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href="#Dialects.DUCKDB">DUCKDB</a> + </li> + <li> + <a class="variable" href="#Dialects.HIVE">HIVE</a> + </li> + <li> + <a class="variable" href="#Dialects.MYSQL">MYSQL</a> + </li> + <li> + <a class="variable" href="#Dialects.ORACLE">ORACLE</a> + </li> + <li> + <a class="variable" href="#Dialects.POSTGRES">POSTGRES</a> + </li> + <li> + <a class="variable" href="#Dialects.PRESTO">PRESTO</a> + </li> + <li> + <a class="variable" href="#Dialects.REDSHIFT">REDSHIFT</a> + </li> + <li> + <a class="variable" href="#Dialects.SNOWFLAKE">SNOWFLAKE</a> + </li> + <li> + <a class="variable" href="#Dialects.SPARK">SPARK</a> + </li> + <li> + <a class="variable" href="#Dialects.SQLITE">SQLITE</a> + </li> + <li> + <a class="variable" href="#Dialects.STARROCKS">STARROCKS</a> + </li> + <li> + <a class="variable" href="#Dialects.TABLEAU">TABLEAU</a> + </li> + <li> + <a class="variable" href="#Dialects.TRINO">TRINO</a> + </li> + <li> + <a class="variable" href="#Dialects.TSQL">TSQL</a> + </li> + <li> + <a class="variable" href="#Dialects.DATABRICKS">DATABRICKS</a> + </li> + <li> + <a class="variable" href="#Dialects.DRILL">DRILL</a> + </li> + <li> + <a class="variable" href="#Dialects.TERADATA">TERADATA</a> + </li> + </ul> + + </li> + <li> + <a class="class" href="#Dialect">Dialect</a> + <ul class="memberlist"> + <li> + <a class="function" href="#Dialect.__init__">Dialect</a> + </li> + <li> + <a class="function" href="#Dialect.get_or_raise">get_or_raise</a> + </li> + <li> + <a class="function" href="#Dialect.format_time">format_time</a> + </li> + <li> + <a class="function" href="#Dialect.parse">parse</a> + </li> + <li> + <a class="function" href="#Dialect.parse_into">parse_into</a> + </li> + <li> + <a class="function" href="#Dialect.generate">generate</a> + </li> + <li> + <a class="function" href="#Dialect.transpile">transpile</a> + </li> + <li> + <a class="function" href="#Dialect.parser">parser</a> + </li> + <li> + <a class="function" href="#Dialect.generator">generator</a> + </li> + </ul> + + </li> + <li> + <a class="function" href="#rename_func">rename_func</a> + </li> + <li> + <a class="function" href="#approx_count_distinct_sql">approx_count_distinct_sql</a> + </li> + <li> + <a class="function" href="#if_sql">if_sql</a> + </li> + <li> + <a class="function" href="#arrow_json_extract_sql">arrow_json_extract_sql</a> + </li> + <li> + <a class="function" href="#arrow_json_extract_scalar_sql">arrow_json_extract_scalar_sql</a> + </li> + <li> + <a class="function" href="#inline_array_sql">inline_array_sql</a> + </li> + <li> + <a class="function" href="#no_ilike_sql">no_ilike_sql</a> + </li> + <li> + <a class="function" href="#no_paren_current_date_sql">no_paren_current_date_sql</a> + </li> + <li> + <a class="function" href="#no_recursive_cte_sql">no_recursive_cte_sql</a> + </li> + <li> + <a class="function" href="#no_safe_divide_sql">no_safe_divide_sql</a> + </li> + <li> + <a class="function" href="#no_tablesample_sql">no_tablesample_sql</a> + </li> + <li> + <a class="function" href="#no_pivot_sql">no_pivot_sql</a> + </li> + <li> + <a class="function" href="#no_trycast_sql">no_trycast_sql</a> + </li> + <li> + <a class="function" href="#no_properties_sql">no_properties_sql</a> + </li> + <li> + <a class="function" href="#str_position_sql">str_position_sql</a> + </li> + <li> + <a class="function" href="#struct_extract_sql">struct_extract_sql</a> + </li> + <li> + <a class="function" href="#var_map_sql">var_map_sql</a> + </li> + <li> + <a class="function" href="#format_time_lambda">format_time_lambda</a> + </li> + <li> + <a class="function" href="#create_with_partitions_sql">create_with_partitions_sql</a> + </li> + <li> + <a class="function" href="#parse_date_delta">parse_date_delta</a> + </li> + <li> + <a class="function" href="#locate_to_strposition">locate_to_strposition</a> + </li> + <li> + <a class="function" href="#strposition_to_locate_sql">strposition_to_locate_sql</a> + </li> + <li> + <a class="function" href="#timestrtotime_sql">timestrtotime_sql</a> + </li> + <li> + <a class="function" href="#datestrtodate_sql">datestrtodate_sql</a> + </li> + <li> + <a class="function" href="#trim_sql">trim_sql</a> + </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/dialect.py">Edit on GitHub</a> + <h1 class="modulename"> +<a href="./../../sqlglot.html">sqlglot</a><wbr>.<a href="./../dialects.html">dialects</a><wbr>.dialect </h1> + + + <input id="mod-dialect-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> + + <label class="view-source-button" for="mod-dialect-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 class="kn">from</span> <span class="nn">enum</span> <span class="kn">import</span> <span class="n">Enum</span> +</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a> +</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">exp</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.generator</span> <span class="kn">import</span> <span class="n">Generator</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.helper</span> <span class="kn">import</span> <span class="n">flatten</span><span class="p">,</span> <span class="n">seq_get</span> +</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.parser</span> <span class="kn">import</span> <span class="n">Parser</span> +</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="kn">from</span> <span class="nn">sqlglot.time</span> <span class="kn">import</span> <span class="n">format_time</span> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">Tokenizer</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a><span class="kn">from</span> <span class="nn">sqlglot.trie</span> <span class="kn">import</span> <span class="n">new_trie</span> +</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> +</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a><span class="n">E</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"E"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> +</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> +</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> +</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> +</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span> +</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span> +</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a><span class="k">class</span> <span class="nc">_Dialect</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">classes</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</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><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="nd">@classmethod</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="nd">@classmethod</span> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <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">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]:</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">)</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">enum</span> <span class="o">=</span> <span class="n">Dialects</span><span class="o">.</span><span class="n">__members__</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">clsname</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">enum</span><span class="o">.</span><span class="n">value</span> <span class="k">if</span> <span class="n">enum</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">clsname</span><span class="o">.</span><span class="n">lower</span><span class="p">()]</span> <span class="o">=</span> <span class="n">klass</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">time_trie</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">)</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">inverse_time_mapping</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="p">:</span> <span class="n">k</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">time_mapping</span><span class="o">.</span><span class="n">items</span><span class="p">()}</span> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">inverse_time_trie</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">inverse_time_mapping</span><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">klass</span><span class="o">.</span><span class="n">tokenizer_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Tokenizer"</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">)</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Parser"</span><span class="p">,</span> <span class="n">Parser</span><span class="p">)</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Generator"</span><span class="p">,</span> <span class="n">Generator</span><span class="p">)</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">quote_start</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">quote_end</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_QUOTES</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">identifier_start</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">identifier_end</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_IDENTIFIERS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="p">)[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_BIT_STRINGS</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="ow">and</span> <span class="n">exp</span><span class="o">.</span><span class="n">BitString</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">TRANSFORMS</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 class="n">bs_start</span><span class="p">,</span> <span class="n">bs_end</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_BIT_STRINGS</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">[</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">BitString</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="p">]</span> <span class="o">=</span> <span class="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="n">bs_start</span><span class="si">}{</span><span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">))</span><span class="si">:</span><span class="s2">b</span><span class="si">}{</span><span class="n">bs_end</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_HEX_STRINGS</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="ow">and</span> <span class="n">exp</span><span class="o">.</span><span class="n">HexString</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">TRANSFORMS</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="p">):</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">hs_start</span><span class="p">,</span> <span class="n">hs_end</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_HEX_STRINGS</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">[</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">HexString</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="p">]</span> <span class="o">=</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="n">hs_start</span><span class="si">}{</span><span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">))</span><span class="si">:</span><span class="s2">X</span><span class="si">}{</span><span class="n">hs_end</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_BYTE_STRINGS</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="ow">and</span> <span class="n">exp</span><span class="o">.</span><span class="n">ByteString</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">TRANSFORMS</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="p">):</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">be_start</span><span class="p">,</span> <span class="n">be_end</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_BYTE_STRINGS</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">[</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ByteString</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="p">]</span> <span class="o">=</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="n">be_start</span><span class="si">}{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}{</span><span class="n">be_end</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">return</span> <span class="n">klass</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">index_offset</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">unnest_column_only</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">alias_post_tablesample</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">normalize_functions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="s2">"upper"</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">null_ordering</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">date_format</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">dateint_format</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">time_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="c1"># autofilled</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">quote_start</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">quote_end</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">identifier_start</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="n">identifier_end</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">time_trie</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">inverse_time_mapping</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="n">inverse_time_trie</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="nd">@classmethod</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</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">dialect</span><span class="p">:</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="bp">cls</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">dialect</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">result</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="nd">@classmethod</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <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-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">format_time</span><span class="p">(</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="c1"># the time formats are quoted</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_trie</span><span class="p">,</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="p">)</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="p">)</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="n">format_time</span><span class="p">(</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_trie</span><span class="p">,</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="p">)</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="p">)</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">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-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="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-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="k">def</span> <span class="nf">generate</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">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="nd">@property</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">()</span> <span class="c1"># type: ignore</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span> <span class="c1"># type: ignore</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="s2">"index_offset"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">index_offset</span><span class="p">,</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="s2">"unnest_column_only"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">unnest_column_only</span><span class="p">,</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="s2">"alias_post_tablesample"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias_post_tablesample</span><span class="p">,</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="s2">"null_ordering"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">null_ordering</span><span class="p">,</span> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="p">},</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="p">)</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span> <span class="c1"># type: ignore</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="s2">"quote_start"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">quote_start</span><span class="p">,</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="s2">"quote_end"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">quote_end</span><span class="p">,</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="s2">"identifier_start"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">identifier_start</span><span class="p">,</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="s2">"identifier_end"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">identifier_end</span><span class="p">,</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="s2">"string_escape"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">STRING_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="s2">"identifier_escape"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">IDENTIFIER_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="s2">"index_offset"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">index_offset</span><span class="p">,</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="s2">"time_mapping"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_time_mapping</span><span class="p">,</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="s2">"time_trie"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_time_trie</span><span class="p">,</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="s2">"unnest_column_only"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">unnest_column_only</span><span class="p">,</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="s2">"alias_post_tablesample"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias_post_tablesample</span><span class="p">,</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="s2">"normalize_functions"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize_functions</span><span class="p">,</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="s2">"null_ordering"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">null_ordering</span><span class="p">,</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="p">}</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="p">)</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a><span class="n">DialectType</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">def</span> <span class="nf">_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">):</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="n">args</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">normalize_func</span><span class="p">(</span><span class="n">name</span><span class="p">)</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">return</span> <span class="n">_rename</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"APPROX_COUNT_DISTINCT(</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="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="p">)</span> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">expressions</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> +</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expression"</span><span class="p">],</span> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="p">)</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="p">)</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">zone</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-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span> +</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="n">n</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-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">d</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">"expression"</span><span class="p">)</span> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">return</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="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">return</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><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">return</span> <span class="s2">""</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</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-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">substr</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">"substr"</span><span class="p">)</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">position</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">"position"</span><span class="p">)</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</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-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="n">struct_key</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">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">struct_key</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> +</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">map_func_name</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span><span class="w"> </span><span class="n">values</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">map_func_name</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> +</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> +</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a><span class="sd"> Args:</span> +</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a><span class="sd"> exp_class: the expression class to instantiate.</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a><span class="sd"> dialect: target sql dialect.</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a><span class="sd"> default: the default format, True being time.</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a><span class="sd"> Returns:</span> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a><span class="sd"> """</span> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">):</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">time_format</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="p">),</span> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="p">)</span> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> +</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">return</span> <span class="n">_format_time</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a><span class="sd"> columns are removed from the create statement.</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a><span class="sd"> """</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">is_partitionable</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">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</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-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="ow">not</span> <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">Schema</span><span class="p">):</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="n">schema</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">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span> <span class="c1"># type: ignore</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">return</span> <span class="n">inner_func</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> +</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="p">)</span> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="n">args</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <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">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">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">"position"</span><span class="p">)</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="p">)</span> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"LOCATE(</span><span class="si">{</span><span class="n">args</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS TIMESTAMP)"</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">target</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-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">trim_type</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">"position"</span><span class="p">)</span> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="n">remove_chars</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">"expression"</span><span class="p">)</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="n">collation</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">"collation"</span><span class="p">)</span> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span> +</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span> +</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> +</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span> +</span></pre></div> + + + </section> + <section id="Dialects"> + <input id="Dialects-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">Dialects</span><wbr>(<span class="base">builtins.str</span>, <span class="base">enum.Enum</span>): + + <label class="view-source-button" for="Dialects-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialects"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialects-18"><a href="#Dialects-18"><span class="linenos">18</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span> +</span><span id="Dialects-19"><a href="#Dialects-19"><span class="linenos">19</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="Dialects-20"><a href="#Dialects-20"><span class="linenos">20</span></a> +</span><span id="Dialects-21"><a href="#Dialects-21"><span class="linenos">21</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span> +</span><span id="Dialects-22"><a href="#Dialects-22"><span class="linenos">22</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span> +</span><span id="Dialects-23"><a href="#Dialects-23"><span class="linenos">23</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span> +</span><span id="Dialects-24"><a href="#Dialects-24"><span class="linenos">24</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span> +</span><span id="Dialects-25"><a href="#Dialects-25"><span class="linenos">25</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span> +</span><span id="Dialects-26"><a href="#Dialects-26"><span class="linenos">26</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span> +</span><span id="Dialects-27"><a href="#Dialects-27"><span class="linenos">27</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span> +</span><span id="Dialects-28"><a href="#Dialects-28"><span class="linenos">28</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span> +</span><span id="Dialects-29"><a href="#Dialects-29"><span class="linenos">29</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span> +</span><span id="Dialects-30"><a href="#Dialects-30"><span class="linenos">30</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span> +</span><span id="Dialects-31"><a href="#Dialects-31"><span class="linenos">31</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span> +</span><span id="Dialects-32"><a href="#Dialects-32"><span class="linenos">32</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span> +</span><span id="Dialects-33"><a href="#Dialects-33"><span class="linenos">33</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span> +</span><span id="Dialects-34"><a href="#Dialects-34"><span class="linenos">34</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span> +</span><span id="Dialects-35"><a href="#Dialects-35"><span class="linenos">35</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span> +</span><span id="Dialects-36"><a href="#Dialects-36"><span class="linenos">36</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span> +</span><span id="Dialects-37"><a href="#Dialects-37"><span class="linenos">37</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span> +</span><span id="Dialects-38"><a href="#Dialects-38"><span class="linenos">38</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span> +</span><span id="Dialects-39"><a href="#Dialects-39"><span class="linenos">39</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span> +</span></pre></div> + + + <div class="docstring"><p>An enumeration.</p> +</div> + + + <div id="Dialects.DIALECT" class="classattr"> + <div class="attr variable"> + <span class="name">DIALECT</span><span class="default_value"> = <<a href="#Dialects.DIALECT">Dialects.DIALECT</a>: ''></span> + + + </div> + <a class="headerlink" href="#Dialects.DIALECT"></a> + + + + </div> + <div id="Dialects.BIGQUERY" class="classattr"> + <div class="attr variable"> + <span class="name">BIGQUERY</span><span class="default_value"> = <<a href="#Dialects.BIGQUERY">Dialects.BIGQUERY</a>: 'bigquery'></span> + + + </div> + <a class="headerlink" href="#Dialects.BIGQUERY"></a> + + + + </div> + <div id="Dialects.CLICKHOUSE" class="classattr"> + <div class="attr variable"> + <span class="name">CLICKHOUSE</span><span class="default_value"> = <<a href="#Dialects.CLICKHOUSE">Dialects.CLICKHOUSE</a>: 'clickhouse'></span> + + + </div> + <a class="headerlink" href="#Dialects.CLICKHOUSE"></a> + + + + </div> + <div id="Dialects.DUCKDB" class="classattr"> + <div class="attr variable"> + <span class="name">DUCKDB</span><span class="default_value"> = <<a href="#Dialects.DUCKDB">Dialects.DUCKDB</a>: 'duckdb'></span> + + + </div> + <a class="headerlink" href="#Dialects.DUCKDB"></a> + + + + </div> + <div id="Dialects.HIVE" class="classattr"> + <div class="attr variable"> + <span class="name">HIVE</span><span class="default_value"> = <<a href="#Dialects.HIVE">Dialects.HIVE</a>: 'hive'></span> + + + </div> + <a class="headerlink" href="#Dialects.HIVE"></a> + + + + </div> + <div id="Dialects.MYSQL" class="classattr"> + <div class="attr variable"> + <span class="name">MYSQL</span><span class="default_value"> = <<a href="#Dialects.MYSQL">Dialects.MYSQL</a>: 'mysql'></span> + + + </div> + <a class="headerlink" href="#Dialects.MYSQL"></a> + + + + </div> + <div id="Dialects.ORACLE" class="classattr"> + <div class="attr variable"> + <span class="name">ORACLE</span><span class="default_value"> = <<a href="#Dialects.ORACLE">Dialects.ORACLE</a>: 'oracle'></span> + + + </div> + <a class="headerlink" href="#Dialects.ORACLE"></a> + + + + </div> + <div id="Dialects.POSTGRES" class="classattr"> + <div class="attr variable"> + <span class="name">POSTGRES</span><span class="default_value"> = <<a href="#Dialects.POSTGRES">Dialects.POSTGRES</a>: 'postgres'></span> + + + </div> + <a class="headerlink" href="#Dialects.POSTGRES"></a> + + + + </div> + <div id="Dialects.PRESTO" class="classattr"> + <div class="attr variable"> + <span class="name">PRESTO</span><span class="default_value"> = <<a href="#Dialects.PRESTO">Dialects.PRESTO</a>: 'presto'></span> + + + </div> + <a class="headerlink" href="#Dialects.PRESTO"></a> + + + + </div> + <div id="Dialects.REDSHIFT" class="classattr"> + <div class="attr variable"> + <span class="name">REDSHIFT</span><span class="default_value"> = <<a href="#Dialects.REDSHIFT">Dialects.REDSHIFT</a>: 'redshift'></span> + + + </div> + <a class="headerlink" href="#Dialects.REDSHIFT"></a> + + + + </div> + <div id="Dialects.SNOWFLAKE" class="classattr"> + <div class="attr variable"> + <span class="name">SNOWFLAKE</span><span class="default_value"> = <<a href="#Dialects.SNOWFLAKE">Dialects.SNOWFLAKE</a>: 'snowflake'></span> + + + </div> + <a class="headerlink" href="#Dialects.SNOWFLAKE"></a> + + + + </div> + <div id="Dialects.SPARK" class="classattr"> + <div class="attr variable"> + <span class="name">SPARK</span><span class="default_value"> = <<a href="#Dialects.SPARK">Dialects.SPARK</a>: 'spark'></span> + + + </div> + <a class="headerlink" href="#Dialects.SPARK"></a> + + + + </div> + <div id="Dialects.SQLITE" class="classattr"> + <div class="attr variable"> + <span class="name">SQLITE</span><span class="default_value"> = <<a href="#Dialects.SQLITE">Dialects.SQLITE</a>: 'sqlite'></span> + + + </div> + <a class="headerlink" href="#Dialects.SQLITE"></a> + + + + </div> + <div id="Dialects.STARROCKS" class="classattr"> + <div class="attr variable"> + <span class="name">STARROCKS</span><span class="default_value"> = <<a href="#Dialects.STARROCKS">Dialects.STARROCKS</a>: 'starrocks'></span> + + + </div> + <a class="headerlink" href="#Dialects.STARROCKS"></a> + + + + </div> + <div id="Dialects.TABLEAU" class="classattr"> + <div class="attr variable"> + <span class="name">TABLEAU</span><span class="default_value"> = <<a href="#Dialects.TABLEAU">Dialects.TABLEAU</a>: 'tableau'></span> + + + </div> + <a class="headerlink" href="#Dialects.TABLEAU"></a> + + + + </div> + <div id="Dialects.TRINO" class="classattr"> + <div class="attr variable"> + <span class="name">TRINO</span><span class="default_value"> = <<a href="#Dialects.TRINO">Dialects.TRINO</a>: 'trino'></span> + + + </div> + <a class="headerlink" href="#Dialects.TRINO"></a> + + + + </div> + <div id="Dialects.TSQL" class="classattr"> + <div class="attr variable"> + <span class="name">TSQL</span><span class="default_value"> = <<a href="#Dialects.TSQL">Dialects.TSQL</a>: 'tsql'></span> + + + </div> + <a class="headerlink" href="#Dialects.TSQL"></a> + + + + </div> + <div id="Dialects.DATABRICKS" class="classattr"> + <div class="attr variable"> + <span class="name">DATABRICKS</span><span class="default_value"> = <<a href="#Dialects.DATABRICKS">Dialects.DATABRICKS</a>: 'databricks'></span> + + + </div> + <a class="headerlink" href="#Dialects.DATABRICKS"></a> + + + + </div> + <div id="Dialects.DRILL" class="classattr"> + <div class="attr variable"> + <span class="name">DRILL</span><span class="default_value"> = <<a href="#Dialects.DRILL">Dialects.DRILL</a>: 'drill'></span> + + + </div> + <a class="headerlink" href="#Dialects.DRILL"></a> + + + + </div> + <div id="Dialects.TERADATA" class="classattr"> + <div class="attr variable"> + <span class="name">TERADATA</span><span class="default_value"> = <<a href="#Dialects.TERADATA">Dialects.TERADATA</a>: 'teradata'></span> + + + </div> + <a class="headerlink" href="#Dialects.TERADATA"></a> + + + + </div> + <div class="inherited"> + <h5>Inherited Members</h5> + <dl> + <div><dt>enum.Enum</dt> + <dd id="Dialects.name" class="variable">name</dd> + <dd id="Dialects.value" class="variable">value</dd> + + </div> + <div><dt>builtins.str</dt> + <dd id="Dialects.encode" class="function">encode</dd> + <dd id="Dialects.replace" class="function">replace</dd> + <dd id="Dialects.split" class="function">split</dd> + <dd id="Dialects.rsplit" class="function">rsplit</dd> + <dd id="Dialects.join" class="function">join</dd> + <dd id="Dialects.capitalize" class="function">capitalize</dd> + <dd id="Dialects.casefold" class="function">casefold</dd> + <dd id="Dialects.title" class="function">title</dd> + <dd id="Dialects.center" class="function">center</dd> + <dd id="Dialects.count" class="function">count</dd> + <dd id="Dialects.expandtabs" class="function">expandtabs</dd> + <dd id="Dialects.find" class="function">find</dd> + <dd id="Dialects.partition" class="function">partition</dd> + <dd id="Dialects.index" class="function">index</dd> + <dd id="Dialects.ljust" class="function">ljust</dd> + <dd id="Dialects.lower" class="function">lower</dd> + <dd id="Dialects.lstrip" class="function">lstrip</dd> + <dd id="Dialects.rfind" class="function">rfind</dd> + <dd id="Dialects.rindex" class="function">rindex</dd> + <dd id="Dialects.rjust" class="function">rjust</dd> + <dd id="Dialects.rstrip" class="function">rstrip</dd> + <dd id="Dialects.rpartition" class="function">rpartition</dd> + <dd id="Dialects.splitlines" class="function">splitlines</dd> + <dd id="Dialects.strip" class="function">strip</dd> + <dd id="Dialects.swapcase" class="function">swapcase</dd> + <dd id="Dialects.translate" class="function">translate</dd> + <dd id="Dialects.upper" class="function">upper</dd> + <dd id="Dialects.startswith" class="function">startswith</dd> + <dd id="Dialects.endswith" class="function">endswith</dd> + <dd id="Dialects.removeprefix" class="function">removeprefix</dd> + <dd id="Dialects.removesuffix" class="function">removesuffix</dd> + <dd id="Dialects.isascii" class="function">isascii</dd> + <dd id="Dialects.islower" class="function">islower</dd> + <dd id="Dialects.isupper" class="function">isupper</dd> + <dd id="Dialects.istitle" class="function">istitle</dd> + <dd id="Dialects.isspace" class="function">isspace</dd> + <dd id="Dialects.isdecimal" class="function">isdecimal</dd> + <dd id="Dialects.isdigit" class="function">isdigit</dd> + <dd id="Dialects.isnumeric" class="function">isnumeric</dd> + <dd id="Dialects.isalpha" class="function">isalpha</dd> + <dd id="Dialects.isalnum" class="function">isalnum</dd> + <dd id="Dialects.isidentifier" class="function">isidentifier</dd> + <dd id="Dialects.isprintable" class="function">isprintable</dd> + <dd id="Dialects.zfill" class="function">zfill</dd> + <dd id="Dialects.format" class="function">format</dd> + <dd id="Dialects.format_map" class="function">format_map</dd> + <dd id="Dialects.maketrans" class="function">maketrans</dd> + + </div> + </dl> + </div> + </section> + <section id="Dialect"> + <input id="Dialect-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">Dialect</span>: + + <label class="view-source-button" for="Dialect-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect-101"><a href="#Dialect-101"><span class="linenos">101</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span> +</span><span id="Dialect-102"><a href="#Dialect-102"><span class="linenos">102</span></a> <span class="n">index_offset</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="Dialect-103"><a href="#Dialect-103"><span class="linenos">103</span></a> <span class="n">unnest_column_only</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-104"><a href="#Dialect-104"><span class="linenos">104</span></a> <span class="n">alias_post_tablesample</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-105"><a href="#Dialect-105"><span class="linenos">105</span></a> <span class="n">normalize_functions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="s2">"upper"</span> +</span><span id="Dialect-106"><a href="#Dialect-106"><span class="linenos">106</span></a> <span class="n">null_ordering</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span> +</span><span id="Dialect-107"><a href="#Dialect-107"><span class="linenos">107</span></a> +</span><span id="Dialect-108"><a href="#Dialect-108"><span class="linenos">108</span></a> <span class="n">date_format</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="Dialect-109"><a href="#Dialect-109"><span class="linenos">109</span></a> <span class="n">dateint_format</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="Dialect-110"><a href="#Dialect-110"><span class="linenos">110</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span> +</span><span id="Dialect-111"><a href="#Dialect-111"><span class="linenos">111</span></a> <span class="n">time_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-112"><a href="#Dialect-112"><span class="linenos">112</span></a> +</span><span id="Dialect-113"><a href="#Dialect-113"><span class="linenos">113</span></a> <span class="c1"># autofilled</span> +</span><span id="Dialect-114"><a href="#Dialect-114"><span class="linenos">114</span></a> <span class="n">quote_start</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-115"><a href="#Dialect-115"><span class="linenos">115</span></a> <span class="n">quote_end</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-116"><a href="#Dialect-116"><span class="linenos">116</span></a> <span class="n">identifier_start</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-117"><a href="#Dialect-117"><span class="linenos">117</span></a> <span class="n">identifier_end</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-118"><a href="#Dialect-118"><span class="linenos">118</span></a> +</span><span id="Dialect-119"><a href="#Dialect-119"><span class="linenos">119</span></a> <span class="n">time_trie</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-120"><a href="#Dialect-120"><span class="linenos">120</span></a> <span class="n">inverse_time_mapping</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-121"><a href="#Dialect-121"><span class="linenos">121</span></a> <span class="n">inverse_time_trie</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-122"><a href="#Dialect-122"><span class="linenos">122</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-123"><a href="#Dialect-123"><span class="linenos">123</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-124"><a href="#Dialect-124"><span class="linenos">124</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Dialect-125"><a href="#Dialect-125"><span class="linenos">125</span></a> +</span><span id="Dialect-126"><a href="#Dialect-126"><span class="linenos">126</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-127"><a href="#Dialect-127"><span class="linenos">127</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="Dialect-128"><a href="#Dialect-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> +</span><span id="Dialect-129"><a href="#Dialect-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="bp">cls</span> +</span><span id="Dialect-130"><a href="#Dialect-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> +</span><span id="Dialect-131"><a href="#Dialect-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">dialect</span> +</span><span id="Dialect-132"><a href="#Dialect-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="Dialect-133"><a href="#Dialect-133"><span class="linenos">133</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> +</span><span id="Dialect-134"><a href="#Dialect-134"><span class="linenos">134</span></a> +</span><span id="Dialect-135"><a href="#Dialect-135"><span class="linenos">135</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="Dialect-136"><a href="#Dialect-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> +</span><span id="Dialect-137"><a href="#Dialect-137"><span class="linenos">137</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> +</span><span id="Dialect-138"><a href="#Dialect-138"><span class="linenos">138</span></a> +</span><span id="Dialect-139"><a href="#Dialect-139"><span class="linenos">139</span></a> <span class="k">return</span> <span class="n">result</span> +</span><span id="Dialect-140"><a href="#Dialect-140"><span class="linenos">140</span></a> +</span><span id="Dialect-141"><a href="#Dialect-141"><span class="linenos">141</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-142"><a href="#Dialect-142"><span class="linenos">142</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> +</span><span id="Dialect-143"><a href="#Dialect-143"><span class="linenos">143</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> +</span><span id="Dialect-144"><a href="#Dialect-144"><span class="linenos">144</span></a> <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="Dialect-145"><a href="#Dialect-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="Dialect-146"><a href="#Dialect-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="Dialect-147"><a href="#Dialect-147"><span class="linenos">147</span></a> <span class="n">format_time</span><span class="p">(</span> +</span><span id="Dialect-148"><a href="#Dialect-148"><span class="linenos">148</span></a> <span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="c1"># the time formats are quoted</span> +</span><span id="Dialect-149"><a href="#Dialect-149"><span class="linenos">149</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> +</span><span id="Dialect-150"><a href="#Dialect-150"><span class="linenos">150</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_trie</span><span class="p">,</span> +</span><span id="Dialect-151"><a href="#Dialect-151"><span class="linenos">151</span></a> <span class="p">)</span> +</span><span id="Dialect-152"><a href="#Dialect-152"><span class="linenos">152</span></a> <span class="p">)</span> +</span><span id="Dialect-153"><a href="#Dialect-153"><span class="linenos">153</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="Dialect-154"><a href="#Dialect-154"><span class="linenos">154</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="Dialect-155"><a href="#Dialect-155"><span class="linenos">155</span></a> <span class="n">format_time</span><span class="p">(</span> +</span><span id="Dialect-156"><a href="#Dialect-156"><span class="linenos">156</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="Dialect-157"><a href="#Dialect-157"><span class="linenos">157</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> +</span><span id="Dialect-158"><a href="#Dialect-158"><span class="linenos">158</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_trie</span><span class="p">,</span> +</span><span id="Dialect-159"><a href="#Dialect-159"><span class="linenos">159</span></a> <span class="p">)</span> +</span><span id="Dialect-160"><a href="#Dialect-160"><span class="linenos">160</span></a> <span class="p">)</span> +</span><span id="Dialect-161"><a href="#Dialect-161"><span class="linenos">161</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="Dialect-162"><a href="#Dialect-162"><span class="linenos">162</span></a> +</span><span id="Dialect-163"><a href="#Dialect-163"><span class="linenos">163</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">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="Dialect-164"><a href="#Dialect-164"><span class="linenos">164</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="Dialect-165"><a href="#Dialect-165"><span class="linenos">165</span></a> +</span><span id="Dialect-166"><a href="#Dialect-166"><span class="linenos">166</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> +</span><span id="Dialect-167"><a href="#Dialect-167"><span class="linenos">167</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> +</span><span id="Dialect-168"><a href="#Dialect-168"><span class="linenos">168</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="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="Dialect-169"><a href="#Dialect-169"><span class="linenos">169</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="Dialect-170"><a href="#Dialect-170"><span class="linenos">170</span></a> +</span><span id="Dialect-171"><a href="#Dialect-171"><span class="linenos">171</span></a> <span class="k">def</span> <span class="nf">generate</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">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Dialect-172"><a href="#Dialect-172"><span class="linenos">172</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Dialect-173"><a href="#Dialect-173"><span class="linenos">173</span></a> +</span><span id="Dialect-174"><a href="#Dialect-174"><span class="linenos">174</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Dialect-175"><a href="#Dialect-175"><span class="linenos">175</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> +</span><span id="Dialect-176"><a href="#Dialect-176"><span class="linenos">176</span></a> +</span><span id="Dialect-177"><a href="#Dialect-177"><span class="linenos">177</span></a> <span class="nd">@property</span> +</span><span id="Dialect-178"><a href="#Dialect-178"><span class="linenos">178</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span> +</span><span id="Dialect-179"><a href="#Dialect-179"><span class="linenos">179</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span> +</span><span id="Dialect-180"><a href="#Dialect-180"><span class="linenos">180</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">()</span> <span class="c1"># type: ignore</span> +</span><span id="Dialect-181"><a href="#Dialect-181"><span class="linenos">181</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> +</span><span id="Dialect-182"><a href="#Dialect-182"><span class="linenos">182</span></a> +</span><span id="Dialect-183"><a href="#Dialect-183"><span class="linenos">183</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> +</span><span id="Dialect-184"><a href="#Dialect-184"><span class="linenos">184</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span> <span class="c1"># type: ignore</span> +</span><span id="Dialect-185"><a href="#Dialect-185"><span class="linenos">185</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="Dialect-186"><a href="#Dialect-186"><span class="linenos">186</span></a> <span class="s2">"index_offset"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">index_offset</span><span class="p">,</span> +</span><span id="Dialect-187"><a href="#Dialect-187"><span class="linenos">187</span></a> <span class="s2">"unnest_column_only"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">unnest_column_only</span><span class="p">,</span> +</span><span id="Dialect-188"><a href="#Dialect-188"><span class="linenos">188</span></a> <span class="s2">"alias_post_tablesample"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias_post_tablesample</span><span class="p">,</span> +</span><span id="Dialect-189"><a href="#Dialect-189"><span class="linenos">189</span></a> <span class="s2">"null_ordering"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">null_ordering</span><span class="p">,</span> +</span><span id="Dialect-190"><a href="#Dialect-190"><span class="linenos">190</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="Dialect-191"><a href="#Dialect-191"><span class="linenos">191</span></a> <span class="p">},</span> +</span><span id="Dialect-192"><a href="#Dialect-192"><span class="linenos">192</span></a> <span class="p">)</span> +</span><span id="Dialect-193"><a href="#Dialect-193"><span class="linenos">193</span></a> +</span><span id="Dialect-194"><a href="#Dialect-194"><span class="linenos">194</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> +</span><span id="Dialect-195"><a href="#Dialect-195"><span class="linenos">195</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span> <span class="c1"># type: ignore</span> +</span><span id="Dialect-196"><a href="#Dialect-196"><span class="linenos">196</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="Dialect-197"><a href="#Dialect-197"><span class="linenos">197</span></a> <span class="s2">"quote_start"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">quote_start</span><span class="p">,</span> +</span><span id="Dialect-198"><a href="#Dialect-198"><span class="linenos">198</span></a> <span class="s2">"quote_end"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">quote_end</span><span class="p">,</span> +</span><span id="Dialect-199"><a href="#Dialect-199"><span class="linenos">199</span></a> <span class="s2">"identifier_start"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">identifier_start</span><span class="p">,</span> +</span><span id="Dialect-200"><a href="#Dialect-200"><span class="linenos">200</span></a> <span class="s2">"identifier_end"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">identifier_end</span><span class="p">,</span> +</span><span id="Dialect-201"><a href="#Dialect-201"><span class="linenos">201</span></a> <span class="s2">"string_escape"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">STRING_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="Dialect-202"><a href="#Dialect-202"><span class="linenos">202</span></a> <span class="s2">"identifier_escape"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">IDENTIFIER_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="Dialect-203"><a href="#Dialect-203"><span class="linenos">203</span></a> <span class="s2">"index_offset"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">index_offset</span><span class="p">,</span> +</span><span id="Dialect-204"><a href="#Dialect-204"><span class="linenos">204</span></a> <span class="s2">"time_mapping"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_time_mapping</span><span class="p">,</span> +</span><span id="Dialect-205"><a href="#Dialect-205"><span class="linenos">205</span></a> <span class="s2">"time_trie"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_time_trie</span><span class="p">,</span> +</span><span id="Dialect-206"><a href="#Dialect-206"><span class="linenos">206</span></a> <span class="s2">"unnest_column_only"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">unnest_column_only</span><span class="p">,</span> +</span><span id="Dialect-207"><a href="#Dialect-207"><span class="linenos">207</span></a> <span class="s2">"alias_post_tablesample"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias_post_tablesample</span><span class="p">,</span> +</span><span id="Dialect-208"><a href="#Dialect-208"><span class="linenos">208</span></a> <span class="s2">"normalize_functions"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize_functions</span><span class="p">,</span> +</span><span id="Dialect-209"><a href="#Dialect-209"><span class="linenos">209</span></a> <span class="s2">"null_ordering"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">null_ordering</span><span class="p">,</span> +</span><span id="Dialect-210"><a href="#Dialect-210"><span class="linenos">210</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="Dialect-211"><a href="#Dialect-211"><span class="linenos">211</span></a> <span class="p">}</span> +</span><span id="Dialect-212"><a href="#Dialect-212"><span class="linenos">212</span></a> <span class="p">)</span> +</span></pre></div> + + + + + <div id="Dialect.__init__" class="classattr"> + <div class="attr function"> + + <span class="name">Dialect</span><span class="signature pdoc-code condensed">()</span> + + + </div> + <a class="headerlink" href="#Dialect.__init__"></a> + + + + </div> + <div id="Dialect.get_or_raise" class="classattr"> + <input id="Dialect.get_or_raise-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + <div class="decorator">@classmethod</div> + + <span class="def">def</span> + <span class="name">get_or_raise</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="Dialect.get_or_raise-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.get_or_raise"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.get_or_raise-126"><a href="#Dialect.get_or_raise-126"><span class="linenos">126</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.get_or_raise-127"><a href="#Dialect.get_or_raise-127"><span class="linenos">127</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="Dialect.get_or_raise-128"><a href="#Dialect.get_or_raise-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> +</span><span id="Dialect.get_or_raise-129"><a href="#Dialect.get_or_raise-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="bp">cls</span> +</span><span id="Dialect.get_or_raise-130"><a href="#Dialect.get_or_raise-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> +</span><span id="Dialect.get_or_raise-131"><a href="#Dialect.get_or_raise-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">dialect</span> +</span><span id="Dialect.get_or_raise-132"><a href="#Dialect.get_or_raise-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="Dialect.get_or_raise-133"><a href="#Dialect.get_or_raise-133"><span class="linenos">133</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> +</span><span id="Dialect.get_or_raise-134"><a href="#Dialect.get_or_raise-134"><span class="linenos">134</span></a> +</span><span id="Dialect.get_or_raise-135"><a href="#Dialect.get_or_raise-135"><span class="linenos">135</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="Dialect.get_or_raise-136"><a href="#Dialect.get_or_raise-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> +</span><span id="Dialect.get_or_raise-137"><a href="#Dialect.get_or_raise-137"><span class="linenos">137</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> +</span><span id="Dialect.get_or_raise-138"><a href="#Dialect.get_or_raise-138"><span class="linenos">138</span></a> +</span><span id="Dialect.get_or_raise-139"><a href="#Dialect.get_or_raise-139"><span class="linenos">139</span></a> <span class="k">return</span> <span class="n">result</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.format_time" class="classattr"> + <input id="Dialect.format_time-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + <div class="decorator">@classmethod</div> + + <span class="def">def</span> + <span class="name">format_time</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">cls</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="Dialect.format_time-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.format_time"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.format_time-141"><a href="#Dialect.format_time-141"><span class="linenos">141</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.format_time-142"><a href="#Dialect.format_time-142"><span class="linenos">142</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> +</span><span id="Dialect.format_time-143"><a href="#Dialect.format_time-143"><span class="linenos">143</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> +</span><span id="Dialect.format_time-144"><a href="#Dialect.format_time-144"><span class="linenos">144</span></a> <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="Dialect.format_time-145"><a href="#Dialect.format_time-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="Dialect.format_time-146"><a href="#Dialect.format_time-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="Dialect.format_time-147"><a href="#Dialect.format_time-147"><span class="linenos">147</span></a> <span class="n">format_time</span><span class="p">(</span> +</span><span id="Dialect.format_time-148"><a href="#Dialect.format_time-148"><span class="linenos">148</span></a> <span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="c1"># the time formats are quoted</span> +</span><span id="Dialect.format_time-149"><a href="#Dialect.format_time-149"><span class="linenos">149</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> +</span><span id="Dialect.format_time-150"><a href="#Dialect.format_time-150"><span class="linenos">150</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_trie</span><span class="p">,</span> +</span><span id="Dialect.format_time-151"><a href="#Dialect.format_time-151"><span class="linenos">151</span></a> <span class="p">)</span> +</span><span id="Dialect.format_time-152"><a href="#Dialect.format_time-152"><span class="linenos">152</span></a> <span class="p">)</span> +</span><span id="Dialect.format_time-153"><a href="#Dialect.format_time-153"><span class="linenos">153</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="Dialect.format_time-154"><a href="#Dialect.format_time-154"><span class="linenos">154</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="Dialect.format_time-155"><a href="#Dialect.format_time-155"><span class="linenos">155</span></a> <span class="n">format_time</span><span class="p">(</span> +</span><span id="Dialect.format_time-156"><a href="#Dialect.format_time-156"><span class="linenos">156</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="Dialect.format_time-157"><a href="#Dialect.format_time-157"><span class="linenos">157</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> +</span><span id="Dialect.format_time-158"><a href="#Dialect.format_time-158"><span class="linenos">158</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">time_trie</span><span class="p">,</span> +</span><span id="Dialect.format_time-159"><a href="#Dialect.format_time-159"><span class="linenos">159</span></a> <span class="p">)</span> +</span><span id="Dialect.format_time-160"><a href="#Dialect.format_time-160"><span class="linenos">160</span></a> <span class="p">)</span> +</span><span id="Dialect.format_time-161"><a href="#Dialect.format_time-161"><span class="linenos">161</span></a> <span class="k">return</span> <span class="n">expression</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.parse" class="classattr"> + <input id="Dialect.parse-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">parse</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">sql</span><span class="p">:</span> <span class="nb">str</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span>:</span></span> + + <label class="view-source-button" for="Dialect.parse-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.parse"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse-163"><a href="#Dialect.parse-163"><span class="linenos">163</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">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="Dialect.parse-164"><a href="#Dialect.parse-164"><span class="linenos">164</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.parse_into" class="classattr"> + <input id="Dialect.parse_into-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">parse_into</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">expression_type</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="n">Collection</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]]]</span>,</span><span class="param"> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]]</span>:</span></span> + + <label class="view-source-button" for="Dialect.parse_into-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.parse_into"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse_into-166"><a href="#Dialect.parse_into-166"><span class="linenos">166</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> +</span><span id="Dialect.parse_into-167"><a href="#Dialect.parse_into-167"><span class="linenos">167</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> +</span><span id="Dialect.parse_into-168"><a href="#Dialect.parse_into-168"><span class="linenos">168</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="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="Dialect.parse_into-169"><a href="#Dialect.parse_into-169"><span class="linenos">169</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.generate" class="classattr"> + <input id="Dialect.generate-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">generate</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">]</span>,</span><span class="param"> <span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="Dialect.generate-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.generate"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generate-171"><a href="#Dialect.generate-171"><span class="linenos">171</span></a> <span class="k">def</span> <span class="nf">generate</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">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Dialect.generate-172"><a href="#Dialect.generate-172"><span class="linenos">172</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.transpile" class="classattr"> + <input id="Dialect.transpile-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">transpile</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">sql</span><span class="p">:</span> <span class="nb">str</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="Dialect.transpile-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.transpile"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.transpile-174"><a href="#Dialect.transpile-174"><span class="linenos">174</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Dialect.transpile-175"><a href="#Dialect.transpile-175"><span class="linenos">175</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.parser" class="classattr"> + <input id="Dialect.parser-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">parser</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n"><a href="../parser.html#Parser">sqlglot.parser.Parser</a></span>:</span></span> + + <label class="view-source-button" for="Dialect.parser-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.parser"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parser-183"><a href="#Dialect.parser-183"><span class="linenos">183</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> +</span><span id="Dialect.parser-184"><a href="#Dialect.parser-184"><span class="linenos">184</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span> <span class="c1"># type: ignore</span> +</span><span id="Dialect.parser-185"><a href="#Dialect.parser-185"><span class="linenos">185</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="Dialect.parser-186"><a href="#Dialect.parser-186"><span class="linenos">186</span></a> <span class="s2">"index_offset"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">index_offset</span><span class="p">,</span> +</span><span id="Dialect.parser-187"><a href="#Dialect.parser-187"><span class="linenos">187</span></a> <span class="s2">"unnest_column_only"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">unnest_column_only</span><span class="p">,</span> +</span><span id="Dialect.parser-188"><a href="#Dialect.parser-188"><span class="linenos">188</span></a> <span class="s2">"alias_post_tablesample"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias_post_tablesample</span><span class="p">,</span> +</span><span id="Dialect.parser-189"><a href="#Dialect.parser-189"><span class="linenos">189</span></a> <span class="s2">"null_ordering"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">null_ordering</span><span class="p">,</span> +</span><span id="Dialect.parser-190"><a href="#Dialect.parser-190"><span class="linenos">190</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="Dialect.parser-191"><a href="#Dialect.parser-191"><span class="linenos">191</span></a> <span class="p">},</span> +</span><span id="Dialect.parser-192"><a href="#Dialect.parser-192"><span class="linenos">192</span></a> <span class="p">)</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.generator" class="classattr"> + <input id="Dialect.generator-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">generator</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="o">**</span><span class="n">opts</span></span><span class="return-annotation">) -> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>:</span></span> + + <label class="view-source-button" for="Dialect.generator-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.generator"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generator-194"><a href="#Dialect.generator-194"><span class="linenos">194</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> +</span><span id="Dialect.generator-195"><a href="#Dialect.generator-195"><span class="linenos">195</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span> <span class="c1"># type: ignore</span> +</span><span id="Dialect.generator-196"><a href="#Dialect.generator-196"><span class="linenos">196</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="Dialect.generator-197"><a href="#Dialect.generator-197"><span class="linenos">197</span></a> <span class="s2">"quote_start"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">quote_start</span><span class="p">,</span> +</span><span id="Dialect.generator-198"><a href="#Dialect.generator-198"><span class="linenos">198</span></a> <span class="s2">"quote_end"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">quote_end</span><span class="p">,</span> +</span><span id="Dialect.generator-199"><a href="#Dialect.generator-199"><span class="linenos">199</span></a> <span class="s2">"identifier_start"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">identifier_start</span><span class="p">,</span> +</span><span id="Dialect.generator-200"><a href="#Dialect.generator-200"><span class="linenos">200</span></a> <span class="s2">"identifier_end"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">identifier_end</span><span class="p">,</span> +</span><span id="Dialect.generator-201"><a href="#Dialect.generator-201"><span class="linenos">201</span></a> <span class="s2">"string_escape"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">STRING_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="Dialect.generator-202"><a href="#Dialect.generator-202"><span class="linenos">202</span></a> <span class="s2">"identifier_escape"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">IDENTIFIER_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="Dialect.generator-203"><a href="#Dialect.generator-203"><span class="linenos">203</span></a> <span class="s2">"index_offset"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">index_offset</span><span class="p">,</span> +</span><span id="Dialect.generator-204"><a href="#Dialect.generator-204"><span class="linenos">204</span></a> <span class="s2">"time_mapping"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_time_mapping</span><span class="p">,</span> +</span><span id="Dialect.generator-205"><a href="#Dialect.generator-205"><span class="linenos">205</span></a> <span class="s2">"time_trie"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_time_trie</span><span class="p">,</span> +</span><span id="Dialect.generator-206"><a href="#Dialect.generator-206"><span class="linenos">206</span></a> <span class="s2">"unnest_column_only"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">unnest_column_only</span><span class="p">,</span> +</span><span id="Dialect.generator-207"><a href="#Dialect.generator-207"><span class="linenos">207</span></a> <span class="s2">"alias_post_tablesample"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">alias_post_tablesample</span><span class="p">,</span> +</span><span id="Dialect.generator-208"><a href="#Dialect.generator-208"><span class="linenos">208</span></a> <span class="s2">"normalize_functions"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize_functions</span><span class="p">,</span> +</span><span id="Dialect.generator-209"><a href="#Dialect.generator-209"><span class="linenos">209</span></a> <span class="s2">"null_ordering"</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">null_ordering</span><span class="p">,</span> +</span><span id="Dialect.generator-210"><a href="#Dialect.generator-210"><span class="linenos">210</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="Dialect.generator-211"><a href="#Dialect.generator-211"><span class="linenos">211</span></a> <span class="p">}</span> +</span><span id="Dialect.generator-212"><a href="#Dialect.generator-212"><span class="linenos">212</span></a> <span class="p">)</span> +</span></pre></div> + + + + + </div> + </section> + <section id="rename_func"> + <input id="rename_func-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">rename_func</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span><span class="p">,</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">],</span> <span class="nb">str</span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="rename_func-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#rename_func"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="rename_func-218"><a href="#rename_func-218"><span class="linenos">218</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> +</span><span id="rename_func-219"><a href="#rename_func-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">):</span> +</span><span id="rename_func-220"><a href="#rename_func-220"><span class="linenos">220</span></a> <span class="n">args</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">())</span> +</span><span id="rename_func-221"><a href="#rename_func-221"><span class="linenos">221</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">normalize_func</span><span class="p">(</span><span class="n">name</span><span class="p">)</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="rename_func-222"><a href="#rename_func-222"><span class="linenos">222</span></a> +</span><span id="rename_func-223"><a href="#rename_func-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="n">_rename</span> +</span></pre></div> + + + + + </section> + <section id="approx_count_distinct_sql"> + <input id="approx_count_distinct_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">approx_count_distinct_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="approx_count_distinct_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#approx_count_distinct_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="approx_count_distinct_sql-226"><a href="#approx_count_distinct_sql-226"><span class="linenos">226</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="approx_count_distinct_sql-227"><a href="#approx_count_distinct_sql-227"><span class="linenos">227</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span> +</span><span id="approx_count_distinct_sql-228"><a href="#approx_count_distinct_sql-228"><span class="linenos">228</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span> +</span><span id="approx_count_distinct_sql-229"><a href="#approx_count_distinct_sql-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"APPROX_COUNT_DISTINCT(</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="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span></pre></div> + + + + + </section> + <section id="if_sql"> + <input id="if_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">if_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#If">sqlglot.expressions.If</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="if_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#if_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="if_sql-232"><a href="#if_sql-232"><span class="linenos">232</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="if_sql-233"><a href="#if_sql-233"><span class="linenos">233</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span> +</span><span id="if_sql-234"><a href="#if_sql-234"><span class="linenos">234</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> +</span><span id="if_sql-235"><a href="#if_sql-235"><span class="linenos">235</span></a> <span class="p">)</span> +</span><span id="if_sql-236"><a href="#if_sql-236"><span class="linenos">236</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">expressions</span><span class="si">}</span><span class="s2">)"</span> +</span></pre></div> + + + + + </section> + <section id="arrow_json_extract_sql"> + <input id="arrow_json_extract_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">arrow_json_extract_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#JSONExtract">sqlglot.expressions.JSONExtract</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#JSONBExtract">sqlglot.expressions.JSONBExtract</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="arrow_json_extract_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#arrow_json_extract_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_sql-239"><a href="#arrow_json_extract_sql-239"><span class="linenos">239</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="arrow_json_extract_sql-240"><a href="#arrow_json_extract_sql-240"><span class="linenos">240</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="arrow_json_extract_scalar_sql"> + <input id="arrow_json_extract_scalar_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">arrow_json_extract_scalar_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#JSONExtractScalar">sqlglot.expressions.JSONExtractScalar</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#JSONBExtractScalar">sqlglot.expressions.JSONBExtractScalar</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="arrow_json_extract_scalar_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#arrow_json_extract_scalar_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_scalar_sql-243"><a href="#arrow_json_extract_scalar_sql-243"><span class="linenos">243</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span> +</span><span id="arrow_json_extract_scalar_sql-244"><a href="#arrow_json_extract_scalar_sql-244"><span class="linenos">244</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span> +</span><span id="arrow_json_extract_scalar_sql-245"><a href="#arrow_json_extract_scalar_sql-245"><span class="linenos">245</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="arrow_json_extract_scalar_sql-246"><a href="#arrow_json_extract_scalar_sql-246"><span class="linenos">246</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="inline_array_sql"> + <input id="inline_array_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">inline_array_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Array">sqlglot.expressions.Array</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="inline_array_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#inline_array_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="inline_array_sql-249"><a href="#inline_array_sql-249"><span class="linenos">249</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="inline_array_sql-250"><a href="#inline_array_sql-250"><span class="linenos">250</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span> +</span></pre></div> + + + + + </section> + <section id="no_ilike_sql"> + <input id="no_ilike_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">no_ilike_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#ILike">sqlglot.expressions.ILike</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_ilike_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_ilike_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_ilike_sql-253"><a href="#no_ilike_sql-253"><span class="linenos">253</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_ilike_sql-254"><a href="#no_ilike_sql-254"><span class="linenos">254</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span> +</span><span id="no_ilike_sql-255"><a href="#no_ilike_sql-255"><span class="linenos">255</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span> +</span><span id="no_ilike_sql-256"><a href="#no_ilike_sql-256"><span class="linenos">256</span></a> <span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> +</span><span id="no_ilike_sql-257"><a href="#no_ilike_sql-257"><span class="linenos">257</span></a> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"expression"</span><span class="p">],</span> +</span><span id="no_ilike_sql-258"><a href="#no_ilike_sql-258"><span class="linenos">258</span></a> <span class="p">)</span> +</span><span id="no_ilike_sql-259"><a href="#no_ilike_sql-259"><span class="linenos">259</span></a> <span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="no_paren_current_date_sql"> + <input id="no_paren_current_date_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">no_paren_current_date_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_paren_current_date_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_paren_current_date_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_paren_current_date_sql-262"><a href="#no_paren_current_date_sql-262"><span class="linenos">262</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_paren_current_date_sql-263"><a href="#no_paren_current_date_sql-263"><span class="linenos">263</span></a> <span class="n">zone</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="no_paren_current_date_sql-264"><a href="#no_paren_current_date_sql-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span> +</span></pre></div> + + + + + </section> + <section id="no_recursive_cte_sql"> + <input id="no_recursive_cte_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">no_recursive_cte_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#With">sqlglot.expressions.With</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_recursive_cte_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_recursive_cte_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_recursive_cte_sql-267"><a href="#no_recursive_cte_sql-267"><span class="linenos">267</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_recursive_cte_sql-268"><a href="#no_recursive_cte_sql-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span> +</span><span id="no_recursive_cte_sql-269"><a href="#no_recursive_cte_sql-269"><span class="linenos">269</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span> +</span><span id="no_recursive_cte_sql-270"><a href="#no_recursive_cte_sql-270"><span class="linenos">270</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="no_recursive_cte_sql-271"><a href="#no_recursive_cte_sql-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="no_safe_divide_sql"> + <input id="no_safe_divide_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">no_safe_divide_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_safe_divide_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_safe_divide_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_safe_divide_sql-274"><a href="#no_safe_divide_sql-274"><span class="linenos">274</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_safe_divide_sql-275"><a href="#no_safe_divide_sql-275"><span class="linenos">275</span></a> <span class="n">n</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="no_safe_divide_sql-276"><a href="#no_safe_divide_sql-276"><span class="linenos">276</span></a> <span class="n">d</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">"expression"</span><span class="p">)</span> +</span><span id="no_safe_divide_sql-277"><a href="#no_safe_divide_sql-277"><span class="linenos">277</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span> +</span></pre></div> + + + + + </section> + <section id="no_tablesample_sql"> + <input id="no_tablesample_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">no_tablesample_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TableSample">sqlglot.expressions.TableSample</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_tablesample_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_tablesample_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_tablesample_sql-280"><a href="#no_tablesample_sql-280"><span class="linenos">280</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_tablesample_sql-281"><a href="#no_tablesample_sql-281"><span class="linenos">281</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span> +</span><span id="no_tablesample_sql-282"><a href="#no_tablesample_sql-282"><span class="linenos">282</span></a> <span class="k">return</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="o">.</span><span class="n">this</span><span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="no_pivot_sql"> + <input id="no_pivot_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">no_pivot_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Pivot">sqlglot.expressions.Pivot</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_pivot_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_pivot_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_pivot_sql-285"><a href="#no_pivot_sql-285"><span class="linenos">285</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_pivot_sql-286"><a href="#no_pivot_sql-286"><span class="linenos">286</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span> +</span><span id="no_pivot_sql-287"><a href="#no_pivot_sql-287"><span class="linenos">287</span></a> <span class="k">return</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></pre></div> + + + + + </section> + <section id="no_trycast_sql"> + <input id="no_trycast_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">no_trycast_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TryCast">sqlglot.expressions.TryCast</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="no_trycast_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_trycast_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_trycast_sql-290"><a href="#no_trycast_sql-290"><span class="linenos">290</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_trycast_sql-291"><a href="#no_trycast_sql-291"><span class="linenos">291</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="no_properties_sql"> + <input id="no_properties_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">no_properties_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</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="no_properties_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#no_properties_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_properties_sql-294"><a href="#no_properties_sql-294"><span class="linenos">294</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_properties_sql-295"><a href="#no_properties_sql-295"><span class="linenos">295</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span> +</span><span id="no_properties_sql-296"><a href="#no_properties_sql-296"><span class="linenos">296</span></a> <span class="k">return</span> <span class="s2">""</span> +</span></pre></div> + + + + + </section> + <section id="str_position_sql"> + <input id="str_position_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">str_position_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="str_position_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#str_position_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="str_position_sql-299"><a href="#str_position_sql-299"><span class="linenos">299</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="str_position_sql-300"><a href="#str_position_sql-300"><span class="linenos">300</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="str_position_sql-301"><a href="#str_position_sql-301"><span class="linenos">301</span></a> <span class="n">substr</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">"substr"</span><span class="p">)</span> +</span><span id="str_position_sql-302"><a href="#str_position_sql-302"><span class="linenos">302</span></a> <span class="n">position</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">"position"</span><span class="p">)</span> +</span><span id="str_position_sql-303"><a href="#str_position_sql-303"><span class="linenos">303</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span> +</span><span id="str_position_sql-304"><a href="#str_position_sql-304"><span class="linenos">304</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span> +</span><span id="str_position_sql-305"><a href="#str_position_sql-305"><span class="linenos">305</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span> +</span></pre></div> + + + + + </section> + <section id="struct_extract_sql"> + <input id="struct_extract_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">struct_extract_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#StructExtract">sqlglot.expressions.StructExtract</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="struct_extract_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#struct_extract_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="struct_extract_sql-308"><a href="#struct_extract_sql-308"><span class="linenos">308</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="struct_extract_sql-309"><a href="#struct_extract_sql-309"><span class="linenos">309</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="struct_extract_sql-310"><a href="#struct_extract_sql-310"><span class="linenos">310</span></a> <span class="n">struct_key</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">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="struct_extract_sql-311"><a href="#struct_extract_sql-311"><span class="linenos">311</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">struct_key</span><span class="si">}</span><span class="s2">"</span> +</span></pre></div> + + + + + </section> + <section id="var_map_sql"> + <input id="var_map_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">var_map_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Map">sqlglot.expressions.Map</a></span> <span class="o">|</span> <span class="n"><a href="../expressions.html#VarMap">sqlglot.expressions.VarMap</a></span>,</span><span class="param"> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s1">'MAP'</span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="var_map_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#var_map_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="var_map_sql-314"><a href="#var_map_sql-314"><span class="linenos">314</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span> +</span><span id="var_map_sql-315"><a href="#var_map_sql-315"><span class="linenos">315</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span> +</span><span id="var_map_sql-316"><a href="#var_map_sql-316"><span class="linenos">316</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="var_map_sql-317"><a href="#var_map_sql-317"><span class="linenos">317</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span> +</span><span id="var_map_sql-318"><a href="#var_map_sql-318"><span class="linenos">318</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span> +</span><span id="var_map_sql-319"><a href="#var_map_sql-319"><span class="linenos">319</span></a> +</span><span id="var_map_sql-320"><a href="#var_map_sql-320"><span class="linenos">320</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span> +</span><span id="var_map_sql-321"><a href="#var_map_sql-321"><span class="linenos">321</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span> +</span><span id="var_map_sql-322"><a href="#var_map_sql-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">map_func_name</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span><span class="w"> </span><span class="n">values</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="var_map_sql-323"><a href="#var_map_sql-323"><span class="linenos">323</span></a> +</span><span id="var_map_sql-324"><a href="#var_map_sql-324"><span class="linenos">324</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="var_map_sql-325"><a href="#var_map_sql-325"><span class="linenos">325</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span> +</span><span id="var_map_sql-326"><a href="#var_map_sql-326"><span class="linenos">326</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> +</span><span id="var_map_sql-327"><a href="#var_map_sql-327"><span class="linenos">327</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> +</span><span id="var_map_sql-328"><a href="#var_map_sql-328"><span class="linenos">328</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">map_func_name</span><span class="si">}</span><span class="s2">(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">args</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span> +</span></pre></div> + + + + + </section> + <section id="format_time_lambda"> + <input id="format_time_lambda-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">format_time_lambda</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">exp_class</span><span class="p">:</span> <span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">]</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span>,</span><span class="param"> <span class="n">default</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bool</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n">Sequence</span><span class="p">],</span> <span class="o">~</span><span class="n">E</span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="format_time_lambda-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#format_time_lambda"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="format_time_lambda-331"><a href="#format_time_lambda-331"><span class="linenos">331</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span> +</span><span id="format_time_lambda-332"><a href="#format_time_lambda-332"><span class="linenos">332</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="format_time_lambda-333"><a href="#format_time_lambda-333"><span class="linenos">333</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="format_time_lambda-334"><a href="#format_time_lambda-334"><span class="linenos">334</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span> +</span><span id="format_time_lambda-335"><a href="#format_time_lambda-335"><span class="linenos">335</span></a> +</span><span id="format_time_lambda-336"><a href="#format_time_lambda-336"><span class="linenos">336</span></a><span class="sd"> Args:</span> +</span><span id="format_time_lambda-337"><a href="#format_time_lambda-337"><span class="linenos">337</span></a><span class="sd"> exp_class: the expression class to instantiate.</span> +</span><span id="format_time_lambda-338"><a href="#format_time_lambda-338"><span class="linenos">338</span></a><span class="sd"> dialect: target sql dialect.</span> +</span><span id="format_time_lambda-339"><a href="#format_time_lambda-339"><span class="linenos">339</span></a><span class="sd"> default: the default format, True being time.</span> +</span><span id="format_time_lambda-340"><a href="#format_time_lambda-340"><span class="linenos">340</span></a> +</span><span id="format_time_lambda-341"><a href="#format_time_lambda-341"><span class="linenos">341</span></a><span class="sd"> Returns:</span> +</span><span id="format_time_lambda-342"><a href="#format_time_lambda-342"><span class="linenos">342</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span> +</span><span id="format_time_lambda-343"><a href="#format_time_lambda-343"><span class="linenos">343</span></a><span class="sd"> """</span> +</span><span id="format_time_lambda-344"><a href="#format_time_lambda-344"><span class="linenos">344</span></a> +</span><span id="format_time_lambda-345"><a href="#format_time_lambda-345"><span class="linenos">345</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">):</span> +</span><span id="format_time_lambda-346"><a href="#format_time_lambda-346"><span class="linenos">346</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span> +</span><span id="format_time_lambda-347"><a href="#format_time_lambda-347"><span class="linenos">347</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> +</span><span id="format_time_lambda-348"><a href="#format_time_lambda-348"><span class="linenos">348</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span> +</span><span id="format_time_lambda-349"><a href="#format_time_lambda-349"><span class="linenos">349</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="format_time_lambda-350"><a href="#format_time_lambda-350"><span class="linenos">350</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">time_format</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="format_time_lambda-351"><a href="#format_time_lambda-351"><span class="linenos">351</span></a> <span class="p">),</span> +</span><span id="format_time_lambda-352"><a href="#format_time_lambda-352"><span class="linenos">352</span></a> <span class="p">)</span> +</span><span id="format_time_lambda-353"><a href="#format_time_lambda-353"><span class="linenos">353</span></a> +</span><span id="format_time_lambda-354"><a href="#format_time_lambda-354"><span class="linenos">354</span></a> <span class="k">return</span> <span class="n">_format_time</span> +</span></pre></div> + + + <div class="docstring"><p>Helper used for time expressions.</p> + +<h6 id="arguments">Arguments:</h6> + +<ul> +<li><strong>exp_class:</strong> the expression class to instantiate.</li> +<li><strong>dialect:</strong> target sql dialect.</li> +<li><strong>default:</strong> the default format, True being time.</li> +</ul> + +<h6 id="returns">Returns:</h6> + +<blockquote> + <p>A callable that can be used to return the appropriately formatted time expression.</p> +</blockquote> +</div> + + + </section> + <section id="create_with_partitions_sql"> + <input id="create_with_partitions_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">create_with_partitions_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Create">sqlglot.expressions.Create</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="create_with_partitions_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#create_with_partitions_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="create_with_partitions_sql-357"><a href="#create_with_partitions_sql-357"><span class="linenos">357</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="create_with_partitions_sql-358"><a href="#create_with_partitions_sql-358"><span class="linenos">358</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="create_with_partitions_sql-359"><a href="#create_with_partitions_sql-359"><span class="linenos">359</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span> +</span><span id="create_with_partitions_sql-360"><a href="#create_with_partitions_sql-360"><span class="linenos">360</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span> +</span><span id="create_with_partitions_sql-361"><a href="#create_with_partitions_sql-361"><span class="linenos">361</span></a><span class="sd"> columns are removed from the create statement.</span> +</span><span id="create_with_partitions_sql-362"><a href="#create_with_partitions_sql-362"><span class="linenos">362</span></a><span class="sd"> """</span> +</span><span id="create_with_partitions_sql-363"><a href="#create_with_partitions_sql-363"><span class="linenos">363</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-364"><a href="#create_with_partitions_sql-364"><span class="linenos">364</span></a> <span class="n">is_partitionable</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">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-365"><a href="#create_with_partitions_sql-365"><span class="linenos">365</span></a> +</span><span id="create_with_partitions_sql-366"><a href="#create_with_partitions_sql-366"><span class="linenos">366</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span> +</span><span id="create_with_partitions_sql-367"><a href="#create_with_partitions_sql-367"><span class="linenos">367</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="create_with_partitions_sql-368"><a href="#create_with_partitions_sql-368"><span class="linenos">368</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-369"><a href="#create_with_partitions_sql-369"><span class="linenos">369</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> +</span><span id="create_with_partitions_sql-370"><a href="#create_with_partitions_sql-370"><span class="linenos">370</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="ow">not</span> <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">Schema</span><span class="p">):</span> +</span><span id="create_with_partitions_sql-371"><a href="#create_with_partitions_sql-371"><span class="linenos">371</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="create_with_partitions_sql-372"><a href="#create_with_partitions_sql-372"><span class="linenos">372</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> +</span><span id="create_with_partitions_sql-373"><a href="#create_with_partitions_sql-373"><span class="linenos">373</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span> +</span><span id="create_with_partitions_sql-374"><a href="#create_with_partitions_sql-374"><span class="linenos">374</span></a> <span class="n">schema</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">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span> +</span><span id="create_with_partitions_sql-375"><a href="#create_with_partitions_sql-375"><span class="linenos">375</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span> +</span><span id="create_with_partitions_sql-376"><a href="#create_with_partitions_sql-376"><span class="linenos">376</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">schema</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-377"><a href="#create_with_partitions_sql-377"><span class="linenos">377</span></a> +</span><span id="create_with_partitions_sql-378"><a href="#create_with_partitions_sql-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span></pre></div> + + + <div class="docstring"><p>In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the +PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding +columns are removed from the create statement.</p> +</div> + + + </section> + <section id="parse_date_delta"> + <input id="parse_date_delta-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">parse_date_delta</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">exp_class</span><span class="p">:</span> <span class="n">Type</span><span class="p">[</span><span class="o">~</span><span class="n">E</span><span class="p">]</span>,</span><span class="param"> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span></span><span class="return-annotation">) -> <span class="n">Callable</span><span class="p">[[</span><span class="n">Sequence</span><span class="p">],</span> <span class="o">~</span><span class="n">E</span><span class="p">]</span>:</span></span> + + <label class="view-source-button" for="parse_date_delta-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#parse_date_delta"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta-381"><a href="#parse_date_delta-381"><span class="linenos">381</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span> +</span><span id="parse_date_delta-382"><a href="#parse_date_delta-382"><span class="linenos">382</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="parse_date_delta-383"><a href="#parse_date_delta-383"><span class="linenos">383</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="parse_date_delta-384"><a href="#parse_date_delta-384"><span class="linenos">384</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="parse_date_delta-385"><a href="#parse_date_delta-385"><span class="linenos">385</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span> +</span><span id="parse_date_delta-386"><a href="#parse_date_delta-386"><span class="linenos">386</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="parse_date_delta-387"><a href="#parse_date_delta-387"><span class="linenos">387</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="parse_date_delta-388"><a href="#parse_date_delta-388"><span class="linenos">388</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span> +</span><span id="parse_date_delta-389"><a href="#parse_date_delta-389"><span class="linenos">389</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="p">)</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span> <span class="c1"># type: ignore</span> +</span><span id="parse_date_delta-390"><a href="#parse_date_delta-390"><span class="linenos">390</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> +</span><span id="parse_date_delta-391"><a href="#parse_date_delta-391"><span class="linenos">391</span></a> +</span><span id="parse_date_delta-392"><a href="#parse_date_delta-392"><span class="linenos">392</span></a> <span class="k">return</span> <span class="n">inner_func</span> +</span></pre></div> + + + + + </section> + <section id="locate_to_strposition"> + <input id="locate_to_strposition-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">locate_to_strposition</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">args</span><span class="p">:</span> <span class="n">Sequence</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span> + + <label class="view-source-button" for="locate_to_strposition-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#locate_to_strposition"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="locate_to_strposition-395"><a href="#locate_to_strposition-395"><span class="linenos">395</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="locate_to_strposition-396"><a href="#locate_to_strposition-396"><span class="linenos">396</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span> +</span><span id="locate_to_strposition-397"><a href="#locate_to_strposition-397"><span class="linenos">397</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> +</span><span id="locate_to_strposition-398"><a href="#locate_to_strposition-398"><span class="linenos">398</span></a> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> +</span><span id="locate_to_strposition-399"><a href="#locate_to_strposition-399"><span class="linenos">399</span></a> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> +</span><span id="locate_to_strposition-400"><a href="#locate_to_strposition-400"><span class="linenos">400</span></a> <span class="p">)</span> +</span></pre></div> + + + + + </section> + <section id="strposition_to_locate_sql"> + <input id="strposition_to_locate_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">strposition_to_locate_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="strposition_to_locate_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#strposition_to_locate_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="strposition_to_locate_sql-403"><a href="#strposition_to_locate_sql-403"><span class="linenos">403</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="strposition_to_locate_sql-404"><a href="#strposition_to_locate_sql-404"><span class="linenos">404</span></a> <span class="n">args</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span> +</span><span id="strposition_to_locate_sql-405"><a href="#strposition_to_locate_sql-405"><span class="linenos">405</span></a> <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">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">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">"position"</span><span class="p">)</span> +</span><span id="strposition_to_locate_sql-406"><a href="#strposition_to_locate_sql-406"><span class="linenos">406</span></a> <span class="p">)</span> +</span><span id="strposition_to_locate_sql-407"><a href="#strposition_to_locate_sql-407"><span class="linenos">407</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"LOCATE(</span><span class="si">{</span><span class="n">args</span><span class="si">}</span><span class="s2">)"</span> +</span></pre></div> + + + + + </section> + <section id="timestrtotime_sql"> + <input id="timestrtotime_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">timestrtotime_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="timestrtotime_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#timestrtotime_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="timestrtotime_sql-410"><a href="#timestrtotime_sql-410"><span class="linenos">410</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="timestrtotime_sql-411"><a href="#timestrtotime_sql-411"><span class="linenos">411</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS TIMESTAMP)"</span> +</span></pre></div> + + + + + </section> + <section id="datestrtodate_sql"> + <input id="datestrtodate_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">datestrtodate_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="datestrtodate_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#datestrtodate_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="datestrtodate_sql-414"><a href="#datestrtodate_sql-414"><span class="linenos">414</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="datestrtodate_sql-415"><a href="#datestrtodate_sql-415"><span class="linenos">415</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span></pre></div> + + + + + </section> + <section id="trim_sql"> + <input id="trim_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">trim_sql</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="bp">self</span><span class="p">:</span> <span class="n"><a href="../generator.html#Generator">sqlglot.generator.Generator</a></span>,</span><span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#Trim">sqlglot.expressions.Trim</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> + + <label class="view-source-button" for="trim_sql-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#trim_sql"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="trim_sql-418"><a href="#trim_sql-418"><span class="linenos">418</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</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">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="trim_sql-419"><a href="#trim_sql-419"><span class="linenos">419</span></a> <span class="n">target</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="trim_sql-420"><a href="#trim_sql-420"><span class="linenos">420</span></a> <span class="n">trim_type</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">"position"</span><span class="p">)</span> +</span><span id="trim_sql-421"><a href="#trim_sql-421"><span class="linenos">421</span></a> <span class="n">remove_chars</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">"expression"</span><span class="p">)</span> +</span><span id="trim_sql-422"><a href="#trim_sql-422"><span class="linenos">422</span></a> <span class="n">collation</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">"collation"</span><span class="p">)</span> +</span><span id="trim_sql-423"><a href="#trim_sql-423"><span class="linenos">423</span></a> +</span><span id="trim_sql-424"><a href="#trim_sql-424"><span class="linenos">424</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span> +</span><span id="trim_sql-425"><a href="#trim_sql-425"><span class="linenos">425</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span> +</span><span id="trim_sql-426"><a href="#trim_sql-426"><span class="linenos">426</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="trim_sql-427"><a href="#trim_sql-427"><span class="linenos">427</span></a> +</span><span id="trim_sql-428"><a href="#trim_sql-428"><span class="linenos">428</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-429"><a href="#trim_sql-429"><span class="linenos">429</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-430"><a href="#trim_sql-430"><span class="linenos">430</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-431"><a href="#trim_sql-431"><span class="linenos">431</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-432"><a href="#trim_sql-432"><span class="linenos">432</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span> 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