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+ </a> +</div> + </nav> + <main class="pdoc"> + <section class="module-info"> + <a class="pdoc-button git-button" href="https://github.com/tobymao/sqlglot/tree/main/sqlglot/lineage.py">Edit on GitHub</a> + <h1 class="modulename"> +<a href="./../sqlglot.html">sqlglot</a><wbr>.lineage </h1> + + + <input id="mod-lineage-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> + + <label class="view-source-button" for="mod-lineage-view-source"><span>View Source</span></label> + + <div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span> +</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a> +</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">json</span> +</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span> +</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">dataclasses</span> <span class="kn">import</span> <span class="n">dataclass</span><span class="p">,</span> <span class="n">field</span> +</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a> +</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">exp</span><span class="p">,</span> <span class="n">maybe_parse</span> +</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer</span> <span class="kn">import</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">build_scope</span><span class="p">,</span> <span class="n">optimize</span> +</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.expand_laterals</span> <span class="kn">import</span> <span class="n">expand_laterals</span> +</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.qualify_columns</span> <span class="kn">import</span> <span class="n">qualify_columns</span> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="kn">from</span> <span class="nn">sqlglot.optimizer.qualify_tables</span> <span class="kn">import</span> <span class="n">qualify_tables</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> +</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a><span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span> +</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dialects.dialect</span> <span class="kn">import</span> <span class="n">DialectType</span> +</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> +</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> +</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a><span class="nd">@dataclass</span><span class="p">(</span><span class="n">frozen</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a><span class="k">class</span> <span class="nc">Node</span><span class="p">:</span> +</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> +</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">source</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> +</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">downstream</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Node</span><span class="p">]</span> <span class="o">=</span> <span class="n">field</span><span class="p">(</span><span class="n">default_factory</span><span class="o">=</span><span class="nb">list</span><span class="p">)</span> +</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="k">def</span> <span class="nf">walk</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Node</span><span class="p">]:</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="k">yield</span> <span class="bp">self</span> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">downstream</span><span class="p">:</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">d</span><span class="p">,</span> <span class="n">Node</span><span class="p">):</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="k">yield from</span> <span class="n">d</span><span class="o">.</span><span class="n">walk</span><span class="p">()</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="k">yield</span> <span class="n">d</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="k">def</span> <span class="nf">to_html</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">LineageHTML</span><span class="p">:</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="k">return</span> <span class="n">LineageHTML</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a><span class="k">def</span> <span class="nf">lineage</span><span class="p">(</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">column</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">|</span> <span class="n">Schema</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="n">sources</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">rules</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="n">qualify_tables</span><span class="p">,</span> <span class="n">qualify_columns</span><span class="p">,</span> <span class="n">expand_laterals</span><span class="p">),</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Node</span><span class="p">:</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a><span class="w"> </span><span class="sd">"""Build the lineage graph for a column of a SQL query.</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a><span class="sd"> Args:</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a><span class="sd"> column: The column to build the lineage for.</span> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a><span class="sd"> sql: The SQL string or expression.</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a><span class="sd"> schema: The schema of tables.</span> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a><span class="sd"> sources: A mapping of queries which will be used to continue building lineage.</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a><span class="sd"> rules: Optimizer rules to apply, by default only qualifying tables and columns.</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a><span class="sd"> dialect: The dialect of input SQL.</span> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="sd"> Returns:</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="sd"> A lineage node.</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a><span class="sd"> """</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">maybe_parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">if</span> <span class="n">sources</span><span class="p">:</span> +</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">expand</span><span class="p">(</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">expression</span><span class="p">,</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="p">{</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">k</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">,</span> <span class="n">maybe_parse</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">))</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="p">},</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="p">)</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="n">optimized</span> <span class="o">=</span> <span class="n">optimize</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">rules</span><span class="o">=</span><span class="n">rules</span><span class="p">)</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">scope</span> <span class="o">=</span> <span class="n">build_scope</span><span class="p">(</span><span class="n">optimized</span><span class="p">)</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">tables</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Node</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">def</span> <span class="nf">to_node</span><span class="p">(</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">scope_name</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">upstream</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">Node</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Node</span><span class="p">:</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">union_scopes</span><span class="p">:</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">to_node</span><span class="p">(</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">column_name</span><span class="p">,</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">scope</span><span class="o">=</span><span class="n">scope</span><span class="p">,</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">scope_name</span><span class="o">=</span><span class="n">scope_name</span><span class="p">,</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">upstream</span><span class="o">=</span><span class="n">upstream</span><span class="p">,</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="p">)</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">return</span> <span class="n">node</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">select</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="o">==</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">optimize</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">rules</span><span class="o">=</span><span class="n">rules</span><span class="p">)</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">Node</span><span class="p">(</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">name</span><span class="o">=</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">scope_name</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">column_name</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">scope_name</span> <span class="k">else</span> <span class="n">column_name</span><span class="p">,</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">source</span><span class="o">=</span><span class="n">source</span><span class="p">,</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">expression</span><span class="o">=</span><span class="n">select</span><span class="p">,</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="p">)</span> +</span><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">upstream</span><span class="p">:</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">upstream</span><span class="o">.</span><span class="n">downstream</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="nb">set</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)):</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">c</span><span class="o">.</span><span class="n">table</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">to_node</span><span class="p">(</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">c</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">scope</span><span class="o">=</span><span class="n">source</span><span class="p">,</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">scope_name</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">upstream</span><span class="o">=</span><span class="n">node</span><span class="p">,</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <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="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="n">tables</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">Node</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">source</span><span class="o">=</span><span class="n">source</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">source</span><span class="p">)</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="n">node</span><span class="o">.</span><span class="n">downstream</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">tables</span><span class="p">[</span><span class="n">table</span><span class="p">])</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">return</span> <span class="n">node</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">return</span> <span class="n">to_node</span><span class="p">(</span><span class="n">column</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">scope</span><span class="p">)</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a><span class="k">class</span> <span class="nc">LineageHTML</span><span class="p">:</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a><span class="w"> </span><span class="sd">"""Node to HTML generator using vis.js.</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a><span class="sd"> https://visjs.github.io/vis-network/docs/network/</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a><span class="sd"> """</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="fm">__init__</span><span class="p">(</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <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="n">node</span><span class="p">:</span> <span class="n">Node</span><span class="p">,</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">imports</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="p">):</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">node</span> <span class="o">=</span> <span class="n">node</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">imports</span> <span class="o">=</span> <span class="n">imports</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">options</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="s2">"height"</span><span class="p">:</span> <span class="s2">"500px"</span><span class="p">,</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="s2">"width"</span><span class="p">:</span> <span class="s2">"100%"</span><span class="p">,</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="s2">"layout"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="s2">"hierarchical"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="s2">"enabled"</span><span class="p">:</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="s2">"nodeSpacing"</span><span class="p">:</span> <span class="mi">200</span><span class="p">,</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="s2">"sortMethod"</span><span class="p">:</span> <span class="s2">"directed"</span><span class="p">,</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="p">},</span> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="p">},</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="s2">"interaction"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="s2">"dragNodes"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="s2">"selectable"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="p">},</span> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="s2">"physics"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="s2">"enabled"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="p">},</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="s2">"edges"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="s2">"arrows"</span><span class="p">:</span> <span class="s2">"to"</span><span class="p">,</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="p">},</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="s2">"nodes"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="s2">"font"</span><span class="p">:</span> <span class="s2">"20px monaco"</span><span class="p">,</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="s2">"shape"</span><span class="p">:</span> <span class="s2">"box"</span><span class="p">,</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="s2">"widthConstraint"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="s2">"maximum"</span><span class="p">:</span> <span class="mi">300</span><span class="p">,</span> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="p">},</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="p">},</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="p">}</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span> <span class="o">=</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">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">label</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"FROM </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">title</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"<pre>SELECT </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2"> FROM </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2"></pre>"</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">group</span> <span class="o">=</span> <span class="mi">1</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">label</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</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">Tag</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">n</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">"<b>"</span><span class="p">,</span> <span class="n">postfix</span><span class="o">=</span><span class="s2">"</b>"</span><span class="p">)</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">if</span> <span class="n">n</span> <span class="ow">is</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">else</span> <span class="n">n</span><span class="p">,</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="p">)</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">title</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"<pre></span><span class="si">{</span><span class="n">source</span><span class="si">}</span><span class="s2"></pre>"</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">group</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">node_id</span> <span class="o">=</span> <span class="nb">id</span><span class="p">(</span><span class="n">node</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="bp">self</span><span class="o">.</span><span class="n">nodes</span><span class="p">[</span><span class="n">node_id</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="s2">"id"</span><span class="p">:</span> <span class="n">node_id</span><span class="p">,</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="s2">"label"</span><span class="p">:</span> <span class="n">label</span><span class="p">,</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="s2">"title"</span><span class="p">:</span> <span class="n">title</span><span class="p">,</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="s2">"group"</span><span class="p">:</span> <span class="n">group</span><span class="p">,</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="p">}</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">downstream</span><span class="p">:</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="o">.</span><span class="n">append</span><span class="p">({</span><span class="s2">"from"</span><span class="p">:</span> <span class="n">node_id</span><span class="p">,</span> <span class="s2">"to"</span><span class="p">:</span> <span class="nb">id</span><span class="p">(</span><span class="n">d</span><span class="p">)})</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nodes</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">edges</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">)</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">options</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">options</span><span class="p">)</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">imports</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a><span class="w"> </span><span class="sd">"""<script type="text/javascript" src="https://unpkg.com/vis-data@latest/peer/umd/vis-data.min.js"></script></span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a><span class="sd"> <script type="text/javascript" src="https://unpkg.com/vis-network@latest/peer/umd/vis-network.min.js"></script></span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a><span class="sd"> <link rel="stylesheet" type="text/css" href="https://unpkg.com/vis-network/styles/vis-network.min.css" />"""</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">imports</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <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="sa">f</span><span class="s2">"""<div></span> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a><span class="s2"> <div id="sqlglot-lineage"></div></span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a><span class="s2"> </span><span class="si">{</span><span class="n">imports</span><span class="si">}</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a><span class="s2"> <script type="text/javascript"></span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a><span class="s2"> var nodes = new vis.DataSet(</span><span class="si">{</span><span class="n">nodes</span><span class="si">}</span><span class="s2">)</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a><span class="s2"> nodes.forEach(row => row["title"] = new DOMParser().parseFromString(row["title"], "text/html").body.childNodes[0])</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a><span class="s2"> new vis.Network(</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a><span class="s2"> document.getElementById("sqlglot-lineage"),</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a><span class="s2"> </span><span class="se">{{</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a><span class="s2"> nodes: nodes,</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a><span class="s2"> edges: new vis.DataSet(</span><span class="si">{</span><span class="n">edges</span><span class="si">}</span><span class="s2">)</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a><span class="s2"> </span><span class="se">}}</span><span class="s2">,</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a><span class="s2"> </span><span class="si">{</span><span class="n">options</span><span class="si">}</span><span class="s2">,</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a><span class="s2"> )</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a><span class="s2"> </script></span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a><span class="s2"></div>"""</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">def</span> <span class="nf">_repr_html_</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="fm">__str__</span><span class="p">()</span> +</span></pre></div> + + + </section> + <section id="Node"> + <input id="Node-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr class"> + <div class="decorator">@dataclass(frozen=True)</div> + + <span class="def">class</span> + <span class="name">Node</span>: + + <label class="view-source-button" for="Node-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Node"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Node-18"><a href="#Node-18"><span class="linenos">18</span></a><span class="nd">@dataclass</span><span class="p">(</span><span class="n">frozen</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="Node-19"><a href="#Node-19"><span class="linenos">19</span></a><span class="k">class</span> <span class="nc">Node</span><span class="p">:</span> +</span><span id="Node-20"><a href="#Node-20"><span class="linenos">20</span></a> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> +</span><span id="Node-21"><a href="#Node-21"><span class="linenos">21</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> +</span><span id="Node-22"><a href="#Node-22"><span class="linenos">22</span></a> <span class="n">source</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span> +</span><span id="Node-23"><a href="#Node-23"><span class="linenos">23</span></a> <span class="n">downstream</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Node</span><span class="p">]</span> <span class="o">=</span> <span class="n">field</span><span class="p">(</span><span class="n">default_factory</span><span class="o">=</span><span class="nb">list</span><span class="p">)</span> +</span><span id="Node-24"><a href="#Node-24"><span class="linenos">24</span></a> +</span><span id="Node-25"><a href="#Node-25"><span class="linenos">25</span></a> <span class="k">def</span> <span class="nf">walk</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Node</span><span class="p">]:</span> +</span><span id="Node-26"><a href="#Node-26"><span class="linenos">26</span></a> <span class="k">yield</span> <span class="bp">self</span> +</span><span id="Node-27"><a href="#Node-27"><span class="linenos">27</span></a> +</span><span id="Node-28"><a href="#Node-28"><span class="linenos">28</span></a> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">downstream</span><span class="p">:</span> +</span><span id="Node-29"><a href="#Node-29"><span class="linenos">29</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">d</span><span class="p">,</span> <span class="n">Node</span><span class="p">):</span> +</span><span id="Node-30"><a href="#Node-30"><span class="linenos">30</span></a> <span class="k">yield from</span> <span class="n">d</span><span class="o">.</span><span class="n">walk</span><span class="p">()</span> +</span><span id="Node-31"><a href="#Node-31"><span class="linenos">31</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="Node-32"><a href="#Node-32"><span class="linenos">32</span></a> <span class="k">yield</span> <span class="n">d</span> +</span><span id="Node-33"><a href="#Node-33"><span class="linenos">33</span></a> +</span><span id="Node-34"><a href="#Node-34"><span class="linenos">34</span></a> <span class="k">def</span> <span class="nf">to_html</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">LineageHTML</span><span class="p">:</span> +</span><span id="Node-35"><a href="#Node-35"><span class="linenos">35</span></a> <span class="k">return</span> <span class="n">LineageHTML</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span></pre></div> + + + + + <div id="Node.__init__" class="classattr"> + <div class="attr function"> + + <span class="name">Node</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">source</span><span class="p">:</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">downstream</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="n"><a href="#Node">sqlglot.lineage.Node</a></span><span class="p">]</span> <span class="o">=</span> <span class="o"><</span><span class="n">factory</span><span class="o">></span></span>)</span> + + + </div> + <a class="headerlink" href="#Node.__init__"></a> + + + + </div> + <div id="Node.walk" class="classattr"> + <input id="Node.walk-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + + <span class="def">def</span> + <span class="name">walk</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span></span><span class="return-annotation">) -> <span class="n">Iterator</span><span class="p">[</span><span class="n"><a href="#Node">sqlglot.lineage.Node</a></span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="Node.walk-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Node.walk"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Node.walk-25"><a href="#Node.walk-25"><span class="linenos">25</span></a> <span class="k">def</span> <span class="nf">walk</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Iterator</span><span class="p">[</span><span class="n">Node</span><span class="p">]:</span> +</span><span id="Node.walk-26"><a href="#Node.walk-26"><span class="linenos">26</span></a> <span class="k">yield</span> <span class="bp">self</span> +</span><span id="Node.walk-27"><a href="#Node.walk-27"><span class="linenos">27</span></a> +</span><span id="Node.walk-28"><a href="#Node.walk-28"><span class="linenos">28</span></a> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">downstream</span><span class="p">:</span> +</span><span id="Node.walk-29"><a href="#Node.walk-29"><span class="linenos">29</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">d</span><span class="p">,</span> <span class="n">Node</span><span class="p">):</span> +</span><span id="Node.walk-30"><a href="#Node.walk-30"><span class="linenos">30</span></a> <span class="k">yield from</span> <span class="n">d</span><span class="o">.</span><span class="n">walk</span><span class="p">()</span> +</span><span id="Node.walk-31"><a href="#Node.walk-31"><span class="linenos">31</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="Node.walk-32"><a href="#Node.walk-32"><span class="linenos">32</span></a> <span class="k">yield</span> <span class="n">d</span> +</span></pre></div> + + + + + </div> + <div id="Node.to_html" class="classattr"> + <input id="Node.to_html-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + + <span class="def">def</span> + <span class="name">to_html</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n"><a href="#LineageHTML">sqlglot.lineage.LineageHTML</a></span>:</span></span> + + <label class="view-source-button" for="Node.to_html-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Node.to_html"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Node.to_html-34"><a href="#Node.to_html-34"><span class="linenos">34</span></a> <span class="k">def</span> <span class="nf">to_html</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">LineageHTML</span><span class="p">:</span> +</span><span id="Node.to_html-35"><a href="#Node.to_html-35"><span class="linenos">35</span></a> <span class="k">return</span> <span class="n">LineageHTML</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span></pre></div> + + + + + </div> + </section> + <section id="lineage"> + <input id="lineage-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + + <span class="def">def</span> + <span class="name">lineage</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">column</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n"><a href="expressions.html#Column">sqlglot.expressions.Column</a></span>,</span><span class="param"> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">Dict</span><span class="p">,</span> <span class="n"><a href="schema.html#Schema">sqlglot.schema.Schema</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">sources</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span> <span class="o">|</span> <span class="n"><a href="expressions.html#Subqueryable">sqlglot.expressions.Subqueryable</a></span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">rules</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="o"><</span><span class="n">function</span> <span class="n">qualify_tables</span> <span class="n">at</span> <span class="mh">0x7ff75a9d9240</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">qualify_columns</span> <span class="n">at</span> <span class="mh">0x7ff75a9d8820</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">expand_laterals</span> <span class="n">at</span> <span class="mh">0x7ff75a9b2b90</span><span class="o">></span><span class="p">)</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n"><a href="#Node">sqlglot.lineage.Node</a></span>:</span></span> + + <label class="view-source-button" for="lineage-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#lineage"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="lineage-38"><a href="#lineage-38"><span class="linenos"> 38</span></a><span class="k">def</span> <span class="nf">lineage</span><span class="p">(</span> +</span><span id="lineage-39"><a href="#lineage-39"><span class="linenos"> 39</span></a> <span class="n">column</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> +</span><span id="lineage-40"><a href="#lineage-40"><span class="linenos"> 40</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> +</span><span id="lineage-41"><a href="#lineage-41"><span class="linenos"> 41</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">|</span> <span class="n">Schema</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="lineage-42"><a href="#lineage-42"><span class="linenos"> 42</span></a> <span class="n">sources</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="lineage-43"><a href="#lineage-43"><span class="linenos"> 43</span></a> <span class="n">rules</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="n">qualify_tables</span><span class="p">,</span> <span class="n">qualify_columns</span><span class="p">,</span> <span class="n">expand_laterals</span><span class="p">),</span> +</span><span id="lineage-44"><a href="#lineage-44"><span class="linenos"> 44</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="lineage-45"><a href="#lineage-45"><span class="linenos"> 45</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Node</span><span class="p">:</span> +</span><span id="lineage-46"><a href="#lineage-46"><span class="linenos"> 46</span></a><span class="w"> </span><span class="sd">"""Build the lineage graph for a column of a SQL query.</span> +</span><span id="lineage-47"><a href="#lineage-47"><span class="linenos"> 47</span></a> +</span><span id="lineage-48"><a href="#lineage-48"><span class="linenos"> 48</span></a><span class="sd"> Args:</span> +</span><span id="lineage-49"><a href="#lineage-49"><span class="linenos"> 49</span></a><span class="sd"> column: The column to build the lineage for.</span> +</span><span id="lineage-50"><a href="#lineage-50"><span class="linenos"> 50</span></a><span class="sd"> sql: The SQL string or expression.</span> +</span><span id="lineage-51"><a href="#lineage-51"><span class="linenos"> 51</span></a><span class="sd"> schema: The schema of tables.</span> +</span><span id="lineage-52"><a href="#lineage-52"><span class="linenos"> 52</span></a><span class="sd"> sources: A mapping of queries which will be used to continue building lineage.</span> +</span><span id="lineage-53"><a href="#lineage-53"><span class="linenos"> 53</span></a><span class="sd"> rules: Optimizer rules to apply, by default only qualifying tables and columns.</span> +</span><span id="lineage-54"><a href="#lineage-54"><span class="linenos"> 54</span></a><span class="sd"> dialect: The dialect of input SQL.</span> +</span><span id="lineage-55"><a href="#lineage-55"><span class="linenos"> 55</span></a> +</span><span id="lineage-56"><a href="#lineage-56"><span class="linenos"> 56</span></a><span class="sd"> Returns:</span> +</span><span id="lineage-57"><a href="#lineage-57"><span class="linenos"> 57</span></a><span class="sd"> A lineage node.</span> +</span><span id="lineage-58"><a href="#lineage-58"><span class="linenos"> 58</span></a><span class="sd"> """</span> +</span><span id="lineage-59"><a href="#lineage-59"><span class="linenos"> 59</span></a> +</span><span id="lineage-60"><a href="#lineage-60"><span class="linenos"> 60</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">maybe_parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="lineage-61"><a href="#lineage-61"><span class="linenos"> 61</span></a> +</span><span id="lineage-62"><a href="#lineage-62"><span class="linenos"> 62</span></a> <span class="k">if</span> <span class="n">sources</span><span class="p">:</span> +</span><span id="lineage-63"><a href="#lineage-63"><span class="linenos"> 63</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">expand</span><span class="p">(</span> +</span><span id="lineage-64"><a href="#lineage-64"><span class="linenos"> 64</span></a> <span class="n">expression</span><span class="p">,</span> +</span><span id="lineage-65"><a href="#lineage-65"><span class="linenos"> 65</span></a> <span class="p">{</span> +</span><span id="lineage-66"><a href="#lineage-66"><span class="linenos"> 66</span></a> <span class="n">k</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">,</span> <span class="n">maybe_parse</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">))</span> +</span><span id="lineage-67"><a href="#lineage-67"><span class="linenos"> 67</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">sources</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="lineage-68"><a href="#lineage-68"><span class="linenos"> 68</span></a> <span class="p">},</span> +</span><span id="lineage-69"><a href="#lineage-69"><span class="linenos"> 69</span></a> <span class="p">)</span> +</span><span id="lineage-70"><a href="#lineage-70"><span class="linenos"> 70</span></a> +</span><span id="lineage-71"><a href="#lineage-71"><span class="linenos"> 71</span></a> <span class="n">optimized</span> <span class="o">=</span> <span class="n">optimize</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">rules</span><span class="o">=</span><span class="n">rules</span><span class="p">)</span> +</span><span id="lineage-72"><a href="#lineage-72"><span class="linenos"> 72</span></a> <span class="n">scope</span> <span class="o">=</span> <span class="n">build_scope</span><span class="p">(</span><span class="n">optimized</span><span class="p">)</span> +</span><span id="lineage-73"><a href="#lineage-73"><span class="linenos"> 73</span></a> <span class="n">tables</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Node</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="lineage-74"><a href="#lineage-74"><span class="linenos"> 74</span></a> +</span><span id="lineage-75"><a href="#lineage-75"><span class="linenos"> 75</span></a> <span class="k">def</span> <span class="nf">to_node</span><span class="p">(</span> +</span><span id="lineage-76"><a href="#lineage-76"><span class="linenos"> 76</span></a> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="lineage-77"><a href="#lineage-77"><span class="linenos"> 77</span></a> <span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> +</span><span id="lineage-78"><a href="#lineage-78"><span class="linenos"> 78</span></a> <span class="n">scope_name</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="lineage-79"><a href="#lineage-79"><span class="linenos"> 79</span></a> <span class="n">upstream</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">Node</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="lineage-80"><a href="#lineage-80"><span class="linenos"> 80</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">Node</span><span class="p">:</span> +</span><span id="lineage-81"><a href="#lineage-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span><span class="p">):</span> +</span><span id="lineage-82"><a href="#lineage-82"><span class="linenos"> 82</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">union_scopes</span><span class="p">:</span> +</span><span id="lineage-83"><a href="#lineage-83"><span class="linenos"> 83</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">to_node</span><span class="p">(</span> +</span><span id="lineage-84"><a href="#lineage-84"><span class="linenos"> 84</span></a> <span class="n">column_name</span><span class="p">,</span> +</span><span id="lineage-85"><a href="#lineage-85"><span class="linenos"> 85</span></a> <span class="n">scope</span><span class="o">=</span><span class="n">scope</span><span class="p">,</span> +</span><span id="lineage-86"><a href="#lineage-86"><span class="linenos"> 86</span></a> <span class="n">scope_name</span><span class="o">=</span><span class="n">scope_name</span><span class="p">,</span> +</span><span id="lineage-87"><a href="#lineage-87"><span class="linenos"> 87</span></a> <span class="n">upstream</span><span class="o">=</span><span class="n">upstream</span><span class="p">,</span> +</span><span id="lineage-88"><a href="#lineage-88"><span class="linenos"> 88</span></a> <span class="p">)</span> +</span><span id="lineage-89"><a href="#lineage-89"><span class="linenos"> 89</span></a> <span class="k">return</span> <span class="n">node</span> +</span><span id="lineage-90"><a href="#lineage-90"><span class="linenos"> 90</span></a> +</span><span id="lineage-91"><a href="#lineage-91"><span class="linenos"> 91</span></a> <span class="n">select</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="n">select</span> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span> <span class="k">if</span> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="o">==</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="lineage-92"><a href="#lineage-92"><span class="linenos"> 92</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">optimize</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">rules</span><span class="o">=</span><span class="n">rules</span><span class="p">)</span> +</span><span id="lineage-93"><a href="#lineage-93"><span class="linenos"> 93</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">source</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="lineage-94"><a href="#lineage-94"><span class="linenos"> 94</span></a> +</span><span id="lineage-95"><a href="#lineage-95"><span class="linenos"> 95</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">Node</span><span class="p">(</span> +</span><span id="lineage-96"><a href="#lineage-96"><span class="linenos"> 96</span></a> <span class="n">name</span><span class="o">=</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">scope_name</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">column_name</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">scope_name</span> <span class="k">else</span> <span class="n">column_name</span><span class="p">,</span> +</span><span id="lineage-97"><a href="#lineage-97"><span class="linenos"> 97</span></a> <span class="n">source</span><span class="o">=</span><span class="n">source</span><span class="p">,</span> +</span><span id="lineage-98"><a href="#lineage-98"><span class="linenos"> 98</span></a> <span class="n">expression</span><span class="o">=</span><span class="n">select</span><span class="p">,</span> +</span><span id="lineage-99"><a href="#lineage-99"><span class="linenos"> 99</span></a> <span class="p">)</span> +</span><span id="lineage-100"><a href="#lineage-100"><span class="linenos">100</span></a> +</span><span id="lineage-101"><a href="#lineage-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="n">upstream</span><span class="p">:</span> +</span><span id="lineage-102"><a href="#lineage-102"><span class="linenos">102</span></a> <span class="n">upstream</span><span class="o">.</span><span class="n">downstream</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="lineage-103"><a href="#lineage-103"><span class="linenos">103</span></a> +</span><span id="lineage-104"><a href="#lineage-104"><span class="linenos">104</span></a> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="nb">set</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)):</span> +</span><span id="lineage-105"><a href="#lineage-105"><span class="linenos">105</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">c</span><span class="o">.</span><span class="n">table</span> +</span><span id="lineage-106"><a href="#lineage-106"><span class="linenos">106</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> +</span><span id="lineage-107"><a href="#lineage-107"><span class="linenos">107</span></a> +</span><span id="lineage-108"><a href="#lineage-108"><span class="linenos">108</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="lineage-109"><a href="#lineage-109"><span class="linenos">109</span></a> <span class="n">to_node</span><span class="p">(</span> +</span><span id="lineage-110"><a href="#lineage-110"><span class="linenos">110</span></a> <span class="n">c</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> +</span><span id="lineage-111"><a href="#lineage-111"><span class="linenos">111</span></a> <span class="n">scope</span><span class="o">=</span><span class="n">source</span><span class="p">,</span> +</span><span id="lineage-112"><a href="#lineage-112"><span class="linenos">112</span></a> <span class="n">scope_name</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> +</span><span id="lineage-113"><a href="#lineage-113"><span class="linenos">113</span></a> <span class="n">upstream</span><span class="o">=</span><span class="n">node</span><span class="p">,</span> +</span><span id="lineage-114"><a href="#lineage-114"><span class="linenos">114</span></a> <span class="p">)</span> +</span><span id="lineage-115"><a href="#lineage-115"><span class="linenos">115</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="lineage-116"><a href="#lineage-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> +</span><span id="lineage-117"><a href="#lineage-117"><span class="linenos">117</span></a> <span class="n">tables</span><span class="p">[</span><span class="n">table</span><span class="p">]</span> <span class="o">=</span> <span class="n">Node</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">source</span><span class="o">=</span><span class="n">source</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">source</span><span class="p">)</span> +</span><span id="lineage-118"><a href="#lineage-118"><span class="linenos">118</span></a> <span class="n">node</span><span class="o">.</span><span class="n">downstream</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">tables</span><span class="p">[</span><span class="n">table</span><span class="p">])</span> +</span><span id="lineage-119"><a href="#lineage-119"><span class="linenos">119</span></a> +</span><span id="lineage-120"><a href="#lineage-120"><span class="linenos">120</span></a> <span class="k">return</span> <span class="n">node</span> +</span><span id="lineage-121"><a href="#lineage-121"><span class="linenos">121</span></a> +</span><span id="lineage-122"><a href="#lineage-122"><span class="linenos">122</span></a> <span class="k">return</span> <span class="n">to_node</span><span class="p">(</span><span class="n">column</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">scope</span><span class="p">)</span> +</span></pre></div> + + + <div class="docstring"><p>Build the lineage graph for a column of a SQL query.</p> + +<h6 id="arguments">Arguments:</h6> + +<ul> +<li><strong>column:</strong> The column to build the lineage for.</li> +<li><strong>sql:</strong> The SQL string or expression.</li> +<li><strong>schema:</strong> The schema of tables.</li> +<li><strong>sources:</strong> A mapping of queries which will be used to continue building lineage.</li> +<li><strong>rules:</strong> Optimizer rules to apply, by default only qualifying tables and columns.</li> +<li><strong>dialect:</strong> The dialect of input SQL.</li> +</ul> + +<h6 id="returns">Returns:</h6> + +<blockquote> + <p>A lineage node.</p> +</blockquote> +</div> + + + </section> + <section id="LineageHTML"> + <input id="LineageHTML-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr class"> + + <span class="def">class</span> + <span class="name">LineageHTML</span>: + + <label class="view-source-button" for="LineageHTML-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#LineageHTML"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="LineageHTML-125"><a href="#LineageHTML-125"><span class="linenos">125</span></a><span class="k">class</span> <span class="nc">LineageHTML</span><span class="p">:</span> +</span><span id="LineageHTML-126"><a href="#LineageHTML-126"><span class="linenos">126</span></a><span class="w"> </span><span class="sd">"""Node to HTML generator using vis.js.</span> +</span><span id="LineageHTML-127"><a href="#LineageHTML-127"><span class="linenos">127</span></a> +</span><span id="LineageHTML-128"><a href="#LineageHTML-128"><span class="linenos">128</span></a><span class="sd"> https://visjs.github.io/vis-network/docs/network/</span> +</span><span id="LineageHTML-129"><a href="#LineageHTML-129"><span class="linenos">129</span></a><span class="sd"> """</span> +</span><span id="LineageHTML-130"><a href="#LineageHTML-130"><span class="linenos">130</span></a> +</span><span id="LineageHTML-131"><a href="#LineageHTML-131"><span class="linenos">131</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="LineageHTML-132"><a href="#LineageHTML-132"><span class="linenos">132</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="LineageHTML-133"><a href="#LineageHTML-133"><span class="linenos">133</span></a> <span class="n">node</span><span class="p">:</span> <span class="n">Node</span><span class="p">,</span> +</span><span id="LineageHTML-134"><a href="#LineageHTML-134"><span class="linenos">134</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="LineageHTML-135"><a href="#LineageHTML-135"><span class="linenos">135</span></a> <span class="n">imports</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="LineageHTML-136"><a href="#LineageHTML-136"><span class="linenos">136</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> +</span><span id="LineageHTML-137"><a href="#LineageHTML-137"><span class="linenos">137</span></a> <span class="p">):</span> +</span><span id="LineageHTML-138"><a href="#LineageHTML-138"><span class="linenos">138</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">node</span> <span class="o">=</span> <span class="n">node</span> +</span><span id="LineageHTML-139"><a href="#LineageHTML-139"><span class="linenos">139</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">imports</span> <span class="o">=</span> <span class="n">imports</span> +</span><span id="LineageHTML-140"><a href="#LineageHTML-140"><span class="linenos">140</span></a> +</span><span id="LineageHTML-141"><a href="#LineageHTML-141"><span class="linenos">141</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">options</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="LineageHTML-142"><a href="#LineageHTML-142"><span class="linenos">142</span></a> <span class="s2">"height"</span><span class="p">:</span> <span class="s2">"500px"</span><span class="p">,</span> +</span><span id="LineageHTML-143"><a href="#LineageHTML-143"><span class="linenos">143</span></a> <span class="s2">"width"</span><span class="p">:</span> <span class="s2">"100%"</span><span class="p">,</span> +</span><span id="LineageHTML-144"><a href="#LineageHTML-144"><span class="linenos">144</span></a> <span class="s2">"layout"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-145"><a href="#LineageHTML-145"><span class="linenos">145</span></a> <span class="s2">"hierarchical"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-146"><a href="#LineageHTML-146"><span class="linenos">146</span></a> <span class="s2">"enabled"</span><span class="p">:</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="LineageHTML-147"><a href="#LineageHTML-147"><span class="linenos">147</span></a> <span class="s2">"nodeSpacing"</span><span class="p">:</span> <span class="mi">200</span><span class="p">,</span> +</span><span id="LineageHTML-148"><a href="#LineageHTML-148"><span class="linenos">148</span></a> <span class="s2">"sortMethod"</span><span class="p">:</span> <span class="s2">"directed"</span><span class="p">,</span> +</span><span id="LineageHTML-149"><a href="#LineageHTML-149"><span class="linenos">149</span></a> <span class="p">},</span> +</span><span id="LineageHTML-150"><a href="#LineageHTML-150"><span class="linenos">150</span></a> <span class="p">},</span> +</span><span id="LineageHTML-151"><a href="#LineageHTML-151"><span class="linenos">151</span></a> <span class="s2">"interaction"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-152"><a href="#LineageHTML-152"><span class="linenos">152</span></a> <span class="s2">"dragNodes"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML-153"><a href="#LineageHTML-153"><span class="linenos">153</span></a> <span class="s2">"selectable"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML-154"><a href="#LineageHTML-154"><span class="linenos">154</span></a> <span class="p">},</span> +</span><span id="LineageHTML-155"><a href="#LineageHTML-155"><span class="linenos">155</span></a> <span class="s2">"physics"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-156"><a href="#LineageHTML-156"><span class="linenos">156</span></a> <span class="s2">"enabled"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML-157"><a href="#LineageHTML-157"><span class="linenos">157</span></a> <span class="p">},</span> +</span><span id="LineageHTML-158"><a href="#LineageHTML-158"><span class="linenos">158</span></a> <span class="s2">"edges"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-159"><a href="#LineageHTML-159"><span class="linenos">159</span></a> <span class="s2">"arrows"</span><span class="p">:</span> <span class="s2">"to"</span><span class="p">,</span> +</span><span id="LineageHTML-160"><a href="#LineageHTML-160"><span class="linenos">160</span></a> <span class="p">},</span> +</span><span id="LineageHTML-161"><a href="#LineageHTML-161"><span class="linenos">161</span></a> <span class="s2">"nodes"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-162"><a href="#LineageHTML-162"><span class="linenos">162</span></a> <span class="s2">"font"</span><span class="p">:</span> <span class="s2">"20px monaco"</span><span class="p">,</span> +</span><span id="LineageHTML-163"><a href="#LineageHTML-163"><span class="linenos">163</span></a> <span class="s2">"shape"</span><span class="p">:</span> <span class="s2">"box"</span><span class="p">,</span> +</span><span id="LineageHTML-164"><a href="#LineageHTML-164"><span class="linenos">164</span></a> <span class="s2">"widthConstraint"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML-165"><a href="#LineageHTML-165"><span class="linenos">165</span></a> <span class="s2">"maximum"</span><span class="p">:</span> <span class="mi">300</span><span class="p">,</span> +</span><span id="LineageHTML-166"><a href="#LineageHTML-166"><span class="linenos">166</span></a> <span class="p">},</span> +</span><span id="LineageHTML-167"><a href="#LineageHTML-167"><span class="linenos">167</span></a> <span class="p">},</span> +</span><span id="LineageHTML-168"><a href="#LineageHTML-168"><span class="linenos">168</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="LineageHTML-169"><a href="#LineageHTML-169"><span class="linenos">169</span></a> <span class="p">}</span> +</span><span id="LineageHTML-170"><a href="#LineageHTML-170"><span class="linenos">170</span></a> +</span><span id="LineageHTML-171"><a href="#LineageHTML-171"><span class="linenos">171</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="LineageHTML-172"><a href="#LineageHTML-172"><span class="linenos">172</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="LineageHTML-173"><a href="#LineageHTML-173"><span class="linenos">173</span></a> +</span><span id="LineageHTML-174"><a href="#LineageHTML-174"><span class="linenos">174</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="LineageHTML-175"><a href="#LineageHTML-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="LineageHTML-176"><a href="#LineageHTML-176"><span class="linenos">176</span></a> <span class="n">label</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"FROM </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span><span id="LineageHTML-177"><a href="#LineageHTML-177"><span class="linenos">177</span></a> <span class="n">title</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"<pre>SELECT </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2"> FROM </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2"></pre>"</span> +</span><span id="LineageHTML-178"><a href="#LineageHTML-178"><span class="linenos">178</span></a> <span class="n">group</span> <span class="o">=</span> <span class="mi">1</span> +</span><span id="LineageHTML-179"><a href="#LineageHTML-179"><span class="linenos">179</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="LineageHTML-180"><a href="#LineageHTML-180"><span class="linenos">180</span></a> <span class="n">label</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="LineageHTML-181"><a href="#LineageHTML-181"><span class="linenos">181</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="LineageHTML-182"><a href="#LineageHTML-182"><span class="linenos">182</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">Tag</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">n</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">"<b>"</span><span class="p">,</span> <span class="n">postfix</span><span class="o">=</span><span class="s2">"</b>"</span><span class="p">)</span> +</span><span id="LineageHTML-183"><a href="#LineageHTML-183"><span class="linenos">183</span></a> <span class="k">if</span> <span class="n">n</span> <span class="ow">is</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span> +</span><span id="LineageHTML-184"><a href="#LineageHTML-184"><span class="linenos">184</span></a> <span class="k">else</span> <span class="n">n</span><span class="p">,</span> +</span><span id="LineageHTML-185"><a href="#LineageHTML-185"><span class="linenos">185</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML-186"><a href="#LineageHTML-186"><span class="linenos">186</span></a> <span class="p">)</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="LineageHTML-187"><a href="#LineageHTML-187"><span class="linenos">187</span></a> <span class="n">title</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"<pre></span><span class="si">{</span><span class="n">source</span><span class="si">}</span><span class="s2"></pre>"</span> +</span><span id="LineageHTML-188"><a href="#LineageHTML-188"><span class="linenos">188</span></a> <span class="n">group</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="LineageHTML-189"><a href="#LineageHTML-189"><span class="linenos">189</span></a> +</span><span id="LineageHTML-190"><a href="#LineageHTML-190"><span class="linenos">190</span></a> <span class="n">node_id</span> <span class="o">=</span> <span class="nb">id</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="LineageHTML-191"><a href="#LineageHTML-191"><span class="linenos">191</span></a> +</span><span id="LineageHTML-192"><a href="#LineageHTML-192"><span class="linenos">192</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">nodes</span><span class="p">[</span><span class="n">node_id</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="LineageHTML-193"><a href="#LineageHTML-193"><span class="linenos">193</span></a> <span class="s2">"id"</span><span class="p">:</span> <span class="n">node_id</span><span class="p">,</span> +</span><span id="LineageHTML-194"><a href="#LineageHTML-194"><span class="linenos">194</span></a> <span class="s2">"label"</span><span class="p">:</span> <span class="n">label</span><span class="p">,</span> +</span><span id="LineageHTML-195"><a href="#LineageHTML-195"><span class="linenos">195</span></a> <span class="s2">"title"</span><span class="p">:</span> <span class="n">title</span><span class="p">,</span> +</span><span id="LineageHTML-196"><a href="#LineageHTML-196"><span class="linenos">196</span></a> <span class="s2">"group"</span><span class="p">:</span> <span class="n">group</span><span class="p">,</span> +</span><span id="LineageHTML-197"><a href="#LineageHTML-197"><span class="linenos">197</span></a> <span class="p">}</span> +</span><span id="LineageHTML-198"><a href="#LineageHTML-198"><span class="linenos">198</span></a> +</span><span id="LineageHTML-199"><a href="#LineageHTML-199"><span class="linenos">199</span></a> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">downstream</span><span class="p">:</span> +</span><span id="LineageHTML-200"><a href="#LineageHTML-200"><span class="linenos">200</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="o">.</span><span class="n">append</span><span class="p">({</span><span class="s2">"from"</span><span class="p">:</span> <span class="n">node_id</span><span class="p">,</span> <span class="s2">"to"</span><span class="p">:</span> <span class="nb">id</span><span class="p">(</span><span class="n">d</span><span class="p">)})</span> +</span><span id="LineageHTML-201"><a href="#LineageHTML-201"><span class="linenos">201</span></a> +</span><span id="LineageHTML-202"><a href="#LineageHTML-202"><span class="linenos">202</span></a> <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="LineageHTML-203"><a href="#LineageHTML-203"><span class="linenos">203</span></a> <span class="n">nodes</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nodes</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span> +</span><span id="LineageHTML-204"><a href="#LineageHTML-204"><span class="linenos">204</span></a> <span class="n">edges</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="p">)</span> +</span><span id="LineageHTML-205"><a href="#LineageHTML-205"><span class="linenos">205</span></a> <span class="n">options</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">options</span><span class="p">)</span> +</span><span id="LineageHTML-206"><a href="#LineageHTML-206"><span class="linenos">206</span></a> <span class="n">imports</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="LineageHTML-207"><a href="#LineageHTML-207"><span class="linenos">207</span></a><span class="w"> </span><span class="sd">"""<script type="text/javascript" src="https://unpkg.com/vis-data@latest/peer/umd/vis-data.min.js"></script></span> +</span><span id="LineageHTML-208"><a href="#LineageHTML-208"><span class="linenos">208</span></a><span class="sd"> <script type="text/javascript" src="https://unpkg.com/vis-network@latest/peer/umd/vis-network.min.js"></script></span> +</span><span id="LineageHTML-209"><a href="#LineageHTML-209"><span class="linenos">209</span></a><span class="sd"> <link rel="stylesheet" type="text/css" href="https://unpkg.com/vis-network/styles/vis-network.min.css" />"""</span> +</span><span id="LineageHTML-210"><a href="#LineageHTML-210"><span class="linenos">210</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">imports</span> +</span><span id="LineageHTML-211"><a href="#LineageHTML-211"><span class="linenos">211</span></a> <span class="k">else</span> <span class="s2">""</span> +</span><span id="LineageHTML-212"><a href="#LineageHTML-212"><span class="linenos">212</span></a> <span class="p">)</span> +</span><span id="LineageHTML-213"><a href="#LineageHTML-213"><span class="linenos">213</span></a> +</span><span id="LineageHTML-214"><a href="#LineageHTML-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"""<div></span> +</span><span id="LineageHTML-215"><a href="#LineageHTML-215"><span class="linenos">215</span></a><span class="s2"> <div id="sqlglot-lineage"></div></span> +</span><span id="LineageHTML-216"><a href="#LineageHTML-216"><span class="linenos">216</span></a><span class="s2"> </span><span class="si">{</span><span class="n">imports</span><span class="si">}</span> +</span><span id="LineageHTML-217"><a href="#LineageHTML-217"><span class="linenos">217</span></a><span class="s2"> <script type="text/javascript"></span> +</span><span id="LineageHTML-218"><a href="#LineageHTML-218"><span class="linenos">218</span></a><span class="s2"> var nodes = new vis.DataSet(</span><span class="si">{</span><span class="n">nodes</span><span class="si">}</span><span class="s2">)</span> +</span><span id="LineageHTML-219"><a href="#LineageHTML-219"><span class="linenos">219</span></a><span class="s2"> nodes.forEach(row => row["title"] = new DOMParser().parseFromString(row["title"], "text/html").body.childNodes[0])</span> +</span><span id="LineageHTML-220"><a href="#LineageHTML-220"><span class="linenos">220</span></a> +</span><span id="LineageHTML-221"><a href="#LineageHTML-221"><span class="linenos">221</span></a><span class="s2"> new vis.Network(</span> +</span><span id="LineageHTML-222"><a href="#LineageHTML-222"><span class="linenos">222</span></a><span class="s2"> document.getElementById("sqlglot-lineage"),</span> +</span><span id="LineageHTML-223"><a href="#LineageHTML-223"><span class="linenos">223</span></a><span class="s2"> </span><span class="se">{{</span> +</span><span id="LineageHTML-224"><a href="#LineageHTML-224"><span class="linenos">224</span></a><span class="s2"> nodes: nodes,</span> +</span><span id="LineageHTML-225"><a href="#LineageHTML-225"><span class="linenos">225</span></a><span class="s2"> edges: new vis.DataSet(</span><span class="si">{</span><span class="n">edges</span><span class="si">}</span><span class="s2">)</span> +</span><span id="LineageHTML-226"><a href="#LineageHTML-226"><span class="linenos">226</span></a><span class="s2"> </span><span class="se">}}</span><span class="s2">,</span> +</span><span id="LineageHTML-227"><a href="#LineageHTML-227"><span class="linenos">227</span></a><span class="s2"> </span><span class="si">{</span><span class="n">options</span><span class="si">}</span><span class="s2">,</span> +</span><span id="LineageHTML-228"><a href="#LineageHTML-228"><span class="linenos">228</span></a><span class="s2"> )</span> +</span><span id="LineageHTML-229"><a href="#LineageHTML-229"><span class="linenos">229</span></a><span class="s2"> </script></span> +</span><span id="LineageHTML-230"><a href="#LineageHTML-230"><span class="linenos">230</span></a><span class="s2"></div>"""</span> +</span><span id="LineageHTML-231"><a href="#LineageHTML-231"><span class="linenos">231</span></a> +</span><span id="LineageHTML-232"><a href="#LineageHTML-232"><span class="linenos">232</span></a> <span class="k">def</span> <span class="nf">_repr_html_</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="LineageHTML-233"><a href="#LineageHTML-233"><span class="linenos">233</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="fm">__str__</span><span class="p">()</span> +</span></pre></div> + + + <div class="docstring"><p>Node to HTML generator using vis.js.</p> + +<p><a href="https://visjs.github.io/vis-network/docs/network/">https://visjs.github.io/vis-network/docs/network/</a></p> +</div> + + + <div id="LineageHTML.__init__" class="classattr"> + <input id="LineageHTML.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + + <span class="name">LineageHTML</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">node</span><span class="p">:</span> <span class="n"><a href="#Node">sqlglot.lineage.Node</a></span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">imports</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span>,</span><span class="param"> <span class="o">**</span><span class="n">opts</span><span class="p">:</span> <span class="n">Any</span></span>)</span> + + <label class="view-source-button" for="LineageHTML.__init__-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#LineageHTML.__init__"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="LineageHTML.__init__-131"><a href="#LineageHTML.__init__-131"><span class="linenos">131</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span> +</span><span id="LineageHTML.__init__-132"><a href="#LineageHTML.__init__-132"><span class="linenos">132</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-133"><a href="#LineageHTML.__init__-133"><span class="linenos">133</span></a> <span class="n">node</span><span class="p">:</span> <span class="n">Node</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-134"><a href="#LineageHTML.__init__-134"><span class="linenos">134</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-135"><a href="#LineageHTML.__init__-135"><span class="linenos">135</span></a> <span class="n">imports</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-136"><a href="#LineageHTML.__init__-136"><span class="linenos">136</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-137"><a href="#LineageHTML.__init__-137"><span class="linenos">137</span></a> <span class="p">):</span> +</span><span id="LineageHTML.__init__-138"><a href="#LineageHTML.__init__-138"><span class="linenos">138</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">node</span> <span class="o">=</span> <span class="n">node</span> +</span><span id="LineageHTML.__init__-139"><a href="#LineageHTML.__init__-139"><span class="linenos">139</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">imports</span> <span class="o">=</span> <span class="n">imports</span> +</span><span id="LineageHTML.__init__-140"><a href="#LineageHTML.__init__-140"><span class="linenos">140</span></a> +</span><span id="LineageHTML.__init__-141"><a href="#LineageHTML.__init__-141"><span class="linenos">141</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">options</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-142"><a href="#LineageHTML.__init__-142"><span class="linenos">142</span></a> <span class="s2">"height"</span><span class="p">:</span> <span class="s2">"500px"</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-143"><a href="#LineageHTML.__init__-143"><span class="linenos">143</span></a> <span class="s2">"width"</span><span class="p">:</span> <span class="s2">"100%"</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-144"><a href="#LineageHTML.__init__-144"><span class="linenos">144</span></a> <span class="s2">"layout"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-145"><a href="#LineageHTML.__init__-145"><span class="linenos">145</span></a> <span class="s2">"hierarchical"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-146"><a href="#LineageHTML.__init__-146"><span class="linenos">146</span></a> <span class="s2">"enabled"</span><span class="p">:</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-147"><a href="#LineageHTML.__init__-147"><span class="linenos">147</span></a> <span class="s2">"nodeSpacing"</span><span class="p">:</span> <span class="mi">200</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-148"><a href="#LineageHTML.__init__-148"><span class="linenos">148</span></a> <span class="s2">"sortMethod"</span><span class="p">:</span> <span class="s2">"directed"</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-149"><a href="#LineageHTML.__init__-149"><span class="linenos">149</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-150"><a href="#LineageHTML.__init__-150"><span class="linenos">150</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-151"><a href="#LineageHTML.__init__-151"><span class="linenos">151</span></a> <span class="s2">"interaction"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-152"><a href="#LineageHTML.__init__-152"><span class="linenos">152</span></a> <span class="s2">"dragNodes"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-153"><a href="#LineageHTML.__init__-153"><span class="linenos">153</span></a> <span class="s2">"selectable"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-154"><a href="#LineageHTML.__init__-154"><span class="linenos">154</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-155"><a href="#LineageHTML.__init__-155"><span class="linenos">155</span></a> <span class="s2">"physics"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-156"><a href="#LineageHTML.__init__-156"><span class="linenos">156</span></a> <span class="s2">"enabled"</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-157"><a href="#LineageHTML.__init__-157"><span class="linenos">157</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-158"><a href="#LineageHTML.__init__-158"><span class="linenos">158</span></a> <span class="s2">"edges"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-159"><a href="#LineageHTML.__init__-159"><span class="linenos">159</span></a> <span class="s2">"arrows"</span><span class="p">:</span> <span class="s2">"to"</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-160"><a href="#LineageHTML.__init__-160"><span class="linenos">160</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-161"><a href="#LineageHTML.__init__-161"><span class="linenos">161</span></a> <span class="s2">"nodes"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-162"><a href="#LineageHTML.__init__-162"><span class="linenos">162</span></a> <span class="s2">"font"</span><span class="p">:</span> <span class="s2">"20px monaco"</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-163"><a href="#LineageHTML.__init__-163"><span class="linenos">163</span></a> <span class="s2">"shape"</span><span class="p">:</span> <span class="s2">"box"</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-164"><a href="#LineageHTML.__init__-164"><span class="linenos">164</span></a> <span class="s2">"widthConstraint"</span><span class="p">:</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-165"><a href="#LineageHTML.__init__-165"><span class="linenos">165</span></a> <span class="s2">"maximum"</span><span class="p">:</span> <span class="mi">300</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-166"><a href="#LineageHTML.__init__-166"><span class="linenos">166</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-167"><a href="#LineageHTML.__init__-167"><span class="linenos">167</span></a> <span class="p">},</span> +</span><span id="LineageHTML.__init__-168"><a href="#LineageHTML.__init__-168"><span class="linenos">168</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-169"><a href="#LineageHTML.__init__-169"><span class="linenos">169</span></a> <span class="p">}</span> +</span><span id="LineageHTML.__init__-170"><a href="#LineageHTML.__init__-170"><span class="linenos">170</span></a> +</span><span id="LineageHTML.__init__-171"><a href="#LineageHTML.__init__-171"><span class="linenos">171</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">nodes</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="LineageHTML.__init__-172"><a href="#LineageHTML.__init__-172"><span class="linenos">172</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="LineageHTML.__init__-173"><a href="#LineageHTML.__init__-173"><span class="linenos">173</span></a> +</span><span id="LineageHTML.__init__-174"><a href="#LineageHTML.__init__-174"><span class="linenos">174</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="LineageHTML.__init__-175"><a href="#LineageHTML.__init__-175"><span class="linenos">175</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="LineageHTML.__init__-176"><a href="#LineageHTML.__init__-176"><span class="linenos">176</span></a> <span class="n">label</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"FROM </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span><span id="LineageHTML.__init__-177"><a href="#LineageHTML.__init__-177"><span class="linenos">177</span></a> <span class="n">title</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"<pre>SELECT </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2"> FROM </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="si">}</span><span class="s2"></pre>"</span> +</span><span id="LineageHTML.__init__-178"><a href="#LineageHTML.__init__-178"><span class="linenos">178</span></a> <span class="n">group</span> <span class="o">=</span> <span class="mi">1</span> +</span><span id="LineageHTML.__init__-179"><a href="#LineageHTML.__init__-179"><span class="linenos">179</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="LineageHTML.__init__-180"><a href="#LineageHTML.__init__-180"><span class="linenos">180</span></a> <span class="n">label</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="LineageHTML.__init__-181"><a href="#LineageHTML.__init__-181"><span class="linenos">181</span></a> <span class="n">source</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">source</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="LineageHTML.__init__-182"><a href="#LineageHTML.__init__-182"><span class="linenos">182</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">Tag</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">n</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">"<b>"</span><span class="p">,</span> <span class="n">postfix</span><span class="o">=</span><span class="s2">"</b>"</span><span class="p">)</span> +</span><span id="LineageHTML.__init__-183"><a href="#LineageHTML.__init__-183"><span class="linenos">183</span></a> <span class="k">if</span> <span class="n">n</span> <span class="ow">is</span> <span class="n">node</span><span class="o">.</span><span class="n">expression</span> +</span><span id="LineageHTML.__init__-184"><a href="#LineageHTML.__init__-184"><span class="linenos">184</span></a> <span class="k">else</span> <span class="n">n</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-185"><a href="#LineageHTML.__init__-185"><span class="linenos">185</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-186"><a href="#LineageHTML.__init__-186"><span class="linenos">186</span></a> <span class="p">)</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="LineageHTML.__init__-187"><a href="#LineageHTML.__init__-187"><span class="linenos">187</span></a> <span class="n">title</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"<pre></span><span class="si">{</span><span class="n">source</span><span class="si">}</span><span class="s2"></pre>"</span> +</span><span id="LineageHTML.__init__-188"><a href="#LineageHTML.__init__-188"><span class="linenos">188</span></a> <span class="n">group</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="LineageHTML.__init__-189"><a href="#LineageHTML.__init__-189"><span class="linenos">189</span></a> +</span><span id="LineageHTML.__init__-190"><a href="#LineageHTML.__init__-190"><span class="linenos">190</span></a> <span class="n">node_id</span> <span class="o">=</span> <span class="nb">id</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="LineageHTML.__init__-191"><a href="#LineageHTML.__init__-191"><span class="linenos">191</span></a> +</span><span id="LineageHTML.__init__-192"><a href="#LineageHTML.__init__-192"><span class="linenos">192</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">nodes</span><span class="p">[</span><span class="n">node_id</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="LineageHTML.__init__-193"><a href="#LineageHTML.__init__-193"><span class="linenos">193</span></a> <span class="s2">"id"</span><span class="p">:</span> <span class="n">node_id</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-194"><a href="#LineageHTML.__init__-194"><span class="linenos">194</span></a> <span class="s2">"label"</span><span class="p">:</span> <span class="n">label</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-195"><a href="#LineageHTML.__init__-195"><span class="linenos">195</span></a> <span class="s2">"title"</span><span class="p">:</span> <span class="n">title</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-196"><a href="#LineageHTML.__init__-196"><span class="linenos">196</span></a> <span class="s2">"group"</span><span class="p">:</span> <span class="n">group</span><span class="p">,</span> +</span><span id="LineageHTML.__init__-197"><a href="#LineageHTML.__init__-197"><span class="linenos">197</span></a> <span class="p">}</span> +</span><span id="LineageHTML.__init__-198"><a href="#LineageHTML.__init__-198"><span class="linenos">198</span></a> +</span><span id="LineageHTML.__init__-199"><a href="#LineageHTML.__init__-199"><span class="linenos">199</span></a> <span class="k">for</span> <span class="n">d</span> <span class="ow">in</span> <span class="n">node</span><span class="o">.</span><span class="n">downstream</span><span class="p">:</span> +</span><span id="LineageHTML.__init__-200"><a href="#LineageHTML.__init__-200"><span class="linenos">200</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">edges</span><span class="o">.</span><span class="n">append</span><span class="p">({</span><span class="s2">"from"</span><span class="p">:</span> <span class="n">node_id</span><span class="p">,</span> <span class="s2">"to"</span><span class="p">:</span> <span class="nb">id</span><span class="p">(</span><span class="n">d</span><span class="p">)})</span> +</span></pre></div> + + + + + </div> + </section> + </main> +<script> + function escapeHTML(html) { + return document.createElement('div').appendChild(document.createTextNode(html)).parentNode.innerHTML; + } + + const originalContent = document.querySelector("main.pdoc"); + let currentContent = originalContent; + + function setContent(innerHTML) { + let elem; + if (innerHTML) { + elem = document.createElement("main"); + elem.classList.add("pdoc"); + elem.innerHTML = innerHTML; + } else { + elem = originalContent; + } + if (currentContent !== elem) { + currentContent.replaceWith(elem); + currentContent = elem; + } + } + + function getSearchTerm() { + return (new URL(window.location)).searchParams.get("search"); + } + + const searchBox = document.querySelector(".pdoc input[type=search]"); + searchBox.addEventListener("input", function () { + let url = new URL(window.location); + if (searchBox.value.trim()) { + url.hash = ""; + url.searchParams.set("search", searchBox.value); + } else { + url.searchParams.delete("search"); + } + history.replaceState("", "", url.toString()); + onInput(); + }); + window.addEventListener("popstate", onInput); + + + let search, searchErr; + + async function initialize() { + try { + search = await new Promise((resolve, reject) => { + const script = document.createElement("script"); + script.type = "text/javascript"; + script.async = true; + script.onload = () => resolve(window.pdocSearch); + script.onerror = (e) => reject(e); + script.src = "../search.js"; + document.getElementsByTagName("head")[0].appendChild(script); + }); + } catch (e) { + console.error("Cannot fetch pdoc search index"); + searchErr = "Cannot fetch search index."; + } + onInput(); + + document.querySelector("nav.pdoc").addEventListener("click", e => { + if (e.target.hash) { + searchBox.value = ""; + searchBox.dispatchEvent(new Event("input")); + } + }); + } + + function onInput() { + setContent((() => { + const term = getSearchTerm(); + if (!term) { + return null + } + if (searchErr) { + return `<h3>Error: ${searchErr}</h3>` + } + if (!search) { + return "<h3>Searching...</h3>" + } + + window.scrollTo({top: 0, left: 0, behavior: 'auto'}); + + const results = search(term); + + let html; + if (results.length === 0) { + html = `No search results for '${escapeHTML(term)}'.` + } else { + html = `<h4>${results.length} search result${results.length > 1 ? "s" : ""} for '${escapeHTML(term)}'.</h4>`; + } + for (let result of results.slice(0, 10)) { + let doc = result.doc; + let url = `../${doc.modulename.replaceAll(".", "/")}.html`; + if (doc.qualname) { + url += `#${doc.qualname}`; + } + + let heading; + switch (result.doc.kind) { + case "function": + if (doc.fullname.endsWith(".__init__")) { + heading = `<span class="name">${doc.fullname.replace(/\.__init__$/, "")}</span>${doc.signature}`; + } else { + heading = `<span class="def">${doc.funcdef}</span> <span class="name">${doc.fullname}</span>${doc.signature}`; + } + break; + case "class": + heading = `<span class="def">class</span> <span class="name">${doc.fullname}</span>`; + if (doc.bases) + heading += `<wbr>(<span class="base">${doc.bases}</span>)`; + heading += `:`; + break; + case "variable": + heading = `<span class="name">${doc.fullname}</span>`; + if (doc.annotation) + heading += `<span class="annotation">${doc.annotation}</span>`; + if (doc.default_value) + heading += `<span class="default_value">${doc.default_value}</span>`; + break; + default: + heading = `<span class="name">${doc.fullname}</span>`; + break; + } + html += ` + <section class="search-result"> + <a href="${url}" class="attr ${doc.kind}">${heading}</a> + <div class="docstring">${doc.doc}</div> + </section> + `; + + } + return html; + })()); + } + + if (getSearchTerm()) { + initialize(); + searchBox.value = getSearchTerm(); + onInput(); + } else { + searchBox.addEventListener("focus", initialize, {once: true}); + } + + searchBox.addEventListener("keydown", e => { + if (["ArrowDown", "ArrowUp", "Enter"].includes(e.key)) { + let focused = currentContent.querySelector(".search-result.focused"); + if (!focused) { + currentContent.querySelector(".search-result").classList.add("focused"); + } else if ( + e.key === "ArrowDown" + && focused.nextElementSibling + && focused.nextElementSibling.classList.contains("search-result") + ) { + focused.classList.remove("focused"); + focused.nextElementSibling.classList.add("focused"); + focused.nextElementSibling.scrollIntoView({ + behavior: "smooth", + block: "nearest", + inline: "nearest" + }); + } else if ( + e.key === "ArrowUp" + && focused.previousElementSibling + && focused.previousElementSibling.classList.contains("search-result") + ) { + focused.classList.remove("focused"); + focused.previousElementSibling.classList.add("focused"); + focused.previousElementSibling.scrollIntoView({ + behavior: "smooth", + block: "nearest", + inline: "nearest" + }); + } else if ( + e.key === "Enter" + ) { + focused.querySelector("a").click(); + } + } + }); +</script></body> +</html>
\ No newline at end of file |