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href="#Redshift.Tokenizer">Redshift.Tokenizer</a> + <ul class="memberlist"> + </ul> + + </li> + <li> + <a class="class" href="#Redshift.Generator">Redshift.Generator</a> + <ul class="memberlist"> + <li> + <a class="function" href="#Redshift.Generator.values_sql">values_sql</a> + </li> + <li> + <a class="function" href="#Redshift.Generator.with_properties">with_properties</a> + </li> + <li> + <a class="function" href="#Redshift.Generator.renametable_sql">renametable_sql</a> + </li> + <li> + <a class="function" href="#Redshift.Generator.datatype_sql">datatype_sql</a> + </li> + </ul> + + </li> + </ul> + + </li> + </ul> + + + <footer>Copyright (c) 2023 Toby Mao</footer> + + <a class="attribution" title="pdoc: Python API documentation generator" href="https://pdoc.dev" target="_blank"> + built with <span class="visually-hidden">pdoc</span><img + alt="pdoc logo" + 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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/dialects/redshift.py">Edit on GitHub</a> + <h1 class="modulename"> +<a href="./../../sqlglot.html">sqlglot</a><wbr>.<a href="./../dialects.html">dialects</a><wbr>.redshift </h1> + + + <input id="mod-redshift-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> + + <label class="view-source-button" for="mod-redshift-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">typing</span> <span class="k">as</span> <span class="nn">t</span> +</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a> +</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">exp</span><span class="p">,</span> <span class="n">transforms</span> +</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.dialect</span> <span class="kn">import</span> <span class="n">rename_func</span> +</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.postgres</span> <span class="kn">import</span> <span class="n">Postgres</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.tokens</span> <span class="kn">import</span> <span class="n">TokenType</span> +</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a> +</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="k">class</span> <span class="nc">Redshift</span><span class="p">(</span><span class="n">Postgres</span><span class="p">):</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="s2">"'YYYY-MM-DD HH:MI:SS'"</span> +</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> <span class="n">time_mapping</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> +</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> +</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="p">}</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> +</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> +</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="s2">"DECODE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Matches</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="s2">"NVL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="p">}</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span><span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">)</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="p">):</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">)])</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="s2">"ENCODE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ENCODE</span><span class="p">,</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="s2">"GEOMETRY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOMETRY</span><span class="p">,</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="s2">"GEOGRAPHY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOGRAPHY</span><span class="p">,</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="s2">"TIME"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="s2">"TIMETZ"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">,</span> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="p">}</span> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="p">}</span> +</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">PROPERTIES_LOCATION</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LikeProperty</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="o">.</span><span class="n">Location</span><span class="o">.</span><span class="n">POST_SCHEMA_WITH</span><span class="p">,</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="p">}</span> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="o">**</span><span class="n">transforms</span><span class="o">.</span><span class="n">ELIMINATE_DISTINCT_ON</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Matches</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"DECODE"</span><span class="p">),</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="p">}</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a><span class="sd"> very slow.</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a><span class="sd"> """</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="p">]</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">subquery_expression</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-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">def</span> <span class="nf">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a><span class="sd"> """</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + </section> + <section id="Redshift"> + <input id="Redshift-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">Redshift</span><wbr>(<span class="base"><a href="postgres.html#Postgres">sqlglot.dialects.postgres.Postgres</a></span>): + + <label class="view-source-button" for="Redshift-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift-12"><a href="#Redshift-12"><span class="linenos"> 12</span></a><span class="k">class</span> <span class="nc">Redshift</span><span class="p">(</span><span class="n">Postgres</span><span class="p">):</span> +</span><span id="Redshift-13"><a href="#Redshift-13"><span class="linenos"> 13</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="s2">"'YYYY-MM-DD HH:MI:SS'"</span> +</span><span id="Redshift-14"><a href="#Redshift-14"><span class="linenos"> 14</span></a> <span class="n">time_mapping</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-15"><a href="#Redshift-15"><span class="linenos"> 15</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-16"><a href="#Redshift-16"><span class="linenos"> 16</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> +</span><span id="Redshift-17"><a href="#Redshift-17"><span class="linenos"> 17</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> +</span><span id="Redshift-18"><a href="#Redshift-18"><span class="linenos"> 18</span></a> <span class="p">}</span> +</span><span id="Redshift-19"><a href="#Redshift-19"><span class="linenos"> 19</span></a> +</span><span id="Redshift-20"><a href="#Redshift-20"><span class="linenos"> 20</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> +</span><span id="Redshift-21"><a href="#Redshift-21"><span class="linenos"> 21</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-22"><a href="#Redshift-22"><span class="linenos"> 22</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-23"><a href="#Redshift-23"><span class="linenos"> 23</span></a> <span class="s2">"DECODE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Matches</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift-24"><a href="#Redshift-24"><span class="linenos"> 24</span></a> <span class="s2">"NVL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift-25"><a href="#Redshift-25"><span class="linenos"> 25</span></a> <span class="p">}</span> +</span><span id="Redshift-26"><a href="#Redshift-26"><span class="linenos"> 26</span></a> +</span><span id="Redshift-27"><a href="#Redshift-27"><span class="linenos"> 27</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> +</span><span id="Redshift-28"><a href="#Redshift-28"><span class="linenos"> 28</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span><span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">)</span> +</span><span id="Redshift-29"><a href="#Redshift-29"><span class="linenos"> 29</span></a> +</span><span id="Redshift-30"><a href="#Redshift-30"><span class="linenos"> 30</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="Redshift-31"><a href="#Redshift-31"><span class="linenos"> 31</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> +</span><span id="Redshift-32"><a href="#Redshift-32"><span class="linenos"> 32</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span> +</span><span id="Redshift-33"><a href="#Redshift-33"><span class="linenos"> 33</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Redshift-34"><a href="#Redshift-34"><span class="linenos"> 34</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="Redshift-35"><a href="#Redshift-35"><span class="linenos"> 35</span></a> <span class="p">):</span> +</span><span id="Redshift-36"><a href="#Redshift-36"><span class="linenos"> 36</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">)])</span> +</span><span id="Redshift-37"><a href="#Redshift-37"><span class="linenos"> 37</span></a> +</span><span id="Redshift-38"><a href="#Redshift-38"><span class="linenos"> 38</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="Redshift-39"><a href="#Redshift-39"><span class="linenos"> 39</span></a> +</span><span id="Redshift-40"><a href="#Redshift-40"><span class="linenos"> 40</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="Redshift-41"><a href="#Redshift-41"><span class="linenos"> 41</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="Redshift-42"><a href="#Redshift-42"><span class="linenos"> 42</span></a> +</span><span id="Redshift-43"><a href="#Redshift-43"><span class="linenos"> 43</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-44"><a href="#Redshift-44"><span class="linenos"> 44</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-45"><a href="#Redshift-45"><span class="linenos"> 45</span></a> <span class="s2">"ENCODE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ENCODE</span><span class="p">,</span> +</span><span id="Redshift-46"><a href="#Redshift-46"><span class="linenos"> 46</span></a> <span class="s2">"GEOMETRY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOMETRY</span><span class="p">,</span> +</span><span id="Redshift-47"><a href="#Redshift-47"><span class="linenos"> 47</span></a> <span class="s2">"GEOGRAPHY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOGRAPHY</span><span class="p">,</span> +</span><span id="Redshift-48"><a href="#Redshift-48"><span class="linenos"> 48</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> +</span><span id="Redshift-49"><a href="#Redshift-49"><span class="linenos"> 49</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> +</span><span id="Redshift-50"><a href="#Redshift-50"><span class="linenos"> 50</span></a> <span class="s2">"TIME"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> +</span><span id="Redshift-51"><a href="#Redshift-51"><span class="linenos"> 51</span></a> <span class="s2">"TIMETZ"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">,</span> +</span><span id="Redshift-52"><a href="#Redshift-52"><span class="linenos"> 52</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> +</span><span id="Redshift-53"><a href="#Redshift-53"><span class="linenos"> 53</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> +</span><span id="Redshift-54"><a href="#Redshift-54"><span class="linenos"> 54</span></a> <span class="p">}</span> +</span><span id="Redshift-55"><a href="#Redshift-55"><span class="linenos"> 55</span></a> +</span><span id="Redshift-56"><a href="#Redshift-56"><span class="linenos"> 56</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="Redshift-57"><a href="#Redshift-57"><span class="linenos"> 57</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-58"><a href="#Redshift-58"><span class="linenos"> 58</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-59"><a href="#Redshift-59"><span class="linenos"> 59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift-60"><a href="#Redshift-60"><span class="linenos"> 60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift-61"><a href="#Redshift-61"><span class="linenos"> 61</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> +</span><span id="Redshift-62"><a href="#Redshift-62"><span class="linenos"> 62</span></a> <span class="p">}</span> +</span><span id="Redshift-63"><a href="#Redshift-63"><span class="linenos"> 63</span></a> +</span><span id="Redshift-64"><a href="#Redshift-64"><span class="linenos"> 64</span></a> <span class="n">PROPERTIES_LOCATION</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-65"><a href="#Redshift-65"><span class="linenos"> 65</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-66"><a href="#Redshift-66"><span class="linenos"> 66</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LikeProperty</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="o">.</span><span class="n">Location</span><span class="o">.</span><span class="n">POST_SCHEMA_WITH</span><span class="p">,</span> +</span><span id="Redshift-67"><a href="#Redshift-67"><span class="linenos"> 67</span></a> <span class="p">}</span> +</span><span id="Redshift-68"><a href="#Redshift-68"><span class="linenos"> 68</span></a> +</span><span id="Redshift-69"><a href="#Redshift-69"><span class="linenos"> 69</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-70"><a href="#Redshift-70"><span class="linenos"> 70</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-71"><a href="#Redshift-71"><span class="linenos"> 71</span></a> <span class="o">**</span><span class="n">transforms</span><span class="o">.</span><span class="n">ELIMINATE_DISTINCT_ON</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-72"><a href="#Redshift-72"><span class="linenos"> 72</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift-73"><a href="#Redshift-73"><span class="linenos"> 73</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift-74"><a href="#Redshift-74"><span class="linenos"> 74</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="Redshift-75"><a href="#Redshift-75"><span class="linenos"> 75</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Matches</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"DECODE"</span><span class="p">),</span> +</span><span id="Redshift-76"><a href="#Redshift-76"><span class="linenos"> 76</span></a> <span class="p">}</span> +</span><span id="Redshift-77"><a href="#Redshift-77"><span class="linenos"> 77</span></a> +</span><span id="Redshift-78"><a href="#Redshift-78"><span class="linenos"> 78</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-79"><a href="#Redshift-79"><span class="linenos"> 79</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift-80"><a href="#Redshift-80"><span class="linenos"> 80</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="Redshift-81"><a href="#Redshift-81"><span class="linenos"> 81</span></a> +</span><span id="Redshift-82"><a href="#Redshift-82"><span class="linenos"> 82</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="Redshift-83"><a href="#Redshift-83"><span class="linenos"> 83</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="Redshift-84"><a href="#Redshift-84"><span class="linenos"> 84</span></a><span class="sd"> very slow.</span> +</span><span id="Redshift-85"><a href="#Redshift-85"><span class="linenos"> 85</span></a><span class="sd"> """</span> +</span><span id="Redshift-86"><a href="#Redshift-86"><span class="linenos"> 86</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> +</span><span id="Redshift-87"><a href="#Redshift-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift-88"><a href="#Redshift-88"><span class="linenos"> 88</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="Redshift-89"><a href="#Redshift-89"><span class="linenos"> 89</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift-90"><a href="#Redshift-90"><span class="linenos"> 90</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="Redshift-91"><a href="#Redshift-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> +</span><span id="Redshift-92"><a href="#Redshift-92"><span class="linenos"> 92</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Redshift-93"><a href="#Redshift-93"><span class="linenos"> 93</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="Redshift-94"><a href="#Redshift-94"><span class="linenos"> 94</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> +</span><span id="Redshift-95"><a href="#Redshift-95"><span class="linenos"> 95</span></a> <span class="p">]</span> +</span><span id="Redshift-96"><a href="#Redshift-96"><span class="linenos"> 96</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="Redshift-97"><a href="#Redshift-97"><span class="linenos"> 97</span></a> <span class="n">subquery_expression</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="Redshift-98"><a href="#Redshift-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Redshift-99"><a href="#Redshift-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Redshift-100"><a href="#Redshift-100"><span class="linenos">100</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="Redshift-101"><a href="#Redshift-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="Redshift-102"><a href="#Redshift-102"><span class="linenos">102</span></a> +</span><span id="Redshift-103"><a href="#Redshift-103"><span class="linenos">103</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-104"><a href="#Redshift-104"><span class="linenos">104</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="Redshift-105"><a href="#Redshift-105"><span class="linenos">105</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span><span id="Redshift-106"><a href="#Redshift-106"><span class="linenos">106</span></a> +</span><span id="Redshift-107"><a href="#Redshift-107"><span class="linenos">107</span></a> <span class="k">def</span> <span class="nf">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-108"><a href="#Redshift-108"><span class="linenos">108</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> +</span><span id="Redshift-109"><a href="#Redshift-109"><span class="linenos">109</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift-110"><a href="#Redshift-110"><span class="linenos">110</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Redshift-111"><a href="#Redshift-111"><span class="linenos">111</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> +</span><span id="Redshift-112"><a href="#Redshift-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> +</span><span id="Redshift-113"><a href="#Redshift-113"><span class="linenos">113</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="Redshift-114"><a href="#Redshift-114"><span class="linenos">114</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift-115"><a href="#Redshift-115"><span class="linenos">115</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span><span id="Redshift-116"><a href="#Redshift-116"><span class="linenos">116</span></a> +</span><span id="Redshift-117"><a href="#Redshift-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-118"><a href="#Redshift-118"><span class="linenos">118</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift-119"><a href="#Redshift-119"><span class="linenos">119</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="Redshift-120"><a href="#Redshift-120"><span class="linenos">120</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="Redshift-121"><a href="#Redshift-121"><span class="linenos">121</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="Redshift-122"><a href="#Redshift-122"><span class="linenos">122</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift-123"><a href="#Redshift-123"><span class="linenos">123</span></a><span class="sd"> """</span> +</span><span id="Redshift-124"><a href="#Redshift-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="Redshift-125"><a href="#Redshift-125"><span class="linenos">125</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift-126"><a href="#Redshift-126"><span class="linenos">126</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="Redshift-127"><a href="#Redshift-127"><span class="linenos">127</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="Redshift-128"><a href="#Redshift-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift-129"><a href="#Redshift-129"><span class="linenos">129</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift-130"><a href="#Redshift-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + + + <div id="Redshift.__init__" class="classattr"> + <div class="attr function"> + + <span class="name">Redshift</span><span class="signature pdoc-code condensed">()</span> + + + </div> + <a class="headerlink" href="#Redshift.__init__"></a> + + + + </div> + <div class="inherited"> + <h5>Inherited Members</h5> + <dl> + <div><dt><a href="dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></dt> + <dd id="Redshift.get_or_raise" class="function"><a href="dialect.html#Dialect.get_or_raise">get_or_raise</a></dd> + <dd id="Redshift.format_time" class="function"><a href="dialect.html#Dialect.format_time">format_time</a></dd> + <dd id="Redshift.parse" class="function"><a href="dialect.html#Dialect.parse">parse</a></dd> + <dd id="Redshift.parse_into" class="function"><a href="dialect.html#Dialect.parse_into">parse_into</a></dd> + <dd id="Redshift.generate" class="function"><a href="dialect.html#Dialect.generate">generate</a></dd> + <dd id="Redshift.transpile" class="function"><a href="dialect.html#Dialect.transpile">transpile</a></dd> + <dd id="Redshift.parser" class="function"><a href="dialect.html#Dialect.parser">parser</a></dd> + <dd id="Redshift.generator" class="function"><a href="dialect.html#Dialect.generator">generator</a></dd> + + </div> + </dl> + </div> + </section> + <section id="Redshift.Parser"> + <input id="Redshift.Parser-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">Redshift.Parser</span><wbr>(<span class="base"><a href="postgres.html#Postgres.Parser">sqlglot.dialects.postgres.Postgres.Parser</a></span>): + + <label class="view-source-button" for="Redshift.Parser-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Parser"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Parser-20"><a href="#Redshift.Parser-20"><span class="linenos">20</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> +</span><span id="Redshift.Parser-21"><a href="#Redshift.Parser-21"><span class="linenos">21</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Parser-22"><a href="#Redshift.Parser-22"><span class="linenos">22</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Parser-23"><a href="#Redshift.Parser-23"><span class="linenos">23</span></a> <span class="s2">"DECODE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Matches</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift.Parser-24"><a href="#Redshift.Parser-24"><span class="linenos">24</span></a> <span class="s2">"NVL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift.Parser-25"><a href="#Redshift.Parser-25"><span class="linenos">25</span></a> <span class="p">}</span> +</span><span id="Redshift.Parser-26"><a href="#Redshift.Parser-26"><span class="linenos">26</span></a> +</span><span id="Redshift.Parser-27"><a href="#Redshift.Parser-27"><span class="linenos">27</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> +</span><span id="Redshift.Parser-28"><a href="#Redshift.Parser-28"><span class="linenos">28</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span><span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">)</span> +</span><span id="Redshift.Parser-29"><a href="#Redshift.Parser-29"><span class="linenos">29</span></a> +</span><span id="Redshift.Parser-30"><a href="#Redshift.Parser-30"><span class="linenos">30</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="Redshift.Parser-31"><a href="#Redshift.Parser-31"><span class="linenos">31</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> +</span><span id="Redshift.Parser-32"><a href="#Redshift.Parser-32"><span class="linenos">32</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span> +</span><span id="Redshift.Parser-33"><a href="#Redshift.Parser-33"><span class="linenos">33</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Redshift.Parser-34"><a href="#Redshift.Parser-34"><span class="linenos">34</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="Redshift.Parser-35"><a href="#Redshift.Parser-35"><span class="linenos">35</span></a> <span class="p">):</span> +</span><span id="Redshift.Parser-36"><a href="#Redshift.Parser-36"><span class="linenos">36</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">)])</span> +</span><span id="Redshift.Parser-37"><a href="#Redshift.Parser-37"><span class="linenos">37</span></a> +</span><span id="Redshift.Parser-38"><a href="#Redshift.Parser-38"><span class="linenos">38</span></a> <span class="k">return</span> <span class="n">this</span> +</span></pre></div> + + + <div class="docstring"><p>Parser consumes a list of tokens produced by the <code><a href="../tokens.html#Tokenizer">sqlglot.tokens.Tokenizer</a></code> and produces +a parsed syntax tree.</p> + +<h6 id="arguments">Arguments:</h6> + +<ul> +<li><strong>error_level:</strong> the desired error level. +Default: ErrorLevel.RAISE</li> +<li><strong>error_message_context:</strong> determines the amount of context to capture from a +query string when displaying the error message (in number of characters). +Default: 50.</li> +<li><strong>index_offset:</strong> Index offset for arrays eg ARRAY[0] vs ARRAY[1] as the head of a list. +Default: 0</li> +<li><strong>alias_post_tablesample:</strong> If the table alias comes after tablesample. +Default: False</li> +<li><strong>max_errors:</strong> Maximum number of error messages to include in a raised ParseError. +This is only relevant if error_level is ErrorLevel.RAISE. +Default: 3</li> +<li><strong>null_ordering:</strong> Indicates the default null ordering method to use if not explicitly set. +Options are "nulls_are_small", "nulls_are_large", "nulls_are_last". +Default: "nulls_are_small"</li> +</ul> +</div> + + + <div class="inherited"> + <h5>Inherited Members</h5> + <dl> + <div><dt><a href="../parser.html#Parser">sqlglot.parser.Parser</a></dt> + <dd id="Redshift.Parser.__init__" class="function"><a href="../parser.html#Parser.__init__">Parser</a></dd> + <dd id="Redshift.Parser.reset" class="function"><a href="../parser.html#Parser.reset">reset</a></dd> + <dd id="Redshift.Parser.parse" class="function"><a href="../parser.html#Parser.parse">parse</a></dd> + <dd id="Redshift.Parser.parse_into" class="function"><a href="../parser.html#Parser.parse_into">parse_into</a></dd> + <dd id="Redshift.Parser.check_errors" class="function"><a href="../parser.html#Parser.check_errors">check_errors</a></dd> + <dd id="Redshift.Parser.raise_error" class="function"><a href="../parser.html#Parser.raise_error">raise_error</a></dd> + <dd id="Redshift.Parser.expression" class="function"><a href="../parser.html#Parser.expression">expression</a></dd> + <dd id="Redshift.Parser.validate_expression" class="function"><a href="../parser.html#Parser.validate_expression">validate_expression</a></dd> + + </div> + </dl> + </div> + </section> + <section id="Redshift.Tokenizer"> + <input id="Redshift.Tokenizer-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">Redshift.Tokenizer</span><wbr>(<span class="base"><a href="postgres.html#Postgres.Tokenizer">sqlglot.dialects.postgres.Postgres.Tokenizer</a></span>): + + <label class="view-source-button" for="Redshift.Tokenizer-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Tokenizer"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Tokenizer-40"><a href="#Redshift.Tokenizer-40"><span class="linenos">40</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="Redshift.Tokenizer-41"><a href="#Redshift.Tokenizer-41"><span class="linenos">41</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="Redshift.Tokenizer-42"><a href="#Redshift.Tokenizer-42"><span class="linenos">42</span></a> +</span><span id="Redshift.Tokenizer-43"><a href="#Redshift.Tokenizer-43"><span class="linenos">43</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Tokenizer-44"><a href="#Redshift.Tokenizer-44"><span class="linenos">44</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Tokenizer-45"><a href="#Redshift.Tokenizer-45"><span class="linenos">45</span></a> <span class="s2">"ENCODE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ENCODE</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-46"><a href="#Redshift.Tokenizer-46"><span class="linenos">46</span></a> <span class="s2">"GEOMETRY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOMETRY</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-47"><a href="#Redshift.Tokenizer-47"><span class="linenos">47</span></a> <span class="s2">"GEOGRAPHY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOGRAPHY</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-48"><a href="#Redshift.Tokenizer-48"><span class="linenos">48</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-49"><a href="#Redshift.Tokenizer-49"><span class="linenos">49</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-50"><a href="#Redshift.Tokenizer-50"><span class="linenos">50</span></a> <span class="s2">"TIME"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TIMESTAMP</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-51"><a href="#Redshift.Tokenizer-51"><span class="linenos">51</span></a> <span class="s2">"TIMETZ"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-52"><a href="#Redshift.Tokenizer-52"><span class="linenos">52</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-53"><a href="#Redshift.Tokenizer-53"><span class="linenos">53</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-54"><a href="#Redshift.Tokenizer-54"><span class="linenos">54</span></a> <span class="p">}</span> +</span></pre></div> + + + + + <div class="inherited"> + <h5>Inherited Members</h5> + <dl> + <div><dt><a href="../tokens.html#Tokenizer">sqlglot.tokens.Tokenizer</a></dt> + <dd id="Redshift.Tokenizer.__init__" class="function"><a href="../tokens.html#Tokenizer.__init__">Tokenizer</a></dd> + <dd id="Redshift.Tokenizer.reset" class="function"><a href="../tokens.html#Tokenizer.reset">reset</a></dd> + <dd id="Redshift.Tokenizer.tokenize" class="function"><a href="../tokens.html#Tokenizer.tokenize">tokenize</a></dd> + + </div> + </dl> + </div> + </section> + <section id="Redshift.Generator"> + <input id="Redshift.Generator-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">Redshift.Generator</span><wbr>(<span class="base"><a href="postgres.html#Postgres.Generator">sqlglot.dialects.postgres.Postgres.Generator</a></span>): + + <label class="view-source-button" for="Redshift.Generator-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Generator"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator-56"><a href="#Redshift.Generator-56"><span class="linenos"> 56</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="Redshift.Generator-57"><a href="#Redshift.Generator-57"><span class="linenos"> 57</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Generator-58"><a href="#Redshift.Generator-58"><span class="linenos"> 58</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-59"><a href="#Redshift.Generator-59"><span class="linenos"> 59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift.Generator-60"><a href="#Redshift.Generator-60"><span class="linenos"> 60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift.Generator-61"><a href="#Redshift.Generator-61"><span class="linenos"> 61</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> +</span><span id="Redshift.Generator-62"><a href="#Redshift.Generator-62"><span class="linenos"> 62</span></a> <span class="p">}</span> +</span><span id="Redshift.Generator-63"><a href="#Redshift.Generator-63"><span class="linenos"> 63</span></a> +</span><span id="Redshift.Generator-64"><a href="#Redshift.Generator-64"><span class="linenos"> 64</span></a> <span class="n">PROPERTIES_LOCATION</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Generator-65"><a href="#Redshift.Generator-65"><span class="linenos"> 65</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-66"><a href="#Redshift.Generator-66"><span class="linenos"> 66</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LikeProperty</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="o">.</span><span class="n">Location</span><span class="o">.</span><span class="n">POST_SCHEMA_WITH</span><span class="p">,</span> +</span><span id="Redshift.Generator-67"><a href="#Redshift.Generator-67"><span class="linenos"> 67</span></a> <span class="p">}</span> +</span><span id="Redshift.Generator-68"><a href="#Redshift.Generator-68"><span class="linenos"> 68</span></a> +</span><span id="Redshift.Generator-69"><a href="#Redshift.Generator-69"><span class="linenos"> 69</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Generator-70"><a href="#Redshift.Generator-70"><span class="linenos"> 70</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-71"><a href="#Redshift.Generator-71"><span class="linenos"> 71</span></a> <span class="o">**</span><span class="n">transforms</span><span class="o">.</span><span class="n">ELIMINATE_DISTINCT_ON</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-72"><a href="#Redshift.Generator-72"><span class="linenos"> 72</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift.Generator-73"><a href="#Redshift.Generator-73"><span class="linenos"> 73</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift.Generator-74"><a href="#Redshift.Generator-74"><span class="linenos"> 74</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="Redshift.Generator-75"><a href="#Redshift.Generator-75"><span class="linenos"> 75</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Matches</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"DECODE"</span><span class="p">),</span> +</span><span id="Redshift.Generator-76"><a href="#Redshift.Generator-76"><span class="linenos"> 76</span></a> <span class="p">}</span> +</span><span id="Redshift.Generator-77"><a href="#Redshift.Generator-77"><span class="linenos"> 77</span></a> +</span><span id="Redshift.Generator-78"><a href="#Redshift.Generator-78"><span class="linenos"> 78</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-79"><a href="#Redshift.Generator-79"><span class="linenos"> 79</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator-80"><a href="#Redshift.Generator-80"><span class="linenos"> 80</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="Redshift.Generator-81"><a href="#Redshift.Generator-81"><span class="linenos"> 81</span></a> +</span><span id="Redshift.Generator-82"><a href="#Redshift.Generator-82"><span class="linenos"> 82</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="Redshift.Generator-83"><a href="#Redshift.Generator-83"><span class="linenos"> 83</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="Redshift.Generator-84"><a href="#Redshift.Generator-84"><span class="linenos"> 84</span></a><span class="sd"> very slow.</span> +</span><span id="Redshift.Generator-85"><a href="#Redshift.Generator-85"><span class="linenos"> 85</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator-86"><a href="#Redshift.Generator-86"><span class="linenos"> 86</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> +</span><span id="Redshift.Generator-87"><a href="#Redshift.Generator-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift.Generator-88"><a href="#Redshift.Generator-88"><span class="linenos"> 88</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="Redshift.Generator-89"><a href="#Redshift.Generator-89"><span class="linenos"> 89</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Generator-90"><a href="#Redshift.Generator-90"><span class="linenos"> 90</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="Redshift.Generator-91"><a href="#Redshift.Generator-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> +</span><span id="Redshift.Generator-92"><a href="#Redshift.Generator-92"><span class="linenos"> 92</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Redshift.Generator-93"><a href="#Redshift.Generator-93"><span class="linenos"> 93</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="Redshift.Generator-94"><a href="#Redshift.Generator-94"><span class="linenos"> 94</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> +</span><span id="Redshift.Generator-95"><a href="#Redshift.Generator-95"><span class="linenos"> 95</span></a> <span class="p">]</span> +</span><span id="Redshift.Generator-96"><a href="#Redshift.Generator-96"><span class="linenos"> 96</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="Redshift.Generator-97"><a href="#Redshift.Generator-97"><span class="linenos"> 97</span></a> <span class="n">subquery_expression</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="Redshift.Generator-98"><a href="#Redshift.Generator-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Redshift.Generator-99"><a href="#Redshift.Generator-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Redshift.Generator-100"><a href="#Redshift.Generator-100"><span class="linenos">100</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="Redshift.Generator-101"><a href="#Redshift.Generator-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="Redshift.Generator-102"><a href="#Redshift.Generator-102"><span class="linenos">102</span></a> +</span><span id="Redshift.Generator-103"><a href="#Redshift.Generator-103"><span class="linenos">103</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-104"><a href="#Redshift.Generator-104"><span class="linenos">104</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="Redshift.Generator-105"><a href="#Redshift.Generator-105"><span class="linenos">105</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span><span id="Redshift.Generator-106"><a href="#Redshift.Generator-106"><span class="linenos">106</span></a> +</span><span id="Redshift.Generator-107"><a href="#Redshift.Generator-107"><span class="linenos">107</span></a> <span class="k">def</span> <span class="nf">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-108"><a href="#Redshift.Generator-108"><span class="linenos">108</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> +</span><span id="Redshift.Generator-109"><a href="#Redshift.Generator-109"><span class="linenos">109</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Generator-110"><a href="#Redshift.Generator-110"><span class="linenos">110</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Redshift.Generator-111"><a href="#Redshift.Generator-111"><span class="linenos">111</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> +</span><span id="Redshift.Generator-112"><a href="#Redshift.Generator-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> +</span><span id="Redshift.Generator-113"><a href="#Redshift.Generator-113"><span class="linenos">113</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="Redshift.Generator-114"><a href="#Redshift.Generator-114"><span class="linenos">114</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift.Generator-115"><a href="#Redshift.Generator-115"><span class="linenos">115</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span><span id="Redshift.Generator-116"><a href="#Redshift.Generator-116"><span class="linenos">116</span></a> +</span><span id="Redshift.Generator-117"><a href="#Redshift.Generator-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-118"><a href="#Redshift.Generator-118"><span class="linenos">118</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator-119"><a href="#Redshift.Generator-119"><span class="linenos">119</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="Redshift.Generator-120"><a href="#Redshift.Generator-120"><span class="linenos">120</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="Redshift.Generator-121"><a href="#Redshift.Generator-121"><span class="linenos">121</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="Redshift.Generator-122"><a href="#Redshift.Generator-122"><span class="linenos">122</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift.Generator-123"><a href="#Redshift.Generator-123"><span class="linenos">123</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator-124"><a href="#Redshift.Generator-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="Redshift.Generator-125"><a href="#Redshift.Generator-125"><span class="linenos">125</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Generator-126"><a href="#Redshift.Generator-126"><span class="linenos">126</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="Redshift.Generator-127"><a href="#Redshift.Generator-127"><span class="linenos">127</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="Redshift.Generator-128"><a href="#Redshift.Generator-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift.Generator-129"><a href="#Redshift.Generator-129"><span class="linenos">129</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift.Generator-130"><a href="#Redshift.Generator-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + <div class="docstring"><p>Generator interprets the given syntax tree and produces a SQL string as an output.</p> + +<h6 id="arguments">Arguments:</h6> + +<ul> +<li><strong>time_mapping (dict):</strong> the dictionary of custom time mappings in which the key +represents a python time format and the output the target time format</li> +<li><strong>time_trie (trie):</strong> a trie of the time_mapping keys</li> +<li><strong>pretty (bool):</strong> if set to True the returned string will be formatted. Default: False.</li> +<li><strong>quote_start (str):</strong> specifies which starting character to use to delimit quotes. Default: '.</li> +<li><strong>quote_end (str):</strong> specifies which ending character to use to delimit quotes. Default: '.</li> +<li><strong>identifier_start (str):</strong> specifies which starting character to use to delimit identifiers. Default: ".</li> +<li><strong>identifier_end (str):</strong> specifies which ending character to use to delimit identifiers. Default: ".</li> +<li><strong>identify (bool):</strong> if set to True all identifiers will be delimited by the corresponding +character.</li> +<li><strong>normalize (bool):</strong> if set to True all identifiers will lower cased</li> +<li><strong>string_escape (str):</strong> specifies a string escape character. Default: '.</li> +<li><strong>identifier_escape (str):</strong> specifies an identifier escape character. Default: ".</li> +<li><strong>pad (int):</strong> determines padding in a formatted string. Default: 2.</li> +<li><strong>indent (int):</strong> determines the size of indentation in a formatted string. Default: 4.</li> +<li><strong>unnest_column_only (bool):</strong> if true unnest table aliases are considered only as column aliases</li> +<li><strong>normalize_functions (str):</strong> normalize function names, "upper", "lower", or None +Default: "upper"</li> +<li><strong>alias_post_tablesample (bool):</strong> if the table alias comes after tablesample +Default: False</li> +<li><strong>unsupported_level (ErrorLevel):</strong> determines the generator's behavior when it encounters +unsupported expressions. Default ErrorLevel.WARN.</li> +<li><strong>null_ordering (str):</strong> Indicates the default null ordering method to use if not explicitly set. +Options are "nulls_are_small", "nulls_are_large", "nulls_are_last". +Default: "nulls_are_small"</li> +<li><strong>max_unsupported (int):</strong> Maximum number of unsupported messages to include in a raised UnsupportedError. +This is only relevant if unsupported_level is ErrorLevel.RAISE. +Default: 3</li> +<li><strong>leading_comma (bool):</strong> if the the comma is leading or trailing in select statements +Default: False</li> +<li><strong>max_text_width:</strong> The max number of characters in a segment before creating new lines in pretty mode. +The default is on the smaller end because the length only represents a segment and not the true +line length. +Default: 80</li> +<li><strong>comments:</strong> Whether or not to preserve comments in the output SQL code. +Default: True</li> +</ul> +</div> + + + <div id="Redshift.Generator.values_sql" class="classattr"> + <input id="Redshift.Generator.values_sql-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">values_sql</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Values">sqlglot.expressions.Values</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="Redshift.Generator.values_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Generator.values_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.values_sql-78"><a href="#Redshift.Generator.values_sql-78"><span class="linenos"> 78</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.values_sql-79"><a href="#Redshift.Generator.values_sql-79"><span class="linenos"> 79</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator.values_sql-80"><a href="#Redshift.Generator.values_sql-80"><span class="linenos"> 80</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="Redshift.Generator.values_sql-81"><a href="#Redshift.Generator.values_sql-81"><span class="linenos"> 81</span></a> +</span><span id="Redshift.Generator.values_sql-82"><a href="#Redshift.Generator.values_sql-82"><span class="linenos"> 82</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="Redshift.Generator.values_sql-83"><a href="#Redshift.Generator.values_sql-83"><span class="linenos"> 83</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="Redshift.Generator.values_sql-84"><a href="#Redshift.Generator.values_sql-84"><span class="linenos"> 84</span></a><span class="sd"> very slow.</span> +</span><span id="Redshift.Generator.values_sql-85"><a href="#Redshift.Generator.values_sql-85"><span class="linenos"> 85</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator.values_sql-86"><a href="#Redshift.Generator.values_sql-86"><span class="linenos"> 86</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> +</span><span id="Redshift.Generator.values_sql-87"><a href="#Redshift.Generator.values_sql-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-88"><a href="#Redshift.Generator.values_sql-88"><span class="linenos"> 88</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="Redshift.Generator.values_sql-89"><a href="#Redshift.Generator.values_sql-89"><span class="linenos"> 89</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Generator.values_sql-90"><a href="#Redshift.Generator.values_sql-90"><span class="linenos"> 90</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="Redshift.Generator.values_sql-91"><a href="#Redshift.Generator.values_sql-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> +</span><span id="Redshift.Generator.values_sql-92"><a href="#Redshift.Generator.values_sql-92"><span class="linenos"> 92</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Redshift.Generator.values_sql-93"><a href="#Redshift.Generator.values_sql-93"><span class="linenos"> 93</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-94"><a href="#Redshift.Generator.values_sql-94"><span class="linenos"> 94</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> +</span><span id="Redshift.Generator.values_sql-95"><a href="#Redshift.Generator.values_sql-95"><span class="linenos"> 95</span></a> <span class="p">]</span> +</span><span id="Redshift.Generator.values_sql-96"><a href="#Redshift.Generator.values_sql-96"><span class="linenos"> 96</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="Redshift.Generator.values_sql-97"><a href="#Redshift.Generator.values_sql-97"><span class="linenos"> 97</span></a> <span class="n">subquery_expression</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="Redshift.Generator.values_sql-98"><a href="#Redshift.Generator.values_sql-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Redshift.Generator.values_sql-99"><a href="#Redshift.Generator.values_sql-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Redshift.Generator.values_sql-100"><a href="#Redshift.Generator.values_sql-100"><span class="linenos">100</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-101"><a href="#Redshift.Generator.values_sql-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span></pre></div> + + + <div class="docstring"><p>Converts <code>VALUES...</code> expression into a series of unions.</p> + +<p>Note: If you have a lot of unions then this will result in a large number of recursive statements to +evaluate the expression. You may need to increase <code>sys.setrecursionlimit</code> to run and it can also be +very slow.</p> +</div> + + + </div> + <div id="Redshift.Generator.with_properties" class="classattr"> + <input id="Redshift.Generator.with_properties-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">with_properties</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">properties</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Properties">sqlglot.expressions.Properties</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="Redshift.Generator.with_properties-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Generator.with_properties"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.with_properties-103"><a href="#Redshift.Generator.with_properties-103"><span class="linenos">103</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.with_properties-104"><a href="#Redshift.Generator.with_properties-104"><span class="linenos">104</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="Redshift.Generator.with_properties-105"><a href="#Redshift.Generator.with_properties-105"><span class="linenos">105</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span></pre></div> + + + <div class="docstring"><p>Redshift doesn't have <code>WITH</code> as part of their with_properties so we remove it</p> +</div> + + + </div> + <div id="Redshift.Generator.renametable_sql" class="classattr"> + <input id="Redshift.Generator.renametable_sql-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">renametable_sql</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#RenameTable">sqlglot.expressions.RenameTable</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="Redshift.Generator.renametable_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Generator.renametable_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.renametable_sql-107"><a href="#Redshift.Generator.renametable_sql-107"><span class="linenos">107</span></a> <span class="k">def</span> <span class="nf">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.renametable_sql-108"><a href="#Redshift.Generator.renametable_sql-108"><span class="linenos">108</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> +</span><span id="Redshift.Generator.renametable_sql-109"><a href="#Redshift.Generator.renametable_sql-109"><span class="linenos">109</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Generator.renametable_sql-110"><a href="#Redshift.Generator.renametable_sql-110"><span class="linenos">110</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Redshift.Generator.renametable_sql-111"><a href="#Redshift.Generator.renametable_sql-111"><span class="linenos">111</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> +</span><span id="Redshift.Generator.renametable_sql-112"><a href="#Redshift.Generator.renametable_sql-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> +</span><span id="Redshift.Generator.renametable_sql-113"><a href="#Redshift.Generator.renametable_sql-113"><span class="linenos">113</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="Redshift.Generator.renametable_sql-114"><a href="#Redshift.Generator.renametable_sql-114"><span class="linenos">114</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift.Generator.renametable_sql-115"><a href="#Redshift.Generator.renametable_sql-115"><span class="linenos">115</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> +</span></pre></div> + + + <div class="docstring"><p>Redshift only supports defining the table name itself (not the db) when renaming tables</p> +</div> + + + </div> + <div id="Redshift.Generator.datatype_sql" class="classattr"> + <input id="Redshift.Generator.datatype_sql-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">datatype_sql</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#DataType">sqlglot.expressions.DataType</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="Redshift.Generator.datatype_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Redshift.Generator.datatype_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.datatype_sql-117"><a href="#Redshift.Generator.datatype_sql-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.datatype_sql-118"><a href="#Redshift.Generator.datatype_sql-118"><span class="linenos">118</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator.datatype_sql-119"><a href="#Redshift.Generator.datatype_sql-119"><span class="linenos">119</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="Redshift.Generator.datatype_sql-120"><a href="#Redshift.Generator.datatype_sql-120"><span class="linenos">120</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="Redshift.Generator.datatype_sql-121"><a href="#Redshift.Generator.datatype_sql-121"><span class="linenos">121</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="Redshift.Generator.datatype_sql-122"><a href="#Redshift.Generator.datatype_sql-122"><span class="linenos">122</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift.Generator.datatype_sql-123"><a href="#Redshift.Generator.datatype_sql-123"><span class="linenos">123</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator.datatype_sql-124"><a href="#Redshift.Generator.datatype_sql-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="Redshift.Generator.datatype_sql-125"><a href="#Redshift.Generator.datatype_sql-125"><span class="linenos">125</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Generator.datatype_sql-126"><a href="#Redshift.Generator.datatype_sql-126"><span class="linenos">126</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="Redshift.Generator.datatype_sql-127"><a href="#Redshift.Generator.datatype_sql-127"><span class="linenos">127</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="Redshift.Generator.datatype_sql-128"><a href="#Redshift.Generator.datatype_sql-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift.Generator.datatype_sql-129"><a href="#Redshift.Generator.datatype_sql-129"><span class="linenos">129</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift.Generator.datatype_sql-130"><a href="#Redshift.Generator.datatype_sql-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + <div class="docstring"><p>Redshift converts the <code>TEXT</code> data type to <code>VARCHAR(255)</code> by default when people more generally mean +VARCHAR of max length which is <code>VARCHAR(max)</code> in Redshift. Therefore if we get a <code>TEXT</code> data type +without precision we convert it to <code>VARCHAR(max)</code> and if it does have precision then we just convert +<code>TEXT</code> to <code>VARCHAR</code>.</p> +</div> + + + </div> + <div class="inherited"> + <h5>Inherited Members</h5> + <dl> + <div><dt><a href="../generator.html#Generator">sqlglot.generator.Generator</a></dt> + <dd id="Redshift.Generator.__init__" class="function"><a href="../generator.html#Generator.__init__">Generator</a></dd> + <dd id="Redshift.Generator.generate" class="function"><a href="../generator.html#Generator.generate">generate</a></dd> + <dd id="Redshift.Generator.unsupported" class="function"><a href="../generator.html#Generator.unsupported">unsupported</a></dd> + <dd id="Redshift.Generator.sep" class="function"><a href="../generator.html#Generator.sep">sep</a></dd> + <dd id="Redshift.Generator.seg" class="function"><a href="../generator.html#Generator.seg">seg</a></dd> + <dd id="Redshift.Generator.pad_comment" class="function"><a href="../generator.html#Generator.pad_comment">pad_comment</a></dd> + <dd id="Redshift.Generator.maybe_comment" class="function"><a href="../generator.html#Generator.maybe_comment">maybe_comment</a></dd> + <dd id="Redshift.Generator.wrap" class="function"><a href="../generator.html#Generator.wrap">wrap</a></dd> + <dd id="Redshift.Generator.no_identify" class="function"><a href="../generator.html#Generator.no_identify">no_identify</a></dd> + <dd id="Redshift.Generator.normalize_func" class="function"><a href="../generator.html#Generator.normalize_func">normalize_func</a></dd> + <dd id="Redshift.Generator.indent" class="function"><a href="../generator.html#Generator.indent">indent</a></dd> + <dd id="Redshift.Generator.sql" class="function"><a href="../generator.html#Generator.sql">sql</a></dd> + <dd id="Redshift.Generator.uncache_sql" class="function"><a href="../generator.html#Generator.uncache_sql">uncache_sql</a></dd> + <dd id="Redshift.Generator.cache_sql" class="function"><a href="../generator.html#Generator.cache_sql">cache_sql</a></dd> + <dd id="Redshift.Generator.characterset_sql" class="function"><a href="../generator.html#Generator.characterset_sql">characterset_sql</a></dd> + <dd id="Redshift.Generator.column_sql" class="function"><a href="../generator.html#Generator.column_sql">column_sql</a></dd> + <dd id="Redshift.Generator.columndef_sql" class="function"><a href="../generator.html#Generator.columndef_sql">columndef_sql</a></dd> + <dd id="Redshift.Generator.columnconstraint_sql" class="function"><a href="../generator.html#Generator.columnconstraint_sql">columnconstraint_sql</a></dd> + <dd id="Redshift.Generator.autoincrementcolumnconstraint_sql" class="function"><a href="../generator.html#Generator.autoincrementcolumnconstraint_sql">autoincrementcolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.checkcolumnconstraint_sql" class="function"><a href="../generator.html#Generator.checkcolumnconstraint_sql">checkcolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.commentcolumnconstraint_sql" class="function"><a href="../generator.html#Generator.commentcolumnconstraint_sql">commentcolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.collatecolumnconstraint_sql" class="function"><a href="../generator.html#Generator.collatecolumnconstraint_sql">collatecolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.encodecolumnconstraint_sql" class="function"><a href="../generator.html#Generator.encodecolumnconstraint_sql">encodecolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.defaultcolumnconstraint_sql" class="function"><a href="../generator.html#Generator.defaultcolumnconstraint_sql">defaultcolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.generatedasidentitycolumnconstraint_sql" class="function"><a href="../generator.html#Generator.generatedasidentitycolumnconstraint_sql">generatedasidentitycolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.notnullcolumnconstraint_sql" class="function"><a href="../generator.html#Generator.notnullcolumnconstraint_sql">notnullcolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.primarykeycolumnconstraint_sql" class="function"><a href="../generator.html#Generator.primarykeycolumnconstraint_sql">primarykeycolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.uniquecolumnconstraint_sql" class="function"><a href="../generator.html#Generator.uniquecolumnconstraint_sql">uniquecolumnconstraint_sql</a></dd> + <dd id="Redshift.Generator.create_sql" class="function"><a href="../generator.html#Generator.create_sql">create_sql</a></dd> + <dd id="Redshift.Generator.describe_sql" class="function"><a href="../generator.html#Generator.describe_sql">describe_sql</a></dd> + <dd id="Redshift.Generator.prepend_ctes" class="function"><a href="../generator.html#Generator.prepend_ctes">prepend_ctes</a></dd> + <dd id="Redshift.Generator.with_sql" class="function"><a href="../generator.html#Generator.with_sql">with_sql</a></dd> + <dd id="Redshift.Generator.cte_sql" class="function"><a href="../generator.html#Generator.cte_sql">cte_sql</a></dd> + <dd id="Redshift.Generator.tablealias_sql" class="function"><a href="../generator.html#Generator.tablealias_sql">tablealias_sql</a></dd> + <dd id="Redshift.Generator.bitstring_sql" class="function"><a href="../generator.html#Generator.bitstring_sql">bitstring_sql</a></dd> + <dd id="Redshift.Generator.hexstring_sql" class="function"><a href="../generator.html#Generator.hexstring_sql">hexstring_sql</a></dd> + <dd id="Redshift.Generator.directory_sql" class="function"><a href="../generator.html#Generator.directory_sql">directory_sql</a></dd> + <dd id="Redshift.Generator.delete_sql" class="function"><a href="../generator.html#Generator.delete_sql">delete_sql</a></dd> + <dd id="Redshift.Generator.drop_sql" class="function"><a href="../generator.html#Generator.drop_sql">drop_sql</a></dd> + <dd id="Redshift.Generator.except_sql" class="function"><a href="../generator.html#Generator.except_sql">except_sql</a></dd> + <dd id="Redshift.Generator.except_op" class="function"><a href="../generator.html#Generator.except_op">except_op</a></dd> + <dd id="Redshift.Generator.fetch_sql" class="function"><a href="../generator.html#Generator.fetch_sql">fetch_sql</a></dd> + <dd id="Redshift.Generator.filter_sql" class="function"><a href="../generator.html#Generator.filter_sql">filter_sql</a></dd> + <dd id="Redshift.Generator.hint_sql" class="function"><a href="../generator.html#Generator.hint_sql">hint_sql</a></dd> + <dd id="Redshift.Generator.index_sql" class="function"><a href="../generator.html#Generator.index_sql">index_sql</a></dd> + <dd id="Redshift.Generator.identifier_sql" class="function"><a href="../generator.html#Generator.identifier_sql">identifier_sql</a></dd> + <dd id="Redshift.Generator.national_sql" class="function"><a href="../generator.html#Generator.national_sql">national_sql</a></dd> + <dd id="Redshift.Generator.partition_sql" class="function"><a href="../generator.html#Generator.partition_sql">partition_sql</a></dd> + <dd id="Redshift.Generator.properties_sql" class="function"><a href="../generator.html#Generator.properties_sql">properties_sql</a></dd> + <dd id="Redshift.Generator.root_properties" class="function"><a href="../generator.html#Generator.root_properties">root_properties</a></dd> + <dd id="Redshift.Generator.properties" class="function"><a href="../generator.html#Generator.properties">properties</a></dd> + <dd id="Redshift.Generator.locate_properties" class="function"><a href="../generator.html#Generator.locate_properties">locate_properties</a></dd> + <dd id="Redshift.Generator.property_sql" class="function"><a href="../generator.html#Generator.property_sql">property_sql</a></dd> + <dd 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href="../generator.html#Generator.tuple_sql">tuple_sql</a></dd> + <dd id="Redshift.Generator.update_sql" class="function"><a href="../generator.html#Generator.update_sql">update_sql</a></dd> + <dd id="Redshift.Generator.var_sql" class="function"><a href="../generator.html#Generator.var_sql">var_sql</a></dd> + <dd id="Redshift.Generator.into_sql" class="function"><a href="../generator.html#Generator.into_sql">into_sql</a></dd> + <dd id="Redshift.Generator.from_sql" class="function"><a href="../generator.html#Generator.from_sql">from_sql</a></dd> + <dd id="Redshift.Generator.group_sql" class="function"><a href="../generator.html#Generator.group_sql">group_sql</a></dd> + <dd id="Redshift.Generator.having_sql" class="function"><a href="../generator.html#Generator.having_sql">having_sql</a></dd> + <dd id="Redshift.Generator.join_sql" class="function"><a href="../generator.html#Generator.join_sql">join_sql</a></dd> + <dd id="Redshift.Generator.lambda_sql" class="function"><a href="../generator.html#Generator.lambda_sql">lambda_sql</a></dd> + <dd id="Redshift.Generator.lateral_sql" class="function"><a href="../generator.html#Generator.lateral_sql">lateral_sql</a></dd> + <dd id="Redshift.Generator.limit_sql" class="function"><a href="../generator.html#Generator.limit_sql">limit_sql</a></dd> + <dd id="Redshift.Generator.offset_sql" class="function"><a href="../generator.html#Generator.offset_sql">offset_sql</a></dd> + <dd id="Redshift.Generator.lock_sql" class="function"><a href="../generator.html#Generator.lock_sql">lock_sql</a></dd> + <dd id="Redshift.Generator.literal_sql" class="function"><a href="../generator.html#Generator.literal_sql">literal_sql</a></dd> + <dd id="Redshift.Generator.loaddata_sql" class="function"><a href="../generator.html#Generator.loaddata_sql">loaddata_sql</a></dd> + <dd id="Redshift.Generator.null_sql" class="function"><a href="../generator.html#Generator.null_sql">null_sql</a></dd> + <dd id="Redshift.Generator.boolean_sql" class="function"><a href="../generator.html#Generator.boolean_sql">boolean_sql</a></dd> + <dd id="Redshift.Generator.order_sql" class="function"><a href="../generator.html#Generator.order_sql">order_sql</a></dd> + <dd id="Redshift.Generator.cluster_sql" class="function"><a href="../generator.html#Generator.cluster_sql">cluster_sql</a></dd> + <dd id="Redshift.Generator.distribute_sql" class="function"><a href="../generator.html#Generator.distribute_sql">distribute_sql</a></dd> + <dd id="Redshift.Generator.sort_sql" class="function"><a href="../generator.html#Generator.sort_sql">sort_sql</a></dd> + <dd id="Redshift.Generator.ordered_sql" class="function"><a href="../generator.html#Generator.ordered_sql">ordered_sql</a></dd> + <dd id="Redshift.Generator.matchrecognize_sql" class="function"><a href="../generator.html#Generator.matchrecognize_sql">matchrecognize_sql</a></dd> + <dd id="Redshift.Generator.query_modifiers" class="function"><a href="../generator.html#Generator.query_modifiers">query_modifiers</a></dd> + <dd id="Redshift.Generator.select_sql" class="function"><a href="../generator.html#Generator.select_sql">select_sql</a></dd> + <dd id="Redshift.Generator.schema_sql" class="function"><a href="../generator.html#Generator.schema_sql">schema_sql</a></dd> + <dd id="Redshift.Generator.star_sql" class="function"><a href="../generator.html#Generator.star_sql">star_sql</a></dd> + <dd id="Redshift.Generator.structkwarg_sql" class="function"><a href="../generator.html#Generator.structkwarg_sql">structkwarg_sql</a></dd> + <dd id="Redshift.Generator.parameter_sql" class="function"><a href="../generator.html#Generator.parameter_sql">parameter_sql</a></dd> + <dd id="Redshift.Generator.sessionparameter_sql" class="function"><a href="../generator.html#Generator.sessionparameter_sql">sessionparameter_sql</a></dd> + <dd id="Redshift.Generator.placeholder_sql" class="function"><a href="../generator.html#Generator.placeholder_sql">placeholder_sql</a></dd> + <dd id="Redshift.Generator.subquery_sql" class="function"><a href="../generator.html#Generator.subquery_sql">subquery_sql</a></dd> + <dd id="Redshift.Generator.qualify_sql" class="function"><a href="../generator.html#Generator.qualify_sql">qualify_sql</a></dd> + <dd id="Redshift.Generator.union_sql" class="function"><a href="../generator.html#Generator.union_sql">union_sql</a></dd> + <dd id="Redshift.Generator.union_op" class="function"><a href="../generator.html#Generator.union_op">union_op</a></dd> + <dd id="Redshift.Generator.unnest_sql" class="function"><a href="../generator.html#Generator.unnest_sql">unnest_sql</a></dd> + <dd id="Redshift.Generator.where_sql" class="function"><a href="../generator.html#Generator.where_sql">where_sql</a></dd> + <dd id="Redshift.Generator.window_sql" class="function"><a href="../generator.html#Generator.window_sql">window_sql</a></dd> + <dd id="Redshift.Generator.partition_by_sql" class="function"><a href="../generator.html#Generator.partition_by_sql">partition_by_sql</a></dd> + <dd id="Redshift.Generator.window_spec_sql" class="function"><a href="../generator.html#Generator.window_spec_sql">window_spec_sql</a></dd> + <dd id="Redshift.Generator.withingroup_sql" class="function"><a href="../generator.html#Generator.withingroup_sql">withingroup_sql</a></dd> + <dd id="Redshift.Generator.between_sql" class="function"><a href="../generator.html#Generator.between_sql">between_sql</a></dd> + <dd id="Redshift.Generator.bracket_sql" class="function"><a href="../generator.html#Generator.bracket_sql">bracket_sql</a></dd> + <dd id="Redshift.Generator.all_sql" class="function"><a href="../generator.html#Generator.all_sql">all_sql</a></dd> + <dd id="Redshift.Generator.any_sql" class="function"><a href="../generator.html#Generator.any_sql">any_sql</a></dd> + <dd id="Redshift.Generator.exists_sql" class="function"><a href="../generator.html#Generator.exists_sql">exists_sql</a></dd> + <dd id="Redshift.Generator.case_sql" class="function"><a href="../generator.html#Generator.case_sql">case_sql</a></dd> + <dd id="Redshift.Generator.constraint_sql" class="function"><a href="../generator.html#Generator.constraint_sql">constraint_sql</a></dd> + <dd id="Redshift.Generator.extract_sql" class="function"><a href="../generator.html#Generator.extract_sql">extract_sql</a></dd> + <dd id="Redshift.Generator.trim_sql" class="function"><a href="../generator.html#Generator.trim_sql">trim_sql</a></dd> + <dd id="Redshift.Generator.concat_sql" class="function"><a href="../generator.html#Generator.concat_sql">concat_sql</a></dd> + <dd id="Redshift.Generator.check_sql" class="function"><a href="../generator.html#Generator.check_sql">check_sql</a></dd> + <dd id="Redshift.Generator.foreignkey_sql" class="function"><a href="../generator.html#Generator.foreignkey_sql">foreignkey_sql</a></dd> + <dd id="Redshift.Generator.primarykey_sql" class="function"><a href="../generator.html#Generator.primarykey_sql">primarykey_sql</a></dd> + <dd id="Redshift.Generator.unique_sql" class="function"><a href="../generator.html#Generator.unique_sql">unique_sql</a></dd> + <dd id="Redshift.Generator.if_sql" class="function"><a href="../generator.html#Generator.if_sql">if_sql</a></dd> + <dd id="Redshift.Generator.in_sql" class="function"><a href="../generator.html#Generator.in_sql">in_sql</a></dd> + <dd id="Redshift.Generator.in_unnest_op" class="function"><a href="../generator.html#Generator.in_unnest_op">in_unnest_op</a></dd> + <dd id="Redshift.Generator.interval_sql" class="function"><a href="../generator.html#Generator.interval_sql">interval_sql</a></dd> + <dd id="Redshift.Generator.return_sql" class="function"><a href="../generator.html#Generator.return_sql">return_sql</a></dd> + <dd id="Redshift.Generator.reference_sql" class="function"><a href="../generator.html#Generator.reference_sql">reference_sql</a></dd> + <dd id="Redshift.Generator.anonymous_sql" class="function"><a href="../generator.html#Generator.anonymous_sql">anonymous_sql</a></dd> + <dd id="Redshift.Generator.paren_sql" class="function"><a href="../generator.html#Generator.paren_sql">paren_sql</a></dd> + <dd id="Redshift.Generator.neg_sql" class="function"><a href="../generator.html#Generator.neg_sql">neg_sql</a></dd> + <dd id="Redshift.Generator.not_sql" class="function"><a href="../generator.html#Generator.not_sql">not_sql</a></dd> + <dd id="Redshift.Generator.alias_sql" class="function"><a href="../generator.html#Generator.alias_sql">alias_sql</a></dd> + <dd id="Redshift.Generator.aliases_sql" class="function"><a href="../generator.html#Generator.aliases_sql">aliases_sql</a></dd> + <dd id="Redshift.Generator.attimezone_sql" class="function"><a href="../generator.html#Generator.attimezone_sql">attimezone_sql</a></dd> + <dd id="Redshift.Generator.add_sql" class="function"><a href="../generator.html#Generator.add_sql">add_sql</a></dd> + <dd id="Redshift.Generator.and_sql" class="function"><a href="../generator.html#Generator.and_sql">and_sql</a></dd> + <dd id="Redshift.Generator.connector_sql" class="function"><a href="../generator.html#Generator.connector_sql">connector_sql</a></dd> + <dd id="Redshift.Generator.bitwiseand_sql" class="function"><a href="../generator.html#Generator.bitwiseand_sql">bitwiseand_sql</a></dd> + <dd id="Redshift.Generator.bitwiseleftshift_sql" class="function"><a href="../generator.html#Generator.bitwiseleftshift_sql">bitwiseleftshift_sql</a></dd> + <dd id="Redshift.Generator.bitwisenot_sql" class="function"><a href="../generator.html#Generator.bitwisenot_sql">bitwisenot_sql</a></dd> + <dd id="Redshift.Generator.bitwiseor_sql" class="function"><a href="../generator.html#Generator.bitwiseor_sql">bitwiseor_sql</a></dd> + <dd id="Redshift.Generator.bitwiserightshift_sql" class="function"><a href="../generator.html#Generator.bitwiserightshift_sql">bitwiserightshift_sql</a></dd> + <dd id="Redshift.Generator.bitwisexor_sql" class="function"><a href="../generator.html#Generator.bitwisexor_sql">bitwisexor_sql</a></dd> + <dd id="Redshift.Generator.cast_sql" class="function"><a href="../generator.html#Generator.cast_sql">cast_sql</a></dd> + <dd id="Redshift.Generator.currentdate_sql" class="function"><a href="../generator.html#Generator.currentdate_sql">currentdate_sql</a></dd> + <dd id="Redshift.Generator.collate_sql" class="function"><a href="../generator.html#Generator.collate_sql">collate_sql</a></dd> + <dd id="Redshift.Generator.command_sql" class="function"><a href="../generator.html#Generator.command_sql">command_sql</a></dd> + <dd id="Redshift.Generator.transaction_sql" class="function"><a href="../generator.html#Generator.transaction_sql">transaction_sql</a></dd> + <dd id="Redshift.Generator.commit_sql" class="function"><a href="../generator.html#Generator.commit_sql">commit_sql</a></dd> + <dd id="Redshift.Generator.rollback_sql" class="function"><a href="../generator.html#Generator.rollback_sql">rollback_sql</a></dd> + <dd id="Redshift.Generator.altercolumn_sql" class="function"><a href="../generator.html#Generator.altercolumn_sql">altercolumn_sql</a></dd> + <dd id="Redshift.Generator.altertable_sql" class="function"><a href="../generator.html#Generator.altertable_sql">altertable_sql</a></dd> + <dd id="Redshift.Generator.droppartition_sql" class="function"><a href="../generator.html#Generator.droppartition_sql">droppartition_sql</a></dd> + <dd id="Redshift.Generator.addconstraint_sql" class="function"><a href="../generator.html#Generator.addconstraint_sql">addconstraint_sql</a></dd> + <dd id="Redshift.Generator.distinct_sql" class="function"><a href="../generator.html#Generator.distinct_sql">distinct_sql</a></dd> + <dd id="Redshift.Generator.ignorenulls_sql" class="function"><a href="../generator.html#Generator.ignorenulls_sql">ignorenulls_sql</a></dd> + <dd id="Redshift.Generator.respectnulls_sql" class="function"><a href="../generator.html#Generator.respectnulls_sql">respectnulls_sql</a></dd> + <dd id="Redshift.Generator.intdiv_sql" class="function"><a href="../generator.html#Generator.intdiv_sql">intdiv_sql</a></dd> + <dd id="Redshift.Generator.dpipe_sql" class="function"><a href="../generator.html#Generator.dpipe_sql">dpipe_sql</a></dd> + <dd id="Redshift.Generator.div_sql" class="function"><a href="../generator.html#Generator.div_sql">div_sql</a></dd> + <dd id="Redshift.Generator.distance_sql" class="function"><a href="../generator.html#Generator.distance_sql">distance_sql</a></dd> + <dd id="Redshift.Generator.dot_sql" class="function"><a href="../generator.html#Generator.dot_sql">dot_sql</a></dd> + <dd id="Redshift.Generator.eq_sql" class="function"><a href="../generator.html#Generator.eq_sql">eq_sql</a></dd> + <dd id="Redshift.Generator.escape_sql" class="function"><a href="../generator.html#Generator.escape_sql">escape_sql</a></dd> + <dd id="Redshift.Generator.glob_sql" class="function"><a href="../generator.html#Generator.glob_sql">glob_sql</a></dd> + <dd id="Redshift.Generator.gt_sql" class="function"><a href="../generator.html#Generator.gt_sql">gt_sql</a></dd> + <dd id="Redshift.Generator.gte_sql" class="function"><a href="../generator.html#Generator.gte_sql">gte_sql</a></dd> + <dd id="Redshift.Generator.ilike_sql" class="function"><a href="../generator.html#Generator.ilike_sql">ilike_sql</a></dd> + <dd id="Redshift.Generator.is_sql" class="function"><a href="../generator.html#Generator.is_sql">is_sql</a></dd> + <dd id="Redshift.Generator.like_sql" class="function"><a href="../generator.html#Generator.like_sql">like_sql</a></dd> + <dd id="Redshift.Generator.similarto_sql" class="function"><a href="../generator.html#Generator.similarto_sql">similarto_sql</a></dd> + <dd id="Redshift.Generator.lt_sql" class="function"><a href="../generator.html#Generator.lt_sql">lt_sql</a></dd> + <dd id="Redshift.Generator.lte_sql" class="function"><a href="../generator.html#Generator.lte_sql">lte_sql</a></dd> + <dd id="Redshift.Generator.mod_sql" class="function"><a href="../generator.html#Generator.mod_sql">mod_sql</a></dd> + <dd id="Redshift.Generator.mul_sql" class="function"><a href="../generator.html#Generator.mul_sql">mul_sql</a></dd> + <dd id="Redshift.Generator.neq_sql" class="function"><a href="../generator.html#Generator.neq_sql">neq_sql</a></dd> + <dd id="Redshift.Generator.nullsafeeq_sql" class="function"><a href="../generator.html#Generator.nullsafeeq_sql">nullsafeeq_sql</a></dd> + <dd id="Redshift.Generator.nullsafeneq_sql" class="function"><a href="../generator.html#Generator.nullsafeneq_sql">nullsafeneq_sql</a></dd> + <dd id="Redshift.Generator.or_sql" class="function"><a href="../generator.html#Generator.or_sql">or_sql</a></dd> + <dd id="Redshift.Generator.slice_sql" class="function"><a href="../generator.html#Generator.slice_sql">slice_sql</a></dd> + <dd id="Redshift.Generator.sub_sql" class="function"><a href="../generator.html#Generator.sub_sql">sub_sql</a></dd> + <dd id="Redshift.Generator.trycast_sql" class="function"><a href="../generator.html#Generator.trycast_sql">trycast_sql</a></dd> + <dd id="Redshift.Generator.use_sql" class="function"><a href="../generator.html#Generator.use_sql">use_sql</a></dd> + <dd id="Redshift.Generator.binary" class="function"><a href="../generator.html#Generator.binary">binary</a></dd> + <dd id="Redshift.Generator.function_fallback_sql" class="function"><a href="../generator.html#Generator.function_fallback_sql">function_fallback_sql</a></dd> + <dd id="Redshift.Generator.format_args" class="function"><a href="../generator.html#Generator.format_args">format_args</a></dd> + <dd id="Redshift.Generator.text_width" class="function"><a href="../generator.html#Generator.text_width">text_width</a></dd> + <dd id="Redshift.Generator.format_time" class="function"><a href="../generator.html#Generator.format_time">format_time</a></dd> + <dd id="Redshift.Generator.expressions" class="function"><a href="../generator.html#Generator.expressions">expressions</a></dd> + <dd id="Redshift.Generator.op_expressions" class="function"><a href="../generator.html#Generator.op_expressions">op_expressions</a></dd> + <dd id="Redshift.Generator.naked_property" class="function"><a href="../generator.html#Generator.naked_property">naked_property</a></dd> + <dd id="Redshift.Generator.set_operation" class="function"><a href="../generator.html#Generator.set_operation">set_operation</a></dd> + <dd id="Redshift.Generator.tag_sql" class="function"><a href="../generator.html#Generator.tag_sql">tag_sql</a></dd> + <dd id="Redshift.Generator.token_sql" class="function"><a href="../generator.html#Generator.token_sql">token_sql</a></dd> + <dd id="Redshift.Generator.userdefinedfunction_sql" class="function"><a href="../generator.html#Generator.userdefinedfunction_sql">userdefinedfunction_sql</a></dd> + <dd id="Redshift.Generator.userdefinedfunctionkwarg_sql" class="function"><a href="../generator.html#Generator.userdefinedfunctionkwarg_sql">userdefinedfunctionkwarg_sql</a></dd> + <dd id="Redshift.Generator.joinhint_sql" class="function"><a href="../generator.html#Generator.joinhint_sql">joinhint_sql</a></dd> + <dd id="Redshift.Generator.kwarg_sql" class="function"><a href="../generator.html#Generator.kwarg_sql">kwarg_sql</a></dd> + <dd id="Redshift.Generator.when_sql" class="function"><a href="../generator.html#Generator.when_sql">when_sql</a></dd> + <dd id="Redshift.Generator.merge_sql" class="function"><a href="../generator.html#Generator.merge_sql">merge_sql</a></dd> + + </div> + </dl> + </div> + </section> + </main> +<script> + function escapeHTML(html) { + return document.createElement('div').appendChild(document.createTextNode(html)).parentNode.innerHTML; + } + + const originalContent 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(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>
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