonExecutor.hash_join-242"><span class="linenos">242</span></a> <span class="n">nulls</span> <span class="o">=</span> <span class="p">[(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">join_context</span><span class="o">.</span><span class="n">columns</span> <span class="k">if</span> <span class="n">left</span> <span class="k">else</span> <span class="n">source_context</span><span class="o">.</span><span class="n">columns</span><span class="p">)]</span> -</span><span id="PythonExecutor.hash_join-243"><a href="#PythonExecutor.hash_join-243"><span class="linenos">243</span></a> -</span><span id="PythonExecutor.hash_join-244"><a href="#PythonExecutor.hash_join-244"><span class="linenos">244</span></a> <span class="k">for</span> <span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span> <span class="ow">in</span> <span class="n">results</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> -</span><span id="PythonExecutor.hash_join-245"><a href="#PythonExecutor.hash_join-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="n">left</span><span class="p">:</span> -</span><span id="PythonExecutor.hash_join-246"><a href="#PythonExecutor.hash_join-246"><span class="linenos">246</span></a> <span class="n">b_group</span> <span class="o">=</span> <span class="n">b_group</span> <span class="ow">or</span> <span class="n">nulls</span> -</span><span id="PythonExecutor.hash_join-247"><a href="#PythonExecutor.hash_join-247"><span class="linenos">247</span></a> <span class="k">elif</span> <span class="n">right</span><span class="p">:</span> -</span><span id="PythonExecutor.hash_join-248"><a href="#PythonExecutor.hash_join-248"><span class="linenos">248</span></a> <span class="n">a_group</span> <span class="o">=</span> <span class="n">a_group</span> <span class="ow">or</span> <span class="n">nulls</span> -</span><span id="PythonExecutor.hash_join-249"><a href="#PythonExecutor.hash_join-249"><span class="linenos">249</span></a> -</span><span id="PythonExecutor.hash_join-250"><a href="#PythonExecutor.hash_join-250"><span class="linenos">250</span></a> <span class="k">for</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">b_row</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">product</span><span class="p">(</span><span class="n">a_group</span><span class="p">,</span> <span class="n">b_group</span><span class="p">):</span> -</span><span id="PythonExecutor.hash_join-251"><a href="#PythonExecutor.hash_join-251"><span class="linenos">251</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a_row</span> <span class="o">+</span> <span class="n">b_row</span><span class="p">)</span> -</span><span id="PythonExecutor.hash_join-252"><a href="#PythonExecutor.hash_join-252"><span class="linenos">252</span></a> -</span><span id="PythonExecutor.hash_join-253"><a href="#PythonExecutor.hash_join-253"><span class="linenos">253</span></a> <span class="k">return</span> <span class="n">table</span> +</span><span id="PythonExecutor.hash_join-241"><a href="#PythonExecutor.hash_join-241"><span class="linenos">241</span></a> <span class="k">return</span> <span class="n">table</span> </span></pre></div> @@ -1389,74 +1334,74 @@ </div> <a class="headerlink" href="#PythonExecutor.aggregate"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.aggregate-255"><a href="#PythonExecutor.aggregate-255"><span class="linenos">255</span></a> <span class="k">def</span> <span class="nf">aggregate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor.aggregate-256"><a href="#PythonExecutor.aggregate-256"><span class="linenos">256</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> -</span><span id="PythonExecutor.aggregate-257"><a href="#PythonExecutor.aggregate-257"><span class="linenos">257</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-258"><a href="#PythonExecutor.aggregate-258"><span class="linenos">258</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.aggregate-243"><a href="#PythonExecutor.aggregate-243"><span class="linenos">243</span></a> <span class="k">def</span> <span class="nf">aggregate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor.aggregate-244"><a href="#PythonExecutor.aggregate-244"><span class="linenos">244</span></a> <span class="n">group_by</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="PythonExecutor.aggregate-245"><a href="#PythonExecutor.aggregate-245"><span class="linenos">245</span></a> <span class="n">aggregations</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-246"><a href="#PythonExecutor.aggregate-246"><span class="linenos">246</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-247"><a href="#PythonExecutor.aggregate-247"><span class="linenos">247</span></a> +</span><span id="PythonExecutor.aggregate-248"><a href="#PythonExecutor.aggregate-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="n">operands</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-249"><a href="#PythonExecutor.aggregate-249"><span class="linenos">249</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-250"><a href="#PythonExecutor.aggregate-250"><span class="linenos">250</span></a> +</span><span id="PythonExecutor.aggregate-251"><a href="#PythonExecutor.aggregate-251"><span class="linenos">251</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-252"><a href="#PythonExecutor.aggregate-252"><span class="linenos">252</span></a> <span class="n">operand_table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">operands</span><span class="p">))</span> +</span><span id="PythonExecutor.aggregate-253"><a href="#PythonExecutor.aggregate-253"><span class="linenos">253</span></a> +</span><span id="PythonExecutor.aggregate-254"><a href="#PythonExecutor.aggregate-254"><span class="linenos">254</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">operand_table</span><span class="o">.</span><span class="n">rows</span><span class="p">)):</span> +</span><span id="PythonExecutor.aggregate-255"><a href="#PythonExecutor.aggregate-255"><span class="linenos">255</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span> +</span><span id="PythonExecutor.aggregate-256"><a href="#PythonExecutor.aggregate-256"><span class="linenos">256</span></a> +</span><span id="PythonExecutor.aggregate-257"><a href="#PythonExecutor.aggregate-257"><span class="linenos">257</span></a> <span class="n">width</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-258"><a href="#PythonExecutor.aggregate-258"><span class="linenos">258</span></a> <span class="n">context</span><span class="o">.</span><span class="n">add_columns</span><span class="p">(</span><span class="o">*</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> </span><span id="PythonExecutor.aggregate-259"><a href="#PythonExecutor.aggregate-259"><span class="linenos">259</span></a> -</span><span id="PythonExecutor.aggregate-260"><a href="#PythonExecutor.aggregate-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">operands</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-261"><a href="#PythonExecutor.aggregate-261"><span class="linenos">261</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">operands</span><span class="p">)</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-262"><a href="#PythonExecutor.aggregate-262"><span class="linenos">262</span></a> -</span><span id="PythonExecutor.aggregate-263"><a href="#PythonExecutor.aggregate-263"><span class="linenos">263</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-264"><a href="#PythonExecutor.aggregate-264"><span class="linenos">264</span></a> <span class="n">operand_table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">operands</span><span class="p">))</span> +</span><span id="PythonExecutor.aggregate-260"><a href="#PythonExecutor.aggregate-260"><span class="linenos">260</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> +</span><span id="PythonExecutor.aggregate-261"><a href="#PythonExecutor.aggregate-261"><span class="linenos">261</span></a> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> +</span><span id="PythonExecutor.aggregate-262"><a href="#PythonExecutor.aggregate-262"><span class="linenos">262</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> +</span><span id="PythonExecutor.aggregate-263"><a href="#PythonExecutor.aggregate-263"><span class="linenos">263</span></a> <span class="nb">range</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">width</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)),</span> +</span><span id="PythonExecutor.aggregate-264"><a href="#PythonExecutor.aggregate-264"><span class="linenos">264</span></a> <span class="p">)</span> </span><span id="PythonExecutor.aggregate-265"><a href="#PythonExecutor.aggregate-265"><span class="linenos">265</span></a> -</span><span id="PythonExecutor.aggregate-266"><a href="#PythonExecutor.aggregate-266"><span class="linenos">266</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> <span class="n">operand_table</span><span class="o">.</span><span class="n">rows</span><span class="p">)):</span> -</span><span id="PythonExecutor.aggregate-267"><a href="#PythonExecutor.aggregate-267"><span class="linenos">267</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span> -</span><span id="PythonExecutor.aggregate-268"><a href="#PythonExecutor.aggregate-268"><span class="linenos">268</span></a> -</span><span id="PythonExecutor.aggregate-269"><a href="#PythonExecutor.aggregate-269"><span class="linenos">269</span></a> <span class="n">width</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-270"><a href="#PythonExecutor.aggregate-270"><span class="linenos">270</span></a> <span class="n">context</span><span class="o">.</span><span class="n">add_columns</span><span class="p">(</span><span class="o">*</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-271"><a href="#PythonExecutor.aggregate-271"><span class="linenos">271</span></a> -</span><span id="PythonExecutor.aggregate-272"><a href="#PythonExecutor.aggregate-272"><span class="linenos">272</span></a> <span class="n">operand_table</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> -</span><span id="PythonExecutor.aggregate-273"><a href="#PythonExecutor.aggregate-273"><span class="linenos">273</span></a> <span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">,</span> -</span><span id="PythonExecutor.aggregate-274"><a href="#PythonExecutor.aggregate-274"><span class="linenos">274</span></a> <span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">,</span> -</span><span id="PythonExecutor.aggregate-275"><a href="#PythonExecutor.aggregate-275"><span class="linenos">275</span></a> <span class="nb">range</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">width</span> <span class="o">+</span> <span class="nb">len</span><span class="p">(</span><span class="n">operand_table</span><span class="o">.</span><span class="n">columns</span><span class="p">)),</span> -</span><span id="PythonExecutor.aggregate-276"><a href="#PythonExecutor.aggregate-276"><span class="linenos">276</span></a> <span class="p">)</span> -</span><span id="PythonExecutor.aggregate-277"><a href="#PythonExecutor.aggregate-277"><span class="linenos">277</span></a> -</span><span id="PythonExecutor.aggregate-278"><a href="#PythonExecutor.aggregate-278"><span class="linenos">278</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor.aggregate-279"><a href="#PythonExecutor.aggregate-279"><span class="linenos">279</span></a> <span class="p">{</span> -</span><span id="PythonExecutor.aggregate-280"><a href="#PythonExecutor.aggregate-280"><span class="linenos">280</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">operand_table</span><span class="p">,</span> -</span><span id="PythonExecutor.aggregate-281"><a href="#PythonExecutor.aggregate-281"><span class="linenos">281</span></a> <span class="o">**</span><span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">,</span> -</span><span id="PythonExecutor.aggregate-282"><a href="#PythonExecutor.aggregate-282"><span class="linenos">282</span></a> <span class="p">}</span> -</span><span id="PythonExecutor.aggregate-283"><a href="#PythonExecutor.aggregate-283"><span class="linenos">283</span></a> <span class="p">)</span> -</span><span id="PythonExecutor.aggregate-284"><a href="#PythonExecutor.aggregate-284"><span class="linenos">284</span></a> -</span><span id="PythonExecutor.aggregate-285"><a href="#PythonExecutor.aggregate-285"><span class="linenos">285</span></a> <span class="n">context</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-286"><a href="#PythonExecutor.aggregate-286"><span class="linenos">286</span></a> -</span><span id="PythonExecutor.aggregate-287"><a href="#PythonExecutor.aggregate-287"><span class="linenos">287</span></a> <span class="n">group</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="PythonExecutor.aggregate-288"><a href="#PythonExecutor.aggregate-288"><span class="linenos">288</span></a> <span class="n">start</span> <span class="o">=</span> <span class="mi">0</span> -</span><span id="PythonExecutor.aggregate-289"><a href="#PythonExecutor.aggregate-289"><span class="linenos">289</span></a> <span class="n">end</span> <span class="o">=</span> <span class="mi">1</span> -</span><span id="PythonExecutor.aggregate-290"><a href="#PythonExecutor.aggregate-290"><span class="linenos">290</span></a> <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-291"><a href="#PythonExecutor.aggregate-291"><span class="linenos">291</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="p">)</span> <span class="o">+</span> <span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-292"><a href="#PythonExecutor.aggregate-292"><span class="linenos">292</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-293"><a href="#PythonExecutor.aggregate-293"><span class="linenos">293</span></a> -</span><span id="PythonExecutor.aggregate-294"><a href="#PythonExecutor.aggregate-294"><span class="linenos">294</span></a> <span class="k">def</span> <span class="nf">add_row</span><span class="p">():</span> -</span><span id="PythonExecutor.aggregate-295"><a href="#PythonExecutor.aggregate-295"><span class="linenos">295</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">or</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="PythonExecutor.aggregate-296"><a href="#PythonExecutor.aggregate-296"><span class="linenos">296</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">group</span> <span class="o">+</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> -</span><span id="PythonExecutor.aggregate-297"><a href="#PythonExecutor.aggregate-297"><span class="linenos">297</span></a> -</span><span id="PythonExecutor.aggregate-298"><a href="#PythonExecutor.aggregate-298"><span class="linenos">298</span></a> <span class="k">if</span> <span class="n">length</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-299"><a href="#PythonExecutor.aggregate-299"><span class="linenos">299</span></a> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">length</span><span class="p">):</span> -</span><span id="PythonExecutor.aggregate-300"><a href="#PythonExecutor.aggregate-300"><span class="linenos">300</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-301"><a href="#PythonExecutor.aggregate-301"><span class="linenos">301</span></a> <span class="n">key</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-302"><a href="#PythonExecutor.aggregate-302"><span class="linenos">302</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> <span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">group</span> -</span><span id="PythonExecutor.aggregate-303"><a href="#PythonExecutor.aggregate-303"><span class="linenos">303</span></a> <span class="n">end</span> <span class="o">+=</span> <span class="mi">1</span> -</span><span id="PythonExecutor.aggregate-304"><a href="#PythonExecutor.aggregate-304"><span class="linenos">304</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">group</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-305"><a href="#PythonExecutor.aggregate-305"><span class="linenos">305</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-306"><a href="#PythonExecutor.aggregate-306"><span class="linenos">306</span></a> <span class="n">add_row</span><span class="p">()</span> -</span><span id="PythonExecutor.aggregate-307"><a href="#PythonExecutor.aggregate-307"><span class="linenos">307</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> -</span><span id="PythonExecutor.aggregate-308"><a href="#PythonExecutor.aggregate-308"><span class="linenos">308</span></a> <span class="n">start</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span> -</span><span id="PythonExecutor.aggregate-309"><a href="#PythonExecutor.aggregate-309"><span class="linenos">309</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-310"><a href="#PythonExecutor.aggregate-310"><span class="linenos">310</span></a> <span class="k">break</span> -</span><span id="PythonExecutor.aggregate-311"><a href="#PythonExecutor.aggregate-311"><span class="linenos">311</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-312"><a href="#PythonExecutor.aggregate-312"><span class="linenos">312</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-313"><a href="#PythonExecutor.aggregate-313"><span class="linenos">313</span></a> <span class="n">add_row</span><span class="p">()</span> -</span><span id="PythonExecutor.aggregate-314"><a href="#PythonExecutor.aggregate-314"><span class="linenos">314</span></a> <span class="k">elif</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">></span> <span class="mi">0</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">group_by</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-315"><a href="#PythonExecutor.aggregate-315"><span class="linenos">315</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-316"><a href="#PythonExecutor.aggregate-316"><span class="linenos">316</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> -</span><span id="PythonExecutor.aggregate-317"><a href="#PythonExecutor.aggregate-317"><span class="linenos">317</span></a> -</span><span id="PythonExecutor.aggregate-318"><a href="#PythonExecutor.aggregate-318"><span class="linenos">318</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">,</span> <span class="o">**</span><span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">}})</span> -</span><span id="PythonExecutor.aggregate-319"><a href="#PythonExecutor.aggregate-319"><span class="linenos">319</span></a> -</span><span id="PythonExecutor.aggregate-320"><a href="#PythonExecutor.aggregate-320"><span class="linenos">320</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> -</span><span id="PythonExecutor.aggregate-321"><a href="#PythonExecutor.aggregate-321"><span class="linenos">321</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan</span><span class="p">(</span><span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">)</span> -</span><span id="PythonExecutor.aggregate-322"><a href="#PythonExecutor.aggregate-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">context</span> +</span><span id="PythonExecutor.aggregate-266"><a href="#PythonExecutor.aggregate-266"><span class="linenos">266</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor.aggregate-267"><a href="#PythonExecutor.aggregate-267"><span class="linenos">267</span></a> <span class="p">{</span> +</span><span id="PythonExecutor.aggregate-268"><a href="#PythonExecutor.aggregate-268"><span class="linenos">268</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">operand_table</span><span class="p">,</span> +</span><span id="PythonExecutor.aggregate-269"><a href="#PythonExecutor.aggregate-269"><span class="linenos">269</span></a> <span class="o">**</span><span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">,</span> +</span><span id="PythonExecutor.aggregate-270"><a href="#PythonExecutor.aggregate-270"><span class="linenos">270</span></a> <span class="p">}</span> +</span><span id="PythonExecutor.aggregate-271"><a href="#PythonExecutor.aggregate-271"><span class="linenos">271</span></a> <span class="p">)</span> +</span><span id="PythonExecutor.aggregate-272"><a href="#PythonExecutor.aggregate-272"><span class="linenos">272</span></a> +</span><span id="PythonExecutor.aggregate-273"><a href="#PythonExecutor.aggregate-273"><span class="linenos">273</span></a> <span class="n">context</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-274"><a href="#PythonExecutor.aggregate-274"><span class="linenos">274</span></a> +</span><span id="PythonExecutor.aggregate-275"><a href="#PythonExecutor.aggregate-275"><span class="linenos">275</span></a> <span class="n">group</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="PythonExecutor.aggregate-276"><a href="#PythonExecutor.aggregate-276"><span class="linenos">276</span></a> <span class="n">start</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="PythonExecutor.aggregate-277"><a href="#PythonExecutor.aggregate-277"><span class="linenos">277</span></a> <span class="n">end</span> <span class="o">=</span> <span class="mi">1</span> +</span><span id="PythonExecutor.aggregate-278"><a href="#PythonExecutor.aggregate-278"><span class="linenos">278</span></a> <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">table</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-279"><a href="#PythonExecutor.aggregate-279"><span class="linenos">279</span></a> <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">group</span><span class="p">)</span> <span class="o">+</span> <span class="n">step</span><span class="o">.</span><span class="n">aggregations</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-280"><a href="#PythonExecutor.aggregate-280"><span class="linenos">280</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">condition</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-281"><a href="#PythonExecutor.aggregate-281"><span class="linenos">281</span></a> +</span><span id="PythonExecutor.aggregate-282"><a href="#PythonExecutor.aggregate-282"><span class="linenos">282</span></a> <span class="k">def</span> <span class="nf">add_row</span><span class="p">():</span> +</span><span id="PythonExecutor.aggregate-283"><a href="#PythonExecutor.aggregate-283"><span class="linenos">283</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">condition</span> <span class="ow">or</span> <span class="n">context</span><span class="o">.</span><span class="n">eval</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="PythonExecutor.aggregate-284"><a href="#PythonExecutor.aggregate-284"><span class="linenos">284</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">group</span> <span class="o">+</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> +</span><span id="PythonExecutor.aggregate-285"><a href="#PythonExecutor.aggregate-285"><span class="linenos">285</span></a> +</span><span id="PythonExecutor.aggregate-286"><a href="#PythonExecutor.aggregate-286"><span class="linenos">286</span></a> <span class="k">if</span> <span class="n">length</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-287"><a href="#PythonExecutor.aggregate-287"><span class="linenos">287</span></a> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">length</span><span class="p">):</span> +</span><span id="PythonExecutor.aggregate-288"><a href="#PythonExecutor.aggregate-288"><span class="linenos">288</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_index</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-289"><a href="#PythonExecutor.aggregate-289"><span class="linenos">289</span></a> <span class="n">key</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">group_by</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-290"><a href="#PythonExecutor.aggregate-290"><span class="linenos">290</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> <span class="k">if</span> <span class="n">group</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">group</span> +</span><span id="PythonExecutor.aggregate-291"><a href="#PythonExecutor.aggregate-291"><span class="linenos">291</span></a> <span class="n">end</span> <span class="o">+=</span> <span class="mi">1</span> +</span><span id="PythonExecutor.aggregate-292"><a href="#PythonExecutor.aggregate-292"><span class="linenos">292</span></a> <span class="k">if</span> <span class="n">key</span> <span class="o">!=</span> <span class="n">group</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-293"><a href="#PythonExecutor.aggregate-293"><span class="linenos">293</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-294"><a href="#PythonExecutor.aggregate-294"><span class="linenos">294</span></a> <span class="n">add_row</span><span class="p">()</span> +</span><span id="PythonExecutor.aggregate-295"><a href="#PythonExecutor.aggregate-295"><span class="linenos">295</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">key</span> +</span><span id="PythonExecutor.aggregate-296"><a href="#PythonExecutor.aggregate-296"><span class="linenos">296</span></a> <span class="n">start</span> <span class="o">=</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">2</span> +</span><span id="PythonExecutor.aggregate-297"><a href="#PythonExecutor.aggregate-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span> <span class="o">>=</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-298"><a href="#PythonExecutor.aggregate-298"><span class="linenos">298</span></a> <span class="k">break</span> +</span><span id="PythonExecutor.aggregate-299"><a href="#PythonExecutor.aggregate-299"><span class="linenos">299</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-300"><a href="#PythonExecutor.aggregate-300"><span class="linenos">300</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-301"><a href="#PythonExecutor.aggregate-301"><span class="linenos">301</span></a> <span class="n">add_row</span><span class="p">()</span> +</span><span id="PythonExecutor.aggregate-302"><a href="#PythonExecutor.aggregate-302"><span class="linenos">302</span></a> <span class="k">elif</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span> <span class="o">></span> <span class="mi">0</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">group_by</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-303"><a href="#PythonExecutor.aggregate-303"><span class="linenos">303</span></a> <span class="n">context</span><span class="o">.</span><span class="n">set_range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-304"><a href="#PythonExecutor.aggregate-304"><span class="linenos">304</span></a> <span class="n">table</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">aggregations</span><span class="p">))</span> +</span><span id="PythonExecutor.aggregate-305"><a href="#PythonExecutor.aggregate-305"><span class="linenos">305</span></a> +</span><span id="PythonExecutor.aggregate-306"><a href="#PythonExecutor.aggregate-306"><span class="linenos">306</span></a> <span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span><span class="p">,</span> <span class="o">**</span><span class="p">{</span><span class="n">name</span><span class="p">:</span> <span class="n">table</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">}})</span> +</span><span id="PythonExecutor.aggregate-307"><a href="#PythonExecutor.aggregate-307"><span class="linenos">307</span></a> +</span><span id="PythonExecutor.aggregate-308"><a href="#PythonExecutor.aggregate-308"><span class="linenos">308</span></a> <span class="k">if</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">:</span> +</span><span id="PythonExecutor.aggregate-309"><a href="#PythonExecutor.aggregate-309"><span class="linenos">309</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">scan</span><span class="p">(</span><span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">)</span> +</span><span id="PythonExecutor.aggregate-310"><a href="#PythonExecutor.aggregate-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="n">context</span> </span></pre></div> @@ -1474,30 +1419,30 @@ </div> <a class="headerlink" href="#PythonExecutor.sort"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.sort-324"><a href="#PythonExecutor.sort-324"><span class="linenos">324</span></a> <span class="k">def</span> <span class="nf">sort</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor.sort-325"><a href="#PythonExecutor.sort-325"><span class="linenos">325</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> -</span><span id="PythonExecutor.sort-326"><a href="#PythonExecutor.sort-326"><span class="linenos">326</span></a> <span class="n">projection_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">]</span> -</span><span id="PythonExecutor.sort-327"><a href="#PythonExecutor.sort-327"><span class="linenos">327</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">projection_columns</span> -</span><span id="PythonExecutor.sort-328"><a href="#PythonExecutor.sort-328"><span class="linenos">328</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span> -</span><span id="PythonExecutor.sort-329"><a href="#PythonExecutor.sort-329"><span class="linenos">329</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> -</span><span id="PythonExecutor.sort-330"><a href="#PythonExecutor.sort-330"><span class="linenos">330</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> -</span><span id="PythonExecutor.sort-331"><a href="#PythonExecutor.sort-331"><span class="linenos">331</span></a> -</span><span id="PythonExecutor.sort-332"><a href="#PythonExecutor.sort-332"><span class="linenos">332</span></a> <span class="n">sort_ctx</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> -</span><span id="PythonExecutor.sort-333"><a href="#PythonExecutor.sort-333"><span class="linenos">333</span></a> <span class="p">{</span> -</span><span id="PythonExecutor.sort-334"><a href="#PythonExecutor.sort-334"><span class="linenos">334</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">sink</span><span class="p">,</span> -</span><span id="PythonExecutor.sort-335"><a href="#PythonExecutor.sort-335"><span class="linenos">335</span></a> <span class="o">**</span><span class="p">{</span><span class="n">table</span><span class="p">:</span> <span class="n">sink</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">},</span> -</span><span id="PythonExecutor.sort-336"><a href="#PythonExecutor.sort-336"><span class="linenos">336</span></a> <span class="p">}</span> -</span><span id="PythonExecutor.sort-337"><a href="#PythonExecutor.sort-337"><span class="linenos">337</span></a> <span class="p">)</span> -</span><span id="PythonExecutor.sort-338"><a href="#PythonExecutor.sort-338"><span class="linenos">338</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">key</span><span class="p">))</span> -</span><span id="PythonExecutor.sort-339"><a href="#PythonExecutor.sort-339"><span class="linenos">339</span></a> -</span><span id="PythonExecutor.sort-340"><a href="#PythonExecutor.sort-340"><span class="linenos">340</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">isinf</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">):</span> -</span><span id="PythonExecutor.sort-341"><a href="#PythonExecutor.sort-341"><span class="linenos">341</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="mi">0</span> <span class="p">:</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">]</span> -</span><span id="PythonExecutor.sort-342"><a href="#PythonExecutor.sort-342"><span class="linenos">342</span></a> -</span><span id="PythonExecutor.sort-343"><a href="#PythonExecutor.sort-343"><span class="linenos">343</span></a> <span class="n">output</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> -</span><span id="PythonExecutor.sort-344"><a href="#PythonExecutor.sort-344"><span class="linenos">344</span></a> <span class="n">projection_columns</span><span class="p">,</span> -</span><span id="PythonExecutor.sort-345"><a href="#PythonExecutor.sort-345"><span class="linenos">345</span></a> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="p">:</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">],</span> -</span><span id="PythonExecutor.sort-346"><a href="#PythonExecutor.sort-346"><span class="linenos">346</span></a> <span class="p">)</span> -</span><span id="PythonExecutor.sort-347"><a href="#PythonExecutor.sort-347"><span class="linenos">347</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">output</span><span class="p">})</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.sort-312"><a href="#PythonExecutor.sort-312"><span class="linenos">312</span></a> <span class="k">def</span> <span class="nf">sort</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor.sort-313"><a href="#PythonExecutor.sort-313"><span class="linenos">313</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">)</span> +</span><span id="PythonExecutor.sort-314"><a href="#PythonExecutor.sort-314"><span class="linenos">314</span></a> <span class="n">projection_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">step</span><span class="o">.</span><span class="n">projections</span><span class="p">]</span> +</span><span id="PythonExecutor.sort-315"><a href="#PythonExecutor.sort-315"><span class="linenos">315</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="o">+</span> <span class="n">projection_columns</span> +</span><span id="PythonExecutor.sort-316"><a href="#PythonExecutor.sort-316"><span class="linenos">316</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span> +</span><span id="PythonExecutor.sort-317"><a href="#PythonExecutor.sort-317"><span class="linenos">317</span></a> <span class="k">for</span> <span class="n">reader</span><span class="p">,</span> <span class="n">ctx</span> <span class="ow">in</span> <span class="n">context</span><span class="p">:</span> +</span><span id="PythonExecutor.sort-318"><a href="#PythonExecutor.sort-318"><span class="linenos">318</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">reader</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="n">ctx</span><span class="o">.</span><span class="n">eval_tuple</span><span class="p">(</span><span class="n">projections</span><span class="p">))</span> +</span><span id="PythonExecutor.sort-319"><a href="#PythonExecutor.sort-319"><span class="linenos">319</span></a> +</span><span id="PythonExecutor.sort-320"><a href="#PythonExecutor.sort-320"><span class="linenos">320</span></a> <span class="n">sort_ctx</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">(</span> +</span><span id="PythonExecutor.sort-321"><a href="#PythonExecutor.sort-321"><span class="linenos">321</span></a> <span class="p">{</span> +</span><span id="PythonExecutor.sort-322"><a href="#PythonExecutor.sort-322"><span class="linenos">322</span></a> <span class="kc">None</span><span class="p">:</span> <span class="n">sink</span><span class="p">,</span> +</span><span id="PythonExecutor.sort-323"><a href="#PythonExecutor.sort-323"><span class="linenos">323</span></a> <span class="o">**</span><span class="p">{</span><span class="n">table</span><span class="p">:</span> <span class="n">sink</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">},</span> +</span><span id="PythonExecutor.sort-324"><a href="#PythonExecutor.sort-324"><span class="linenos">324</span></a> <span class="p">}</span> +</span><span id="PythonExecutor.sort-325"><a href="#PythonExecutor.sort-325"><span class="linenos">325</span></a> <span class="p">)</span> +</span><span id="PythonExecutor.sort-326"><a href="#PythonExecutor.sort-326"><span class="linenos">326</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">generate_tuple</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">key</span><span class="p">))</span> +</span><span id="PythonExecutor.sort-327"><a href="#PythonExecutor.sort-327"><span class="linenos">327</span></a> +</span><span id="PythonExecutor.sort-328"><a href="#PythonExecutor.sort-328"><span class="linenos">328</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">math</span><span class="o">.</span><span class="n">isinf</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">):</span> +</span><span id="PythonExecutor.sort-329"><a href="#PythonExecutor.sort-329"><span class="linenos">329</span></a> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">[</span><span class="mi">0</span> <span class="p">:</span> <span class="n">step</span><span class="o">.</span><span class="n">limit</span><span class="p">]</span> +</span><span id="PythonExecutor.sort-330"><a href="#PythonExecutor.sort-330"><span class="linenos">330</span></a> +</span><span id="PythonExecutor.sort-331"><a href="#PythonExecutor.sort-331"><span class="linenos">331</span></a> <span class="n">output</span> <span class="o">=</span> <span class="n">Table</span><span class="p">(</span> +</span><span id="PythonExecutor.sort-332"><a href="#PythonExecutor.sort-332"><span class="linenos">332</span></a> <span class="n">projection_columns</span><span class="p">,</span> +</span><span id="PythonExecutor.sort-333"><a href="#PythonExecutor.sort-333"><span class="linenos">333</span></a> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> <span class="p">:</span> <span class="nb">len</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">sort_ctx</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">rows</span><span class="p">],</span> +</span><span id="PythonExecutor.sort-334"><a href="#PythonExecutor.sort-334"><span class="linenos">334</span></a> <span class="p">)</span> +</span><span id="PythonExecutor.sort-335"><a href="#PythonExecutor.sort-335"><span class="linenos">335</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">output</span><span class="p">})</span> </span></pre></div> @@ -1515,22 +1460,22 @@ </div> <a class="headerlink" href="#PythonExecutor.set_operation"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.set_operation-349"><a href="#PythonExecutor.set_operation-349"><span class="linenos">349</span></a> <span class="k">def</span> <span class="nf">set_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> -</span><span id="PythonExecutor.set_operation-350"><a href="#PythonExecutor.set_operation-350"><span class="linenos">350</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">left</span><span class="p">]</span> -</span><span id="PythonExecutor.set_operation-351"><a href="#PythonExecutor.set_operation-351"><span class="linenos">351</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">right</span><span class="p">]</span> -</span><span id="PythonExecutor.set_operation-352"><a href="#PythonExecutor.set_operation-352"><span class="linenos">352</span></a> -</span><span id="PythonExecutor.set_operation-353"><a href="#PythonExecutor.set_operation-353"><span class="linenos">353</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> -</span><span id="PythonExecutor.set_operation-354"><a href="#PythonExecutor.set_operation-354"><span class="linenos">354</span></a> -</span><span id="PythonExecutor.set_operation-355"><a href="#PythonExecutor.set_operation-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Intersect</span><span class="p">):</span> -</span><span id="PythonExecutor.set_operation-356"><a href="#PythonExecutor.set_operation-356"><span class="linenos">356</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="PythonExecutor.set_operation-357"><a href="#PythonExecutor.set_operation-357"><span class="linenos">357</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Except</span><span class="p">):</span> -</span><span id="PythonExecutor.set_operation-358"><a href="#PythonExecutor.set_operation-358"><span class="linenos">358</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="PythonExecutor.set_operation-359"><a href="#PythonExecutor.set_operation-359"><span class="linenos">359</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">)</span> <span class="ow">and</span> <span class="n">step</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> -</span><span id="PythonExecutor.set_operation-360"><a href="#PythonExecutor.set_operation-360"><span class="linenos">360</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> -</span><span id="PythonExecutor.set_operation-361"><a href="#PythonExecutor.set_operation-361"><span class="linenos">361</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="PythonExecutor.set_operation-362"><a href="#PythonExecutor.set_operation-362"><span class="linenos">362</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">rows</span> <span class="o">+</span> <span class="n">right</span><span class="o">.</span><span class="n">rows</span> -</span><span id="PythonExecutor.set_operation-363"><a href="#PythonExecutor.set_operation-363"><span class="linenos">363</span></a> -</span><span id="PythonExecutor.set_operation-364"><a href="#PythonExecutor.set_operation-364"><span class="linenos">364</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="PythonExecutor.set_operation-337"><a href="#PythonExecutor.set_operation-337"><span class="linenos">337</span></a> <span class="k">def</span> <span class="nf">set_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span> +</span><span id="PythonExecutor.set_operation-338"><a href="#PythonExecutor.set_operation-338"><span class="linenos">338</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">left</span><span class="p">]</span> +</span><span id="PythonExecutor.set_operation-339"><a href="#PythonExecutor.set_operation-339"><span class="linenos">339</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">tables</span><span class="p">[</span><span class="n">step</span><span class="o">.</span><span class="n">right</span><span class="p">]</span> +</span><span id="PythonExecutor.set_operation-340"><a href="#PythonExecutor.set_operation-340"><span class="linenos">340</span></a> +</span><span id="PythonExecutor.set_operation-341"><a href="#PythonExecutor.set_operation-341"><span class="linenos">341</span></a> <span class="n">sink</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">columns</span><span class="p">)</span> +</span><span id="PythonExecutor.set_operation-342"><a href="#PythonExecutor.set_operation-342"><span class="linenos">342</span></a> +</span><span id="PythonExecutor.set_operation-343"><a href="#PythonExecutor.set_operation-343"><span class="linenos">343</span></a> <span class="k">if</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Intersect</span><span class="p">):</span> +</span><span id="PythonExecutor.set_operation-344"><a href="#PythonExecutor.set_operation-344"><span class="linenos">344</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="PythonExecutor.set_operation-345"><a href="#PythonExecutor.set_operation-345"><span class="linenos">345</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Except</span><span class="p">):</span> +</span><span id="PythonExecutor.set_operation-346"><a href="#PythonExecutor.set_operation-346"><span class="linenos">346</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="PythonExecutor.set_operation-347"><a href="#PythonExecutor.set_operation-347"><span class="linenos">347</span></a> <span class="k">elif</span> <span class="nb">issubclass</span><span class="p">(</span><span class="n">step</span><span class="o">.</span><span class="n">op</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">)</span> <span class="ow">and</span> <span class="n">step</span><span class="o">.</span><span class="n">distinct</span><span class="p">:</span> +</span><span id="PythonExecutor.set_operation-348"><a href="#PythonExecutor.set_operation-348"><span class="linenos">348</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">left</span><span class="o">.</span><span class="n">rows</span><span class="p">)</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">right</span><span class="o">.</span><span class="n">rows</span><span class="p">)))</span> +</span><span id="PythonExecutor.set_operation-349"><a href="#PythonExecutor.set_operation-349"><span class="linenos">349</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="PythonExecutor.set_operation-350"><a href="#PythonExecutor.set_operation-350"><span class="linenos">350</span></a> <span class="n">sink</span><span class="o">.</span><span class="n">rows</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">rows</span> <span class="o">+</span> <span class="n">right</span><span class="o">.</span><span class="n">rows</span> +</span><span id="PythonExecutor.set_operation-351"><a href="#PythonExecutor.set_operation-351"><span class="linenos">351</span></a> +</span><span id="PythonExecutor.set_operation-352"><a href="#PythonExecutor.set_operation-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">context</span><span class="p">({</span><span class="n">step</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">sink</span><span class="p">})</span> </span></pre></div> @@ -1549,33 +1494,33 @@ </div> <a class="headerlink" href="#Python"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Python-410"><a href="#Python-410"><span class="linenos">410</span></a><span class="k">class</span> <span class="nc">Python</span><span class="p">(</span><span class="n">Dialect</span><span class="p">):</span> -</span><span id="Python-411"><a href="#Python-411"><span class="linenos">411</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">tokens</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> -</span><span id="Python-412"><a href="#Python-412"><span class="linenos">412</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> -</span><span id="Python-413"><a href="#Python-413"><span class="linenos">413</span></a> -</span><span id="Python-414"><a href="#Python-414"><span class="linenos">414</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">generator</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> -</span><span id="Python-415"><a href="#Python-415"><span class="linenos">415</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Python-416"><a href="#Python-416"><span class="linenos">416</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)},</span> -</span><span id="Python-417"><a href="#Python-417"><span class="linenos">417</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">ALL_FUNCTIONS</span><span class="p">},</span> -</span><span id="Python-418"><a href="#Python-418"><span class="linenos">418</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="n">_case_sql</span><span class="p">,</span> -</span><span id="Python-419"><a href="#Python-419"><span class="linenos">419</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> -</span><span id="Python-420"><a href="#Python-420"><span class="linenos">420</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="n">inline_array_sql</span><span class="p">,</span> -</span><span id="Python-421"><a href="#Python-421"><span class="linenos">421</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"and"</span><span class="p">),</span> -</span><span id="Python-422"><a href="#Python-422"><span class="linenos">422</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">:</span> <span class="n">_rename</span><span class="p">,</span> -</span><span id="Python-423"><a href="#Python-423"><span class="linenos">423</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="s2">"True"</span> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> <span class="k">else</span> <span class="s2">"False"</span><span class="p">,</span> -</span><span id="Python-424"><a href="#Python-424"><span class="linenos">424</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">, exp.DataType.Type.</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'to'</span><span class="p">]</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python-425"><a href="#Python-425"><span class="linenos">425</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"scope[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'table'</span><span class="p">)</span><span class="w"> </span><span class="ow">or</span><span class="w"> </span><span class="kc">None</span><span class="si">}</span><span class="s2">][</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span><span class="p">,</span> -</span><span id="Python-426"><a href="#Python-426"><span class="linenos">426</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"set(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python-427"><a href="#Python-427"><span class="linenos">427</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"EXTRACT('</span><span class="si">{</span><span class="n">e</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="si">}</span><span class="s2">', </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python-428"><a href="#Python-428"><span class="linenos">428</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> in (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python-429"><a href="#Python-429"><span class="linenos">429</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">),</span> -</span><span id="Python-430"><a href="#Python-430"><span class="linenos">430</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">:</span> <span class="n">_lambda_sql</span><span class="p">,</span> -</span><span id="Python-431"><a href="#Python-431"><span class="linenos">431</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"not </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="Python-432"><a href="#Python-432"><span class="linenos">432</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"None"</span><span class="p">,</span> -</span><span id="Python-433"><a href="#Python-433"><span class="linenos">433</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">),</span> -</span><span id="Python-434"><a href="#Python-434"><span class="linenos">434</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">:</span> <span class="n">_ordered_py</span><span class="p">,</span> -</span><span id="Python-435"><a href="#Python-435"><span class="linenos">435</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"1"</span><span class="p">,</span> -</span><span id="Python-436"><a href="#Python-436"><span class="linenos">436</span></a> <span class="p">}</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Python-398"><a href="#Python-398"><span class="linenos">398</span></a><span class="k">class</span> <span class="nc">Python</span><span class="p">(</span><span class="n">Dialect</span><span class="p">):</span> +</span><span id="Python-399"><a href="#Python-399"><span class="linenos">399</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">tokens</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="Python-400"><a href="#Python-400"><span class="linenos">400</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="Python-401"><a href="#Python-401"><span class="linenos">401</span></a> +</span><span id="Python-402"><a href="#Python-402"><span class="linenos">402</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">generator</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="Python-403"><a href="#Python-403"><span class="linenos">403</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Python-404"><a href="#Python-404"><span class="linenos">404</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)},</span> +</span><span id="Python-405"><a href="#Python-405"><span class="linenos">405</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">ALL_FUNCTIONS</span><span class="p">},</span> +</span><span id="Python-406"><a href="#Python-406"><span class="linenos">406</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="n">_case_sql</span><span class="p">,</span> +</span><span id="Python-407"><a href="#Python-407"><span class="linenos">407</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> +</span><span id="Python-408"><a href="#Python-408"><span class="linenos">408</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="n">inline_array_sql</span><span class="p">,</span> +</span><span id="Python-409"><a href="#Python-409"><span class="linenos">409</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"and"</span><span class="p">),</span> +</span><span id="Python-410"><a href="#Python-410"><span class="linenos">410</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">:</span> <span class="n">_rename</span><span class="p">,</span> +</span><span id="Python-411"><a href="#Python-411"><span class="linenos">411</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="s2">"True"</span> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> <span class="k">else</span> <span class="s2">"False"</span><span class="p">,</span> +</span><span id="Python-412"><a href="#Python-412"><span class="linenos">412</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">, exp.DataType.Type.</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'to'</span><span class="p">]</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python-413"><a href="#Python-413"><span class="linenos">413</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"scope[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'table'</span><span class="p">)</span><span class="w"> </span><span class="ow">or</span><span class="w"> </span><span class="kc">None</span><span class="si">}</span><span class="s2">][</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span><span class="p">,</span> +</span><span id="Python-414"><a href="#Python-414"><span class="linenos">414</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"set(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python-415"><a href="#Python-415"><span class="linenos">415</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"EXTRACT('</span><span class="si">{</span><span class="n">e</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="si">}</span><span class="s2">', </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python-416"><a href="#Python-416"><span class="linenos">416</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> in (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python-417"><a href="#Python-417"><span class="linenos">417</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">),</span> +</span><span id="Python-418"><a href="#Python-418"><span class="linenos">418</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">:</span> <span class="n">_lambda_sql</span><span class="p">,</span> +</span><span id="Python-419"><a href="#Python-419"><span class="linenos">419</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"not </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="Python-420"><a href="#Python-420"><span class="linenos">420</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"None"</span><span class="p">,</span> +</span><span id="Python-421"><a href="#Python-421"><span class="linenos">421</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">),</span> +</span><span id="Python-422"><a href="#Python-422"><span class="linenos">422</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">:</span> <span class="n">_ordered_py</span><span class="p">,</span> +</span><span id="Python-423"><a href="#Python-423"><span class="linenos">423</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"1"</span><span class="p">,</span> +</span><span id="Python-424"><a href="#Python-424"><span class="linenos">424</span></a> <span class="p">}</span> </span></pre></div> @@ -1610,8 +1555,8 @@ </div> <a class="headerlink" href="#Python.Tokenizer"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Python.Tokenizer-411"><a href="#Python.Tokenizer-411"><span class="linenos">411</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">tokens</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> -</span><span id="Python.Tokenizer-412"><a href="#Python.Tokenizer-412"><span class="linenos">412</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Python.Tokenizer-399"><a href="#Python.Tokenizer-399"><span class="linenos">399</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">tokens</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="Python.Tokenizer-400"><a href="#Python.Tokenizer-400"><span class="linenos">400</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> </span></pre></div> @@ -1639,29 +1584,29 @@ </div> <a class="headerlink" href="#Python.Generator"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Python.Generator-414"><a href="#Python.Generator-414"><span class="linenos">414</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">generator</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> -</span><span id="Python.Generator-415"><a href="#Python.Generator-415"><span class="linenos">415</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Python.Generator-416"><a href="#Python.Generator-416"><span class="linenos">416</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)},</span> -</span><span id="Python.Generator-417"><a href="#Python.Generator-417"><span class="linenos">417</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">ALL_FUNCTIONS</span><span class="p">},</span> -</span><span id="Python.Generator-418"><a href="#Python.Generator-418"><span class="linenos">418</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="n">_case_sql</span><span class="p">,</span> -</span><span id="Python.Generator-419"><a href="#Python.Generator-419"><span class="linenos">419</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> -</span><span id="Python.Generator-420"><a href="#Python.Generator-420"><span class="linenos">420</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="n">inline_array_sql</span><span class="p">,</span> -</span><span id="Python.Generator-421"><a href="#Python.Generator-421"><span class="linenos">421</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"and"</span><span class="p">),</span> -</span><span id="Python.Generator-422"><a href="#Python.Generator-422"><span class="linenos">422</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">:</span> <span class="n">_rename</span><span class="p">,</span> -</span><span id="Python.Generator-423"><a href="#Python.Generator-423"><span class="linenos">423</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="s2">"True"</span> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> <span class="k">else</span> <span class="s2">"False"</span><span class="p">,</span> -</span><span id="Python.Generator-424"><a href="#Python.Generator-424"><span class="linenos">424</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">, exp.DataType.Type.</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'to'</span><span class="p">]</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python.Generator-425"><a href="#Python.Generator-425"><span class="linenos">425</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"scope[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'table'</span><span class="p">)</span><span class="w"> </span><span class="ow">or</span><span class="w"> </span><span class="kc">None</span><span class="si">}</span><span class="s2">][</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span><span class="p">,</span> -</span><span id="Python.Generator-426"><a href="#Python.Generator-426"><span class="linenos">426</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"set(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python.Generator-427"><a href="#Python.Generator-427"><span class="linenos">427</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"EXTRACT('</span><span class="si">{</span><span class="n">e</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="si">}</span><span class="s2">', </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python.Generator-428"><a href="#Python.Generator-428"><span class="linenos">428</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> in (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Python.Generator-429"><a href="#Python.Generator-429"><span class="linenos">429</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">),</span> -</span><span id="Python.Generator-430"><a href="#Python.Generator-430"><span class="linenos">430</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">:</span> <span class="n">_lambda_sql</span><span class="p">,</span> -</span><span id="Python.Generator-431"><a href="#Python.Generator-431"><span class="linenos">431</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"not </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="Python.Generator-432"><a href="#Python.Generator-432"><span class="linenos">432</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"None"</span><span class="p">,</span> -</span><span id="Python.Generator-433"><a href="#Python.Generator-433"><span class="linenos">433</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">),</span> -</span><span id="Python.Generator-434"><a href="#Python.Generator-434"><span class="linenos">434</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">:</span> <span class="n">_ordered_py</span><span class="p">,</span> -</span><span id="Python.Generator-435"><a href="#Python.Generator-435"><span class="linenos">435</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"1"</span><span class="p">,</span> -</span><span id="Python.Generator-436"><a href="#Python.Generator-436"><span class="linenos">436</span></a> <span class="p">}</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Python.Generator-402"><a href="#Python.Generator-402"><span class="linenos">402</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">generator</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="Python.Generator-403"><a href="#Python.Generator-403"><span class="linenos">403</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Python.Generator-404"><a href="#Python.Generator-404"><span class="linenos">404</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">subclasses</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)},</span> +</span><span id="Python.Generator-405"><a href="#Python.Generator-405"><span class="linenos">405</span></a> <span class="o">**</span><span class="p">{</span><span class="n">klass</span><span class="p">:</span> <span class="n">_rename</span> <span class="k">for</span> <span class="n">klass</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">ALL_FUNCTIONS</span><span class="p">},</span> +</span><span id="Python.Generator-406"><a href="#Python.Generator-406"><span class="linenos">406</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">:</span> <span class="n">_case_sql</span><span class="p">,</span> +</span><span id="Python.Generator-407"><a href="#Python.Generator-407"><span class="linenos">407</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> +</span><span id="Python.Generator-408"><a href="#Python.Generator-408"><span class="linenos">408</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">:</span> <span class="n">inline_array_sql</span><span class="p">,</span> +</span><span id="Python.Generator-409"><a href="#Python.Generator-409"><span class="linenos">409</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"and"</span><span class="p">),</span> +</span><span id="Python.Generator-410"><a href="#Python.Generator-410"><span class="linenos">410</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">:</span> <span class="n">_rename</span><span class="p">,</span> +</span><span id="Python.Generator-411"><a href="#Python.Generator-411"><span class="linenos">411</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="s2">"True"</span> <span class="k">if</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> <span class="k">else</span> <span class="s2">"False"</span><span class="p">,</span> +</span><span id="Python.Generator-412"><a href="#Python.Generator-412"><span class="linenos">412</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">, exp.DataType.Type.</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'to'</span><span class="p">]</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python.Generator-413"><a href="#Python.Generator-413"><span class="linenos">413</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"scope[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'table'</span><span class="p">)</span><span class="w"> </span><span class="ow">or</span><span class="w"> </span><span class="kc">None</span><span class="si">}</span><span class="s2">][</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span><span class="p">,</span> +</span><span id="Python.Generator-414"><a href="#Python.Generator-414"><span class="linenos">414</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"set(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python.Generator-415"><a href="#Python.Generator-415"><span class="linenos">415</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Extract</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"EXTRACT('</span><span class="si">{</span><span class="n">e</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="si">}</span><span class="s2">', </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'expression'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python.Generator-416"><a href="#Python.Generator-416"><span class="linenos">416</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">In</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> in (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="n">flat</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Python.Generator-417"><a href="#Python.Generator-417"><span class="linenos">417</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"is"</span><span class="p">),</span> +</span><span id="Python.Generator-418"><a href="#Python.Generator-418"><span class="linenos">418</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Lambda</span><span class="p">:</span> <span class="n">_lambda_sql</span><span class="p">,</span> +</span><span id="Python.Generator-419"><a href="#Python.Generator-419"><span class="linenos">419</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"not </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="Python.Generator-420"><a href="#Python.Generator-420"><span class="linenos">420</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"None"</span><span class="p">,</span> +</span><span id="Python.Generator-421"><a href="#Python.Generator-421"><span class="linenos">421</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="s2">"or"</span><span class="p">),</span> +</span><span id="Python.Generator-422"><a href="#Python.Generator-422"><span class="linenos">422</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">:</span> <span class="n">_ordered_py</span><span class="p">,</span> +</span><span id="Python.Generator-423"><a href="#Python.Generator-423"><span class="linenos">423</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">:</span> <span class="k">lambda</span> <span class="o">*</span><span class="n">_</span><span class="p">:</span> <span class="s2">"1"</span><span class="p">,</span> +</span><span id="Python.Generator-424"><a href="#Python.Generator-424"><span class="linenos">424</span></a> <span class="p">}</span> </span></pre></div> @@ -1801,6 +1746,7 @@ Default: True</li> <dd id="Python.Generator.offset_sql" class="function"><a href="../generator.html#Generator.offset_sql">offset_sql</a></dd> <dd id="Python.Generator.setitem_sql" class="function"><a href="../generator.html#Generator.setitem_sql">setitem_sql</a></dd> <dd id="Python.Generator.set_sql" class="function"><a href="../generator.html#Generator.set_sql">set_sql</a></dd> + <dd id="Python.Generator.pragma_sql" class="function"><a href="../generator.html#Generator.pragma_sql">pragma_sql</a></dd> <dd id="Python.Generator.lock_sql" class="function"><a href="../generator.html#Generator.lock_sql">lock_sql</a></dd> <dd id="Python.Generator.literal_sql" class="function"><a href="../generator.html#Generator.literal_sql">literal_sql</a></dd> <dd id="Python.Generator.loaddata_sql" class="function"><a href="../generator.html#Generator.loaddata_sql">loaddata_sql</a></dd> @@ -1845,6 +1791,8 @@ Default: True</li> <dd id="Python.Generator.primarykey_sql" class="function"><a href="../generator.html#Generator.primarykey_sql">primarykey_sql</a></dd> <dd id="Python.Generator.unique_sql" class="function"><a href="../generator.html#Generator.unique_sql">unique_sql</a></dd> <dd id="Python.Generator.if_sql" class="function"><a href="../generator.html#Generator.if_sql">if_sql</a></dd> + <dd id="Python.Generator.jsonkeyvalue_sql" class="function"><a href="../generator.html#Generator.jsonkeyvalue_sql">jsonkeyvalue_sql</a></dd> + <dd id="Python.Generator.jsonobject_sql" class="function"><a href="../generator.html#Generator.jsonobject_sql">jsonobject_sql</a></dd> <dd id="Python.Generator.in_sql" class="function"><a href="../generator.html#Generator.in_sql">in_sql</a></dd> <dd id="Python.Generator.in_unnest_op" class="function"><a href="../generator.html#Generator.in_unnest_op">in_unnest_op</a></dd> <dd id="Python.Generator.interval_sql" class="function"><a href="../generator.html#Generator.interval_sql">interval_sql</a></dd> |