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1 files changed, 667 insertions, 688 deletions
diff --git a/docs/sqlglot/dialects/redshift.html b/docs/sqlglot/dialects/redshift.html index 880cb89..2062073 100644 --- a/docs/sqlglot/dialects/redshift.html +++ b/docs/sqlglot/dialects/redshift.html @@ -229,261 +229,245 @@ </span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> </span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a> <span class="n">date_delta_sql</span><span class="p">,</span> </span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> -</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="n">json_path_segments</span><span class="p">,</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="n">json_extract_segments</span><span class="p">,</span> </span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> <span class="n">no_tablesample_sql</span><span class="p">,</span> -</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="n">parse_json_extract_path</span><span class="p">,</span> -</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> <span class="n">rename_func</span><span class="p">,</span> -</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a><span class="p">)</span> -</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.postgres</span> <span class="kn">import</span> <span class="n">Postgres</span> -</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">seq_get</span> -</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">TokenType</span> -</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> -</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a><span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span> -</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span> +</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> <span class="n">rename_func</span><span class="p">,</span> +</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a><span class="p">)</span> +</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.postgres</span> <span class="kn">import</span> <span class="n">Postgres</span> +</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">seq_get</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">TokenType</span> +</span><span id="L-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="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span> +</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> </span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> -</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> -</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a><span class="k">def</span> <span class="nf">_json_extract_sql</span><span class="p">(</span> -</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Redshift</span><span class="o">.</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">JSONExtractScalar</span> -</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">,</span> -</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> -</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="o">*</span><span class="n">json_path_segments</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">),</span> -</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</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">"null_if_invalid"</span><span class="p">),</span> -</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="p">)</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a><span class="k">def</span> <span class="nf">_parse_date_delta</span><span class="p">(</span><span class="n">expr_type</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="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">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="k">def</span> <span class="nf">_parse_delta</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">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">expr</span> <span class="o">=</span> <span class="n">expr_type</span><span class="p">(</span><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="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="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><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="k">if</span> <span class="n">expr_type</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">expr</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"return_type"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">))</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="k">return</span> <span class="n">expr</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="k">return</span> <span class="n">_parse_delta</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> </span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> -</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> -</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a><span class="k">def</span> <span class="nf">_parse_date_delta</span><span class="p">(</span><span class="n">expr_type</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="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">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> -</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="k">def</span> <span class="nf">_parse_delta</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">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">expr</span> <span class="o">=</span> <span class="n">expr_type</span><span class="p">(</span><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="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="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><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="k">if</span> <span class="n">expr_type</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> -</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">expr</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"return_type"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">))</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a><span class="k">class</span> <span class="nc">Redshift</span><span class="p">(</span><span class="n">Postgres</span><span class="p">):</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="c1"># https://docs.aws.amazon.com/redshift/latest/dg/r_names.html</span> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">NORMALIZATION_STRATEGY</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">SUPPORTS_USER_DEFINED_TYPES</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span> </span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> -</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="k">return</span> <span class="n">expr</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="k">return</span> <span class="n">_parse_delta</span> -</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> -</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> -</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a><span class="k">class</span> <span class="nc">Redshift</span><span class="p">(</span><span class="n">Postgres</span><span class="p">):</span> -</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="c1"># https://docs.aws.amazon.com/redshift/latest/dg/r_names.html</span> -</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">NORMALIZATION_STRATEGY</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span> -</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> -</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="n">SUPPORTS_USER_DEFINED_TYPES</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</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="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'YYYY-MM-DD HH:MI:SS'"</span> -</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> -</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> -</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> -</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="p">}</span> -</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> -</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> -</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> -</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="s2">"ADD_MONTHS"</span><span class="p">:</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">(</span> -</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</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-66"><a href="#L-66"><span class="linenos"> 66</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><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"month"</span><span class="p">),</span> -</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">return_type</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">),</span> -</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="p">),</span> -</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="s2">"DATEADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> -</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="s2">"DATE_ADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> -</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="s2">"DATEDIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> -</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="s2">"DATE_DIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> -</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="s2">"GETDATE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">:</span> <span class="n">parse_json_extract_path</span><span class="p">(</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span><span class="p">,</span> <span class="n">supports_null_if_invalid</span><span class="o">=</span><span class="kc">True</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="p">),</span> -</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="s2">"LISTAGG"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="s2">"STRTOL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="p">}</span> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">NO_PAREN_FUNCTION_PARSERS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">NO_PAREN_FUNCTION_PARSERS</span><span class="p">,</span> -</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="s2">"APPROXIMATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_approximate_count</span><span class="p">(),</span> -</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> <span class="n">transaction</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="p">}</span> -</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> -</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span> -</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">alias_tokens</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">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'YYYY-MM-DD HH:MI:SS'"</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="n">TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="p">}</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="s2">"ADD_MONTHS"</span><span class="p">:</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">(</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</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-54"><a href="#L-54"><span class="linenos"> 54</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><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"month"</span><span class="p">),</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="n">return_type</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">),</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="p">),</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="s2">"DATEADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="s2">"DATE_ADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="s2">"DATEDIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="s2">"DATE_DIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> +</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="s2">"GETDATE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="s2">"LISTAGG"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="s2">"STRTOL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <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">NO_PAREN_FUNCTION_PARSERS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">NO_PAREN_FUNCTION_PARSERS</span><span class="p">,</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="s2">"APPROXIMATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_approximate_count</span><span class="p">(),</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> <span class="n">transaction</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="p">}</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">alias_tokens</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">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</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-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="c1"># Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr`</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">unpivot</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">UNPIVOT</span><span class="p">)</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">table</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">,</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">alias_tokens</span><span class="o">=</span><span class="n">alias_tokens</span><span class="p">,</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">parse_bracket</span><span class="o">=</span><span class="n">parse_bracket</span><span class="p">,</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">is_db_reference</span><span class="o">=</span><span class="n">is_db_reference</span><span class="p">,</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="p">)</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">unpivot</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">if</span> <span class="n">unpivot</span> <span class="k">else</span> <span class="n">table</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</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="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-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="c1"># Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr`</span> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">unpivot</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">UNPIVOT</span><span class="p">)</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">table</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">,</span> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">alias_tokens</span><span class="o">=</span><span class="n">alias_tokens</span><span class="p">,</span> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">parse_bracket</span><span class="o">=</span><span class="n">parse_bracket</span><span class="p">,</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">is_db_reference</span><span class="o">=</span><span class="n">is_db_reference</span><span class="p">,</span> -</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="p">)</span> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">unpivot</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">if</span> <span class="n">unpivot</span> <span class="k">else</span> <span class="n">table</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="o">=</span><span class="n">allow_identifiers</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="p">)</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"varchar"</span><span class="p">)</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="p">):</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)])</span> </span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</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-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="o">=</span><span class="n">allow_identifiers</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="p">)</span> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"varchar"</span><span class="p">)</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> -</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="p">):</span> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)])</span> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="n">this</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="k">def</span> <span class="nf">_parse_convert</span><span class="p">(</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">safe</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="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</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-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">to</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">()</span> -</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">COMMA</span><span class="p">)</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_bitwise</span><span class="p">()</span> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">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="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">to</span><span class="o">=</span><span class="n">to</span><span class="p">,</span> <span class="n">safe</span><span class="o">=</span><span class="n">safe</span><span class="p">)</span> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">_parse_approximate_count</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">]:</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_index</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">func</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_function</span><span class="p">()</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</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">Distinct</span><span class="p">):</span> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">func</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_retreat</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> -</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">def</span> <span class="nf">_parse_query_modifiers</span><span class="p">(</span> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">this</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-144"><a href="#L-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="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_query_modifiers</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">if</span> <span class="n">this</span><span class="p">:</span> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])):</span> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">refs</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="p">(</span> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">][</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="p">)</span><span class="o">.</span><span class="n">alias_or_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> -</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="p">)</span> -</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">refs</span><span class="p">:</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">table</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">to_column</span><span class="p">())</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="k">return</span> <span class="n">this</span> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> -</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="s2">"TOP"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TOP</span><span class="p">,</span> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="p">}</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="c1"># Redshift allows # to appear as a table identifier prefix</span> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">SINGLE_TOKENS</span> <span class="o">=</span> <span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"#"</span><span class="p">)</span> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">QUERY_HINTS</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">VALUES_AS_TABLE</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">TZ_TO_WITH_TIME_ZONE</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">NVL2_SUPPORTED</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">LAST_DAY_SUPPORTS_DATE_PART</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> -</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMETZ</span><span class="p">:</span> <span class="s2">"TIME"</span><span class="p">,</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">:</span> <span class="s2">"TIMESTAMP"</span><span class="p">,</span> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="p">}</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">:</span> <span class="n">concat_to_dpipe_sql</span><span class="p">,</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">:</span> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"APPROXIMATE COUNT(DISTINCT </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="p">(</span> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="s2">"SYSDATE"</span> <span class="k">if</span> <span class="n">e</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">"transaction"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"GETDATE()"</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="p">),</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"STRTOL"</span><span class="p">),</span> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span><span class="p">:</span> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span><span class="p">:</span> <span class="n">_json_extract_sql</span><span class="p">,</span> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span><span class="p">:</span> <span class="n">_json_extract_sql</span><span class="p">,</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"LISTAGG"</span><span class="p">),</span> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"JSON_PARSE"</span><span class="p">),</span> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">:</span> <span class="n">transforms</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="p">[</span><span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_distinct_on</span><span class="p">,</span> <span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_semi_and_anti_joins</span><span class="p">]</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="p">),</span> -</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">:</span> <span class="n">no_tablesample_sql</span><span class="p">,</span> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> -</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="p">}</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">)</span> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="c1"># Redshift supports ANY_VALUE(..)</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">def</span> <span class="nf">_parse_convert</span><span class="p">(</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">safe</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="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</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-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">to</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">()</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">COMMA</span><span class="p">)</span> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_bitwise</span><span class="p">()</span> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TryCast</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">to</span><span class="o">=</span><span class="n">to</span><span class="p">,</span> <span class="n">safe</span><span class="o">=</span><span class="n">safe</span><span class="p">)</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="k">def</span> <span class="nf">_parse_approximate_count</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">]:</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_index</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="n">func</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_function</span><span class="p">()</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</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">Distinct</span><span class="p">):</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">func</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_retreat</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">def</span> <span class="nf">_parse_query_modifiers</span><span class="p">(</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">this</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-129"><a href="#L-129"><span class="linenos">129</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-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_query_modifiers</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="n">this</span><span class="p">:</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])):</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">refs</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="p">(</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">][</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="p">)</span><span class="o">.</span><span class="n">alias_or_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="p">)</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">refs</span><span class="p">:</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">table</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">to_column</span><span class="p">())</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="s2">"TOP"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TOP</span><span class="p">,</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="p">}</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="c1"># Redshift allows # to appear as a table identifier prefix</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">SINGLE_TOKENS</span> <span class="o">=</span> <span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"#"</span><span class="p">)</span> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">QUERY_HINTS</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">VALUES_AS_TABLE</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">TZ_TO_WITH_TIME_ZONE</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">NVL2_SUPPORTED</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="n">LAST_DAY_SUPPORTS_DATE_PART</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMETZ</span><span class="p">:</span> <span class="s2">"TIME"</span><span class="p">,</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">:</span> <span class="s2">"TIMESTAMP"</span><span class="p">,</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="p">}</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">:</span> <span class="n">concat_to_dpipe_sql</span><span class="p">,</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">:</span> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"APPROXIMATE COUNT(DISTINCT </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="p">(</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="s2">"SYSDATE"</span> <span class="k">if</span> <span class="n">e</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">"transaction"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"GETDATE()"</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 class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"STRTOL"</span><span class="p">),</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span><span class="p">:</span> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span><span class="p">:</span> <span class="n">json_extract_segments</span><span class="p">(</span><span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">),</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"LISTAGG"</span><span class="p">),</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"JSON_PARSE"</span><span class="p">),</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">:</span> <span class="n">transforms</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="p">[</span><span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_distinct_on</span><span class="p">,</span> <span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_semi_and_anti_joins</span><span class="p">]</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="p">),</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">:</span> <span class="n">no_tablesample_sql</span><span class="p">,</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="p">}</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">)</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="c1"># Redshift supports ANY_VALUE(..)</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="c1"># Redshift supports LAST_DAY(..)</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">RESERVED_KEYWORDS</span> <span class="o">=</span> <span class="p">{</span><span class="o">*</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">RESERVED_KEYWORDS</span><span class="p">,</span> <span class="s2">"snapshot"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">}</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="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-233"><a href="#L-233"><span class="linenos">233</span></a> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> </span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="c1"># Redshift supports LAST_DAY(..)</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">RESERVED_KEYWORDS</span> <span class="o">=</span> <span class="p">{</span><span class="o">*</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">RESERVED_KEYWORDS</span><span class="p">,</span> <span class="s2">"snapshot"</span><span class="p">,</span> <span class="s2">"type"</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 class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</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 class="s2">"this"</span><span class="p">)</span> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a><span class="sd"> """</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> </span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a><span class="sd"> """</span> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> -</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">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -499,226 +483,222 @@ </div> <a class="headerlink" href="#Redshift"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift-48"><a href="#Redshift-48"><span class="linenos"> 48</span></a><span class="k">class</span> <span class="nc">Redshift</span><span class="p">(</span><span class="n">Postgres</span><span class="p">):</span> -</span><span id="Redshift-49"><a href="#Redshift-49"><span class="linenos"> 49</span></a> <span class="c1"># https://docs.aws.amazon.com/redshift/latest/dg/r_names.html</span> -</span><span id="Redshift-50"><a href="#Redshift-50"><span class="linenos"> 50</span></a> <span class="n">NORMALIZATION_STRATEGY</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span> -</span><span id="Redshift-51"><a href="#Redshift-51"><span class="linenos"> 51</span></a> -</span><span id="Redshift-52"><a href="#Redshift-52"><span class="linenos"> 52</span></a> <span class="n">SUPPORTS_USER_DEFINED_TYPES</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift-53"><a href="#Redshift-53"><span class="linenos"> 53</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span> -</span><span id="Redshift-54"><a href="#Redshift-54"><span class="linenos"> 54</span></a> -</span><span id="Redshift-55"><a href="#Redshift-55"><span class="linenos"> 55</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'YYYY-MM-DD HH:MI:SS'"</span> -</span><span id="Redshift-56"><a href="#Redshift-56"><span class="linenos"> 56</span></a> <span class="n">TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-57"><a href="#Redshift-57"><span class="linenos"> 57</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> -</span><span id="Redshift-58"><a href="#Redshift-58"><span class="linenos"> 58</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> -</span><span id="Redshift-59"><a href="#Redshift-59"><span class="linenos"> 59</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> -</span><span id="Redshift-60"><a href="#Redshift-60"><span class="linenos"> 60</span></a> <span class="p">}</span> -</span><span id="Redshift-61"><a href="#Redshift-61"><span class="linenos"> 61</span></a> -</span><span id="Redshift-62"><a href="#Redshift-62"><span class="linenos"> 62</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> -</span><span id="Redshift-63"><a href="#Redshift-63"><span class="linenos"> 63</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-64"><a href="#Redshift-64"><span class="linenos"> 64</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> -</span><span id="Redshift-65"><a href="#Redshift-65"><span class="linenos"> 65</span></a> <span class="s2">"ADD_MONTHS"</span><span class="p">:</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">(</span> -</span><span id="Redshift-66"><a href="#Redshift-66"><span class="linenos"> 66</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="Redshift-67"><a href="#Redshift-67"><span class="linenos"> 67</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><span id="Redshift-68"><a href="#Redshift-68"><span class="linenos"> 68</span></a> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"month"</span><span class="p">),</span> -</span><span id="Redshift-69"><a href="#Redshift-69"><span class="linenos"> 69</span></a> <span class="n">return_type</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">),</span> -</span><span id="Redshift-70"><a href="#Redshift-70"><span class="linenos"> 70</span></a> <span class="p">),</span> -</span><span id="Redshift-71"><a href="#Redshift-71"><span class="linenos"> 71</span></a> <span class="s2">"DATEADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> -</span><span id="Redshift-72"><a href="#Redshift-72"><span class="linenos"> 72</span></a> <span class="s2">"DATE_ADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> -</span><span id="Redshift-73"><a href="#Redshift-73"><span class="linenos"> 73</span></a> <span class="s2">"DATEDIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> -</span><span id="Redshift-74"><a href="#Redshift-74"><span class="linenos"> 74</span></a> <span class="s2">"DATE_DIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> -</span><span id="Redshift-75"><a href="#Redshift-75"><span class="linenos"> 75</span></a> <span class="s2">"GETDATE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="Redshift-76"><a href="#Redshift-76"><span class="linenos"> 76</span></a> <span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">:</span> <span class="n">parse_json_extract_path</span><span class="p">(</span> -</span><span id="Redshift-77"><a href="#Redshift-77"><span class="linenos"> 77</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span><span class="p">,</span> <span class="n">supports_null_if_invalid</span><span class="o">=</span><span class="kc">True</span> -</span><span id="Redshift-78"><a href="#Redshift-78"><span class="linenos"> 78</span></a> <span class="p">),</span> -</span><span id="Redshift-79"><a href="#Redshift-79"><span class="linenos"> 79</span></a> <span class="s2">"LISTAGG"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="Redshift-80"><a href="#Redshift-80"><span class="linenos"> 80</span></a> <span class="s2">"STRTOL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="Redshift-81"><a href="#Redshift-81"><span class="linenos"> 81</span></a> <span class="p">}</span> -</span><span id="Redshift-82"><a href="#Redshift-82"><span class="linenos"> 82</span></a> -</span><span id="Redshift-83"><a href="#Redshift-83"><span class="linenos"> 83</span></a> <span class="n">NO_PAREN_FUNCTION_PARSERS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-84"><a href="#Redshift-84"><span class="linenos"> 84</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">NO_PAREN_FUNCTION_PARSERS</span><span class="p">,</span> -</span><span id="Redshift-85"><a href="#Redshift-85"><span class="linenos"> 85</span></a> <span class="s2">"APPROXIMATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_approximate_count</span><span class="p">(),</span> -</span><span id="Redshift-86"><a href="#Redshift-86"><span class="linenos"> 86</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> <span class="n">transaction</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="Redshift-87"><a href="#Redshift-87"><span class="linenos"> 87</span></a> <span class="p">}</span> -</span><span id="Redshift-88"><a href="#Redshift-88"><span class="linenos"> 88</span></a> -</span><span id="Redshift-89"><a href="#Redshift-89"><span class="linenos"> 89</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span> -</span><span id="Redshift-90"><a href="#Redshift-90"><span class="linenos"> 90</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="Redshift-91"><a href="#Redshift-91"><span class="linenos"> 91</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="Redshift-92"><a href="#Redshift-92"><span class="linenos"> 92</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="Redshift-93"><a href="#Redshift-93"><span class="linenos"> 93</span></a> <span class="n">alias_tokens</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">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="Redshift-94"><a href="#Redshift-94"><span class="linenos"> 94</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="Redshift-95"><a href="#Redshift-95"><span class="linenos"> 95</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift-36"><a href="#Redshift-36"><span class="linenos"> 36</span></a><span class="k">class</span> <span class="nc">Redshift</span><span class="p">(</span><span class="n">Postgres</span><span class="p">):</span> +</span><span id="Redshift-37"><a href="#Redshift-37"><span class="linenos"> 37</span></a> <span class="c1"># https://docs.aws.amazon.com/redshift/latest/dg/r_names.html</span> +</span><span id="Redshift-38"><a href="#Redshift-38"><span class="linenos"> 38</span></a> <span class="n">NORMALIZATION_STRATEGY</span> <span class="o">=</span> <span class="n">NormalizationStrategy</span><span class="o">.</span><span class="n">CASE_INSENSITIVE</span> +</span><span id="Redshift-39"><a href="#Redshift-39"><span class="linenos"> 39</span></a> +</span><span id="Redshift-40"><a href="#Redshift-40"><span class="linenos"> 40</span></a> <span class="n">SUPPORTS_USER_DEFINED_TYPES</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift-41"><a href="#Redshift-41"><span class="linenos"> 41</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="Redshift-42"><a href="#Redshift-42"><span class="linenos"> 42</span></a> +</span><span id="Redshift-43"><a href="#Redshift-43"><span class="linenos"> 43</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'YYYY-MM-DD HH:MI:SS'"</span> +</span><span id="Redshift-44"><a href="#Redshift-44"><span class="linenos"> 44</span></a> <span class="n">TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-45"><a href="#Redshift-45"><span class="linenos"> 45</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> +</span><span id="Redshift-46"><a href="#Redshift-46"><span class="linenos"> 46</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> +</span><span id="Redshift-47"><a href="#Redshift-47"><span class="linenos"> 47</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> +</span><span id="Redshift-48"><a href="#Redshift-48"><span class="linenos"> 48</span></a> <span class="p">}</span> +</span><span id="Redshift-49"><a href="#Redshift-49"><span class="linenos"> 49</span></a> +</span><span id="Redshift-50"><a href="#Redshift-50"><span class="linenos"> 50</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> +</span><span id="Redshift-51"><a href="#Redshift-51"><span class="linenos"> 51</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-52"><a href="#Redshift-52"><span class="linenos"> 52</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> +</span><span id="Redshift-53"><a href="#Redshift-53"><span class="linenos"> 53</span></a> <span class="s2">"ADD_MONTHS"</span><span class="p">:</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">(</span> +</span><span id="Redshift-54"><a href="#Redshift-54"><span class="linenos"> 54</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="Redshift-55"><a href="#Redshift-55"><span class="linenos"> 55</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><span id="Redshift-56"><a href="#Redshift-56"><span class="linenos"> 56</span></a> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"month"</span><span class="p">),</span> +</span><span id="Redshift-57"><a href="#Redshift-57"><span class="linenos"> 57</span></a> <span class="n">return_type</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">),</span> +</span><span id="Redshift-58"><a href="#Redshift-58"><span class="linenos"> 58</span></a> <span class="p">),</span> +</span><span id="Redshift-59"><a href="#Redshift-59"><span class="linenos"> 59</span></a> <span class="s2">"DATEADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> +</span><span id="Redshift-60"><a href="#Redshift-60"><span class="linenos"> 60</span></a> <span class="s2">"DATE_ADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> +</span><span id="Redshift-61"><a href="#Redshift-61"><span class="linenos"> 61</span></a> <span class="s2">"DATEDIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> +</span><span id="Redshift-62"><a href="#Redshift-62"><span class="linenos"> 62</span></a> <span class="s2">"DATE_DIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> +</span><span id="Redshift-63"><a href="#Redshift-63"><span class="linenos"> 63</span></a> <span class="s2">"GETDATE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift-64"><a href="#Redshift-64"><span class="linenos"> 64</span></a> <span class="s2">"LISTAGG"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift-65"><a href="#Redshift-65"><span class="linenos"> 65</span></a> <span class="s2">"STRTOL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift-66"><a href="#Redshift-66"><span class="linenos"> 66</span></a> <span class="p">}</span> +</span><span id="Redshift-67"><a href="#Redshift-67"><span class="linenos"> 67</span></a> +</span><span id="Redshift-68"><a href="#Redshift-68"><span class="linenos"> 68</span></a> <span class="n">NO_PAREN_FUNCTION_PARSERS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-69"><a href="#Redshift-69"><span class="linenos"> 69</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">NO_PAREN_FUNCTION_PARSERS</span><span class="p">,</span> +</span><span id="Redshift-70"><a href="#Redshift-70"><span class="linenos"> 70</span></a> <span class="s2">"APPROXIMATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_approximate_count</span><span class="p">(),</span> +</span><span id="Redshift-71"><a href="#Redshift-71"><span class="linenos"> 71</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> <span class="n">transaction</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="Redshift-72"><a href="#Redshift-72"><span class="linenos"> 72</span></a> <span class="p">}</span> +</span><span id="Redshift-73"><a href="#Redshift-73"><span class="linenos"> 73</span></a> +</span><span id="Redshift-74"><a href="#Redshift-74"><span class="linenos"> 74</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span> +</span><span id="Redshift-75"><a href="#Redshift-75"><span class="linenos"> 75</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="Redshift-76"><a href="#Redshift-76"><span class="linenos"> 76</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift-77"><a href="#Redshift-77"><span class="linenos"> 77</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift-78"><a href="#Redshift-78"><span class="linenos"> 78</span></a> <span class="n">alias_tokens</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">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="Redshift-79"><a href="#Redshift-79"><span class="linenos"> 79</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift-80"><a href="#Redshift-80"><span class="linenos"> 80</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift-81"><a href="#Redshift-81"><span class="linenos"> 81</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="Redshift-82"><a href="#Redshift-82"><span class="linenos"> 82</span></a> <span class="c1"># Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr`</span> +</span><span id="Redshift-83"><a href="#Redshift-83"><span class="linenos"> 83</span></a> <span class="n">unpivot</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">UNPIVOT</span><span class="p">)</span> +</span><span id="Redshift-84"><a href="#Redshift-84"><span class="linenos"> 84</span></a> <span class="n">table</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span> +</span><span id="Redshift-85"><a href="#Redshift-85"><span class="linenos"> 85</span></a> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> +</span><span id="Redshift-86"><a href="#Redshift-86"><span class="linenos"> 86</span></a> <span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">,</span> +</span><span id="Redshift-87"><a href="#Redshift-87"><span class="linenos"> 87</span></a> <span class="n">alias_tokens</span><span class="o">=</span><span class="n">alias_tokens</span><span class="p">,</span> +</span><span id="Redshift-88"><a href="#Redshift-88"><span class="linenos"> 88</span></a> <span class="n">parse_bracket</span><span class="o">=</span><span class="n">parse_bracket</span><span class="p">,</span> +</span><span id="Redshift-89"><a href="#Redshift-89"><span class="linenos"> 89</span></a> <span class="n">is_db_reference</span><span class="o">=</span><span class="n">is_db_reference</span><span class="p">,</span> +</span><span id="Redshift-90"><a href="#Redshift-90"><span class="linenos"> 90</span></a> <span class="p">)</span> +</span><span id="Redshift-91"><a href="#Redshift-91"><span class="linenos"> 91</span></a> +</span><span id="Redshift-92"><a href="#Redshift-92"><span class="linenos"> 92</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">unpivot</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">if</span> <span class="n">unpivot</span> <span class="k">else</span> <span class="n">table</span> +</span><span id="Redshift-93"><a href="#Redshift-93"><span class="linenos"> 93</span></a> +</span><span id="Redshift-94"><a href="#Redshift-94"><span class="linenos"> 94</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span> +</span><span id="Redshift-95"><a href="#Redshift-95"><span class="linenos"> 95</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> </span><span id="Redshift-96"><a href="#Redshift-96"><span class="linenos"> 96</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="Redshift-97"><a href="#Redshift-97"><span class="linenos"> 97</span></a> <span class="c1"># Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr`</span> -</span><span id="Redshift-98"><a href="#Redshift-98"><span class="linenos"> 98</span></a> <span class="n">unpivot</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">UNPIVOT</span><span class="p">)</span> -</span><span id="Redshift-99"><a href="#Redshift-99"><span class="linenos"> 99</span></a> <span class="n">table</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span> -</span><span id="Redshift-100"><a href="#Redshift-100"><span class="linenos">100</span></a> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> -</span><span id="Redshift-101"><a href="#Redshift-101"><span class="linenos">101</span></a> <span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">,</span> -</span><span id="Redshift-102"><a href="#Redshift-102"><span class="linenos">102</span></a> <span class="n">alias_tokens</span><span class="o">=</span><span class="n">alias_tokens</span><span class="p">,</span> -</span><span id="Redshift-103"><a href="#Redshift-103"><span class="linenos">103</span></a> <span class="n">parse_bracket</span><span class="o">=</span><span class="n">parse_bracket</span><span class="p">,</span> -</span><span id="Redshift-104"><a href="#Redshift-104"><span class="linenos">104</span></a> <span class="n">is_db_reference</span><span class="o">=</span><span class="n">is_db_reference</span><span class="p">,</span> -</span><span id="Redshift-105"><a href="#Redshift-105"><span class="linenos">105</span></a> <span class="p">)</span> -</span><span id="Redshift-106"><a href="#Redshift-106"><span class="linenos">106</span></a> -</span><span id="Redshift-107"><a href="#Redshift-107"><span class="linenos">107</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">unpivot</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">if</span> <span class="n">unpivot</span> <span class="k">else</span> <span class="n">table</span> +</span><span id="Redshift-97"><a href="#Redshift-97"><span class="linenos"> 97</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span> +</span><span id="Redshift-98"><a href="#Redshift-98"><span class="linenos"> 98</span></a> <span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="o">=</span><span class="n">allow_identifiers</span> +</span><span id="Redshift-99"><a href="#Redshift-99"><span class="linenos"> 99</span></a> <span class="p">)</span> +</span><span id="Redshift-100"><a href="#Redshift-100"><span class="linenos">100</span></a> +</span><span id="Redshift-101"><a href="#Redshift-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="Redshift-102"><a href="#Redshift-102"><span class="linenos">102</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> +</span><span id="Redshift-103"><a href="#Redshift-103"><span class="linenos">103</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"varchar"</span><span class="p">)</span> +</span><span id="Redshift-104"><a href="#Redshift-104"><span class="linenos">104</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Redshift-105"><a href="#Redshift-105"><span class="linenos">105</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="Redshift-106"><a href="#Redshift-106"><span class="linenos">106</span></a> <span class="p">):</span> +</span><span id="Redshift-107"><a href="#Redshift-107"><span class="linenos">107</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)])</span> </span><span id="Redshift-108"><a href="#Redshift-108"><span class="linenos">108</span></a> -</span><span id="Redshift-109"><a href="#Redshift-109"><span class="linenos">109</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span> -</span><span id="Redshift-110"><a href="#Redshift-110"><span class="linenos">110</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="Redshift-111"><a href="#Redshift-111"><span class="linenos">111</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="Redshift-112"><a href="#Redshift-112"><span class="linenos">112</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span> -</span><span id="Redshift-113"><a href="#Redshift-113"><span class="linenos">113</span></a> <span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="o">=</span><span class="n">allow_identifiers</span> -</span><span id="Redshift-114"><a href="#Redshift-114"><span class="linenos">114</span></a> <span class="p">)</span> -</span><span id="Redshift-115"><a href="#Redshift-115"><span class="linenos">115</span></a> -</span><span id="Redshift-116"><a href="#Redshift-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="Redshift-117"><a href="#Redshift-117"><span class="linenos">117</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> -</span><span id="Redshift-118"><a href="#Redshift-118"><span class="linenos">118</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"varchar"</span><span class="p">)</span> -</span><span id="Redshift-119"><a href="#Redshift-119"><span class="linenos">119</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Redshift-120"><a href="#Redshift-120"><span class="linenos">120</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> -</span><span id="Redshift-121"><a href="#Redshift-121"><span class="linenos">121</span></a> <span class="p">):</span> -</span><span id="Redshift-122"><a href="#Redshift-122"><span class="linenos">122</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)])</span> -</span><span id="Redshift-123"><a href="#Redshift-123"><span class="linenos">123</span></a> -</span><span id="Redshift-124"><a href="#Redshift-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="n">this</span> -</span><span id="Redshift-125"><a href="#Redshift-125"><span class="linenos">125</span></a> -</span><span id="Redshift-126"><a href="#Redshift-126"><span class="linenos">126</span></a> <span class="k">def</span> <span class="nf">_parse_convert</span><span class="p">(</span> -</span><span id="Redshift-127"><a href="#Redshift-127"><span class="linenos">127</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">safe</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="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Redshift-128"><a href="#Redshift-128"><span class="linenos">128</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="Redshift-129"><a href="#Redshift-129"><span class="linenos">129</span></a> <span class="n">to</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">()</span> -</span><span id="Redshift-130"><a href="#Redshift-130"><span class="linenos">130</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">COMMA</span><span class="p">)</span> -</span><span id="Redshift-131"><a href="#Redshift-131"><span class="linenos">131</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_bitwise</span><span class="p">()</span> -</span><span id="Redshift-132"><a href="#Redshift-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TryCast</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">to</span><span class="o">=</span><span class="n">to</span><span class="p">,</span> <span class="n">safe</span><span class="o">=</span><span class="n">safe</span><span class="p">)</span> -</span><span id="Redshift-133"><a href="#Redshift-133"><span class="linenos">133</span></a> -</span><span id="Redshift-134"><a href="#Redshift-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">_parse_approximate_count</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">]:</span> -</span><span id="Redshift-135"><a href="#Redshift-135"><span class="linenos">135</span></a> <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_index</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="Redshift-136"><a href="#Redshift-136"><span class="linenos">136</span></a> <span class="n">func</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_function</span><span class="p">()</span> -</span><span id="Redshift-137"><a href="#Redshift-137"><span class="linenos">137</span></a> -</span><span id="Redshift-138"><a href="#Redshift-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</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">Distinct</span><span class="p">):</span> -</span><span id="Redshift-139"><a href="#Redshift-139"><span class="linenos">139</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">func</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> -</span><span id="Redshift-140"><a href="#Redshift-140"><span class="linenos">140</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_retreat</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> -</span><span id="Redshift-141"><a href="#Redshift-141"><span class="linenos">141</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="Redshift-142"><a href="#Redshift-142"><span class="linenos">142</span></a> -</span><span id="Redshift-143"><a href="#Redshift-143"><span class="linenos">143</span></a> <span class="k">def</span> <span class="nf">_parse_query_modifiers</span><span class="p">(</span> -</span><span id="Redshift-144"><a href="#Redshift-144"><span class="linenos">144</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">this</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="Redshift-145"><a href="#Redshift-145"><span class="linenos">145</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="Redshift-146"><a href="#Redshift-146"><span class="linenos">146</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_query_modifiers</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> -</span><span id="Redshift-147"><a href="#Redshift-147"><span class="linenos">147</span></a> -</span><span id="Redshift-148"><a href="#Redshift-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">this</span><span class="p">:</span> -</span><span id="Redshift-149"><a href="#Redshift-149"><span class="linenos">149</span></a> <span class="n">refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="Redshift-150"><a href="#Redshift-150"><span class="linenos">150</span></a> -</span><span id="Redshift-151"><a href="#Redshift-151"><span class="linenos">151</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])):</span> -</span><span id="Redshift-152"><a href="#Redshift-152"><span class="linenos">152</span></a> <span class="n">refs</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> -</span><span id="Redshift-153"><a href="#Redshift-153"><span class="linenos">153</span></a> <span class="p">(</span> -</span><span id="Redshift-154"><a href="#Redshift-154"><span class="linenos">154</span></a> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">][</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> -</span><span id="Redshift-155"><a href="#Redshift-155"><span class="linenos">155</span></a> <span class="p">)</span><span class="o">.</span><span class="n">alias_or_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> -</span><span id="Redshift-156"><a href="#Redshift-156"><span class="linenos">156</span></a> <span class="p">)</span> -</span><span id="Redshift-157"><a href="#Redshift-157"><span class="linenos">157</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">this</span> -</span><span id="Redshift-158"><a href="#Redshift-158"><span class="linenos">158</span></a> -</span><span id="Redshift-159"><a href="#Redshift-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="Redshift-160"><a href="#Redshift-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">refs</span><span class="p">:</span> -</span><span id="Redshift-161"><a href="#Redshift-161"><span class="linenos">161</span></a> <span class="n">table</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">to_column</span><span class="p">())</span> -</span><span id="Redshift-162"><a href="#Redshift-162"><span class="linenos">162</span></a> <span class="k">return</span> <span class="n">this</span> -</span><span id="Redshift-163"><a href="#Redshift-163"><span class="linenos">163</span></a> -</span><span id="Redshift-164"><a href="#Redshift-164"><span class="linenos">164</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> -</span><span id="Redshift-165"><a href="#Redshift-165"><span class="linenos">165</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift-166"><a href="#Redshift-166"><span class="linenos">166</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift-167"><a href="#Redshift-167"><span class="linenos">167</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span> -</span><span id="Redshift-168"><a href="#Redshift-168"><span class="linenos">168</span></a> -</span><span id="Redshift-169"><a href="#Redshift-169"><span class="linenos">169</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-170"><a href="#Redshift-170"><span class="linenos">170</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> -</span><span id="Redshift-171"><a href="#Redshift-171"><span class="linenos">171</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> -</span><span id="Redshift-172"><a href="#Redshift-172"><span class="linenos">172</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> -</span><span id="Redshift-173"><a href="#Redshift-173"><span class="linenos">173</span></a> <span class="s2">"TOP"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TOP</span><span class="p">,</span> -</span><span id="Redshift-174"><a href="#Redshift-174"><span class="linenos">174</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> -</span><span id="Redshift-175"><a href="#Redshift-175"><span class="linenos">175</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> -</span><span id="Redshift-176"><a href="#Redshift-176"><span class="linenos">176</span></a> <span class="p">}</span> -</span><span id="Redshift-177"><a href="#Redshift-177"><span class="linenos">177</span></a> -</span><span id="Redshift-178"><a href="#Redshift-178"><span class="linenos">178</span></a> <span class="c1"># Redshift allows # to appear as a table identifier prefix</span> -</span><span id="Redshift-179"><a href="#Redshift-179"><span class="linenos">179</span></a> <span class="n">SINGLE_TOKENS</span> <span class="o">=</span> <span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift-180"><a href="#Redshift-180"><span class="linenos">180</span></a> <span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"#"</span><span class="p">)</span> -</span><span id="Redshift-181"><a href="#Redshift-181"><span class="linenos">181</span></a> -</span><span id="Redshift-182"><a href="#Redshift-182"><span class="linenos">182</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> -</span><span id="Redshift-183"><a href="#Redshift-183"><span class="linenos">183</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift-184"><a href="#Redshift-184"><span class="linenos">184</span></a> <span class="n">QUERY_HINTS</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift-185"><a href="#Redshift-185"><span class="linenos">185</span></a> <span class="n">VALUES_AS_TABLE</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift-186"><a href="#Redshift-186"><span class="linenos">186</span></a> <span class="n">TZ_TO_WITH_TIME_ZONE</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="Redshift-187"><a href="#Redshift-187"><span class="linenos">187</span></a> <span class="n">NVL2_SUPPORTED</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="Redshift-188"><a href="#Redshift-188"><span class="linenos">188</span></a> <span class="n">LAST_DAY_SUPPORTS_DATE_PART</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift-189"><a href="#Redshift-189"><span class="linenos">189</span></a> -</span><span id="Redshift-190"><a href="#Redshift-190"><span class="linenos">190</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-191"><a href="#Redshift-191"><span class="linenos">191</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> -</span><span id="Redshift-192"><a href="#Redshift-192"><span class="linenos">192</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> -</span><span id="Redshift-193"><a href="#Redshift-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> -</span><span id="Redshift-194"><a href="#Redshift-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMETZ</span><span class="p">:</span> <span class="s2">"TIME"</span><span class="p">,</span> -</span><span id="Redshift-195"><a href="#Redshift-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">:</span> <span class="s2">"TIMESTAMP"</span><span class="p">,</span> -</span><span id="Redshift-196"><a href="#Redshift-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> -</span><span id="Redshift-197"><a href="#Redshift-197"><span class="linenos">197</span></a> <span class="p">}</span> -</span><span id="Redshift-198"><a href="#Redshift-198"><span class="linenos">198</span></a> -</span><span id="Redshift-199"><a href="#Redshift-199"><span class="linenos">199</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-200"><a href="#Redshift-200"><span class="linenos">200</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> -</span><span id="Redshift-201"><a href="#Redshift-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">:</span> <span class="n">concat_to_dpipe_sql</span><span class="p">,</span> -</span><span id="Redshift-202"><a href="#Redshift-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">:</span> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> -</span><span id="Redshift-203"><a href="#Redshift-203"><span class="linenos">203</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> -</span><span id="Redshift-204"><a href="#Redshift-204"><span class="linenos">204</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"APPROXIMATE COUNT(DISTINCT </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Redshift-205"><a href="#Redshift-205"><span class="linenos">205</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="p">(</span> -</span><span id="Redshift-206"><a href="#Redshift-206"><span class="linenos">206</span></a> <span class="s2">"SYSDATE"</span> <span class="k">if</span> <span class="n">e</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">"transaction"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"GETDATE()"</span> -</span><span id="Redshift-207"><a href="#Redshift-207"><span class="linenos">207</span></a> <span class="p">),</span> -</span><span id="Redshift-208"><a href="#Redshift-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> -</span><span id="Redshift-209"><a href="#Redshift-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> -</span><span id="Redshift-210"><a href="#Redshift-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Redshift-211"><a href="#Redshift-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> -</span><span id="Redshift-212"><a href="#Redshift-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"STRTOL"</span><span class="p">),</span> -</span><span id="Redshift-213"><a href="#Redshift-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span><span class="p">:</span> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> -</span><span id="Redshift-214"><a href="#Redshift-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span><span class="p">:</span> <span class="n">_json_extract_sql</span><span class="p">,</span> -</span><span id="Redshift-215"><a href="#Redshift-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span><span class="p">:</span> <span class="n">_json_extract_sql</span><span class="p">,</span> -</span><span id="Redshift-216"><a href="#Redshift-216"><span class="linenos">216</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"LISTAGG"</span><span class="p">),</span> -</span><span id="Redshift-217"><a href="#Redshift-217"><span class="linenos">217</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"JSON_PARSE"</span><span class="p">),</span> -</span><span id="Redshift-218"><a href="#Redshift-218"><span class="linenos">218</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">:</span> <span class="n">transforms</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span> -</span><span id="Redshift-219"><a href="#Redshift-219"><span class="linenos">219</span></a> <span class="p">[</span><span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_distinct_on</span><span class="p">,</span> <span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_semi_and_anti_joins</span><span class="p">]</span> -</span><span id="Redshift-220"><a href="#Redshift-220"><span class="linenos">220</span></a> <span class="p">),</span> -</span><span id="Redshift-221"><a href="#Redshift-221"><span class="linenos">221</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> -</span><span id="Redshift-222"><a href="#Redshift-222"><span class="linenos">222</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Redshift-223"><a href="#Redshift-223"><span class="linenos">223</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">:</span> <span class="n">no_tablesample_sql</span><span class="p">,</span> -</span><span id="Redshift-224"><a href="#Redshift-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> -</span><span id="Redshift-225"><a href="#Redshift-225"><span class="linenos">225</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> -</span><span id="Redshift-226"><a href="#Redshift-226"><span class="linenos">226</span></a> <span class="p">}</span> -</span><span id="Redshift-227"><a href="#Redshift-227"><span class="linenos">227</span></a> -</span><span id="Redshift-228"><a href="#Redshift-228"><span class="linenos">228</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> -</span><span id="Redshift-229"><a href="#Redshift-229"><span class="linenos">229</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> -</span><span id="Redshift-230"><a href="#Redshift-230"><span class="linenos">230</span></a> -</span><span id="Redshift-231"><a href="#Redshift-231"><span class="linenos">231</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> -</span><span id="Redshift-232"><a href="#Redshift-232"><span class="linenos">232</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">)</span> -</span><span id="Redshift-233"><a href="#Redshift-233"><span class="linenos">233</span></a> -</span><span id="Redshift-234"><a href="#Redshift-234"><span class="linenos">234</span></a> <span class="c1"># Redshift supports ANY_VALUE(..)</span> -</span><span id="Redshift-235"><a href="#Redshift-235"><span class="linenos">235</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> +</span><span id="Redshift-109"><a href="#Redshift-109"><span class="linenos">109</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="Redshift-110"><a href="#Redshift-110"><span class="linenos">110</span></a> +</span><span id="Redshift-111"><a href="#Redshift-111"><span class="linenos">111</span></a> <span class="k">def</span> <span class="nf">_parse_convert</span><span class="p">(</span> +</span><span id="Redshift-112"><a href="#Redshift-112"><span class="linenos">112</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">safe</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="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Redshift-113"><a href="#Redshift-113"><span class="linenos">113</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="Redshift-114"><a href="#Redshift-114"><span class="linenos">114</span></a> <span class="n">to</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">()</span> +</span><span id="Redshift-115"><a href="#Redshift-115"><span class="linenos">115</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">COMMA</span><span class="p">)</span> +</span><span id="Redshift-116"><a href="#Redshift-116"><span class="linenos">116</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_bitwise</span><span class="p">()</span> +</span><span id="Redshift-117"><a href="#Redshift-117"><span class="linenos">117</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TryCast</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">to</span><span class="o">=</span><span class="n">to</span><span class="p">,</span> <span class="n">safe</span><span class="o">=</span><span class="n">safe</span><span class="p">)</span> +</span><span id="Redshift-118"><a href="#Redshift-118"><span class="linenos">118</span></a> +</span><span id="Redshift-119"><a href="#Redshift-119"><span class="linenos">119</span></a> <span class="k">def</span> <span class="nf">_parse_approximate_count</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">]:</span> +</span><span id="Redshift-120"><a href="#Redshift-120"><span class="linenos">120</span></a> <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_index</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="Redshift-121"><a href="#Redshift-121"><span class="linenos">121</span></a> <span class="n">func</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_function</span><span class="p">()</span> +</span><span id="Redshift-122"><a href="#Redshift-122"><span class="linenos">122</span></a> +</span><span id="Redshift-123"><a href="#Redshift-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</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">Distinct</span><span class="p">):</span> +</span><span id="Redshift-124"><a href="#Redshift-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">func</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> +</span><span id="Redshift-125"><a href="#Redshift-125"><span class="linenos">125</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_retreat</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> +</span><span id="Redshift-126"><a href="#Redshift-126"><span class="linenos">126</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="Redshift-127"><a href="#Redshift-127"><span class="linenos">127</span></a> +</span><span id="Redshift-128"><a href="#Redshift-128"><span class="linenos">128</span></a> <span class="k">def</span> <span class="nf">_parse_query_modifiers</span><span class="p">(</span> +</span><span id="Redshift-129"><a href="#Redshift-129"><span class="linenos">129</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">this</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="Redshift-130"><a href="#Redshift-130"><span class="linenos">130</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="Redshift-131"><a href="#Redshift-131"><span class="linenos">131</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_query_modifiers</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> +</span><span id="Redshift-132"><a href="#Redshift-132"><span class="linenos">132</span></a> +</span><span id="Redshift-133"><a href="#Redshift-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="n">this</span><span class="p">:</span> +</span><span id="Redshift-134"><a href="#Redshift-134"><span class="linenos">134</span></a> <span class="n">refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="Redshift-135"><a href="#Redshift-135"><span class="linenos">135</span></a> +</span><span id="Redshift-136"><a href="#Redshift-136"><span class="linenos">136</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])):</span> +</span><span id="Redshift-137"><a href="#Redshift-137"><span class="linenos">137</span></a> <span class="n">refs</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> +</span><span id="Redshift-138"><a href="#Redshift-138"><span class="linenos">138</span></a> <span class="p">(</span> +</span><span id="Redshift-139"><a href="#Redshift-139"><span class="linenos">139</span></a> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">][</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> +</span><span id="Redshift-140"><a href="#Redshift-140"><span class="linenos">140</span></a> <span class="p">)</span><span class="o">.</span><span class="n">alias_or_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> +</span><span id="Redshift-141"><a href="#Redshift-141"><span class="linenos">141</span></a> <span class="p">)</span> +</span><span id="Redshift-142"><a href="#Redshift-142"><span class="linenos">142</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">this</span> +</span><span id="Redshift-143"><a href="#Redshift-143"><span class="linenos">143</span></a> +</span><span id="Redshift-144"><a href="#Redshift-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="Redshift-145"><a href="#Redshift-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">refs</span><span class="p">:</span> +</span><span id="Redshift-146"><a href="#Redshift-146"><span class="linenos">146</span></a> <span class="n">table</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">to_column</span><span class="p">())</span> +</span><span id="Redshift-147"><a href="#Redshift-147"><span class="linenos">147</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="Redshift-148"><a href="#Redshift-148"><span class="linenos">148</span></a> +</span><span id="Redshift-149"><a href="#Redshift-149"><span class="linenos">149</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="Redshift-150"><a href="#Redshift-150"><span class="linenos">150</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift-151"><a href="#Redshift-151"><span class="linenos">151</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift-152"><a href="#Redshift-152"><span class="linenos">152</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span> +</span><span id="Redshift-153"><a href="#Redshift-153"><span class="linenos">153</span></a> +</span><span id="Redshift-154"><a href="#Redshift-154"><span class="linenos">154</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-155"><a href="#Redshift-155"><span class="linenos">155</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> +</span><span id="Redshift-156"><a href="#Redshift-156"><span class="linenos">156</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> +</span><span id="Redshift-157"><a href="#Redshift-157"><span class="linenos">157</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> +</span><span id="Redshift-158"><a href="#Redshift-158"><span class="linenos">158</span></a> <span class="s2">"TOP"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TOP</span><span class="p">,</span> +</span><span id="Redshift-159"><a href="#Redshift-159"><span class="linenos">159</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> +</span><span id="Redshift-160"><a href="#Redshift-160"><span class="linenos">160</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> +</span><span id="Redshift-161"><a href="#Redshift-161"><span class="linenos">161</span></a> <span class="p">}</span> +</span><span id="Redshift-162"><a href="#Redshift-162"><span class="linenos">162</span></a> +</span><span id="Redshift-163"><a href="#Redshift-163"><span class="linenos">163</span></a> <span class="c1"># Redshift allows # to appear as a table identifier prefix</span> +</span><span id="Redshift-164"><a href="#Redshift-164"><span class="linenos">164</span></a> <span class="n">SINGLE_TOKENS</span> <span class="o">=</span> <span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift-165"><a href="#Redshift-165"><span class="linenos">165</span></a> <span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"#"</span><span class="p">)</span> +</span><span id="Redshift-166"><a href="#Redshift-166"><span class="linenos">166</span></a> +</span><span id="Redshift-167"><a href="#Redshift-167"><span class="linenos">167</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="Redshift-168"><a href="#Redshift-168"><span class="linenos">168</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift-169"><a href="#Redshift-169"><span class="linenos">169</span></a> <span class="n">QUERY_HINTS</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift-170"><a href="#Redshift-170"><span class="linenos">170</span></a> <span class="n">VALUES_AS_TABLE</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift-171"><a href="#Redshift-171"><span class="linenos">171</span></a> <span class="n">TZ_TO_WITH_TIME_ZONE</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="Redshift-172"><a href="#Redshift-172"><span class="linenos">172</span></a> <span class="n">NVL2_SUPPORTED</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="Redshift-173"><a href="#Redshift-173"><span class="linenos">173</span></a> <span class="n">LAST_DAY_SUPPORTS_DATE_PART</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift-174"><a href="#Redshift-174"><span class="linenos">174</span></a> +</span><span id="Redshift-175"><a href="#Redshift-175"><span class="linenos">175</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-176"><a href="#Redshift-176"><span class="linenos">176</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> +</span><span id="Redshift-177"><a href="#Redshift-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift-178"><a href="#Redshift-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> +</span><span id="Redshift-179"><a href="#Redshift-179"><span class="linenos">179</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMETZ</span><span class="p">:</span> <span class="s2">"TIME"</span><span class="p">,</span> +</span><span id="Redshift-180"><a href="#Redshift-180"><span class="linenos">180</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">:</span> <span class="s2">"TIMESTAMP"</span><span class="p">,</span> +</span><span id="Redshift-181"><a href="#Redshift-181"><span class="linenos">181</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift-182"><a href="#Redshift-182"><span class="linenos">182</span></a> <span class="p">}</span> +</span><span id="Redshift-183"><a href="#Redshift-183"><span class="linenos">183</span></a> +</span><span id="Redshift-184"><a href="#Redshift-184"><span class="linenos">184</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-185"><a href="#Redshift-185"><span class="linenos">185</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> +</span><span id="Redshift-186"><a href="#Redshift-186"><span class="linenos">186</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">:</span> <span class="n">concat_to_dpipe_sql</span><span class="p">,</span> +</span><span id="Redshift-187"><a href="#Redshift-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">:</span> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> +</span><span id="Redshift-188"><a href="#Redshift-188"><span class="linenos">188</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> +</span><span id="Redshift-189"><a href="#Redshift-189"><span class="linenos">189</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"APPROXIMATE COUNT(DISTINCT </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift-190"><a href="#Redshift-190"><span class="linenos">190</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="p">(</span> +</span><span id="Redshift-191"><a href="#Redshift-191"><span class="linenos">191</span></a> <span class="s2">"SYSDATE"</span> <span class="k">if</span> <span class="n">e</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">"transaction"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"GETDATE()"</span> +</span><span id="Redshift-192"><a href="#Redshift-192"><span class="linenos">192</span></a> <span class="p">),</span> +</span><span id="Redshift-193"><a href="#Redshift-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> +</span><span id="Redshift-194"><a href="#Redshift-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> +</span><span id="Redshift-195"><a href="#Redshift-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift-196"><a href="#Redshift-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="Redshift-197"><a href="#Redshift-197"><span class="linenos">197</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"STRTOL"</span><span class="p">),</span> +</span><span id="Redshift-198"><a href="#Redshift-198"><span class="linenos">198</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span><span class="p">:</span> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> +</span><span id="Redshift-199"><a href="#Redshift-199"><span class="linenos">199</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span><span class="p">:</span> <span class="n">json_extract_segments</span><span class="p">(</span><span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">),</span> +</span><span id="Redshift-200"><a href="#Redshift-200"><span class="linenos">200</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"LISTAGG"</span><span class="p">),</span> +</span><span id="Redshift-201"><a href="#Redshift-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"JSON_PARSE"</span><span class="p">),</span> +</span><span id="Redshift-202"><a href="#Redshift-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">:</span> <span class="n">transforms</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span> +</span><span id="Redshift-203"><a href="#Redshift-203"><span class="linenos">203</span></a> <span class="p">[</span><span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_distinct_on</span><span class="p">,</span> <span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_semi_and_anti_joins</span><span class="p">]</span> +</span><span id="Redshift-204"><a href="#Redshift-204"><span class="linenos">204</span></a> <span class="p">),</span> +</span><span id="Redshift-205"><a href="#Redshift-205"><span class="linenos">205</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> +</span><span id="Redshift-206"><a href="#Redshift-206"><span class="linenos">206</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift-207"><a href="#Redshift-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">:</span> <span class="n">no_tablesample_sql</span><span class="p">,</span> +</span><span id="Redshift-208"><a href="#Redshift-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> +</span><span id="Redshift-209"><a href="#Redshift-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> +</span><span id="Redshift-210"><a href="#Redshift-210"><span class="linenos">210</span></a> <span class="p">}</span> +</span><span id="Redshift-211"><a href="#Redshift-211"><span class="linenos">211</span></a> +</span><span id="Redshift-212"><a href="#Redshift-212"><span class="linenos">212</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> +</span><span id="Redshift-213"><a href="#Redshift-213"><span class="linenos">213</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> +</span><span id="Redshift-214"><a href="#Redshift-214"><span class="linenos">214</span></a> +</span><span id="Redshift-215"><a href="#Redshift-215"><span class="linenos">215</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> +</span><span id="Redshift-216"><a href="#Redshift-216"><span class="linenos">216</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">)</span> +</span><span id="Redshift-217"><a href="#Redshift-217"><span class="linenos">217</span></a> +</span><span id="Redshift-218"><a href="#Redshift-218"><span class="linenos">218</span></a> <span class="c1"># Redshift supports ANY_VALUE(..)</span> +</span><span id="Redshift-219"><a href="#Redshift-219"><span class="linenos">219</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> +</span><span id="Redshift-220"><a href="#Redshift-220"><span class="linenos">220</span></a> +</span><span id="Redshift-221"><a href="#Redshift-221"><span class="linenos">221</span></a> <span class="c1"># Redshift supports LAST_DAY(..)</span> +</span><span id="Redshift-222"><a href="#Redshift-222"><span class="linenos">222</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> +</span><span id="Redshift-223"><a href="#Redshift-223"><span class="linenos">223</span></a> +</span><span id="Redshift-224"><a href="#Redshift-224"><span class="linenos">224</span></a> <span class="n">RESERVED_KEYWORDS</span> <span class="o">=</span> <span class="p">{</span><span class="o">*</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">RESERVED_KEYWORDS</span><span class="p">,</span> <span class="s2">"snapshot"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">}</span> +</span><span id="Redshift-225"><a href="#Redshift-225"><span class="linenos">225</span></a> +</span><span id="Redshift-226"><a href="#Redshift-226"><span class="linenos">226</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-227"><a href="#Redshift-227"><span class="linenos">227</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="Redshift-228"><a href="#Redshift-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span><span id="Redshift-229"><a href="#Redshift-229"><span class="linenos">229</span></a> +</span><span id="Redshift-230"><a href="#Redshift-230"><span class="linenos">230</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-231"><a href="#Redshift-231"><span class="linenos">231</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> +</span><span id="Redshift-232"><a href="#Redshift-232"><span class="linenos">232</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> +</span><span id="Redshift-233"><a href="#Redshift-233"><span class="linenos">233</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 class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift-234"><a href="#Redshift-234"><span class="linenos">234</span></a> +</span><span id="Redshift-235"><a href="#Redshift-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> </span><span id="Redshift-236"><a href="#Redshift-236"><span class="linenos">236</span></a> -</span><span id="Redshift-237"><a href="#Redshift-237"><span class="linenos">237</span></a> <span class="c1"># Redshift supports LAST_DAY(..)</span> -</span><span id="Redshift-238"><a href="#Redshift-238"><span class="linenos">238</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> -</span><span id="Redshift-239"><a href="#Redshift-239"><span class="linenos">239</span></a> -</span><span id="Redshift-240"><a href="#Redshift-240"><span class="linenos">240</span></a> <span class="n">RESERVED_KEYWORDS</span> <span class="o">=</span> <span class="p">{</span><span class="o">*</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">RESERVED_KEYWORDS</span><span class="p">,</span> <span class="s2">"snapshot"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">}</span> -</span><span id="Redshift-241"><a href="#Redshift-241"><span class="linenos">241</span></a> -</span><span id="Redshift-242"><a href="#Redshift-242"><span class="linenos">242</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift-243"><a href="#Redshift-243"><span class="linenos">243</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> -</span><span id="Redshift-244"><a href="#Redshift-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> -</span><span id="Redshift-245"><a href="#Redshift-245"><span class="linenos">245</span></a> -</span><span id="Redshift-246"><a href="#Redshift-246"><span class="linenos">246</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift-247"><a href="#Redshift-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> -</span><span id="Redshift-248"><a href="#Redshift-248"><span class="linenos">248</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> -</span><span id="Redshift-249"><a href="#Redshift-249"><span class="linenos">249</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 class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift-237"><a href="#Redshift-237"><span class="linenos">237</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-238"><a href="#Redshift-238"><span class="linenos">238</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift-239"><a href="#Redshift-239"><span class="linenos">239</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="Redshift-240"><a href="#Redshift-240"><span class="linenos">240</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="Redshift-241"><a href="#Redshift-241"><span class="linenos">241</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="Redshift-242"><a href="#Redshift-242"><span class="linenos">242</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift-243"><a href="#Redshift-243"><span class="linenos">243</span></a><span class="sd"> """</span> +</span><span id="Redshift-244"><a href="#Redshift-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> +</span><span id="Redshift-245"><a href="#Redshift-245"><span class="linenos">245</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="Redshift-246"><a href="#Redshift-246"><span class="linenos">246</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="Redshift-247"><a href="#Redshift-247"><span class="linenos">247</span></a> +</span><span id="Redshift-248"><a href="#Redshift-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift-249"><a href="#Redshift-249"><span class="linenos">249</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> </span><span id="Redshift-250"><a href="#Redshift-250"><span class="linenos">250</span></a> -</span><span id="Redshift-251"><a href="#Redshift-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> -</span><span id="Redshift-252"><a href="#Redshift-252"><span class="linenos">252</span></a> -</span><span id="Redshift-253"><a href="#Redshift-253"><span class="linenos">253</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift-254"><a href="#Redshift-254"><span class="linenos">254</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift-255"><a href="#Redshift-255"><span class="linenos">255</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> -</span><span id="Redshift-256"><a href="#Redshift-256"><span class="linenos">256</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> -</span><span id="Redshift-257"><a href="#Redshift-257"><span class="linenos">257</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> -</span><span id="Redshift-258"><a href="#Redshift-258"><span class="linenos">258</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="Redshift-259"><a href="#Redshift-259"><span class="linenos">259</span></a><span class="sd"> """</span> -</span><span id="Redshift-260"><a href="#Redshift-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> -</span><span id="Redshift-261"><a href="#Redshift-261"><span class="linenos">261</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> -</span><span id="Redshift-262"><a href="#Redshift-262"><span class="linenos">262</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> -</span><span id="Redshift-263"><a href="#Redshift-263"><span class="linenos">263</span></a> -</span><span id="Redshift-264"><a href="#Redshift-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> -</span><span id="Redshift-265"><a href="#Redshift-265"><span class="linenos">265</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="Redshift-266"><a href="#Redshift-266"><span class="linenos">266</span></a> -</span><span id="Redshift-267"><a href="#Redshift-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift-251"><a href="#Redshift-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -1096,107 +1076,104 @@ </div> <a class="headerlink" href="#Redshift.Parser"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Parser-62"><a href="#Redshift.Parser-62"><span class="linenos"> 62</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> -</span><span id="Redshift.Parser-63"><a href="#Redshift.Parser-63"><span class="linenos"> 63</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Parser-64"><a href="#Redshift.Parser-64"><span class="linenos"> 64</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> -</span><span id="Redshift.Parser-65"><a href="#Redshift.Parser-65"><span class="linenos"> 65</span></a> <span class="s2">"ADD_MONTHS"</span><span class="p">:</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">(</span> -</span><span id="Redshift.Parser-66"><a href="#Redshift.Parser-66"><span class="linenos"> 66</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="Redshift.Parser-67"><a href="#Redshift.Parser-67"><span class="linenos"> 67</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><span id="Redshift.Parser-68"><a href="#Redshift.Parser-68"><span class="linenos"> 68</span></a> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"month"</span><span class="p">),</span> -</span><span id="Redshift.Parser-69"><a href="#Redshift.Parser-69"><span class="linenos"> 69</span></a> <span class="n">return_type</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">),</span> -</span><span id="Redshift.Parser-70"><a href="#Redshift.Parser-70"><span class="linenos"> 70</span></a> <span class="p">),</span> -</span><span id="Redshift.Parser-71"><a href="#Redshift.Parser-71"><span class="linenos"> 71</span></a> <span class="s2">"DATEADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> -</span><span id="Redshift.Parser-72"><a href="#Redshift.Parser-72"><span class="linenos"> 72</span></a> <span class="s2">"DATE_ADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> -</span><span id="Redshift.Parser-73"><a href="#Redshift.Parser-73"><span class="linenos"> 73</span></a> <span class="s2">"DATEDIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> -</span><span id="Redshift.Parser-74"><a href="#Redshift.Parser-74"><span class="linenos"> 74</span></a> <span class="s2">"DATE_DIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> -</span><span id="Redshift.Parser-75"><a href="#Redshift.Parser-75"><span class="linenos"> 75</span></a> <span class="s2">"GETDATE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="Redshift.Parser-76"><a href="#Redshift.Parser-76"><span class="linenos"> 76</span></a> <span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">:</span> <span class="n">parse_json_extract_path</span><span class="p">(</span> -</span><span id="Redshift.Parser-77"><a href="#Redshift.Parser-77"><span class="linenos"> 77</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span><span class="p">,</span> <span class="n">supports_null_if_invalid</span><span class="o">=</span><span class="kc">True</span> -</span><span id="Redshift.Parser-78"><a href="#Redshift.Parser-78"><span class="linenos"> 78</span></a> <span class="p">),</span> -</span><span id="Redshift.Parser-79"><a href="#Redshift.Parser-79"><span class="linenos"> 79</span></a> <span class="s2">"LISTAGG"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="Redshift.Parser-80"><a href="#Redshift.Parser-80"><span class="linenos"> 80</span></a> <span class="s2">"STRTOL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> -</span><span id="Redshift.Parser-81"><a href="#Redshift.Parser-81"><span class="linenos"> 81</span></a> <span class="p">}</span> -</span><span id="Redshift.Parser-82"><a href="#Redshift.Parser-82"><span class="linenos"> 82</span></a> -</span><span id="Redshift.Parser-83"><a href="#Redshift.Parser-83"><span class="linenos"> 83</span></a> <span class="n">NO_PAREN_FUNCTION_PARSERS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Parser-84"><a href="#Redshift.Parser-84"><span class="linenos"> 84</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">NO_PAREN_FUNCTION_PARSERS</span><span class="p">,</span> -</span><span id="Redshift.Parser-85"><a href="#Redshift.Parser-85"><span class="linenos"> 85</span></a> <span class="s2">"APPROXIMATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_approximate_count</span><span class="p">(),</span> -</span><span id="Redshift.Parser-86"><a href="#Redshift.Parser-86"><span class="linenos"> 86</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> <span class="n">transaction</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> -</span><span id="Redshift.Parser-87"><a href="#Redshift.Parser-87"><span class="linenos"> 87</span></a> <span class="p">}</span> -</span><span id="Redshift.Parser-88"><a href="#Redshift.Parser-88"><span class="linenos"> 88</span></a> -</span><span id="Redshift.Parser-89"><a href="#Redshift.Parser-89"><span class="linenos"> 89</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span> -</span><span id="Redshift.Parser-90"><a href="#Redshift.Parser-90"><span class="linenos"> 90</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="Redshift.Parser-91"><a href="#Redshift.Parser-91"><span class="linenos"> 91</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="Redshift.Parser-92"><a href="#Redshift.Parser-92"><span class="linenos"> 92</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="Redshift.Parser-93"><a href="#Redshift.Parser-93"><span class="linenos"> 93</span></a> <span class="n">alias_tokens</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">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="Redshift.Parser-94"><a href="#Redshift.Parser-94"><span class="linenos"> 94</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="Redshift.Parser-95"><a href="#Redshift.Parser-95"><span class="linenos"> 95</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Parser-50"><a href="#Redshift.Parser-50"><span class="linenos"> 50</span></a> <span class="k">class</span> <span class="nc">Parser</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="p">):</span> +</span><span id="Redshift.Parser-51"><a href="#Redshift.Parser-51"><span class="linenos"> 51</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Parser-52"><a href="#Redshift.Parser-52"><span class="linenos"> 52</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> +</span><span id="Redshift.Parser-53"><a href="#Redshift.Parser-53"><span class="linenos"> 53</span></a> <span class="s2">"ADD_MONTHS"</span><span class="p">:</span> <span class="k">lambda</span> <span class="n">args</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">(</span> +</span><span id="Redshift.Parser-54"><a href="#Redshift.Parser-54"><span class="linenos"> 54</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="Redshift.Parser-55"><a href="#Redshift.Parser-55"><span class="linenos"> 55</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><span id="Redshift.Parser-56"><a href="#Redshift.Parser-56"><span class="linenos"> 56</span></a> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"month"</span><span class="p">),</span> +</span><span id="Redshift.Parser-57"><a href="#Redshift.Parser-57"><span class="linenos"> 57</span></a> <span class="n">return_type</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"TIMESTAMP"</span><span class="p">),</span> +</span><span id="Redshift.Parser-58"><a href="#Redshift.Parser-58"><span class="linenos"> 58</span></a> <span class="p">),</span> +</span><span id="Redshift.Parser-59"><a href="#Redshift.Parser-59"><span class="linenos"> 59</span></a> <span class="s2">"DATEADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> +</span><span id="Redshift.Parser-60"><a href="#Redshift.Parser-60"><span class="linenos"> 60</span></a> <span class="s2">"DATE_ADD"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">),</span> +</span><span id="Redshift.Parser-61"><a href="#Redshift.Parser-61"><span class="linenos"> 61</span></a> <span class="s2">"DATEDIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> +</span><span id="Redshift.Parser-62"><a href="#Redshift.Parser-62"><span class="linenos"> 62</span></a> <span class="s2">"DATE_DIFF"</span><span class="p">:</span> <span class="n">_parse_date_delta</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">),</span> +</span><span id="Redshift.Parser-63"><a href="#Redshift.Parser-63"><span class="linenos"> 63</span></a> <span class="s2">"GETDATE"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift.Parser-64"><a href="#Redshift.Parser-64"><span class="linenos"> 64</span></a> <span class="s2">"LISTAGG"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift.Parser-65"><a href="#Redshift.Parser-65"><span class="linenos"> 65</span></a> <span class="s2">"STRTOL"</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="o">.</span><span class="n">from_arg_list</span><span class="p">,</span> +</span><span id="Redshift.Parser-66"><a href="#Redshift.Parser-66"><span class="linenos"> 66</span></a> <span class="p">}</span> +</span><span id="Redshift.Parser-67"><a href="#Redshift.Parser-67"><span class="linenos"> 67</span></a> +</span><span id="Redshift.Parser-68"><a href="#Redshift.Parser-68"><span class="linenos"> 68</span></a> <span class="n">NO_PAREN_FUNCTION_PARSERS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Parser-69"><a href="#Redshift.Parser-69"><span class="linenos"> 69</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">NO_PAREN_FUNCTION_PARSERS</span><span class="p">,</span> +</span><span id="Redshift.Parser-70"><a href="#Redshift.Parser-70"><span class="linenos"> 70</span></a> <span class="s2">"APPROXIMATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_approximate_count</span><span class="p">(),</span> +</span><span id="Redshift.Parser-71"><a href="#Redshift.Parser-71"><span class="linenos"> 71</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">,</span> <span class="n">transaction</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span> +</span><span id="Redshift.Parser-72"><a href="#Redshift.Parser-72"><span class="linenos"> 72</span></a> <span class="p">}</span> +</span><span id="Redshift.Parser-73"><a href="#Redshift.Parser-73"><span class="linenos"> 73</span></a> +</span><span id="Redshift.Parser-74"><a href="#Redshift.Parser-74"><span class="linenos"> 74</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span> +</span><span id="Redshift.Parser-75"><a href="#Redshift.Parser-75"><span class="linenos"> 75</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="Redshift.Parser-76"><a href="#Redshift.Parser-76"><span class="linenos"> 76</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift.Parser-77"><a href="#Redshift.Parser-77"><span class="linenos"> 77</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift.Parser-78"><a href="#Redshift.Parser-78"><span class="linenos"> 78</span></a> <span class="n">alias_tokens</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">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="Redshift.Parser-79"><a href="#Redshift.Parser-79"><span class="linenos"> 79</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift.Parser-80"><a href="#Redshift.Parser-80"><span class="linenos"> 80</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="Redshift.Parser-81"><a href="#Redshift.Parser-81"><span class="linenos"> 81</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="Redshift.Parser-82"><a href="#Redshift.Parser-82"><span class="linenos"> 82</span></a> <span class="c1"># Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr`</span> +</span><span id="Redshift.Parser-83"><a href="#Redshift.Parser-83"><span class="linenos"> 83</span></a> <span class="n">unpivot</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">UNPIVOT</span><span class="p">)</span> +</span><span id="Redshift.Parser-84"><a href="#Redshift.Parser-84"><span class="linenos"> 84</span></a> <span class="n">table</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span> +</span><span id="Redshift.Parser-85"><a href="#Redshift.Parser-85"><span class="linenos"> 85</span></a> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> +</span><span id="Redshift.Parser-86"><a href="#Redshift.Parser-86"><span class="linenos"> 86</span></a> <span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">,</span> +</span><span id="Redshift.Parser-87"><a href="#Redshift.Parser-87"><span class="linenos"> 87</span></a> <span class="n">alias_tokens</span><span class="o">=</span><span class="n">alias_tokens</span><span class="p">,</span> +</span><span id="Redshift.Parser-88"><a href="#Redshift.Parser-88"><span class="linenos"> 88</span></a> <span class="n">parse_bracket</span><span class="o">=</span><span class="n">parse_bracket</span><span class="p">,</span> +</span><span id="Redshift.Parser-89"><a href="#Redshift.Parser-89"><span class="linenos"> 89</span></a> <span class="n">is_db_reference</span><span class="o">=</span><span class="n">is_db_reference</span><span class="p">,</span> +</span><span id="Redshift.Parser-90"><a href="#Redshift.Parser-90"><span class="linenos"> 90</span></a> <span class="p">)</span> +</span><span id="Redshift.Parser-91"><a href="#Redshift.Parser-91"><span class="linenos"> 91</span></a> +</span><span id="Redshift.Parser-92"><a href="#Redshift.Parser-92"><span class="linenos"> 92</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">unpivot</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">if</span> <span class="n">unpivot</span> <span class="k">else</span> <span class="n">table</span> +</span><span id="Redshift.Parser-93"><a href="#Redshift.Parser-93"><span class="linenos"> 93</span></a> +</span><span id="Redshift.Parser-94"><a href="#Redshift.Parser-94"><span class="linenos"> 94</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span> +</span><span id="Redshift.Parser-95"><a href="#Redshift.Parser-95"><span class="linenos"> 95</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> </span><span id="Redshift.Parser-96"><a href="#Redshift.Parser-96"><span class="linenos"> 96</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="Redshift.Parser-97"><a href="#Redshift.Parser-97"><span class="linenos"> 97</span></a> <span class="c1"># Redshift supports UNPIVOTing SUPER objects, e.g. `UNPIVOT foo.obj[0] AS val AT attr`</span> -</span><span id="Redshift.Parser-98"><a href="#Redshift.Parser-98"><span class="linenos"> 98</span></a> <span class="n">unpivot</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">UNPIVOT</span><span class="p">)</span> -</span><span id="Redshift.Parser-99"><a href="#Redshift.Parser-99"><span class="linenos"> 99</span></a> <span class="n">table</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span> -</span><span id="Redshift.Parser-100"><a href="#Redshift.Parser-100"><span class="linenos">100</span></a> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> -</span><span id="Redshift.Parser-101"><a href="#Redshift.Parser-101"><span class="linenos">101</span></a> <span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">,</span> -</span><span id="Redshift.Parser-102"><a href="#Redshift.Parser-102"><span class="linenos">102</span></a> <span class="n">alias_tokens</span><span class="o">=</span><span class="n">alias_tokens</span><span class="p">,</span> -</span><span id="Redshift.Parser-103"><a href="#Redshift.Parser-103"><span class="linenos">103</span></a> <span class="n">parse_bracket</span><span class="o">=</span><span class="n">parse_bracket</span><span class="p">,</span> -</span><span id="Redshift.Parser-104"><a href="#Redshift.Parser-104"><span class="linenos">104</span></a> <span class="n">is_db_reference</span><span class="o">=</span><span class="n">is_db_reference</span><span class="p">,</span> -</span><span id="Redshift.Parser-105"><a href="#Redshift.Parser-105"><span class="linenos">105</span></a> <span class="p">)</span> -</span><span id="Redshift.Parser-106"><a href="#Redshift.Parser-106"><span class="linenos">106</span></a> -</span><span id="Redshift.Parser-107"><a href="#Redshift.Parser-107"><span class="linenos">107</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">table</span><span class="p">,</span> <span class="n">unpivot</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">if</span> <span class="n">unpivot</span> <span class="k">else</span> <span class="n">table</span> +</span><span id="Redshift.Parser-97"><a href="#Redshift.Parser-97"><span class="linenos"> 97</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span> +</span><span id="Redshift.Parser-98"><a href="#Redshift.Parser-98"><span class="linenos"> 98</span></a> <span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="o">=</span><span class="n">allow_identifiers</span> +</span><span id="Redshift.Parser-99"><a href="#Redshift.Parser-99"><span class="linenos"> 99</span></a> <span class="p">)</span> +</span><span id="Redshift.Parser-100"><a href="#Redshift.Parser-100"><span class="linenos">100</span></a> +</span><span id="Redshift.Parser-101"><a href="#Redshift.Parser-101"><span class="linenos">101</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="Redshift.Parser-102"><a href="#Redshift.Parser-102"><span class="linenos">102</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> +</span><span id="Redshift.Parser-103"><a href="#Redshift.Parser-103"><span class="linenos">103</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"varchar"</span><span class="p">)</span> +</span><span id="Redshift.Parser-104"><a href="#Redshift.Parser-104"><span class="linenos">104</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="Redshift.Parser-105"><a href="#Redshift.Parser-105"><span class="linenos">105</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="Redshift.Parser-106"><a href="#Redshift.Parser-106"><span class="linenos">106</span></a> <span class="p">):</span> +</span><span id="Redshift.Parser-107"><a href="#Redshift.Parser-107"><span class="linenos">107</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)])</span> </span><span id="Redshift.Parser-108"><a href="#Redshift.Parser-108"><span class="linenos">108</span></a> -</span><span id="Redshift.Parser-109"><a href="#Redshift.Parser-109"><span class="linenos">109</span></a> <span class="k">def</span> <span class="nf">_parse_types</span><span class="p">(</span> -</span><span id="Redshift.Parser-110"><a href="#Redshift.Parser-110"><span class="linenos">110</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">check_func</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="Redshift.Parser-111"><a href="#Redshift.Parser-111"><span class="linenos">111</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="Redshift.Parser-112"><a href="#Redshift.Parser-112"><span class="linenos">112</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">(</span> -</span><span id="Redshift.Parser-113"><a href="#Redshift.Parser-113"><span class="linenos">113</span></a> <span class="n">check_func</span><span class="o">=</span><span class="n">check_func</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span> <span class="n">allow_identifiers</span><span class="o">=</span><span class="n">allow_identifiers</span> -</span><span id="Redshift.Parser-114"><a href="#Redshift.Parser-114"><span class="linenos">114</span></a> <span class="p">)</span> -</span><span id="Redshift.Parser-115"><a href="#Redshift.Parser-115"><span class="linenos">115</span></a> -</span><span id="Redshift.Parser-116"><a href="#Redshift.Parser-116"><span class="linenos">116</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="Redshift.Parser-117"><a href="#Redshift.Parser-117"><span class="linenos">117</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> -</span><span id="Redshift.Parser-118"><a href="#Redshift.Parser-118"><span class="linenos">118</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"varchar"</span><span class="p">)</span> -</span><span id="Redshift.Parser-119"><a href="#Redshift.Parser-119"><span class="linenos">119</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="Redshift.Parser-120"><a href="#Redshift.Parser-120"><span class="linenos">120</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> -</span><span id="Redshift.Parser-121"><a href="#Redshift.Parser-121"><span class="linenos">121</span></a> <span class="p">):</span> -</span><span id="Redshift.Parser-122"><a href="#Redshift.Parser-122"><span class="linenos">122</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)])</span> -</span><span id="Redshift.Parser-123"><a href="#Redshift.Parser-123"><span class="linenos">123</span></a> -</span><span id="Redshift.Parser-124"><a href="#Redshift.Parser-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="n">this</span> -</span><span id="Redshift.Parser-125"><a href="#Redshift.Parser-125"><span class="linenos">125</span></a> -</span><span id="Redshift.Parser-126"><a href="#Redshift.Parser-126"><span class="linenos">126</span></a> <span class="k">def</span> <span class="nf">_parse_convert</span><span class="p">(</span> -</span><span id="Redshift.Parser-127"><a href="#Redshift.Parser-127"><span class="linenos">127</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">safe</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="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Redshift.Parser-128"><a href="#Redshift.Parser-128"><span class="linenos">128</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="Redshift.Parser-129"><a href="#Redshift.Parser-129"><span class="linenos">129</span></a> <span class="n">to</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">()</span> -</span><span id="Redshift.Parser-130"><a href="#Redshift.Parser-130"><span class="linenos">130</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">COMMA</span><span class="p">)</span> -</span><span id="Redshift.Parser-131"><a href="#Redshift.Parser-131"><span class="linenos">131</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_bitwise</span><span class="p">()</span> -</span><span id="Redshift.Parser-132"><a href="#Redshift.Parser-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TryCast</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">to</span><span class="o">=</span><span class="n">to</span><span class="p">,</span> <span class="n">safe</span><span class="o">=</span><span class="n">safe</span><span class="p">)</span> -</span><span id="Redshift.Parser-133"><a href="#Redshift.Parser-133"><span class="linenos">133</span></a> -</span><span id="Redshift.Parser-134"><a href="#Redshift.Parser-134"><span class="linenos">134</span></a> <span class="k">def</span> <span class="nf">_parse_approximate_count</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">]:</span> -</span><span id="Redshift.Parser-135"><a href="#Redshift.Parser-135"><span class="linenos">135</span></a> <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_index</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="Redshift.Parser-136"><a href="#Redshift.Parser-136"><span class="linenos">136</span></a> <span class="n">func</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_function</span><span class="p">()</span> -</span><span id="Redshift.Parser-137"><a href="#Redshift.Parser-137"><span class="linenos">137</span></a> -</span><span id="Redshift.Parser-138"><a href="#Redshift.Parser-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</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">Distinct</span><span class="p">):</span> -</span><span id="Redshift.Parser-139"><a href="#Redshift.Parser-139"><span class="linenos">139</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">func</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> -</span><span id="Redshift.Parser-140"><a href="#Redshift.Parser-140"><span class="linenos">140</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_retreat</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> -</span><span id="Redshift.Parser-141"><a href="#Redshift.Parser-141"><span class="linenos">141</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="Redshift.Parser-142"><a href="#Redshift.Parser-142"><span class="linenos">142</span></a> -</span><span id="Redshift.Parser-143"><a href="#Redshift.Parser-143"><span class="linenos">143</span></a> <span class="k">def</span> <span class="nf">_parse_query_modifiers</span><span class="p">(</span> -</span><span id="Redshift.Parser-144"><a href="#Redshift.Parser-144"><span class="linenos">144</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">this</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="Redshift.Parser-145"><a href="#Redshift.Parser-145"><span class="linenos">145</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="Redshift.Parser-146"><a href="#Redshift.Parser-146"><span class="linenos">146</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_query_modifiers</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> -</span><span id="Redshift.Parser-147"><a href="#Redshift.Parser-147"><span class="linenos">147</span></a> -</span><span id="Redshift.Parser-148"><a href="#Redshift.Parser-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">this</span><span class="p">:</span> -</span><span id="Redshift.Parser-149"><a href="#Redshift.Parser-149"><span class="linenos">149</span></a> <span class="n">refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="Redshift.Parser-150"><a href="#Redshift.Parser-150"><span class="linenos">150</span></a> -</span><span id="Redshift.Parser-151"><a href="#Redshift.Parser-151"><span class="linenos">151</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])):</span> -</span><span id="Redshift.Parser-152"><a href="#Redshift.Parser-152"><span class="linenos">152</span></a> <span class="n">refs</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> -</span><span id="Redshift.Parser-153"><a href="#Redshift.Parser-153"><span class="linenos">153</span></a> <span class="p">(</span> -</span><span id="Redshift.Parser-154"><a href="#Redshift.Parser-154"><span class="linenos">154</span></a> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">][</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> -</span><span id="Redshift.Parser-155"><a href="#Redshift.Parser-155"><span class="linenos">155</span></a> <span class="p">)</span><span class="o">.</span><span class="n">alias_or_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> -</span><span id="Redshift.Parser-156"><a href="#Redshift.Parser-156"><span class="linenos">156</span></a> <span class="p">)</span> -</span><span id="Redshift.Parser-157"><a href="#Redshift.Parser-157"><span class="linenos">157</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">this</span> -</span><span id="Redshift.Parser-158"><a href="#Redshift.Parser-158"><span class="linenos">158</span></a> -</span><span id="Redshift.Parser-159"><a href="#Redshift.Parser-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="Redshift.Parser-160"><a href="#Redshift.Parser-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">refs</span><span class="p">:</span> -</span><span id="Redshift.Parser-161"><a href="#Redshift.Parser-161"><span class="linenos">161</span></a> <span class="n">table</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">to_column</span><span class="p">())</span> -</span><span id="Redshift.Parser-162"><a href="#Redshift.Parser-162"><span class="linenos">162</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="Redshift.Parser-109"><a href="#Redshift.Parser-109"><span class="linenos">109</span></a> <span class="k">return</span> <span class="n">this</span> +</span><span id="Redshift.Parser-110"><a href="#Redshift.Parser-110"><span class="linenos">110</span></a> +</span><span id="Redshift.Parser-111"><a href="#Redshift.Parser-111"><span class="linenos">111</span></a> <span class="k">def</span> <span class="nf">_parse_convert</span><span class="p">(</span> +</span><span id="Redshift.Parser-112"><a href="#Redshift.Parser-112"><span class="linenos">112</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">strict</span><span class="p">:</span> <span class="nb">bool</span><span class="p">,</span> <span class="n">safe</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="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Redshift.Parser-113"><a href="#Redshift.Parser-113"><span class="linenos">113</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="Redshift.Parser-114"><a href="#Redshift.Parser-114"><span class="linenos">114</span></a> <span class="n">to</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_types</span><span class="p">()</span> +</span><span id="Redshift.Parser-115"><a href="#Redshift.Parser-115"><span class="linenos">115</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">COMMA</span><span class="p">)</span> +</span><span id="Redshift.Parser-116"><a href="#Redshift.Parser-116"><span class="linenos">116</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_bitwise</span><span class="p">()</span> +</span><span id="Redshift.Parser-117"><a href="#Redshift.Parser-117"><span class="linenos">117</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">TryCast</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">to</span><span class="o">=</span><span class="n">to</span><span class="p">,</span> <span class="n">safe</span><span class="o">=</span><span class="n">safe</span><span class="p">)</span> +</span><span id="Redshift.Parser-118"><a href="#Redshift.Parser-118"><span class="linenos">118</span></a> +</span><span id="Redshift.Parser-119"><a href="#Redshift.Parser-119"><span class="linenos">119</span></a> <span class="k">def</span> <span class="nf">_parse_approximate_count</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">]:</span> +</span><span id="Redshift.Parser-120"><a href="#Redshift.Parser-120"><span class="linenos">120</span></a> <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_index</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="Redshift.Parser-121"><a href="#Redshift.Parser-121"><span class="linenos">121</span></a> <span class="n">func</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_function</span><span class="p">()</span> +</span><span id="Redshift.Parser-122"><a href="#Redshift.Parser-122"><span class="linenos">122</span></a> +</span><span id="Redshift.Parser-123"><a href="#Redshift.Parser-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Count</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">func</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">Distinct</span><span class="p">):</span> +</span><span id="Redshift.Parser-124"><a href="#Redshift.Parser-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">func</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> +</span><span id="Redshift.Parser-125"><a href="#Redshift.Parser-125"><span class="linenos">125</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_retreat</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> +</span><span id="Redshift.Parser-126"><a href="#Redshift.Parser-126"><span class="linenos">126</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="Redshift.Parser-127"><a href="#Redshift.Parser-127"><span class="linenos">127</span></a> +</span><span id="Redshift.Parser-128"><a href="#Redshift.Parser-128"><span class="linenos">128</span></a> <span class="k">def</span> <span class="nf">_parse_query_modifiers</span><span class="p">(</span> +</span><span id="Redshift.Parser-129"><a href="#Redshift.Parser-129"><span class="linenos">129</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">this</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="Redshift.Parser-130"><a href="#Redshift.Parser-130"><span class="linenos">130</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="Redshift.Parser-131"><a href="#Redshift.Parser-131"><span class="linenos">131</span></a> <span class="n">this</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_query_modifiers</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> +</span><span id="Redshift.Parser-132"><a href="#Redshift.Parser-132"><span class="linenos">132</span></a> +</span><span id="Redshift.Parser-133"><a href="#Redshift.Parser-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="n">this</span><span class="p">:</span> +</span><span id="Redshift.Parser-134"><a href="#Redshift.Parser-134"><span class="linenos">134</span></a> <span class="n">refs</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="Redshift.Parser-135"><a href="#Redshift.Parser-135"><span class="linenos">135</span></a> +</span><span id="Redshift.Parser-136"><a href="#Redshift.Parser-136"><span class="linenos">136</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">join</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"joins"</span><span class="p">,</span> <span class="p">[])):</span> +</span><span id="Redshift.Parser-137"><a href="#Redshift.Parser-137"><span class="linenos">137</span></a> <span class="n">refs</span><span class="o">.</span><span class="n">add</span><span class="p">(</span> +</span><span id="Redshift.Parser-138"><a href="#Redshift.Parser-138"><span class="linenos">138</span></a> <span class="p">(</span> +</span><span id="Redshift.Parser-139"><a href="#Redshift.Parser-139"><span class="linenos">139</span></a> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="k">else</span> <span class="n">this</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"joins"</span><span class="p">][</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> +</span><span id="Redshift.Parser-140"><a href="#Redshift.Parser-140"><span class="linenos">140</span></a> <span class="p">)</span><span class="o">.</span><span class="n">alias_or_name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> +</span><span id="Redshift.Parser-141"><a href="#Redshift.Parser-141"><span class="linenos">141</span></a> <span class="p">)</span> +</span><span id="Redshift.Parser-142"><a href="#Redshift.Parser-142"><span class="linenos">142</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">this</span> +</span><span id="Redshift.Parser-143"><a href="#Redshift.Parser-143"><span class="linenos">143</span></a> +</span><span id="Redshift.Parser-144"><a href="#Redshift.Parser-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="Redshift.Parser-145"><a href="#Redshift.Parser-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="n">table</span><span class="o">.</span><span class="n">parts</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="ow">in</span> <span class="n">refs</span><span class="p">:</span> +</span><span id="Redshift.Parser-146"><a href="#Redshift.Parser-146"><span class="linenos">146</span></a> <span class="n">table</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">table</span><span class="o">.</span><span class="n">to_column</span><span class="p">())</span> +</span><span id="Redshift.Parser-147"><a href="#Redshift.Parser-147"><span class="linenos">147</span></a> <span class="k">return</span> <span class="n">this</span> </span></pre></div> @@ -1387,23 +1364,23 @@ Default: 3</li> </div> <a class="headerlink" href="#Redshift.Tokenizer"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Tokenizer-164"><a href="#Redshift.Tokenizer-164"><span class="linenos">164</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> -</span><span id="Redshift.Tokenizer-165"><a href="#Redshift.Tokenizer-165"><span class="linenos">165</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift.Tokenizer-166"><a href="#Redshift.Tokenizer-166"><span class="linenos">166</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift.Tokenizer-167"><a href="#Redshift.Tokenizer-167"><span class="linenos">167</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span> -</span><span id="Redshift.Tokenizer-168"><a href="#Redshift.Tokenizer-168"><span class="linenos">168</span></a> -</span><span id="Redshift.Tokenizer-169"><a href="#Redshift.Tokenizer-169"><span class="linenos">169</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Tokenizer-170"><a href="#Redshift.Tokenizer-170"><span class="linenos">170</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-171"><a href="#Redshift.Tokenizer-171"><span class="linenos">171</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-172"><a href="#Redshift.Tokenizer-172"><span class="linenos">172</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-173"><a href="#Redshift.Tokenizer-173"><span class="linenos">173</span></a> <span class="s2">"TOP"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TOP</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-174"><a href="#Redshift.Tokenizer-174"><span class="linenos">174</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-175"><a href="#Redshift.Tokenizer-175"><span class="linenos">175</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-176"><a href="#Redshift.Tokenizer-176"><span class="linenos">176</span></a> <span class="p">}</span> -</span><span id="Redshift.Tokenizer-177"><a href="#Redshift.Tokenizer-177"><span class="linenos">177</span></a> -</span><span id="Redshift.Tokenizer-178"><a href="#Redshift.Tokenizer-178"><span class="linenos">178</span></a> <span class="c1"># Redshift allows # to appear as a table identifier prefix</span> -</span><span id="Redshift.Tokenizer-179"><a href="#Redshift.Tokenizer-179"><span class="linenos">179</span></a> <span class="n">SINGLE_TOKENS</span> <span class="o">=</span> <span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift.Tokenizer-180"><a href="#Redshift.Tokenizer-180"><span class="linenos">180</span></a> <span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"#"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Tokenizer-149"><a href="#Redshift.Tokenizer-149"><span class="linenos">149</span></a> <span class="k">class</span> <span class="nc">Tokenizer</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="p">):</span> +</span><span id="Redshift.Tokenizer-150"><a href="#Redshift.Tokenizer-150"><span class="linenos">150</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Tokenizer-151"><a href="#Redshift.Tokenizer-151"><span class="linenos">151</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Tokenizer-152"><a href="#Redshift.Tokenizer-152"><span class="linenos">152</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">,</span> <span class="s2">"'"</span><span class="p">]</span> +</span><span id="Redshift.Tokenizer-153"><a href="#Redshift.Tokenizer-153"><span class="linenos">153</span></a> +</span><span id="Redshift.Tokenizer-154"><a href="#Redshift.Tokenizer-154"><span class="linenos">154</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Tokenizer-155"><a href="#Redshift.Tokenizer-155"><span class="linenos">155</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-156"><a href="#Redshift.Tokenizer-156"><span class="linenos">156</span></a> <span class="s2">"HLLSKETCH"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">HLLSKETCH</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-157"><a href="#Redshift.Tokenizer-157"><span class="linenos">157</span></a> <span class="s2">"SUPER"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">SUPER</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-158"><a href="#Redshift.Tokenizer-158"><span class="linenos">158</span></a> <span class="s2">"TOP"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">TOP</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-159"><a href="#Redshift.Tokenizer-159"><span class="linenos">159</span></a> <span class="s2">"UNLOAD"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">COMMAND</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-160"><a href="#Redshift.Tokenizer-160"><span class="linenos">160</span></a> <span class="s2">"VARBYTE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-161"><a href="#Redshift.Tokenizer-161"><span class="linenos">161</span></a> <span class="p">}</span> +</span><span id="Redshift.Tokenizer-162"><a href="#Redshift.Tokenizer-162"><span class="linenos">162</span></a> +</span><span id="Redshift.Tokenizer-163"><a href="#Redshift.Tokenizer-163"><span class="linenos">163</span></a> <span class="c1"># Redshift allows # to appear as a table identifier prefix</span> +</span><span id="Redshift.Tokenizer-164"><a href="#Redshift.Tokenizer-164"><span class="linenos">164</span></a> <span class="n">SINGLE_TOKENS</span> <span class="o">=</span> <span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Tokenizer-165"><a href="#Redshift.Tokenizer-165"><span class="linenos">165</span></a> <span class="n">SINGLE_TOKENS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"#"</span><span class="p">)</span> </span></pre></div> @@ -1499,6 +1476,8 @@ Default: 3</li> <div><dt><a href="postgres.html#Postgres.Tokenizer">sqlglot.dialects.postgres.Postgres.Tokenizer</a></dt> <dd id="Redshift.Tokenizer.BYTE_STRINGS" class="variable"><a href="postgres.html#Postgres.Tokenizer.BYTE_STRINGS">BYTE_STRINGS</a></dd> <dd id="Redshift.Tokenizer.HEREDOC_STRINGS" class="variable"><a href="postgres.html#Postgres.Tokenizer.HEREDOC_STRINGS">HEREDOC_STRINGS</a></dd> + <dd id="Redshift.Tokenizer.HEREDOC_TAG_IS_IDENTIFIER" class="variable"><a href="postgres.html#Postgres.Tokenizer.HEREDOC_TAG_IS_IDENTIFIER">HEREDOC_TAG_IS_IDENTIFIER</a></dd> + <dd id="Redshift.Tokenizer.HEREDOC_STRING_ALTERNATIVE" class="variable"><a href="postgres.html#Postgres.Tokenizer.HEREDOC_STRING_ALTERNATIVE">HEREDOC_STRING_ALTERNATIVE</a></dd> <dd id="Redshift.Tokenizer.VAR_SINGLE_TOKENS" class="variable"><a href="postgres.html#Postgres.Tokenizer.VAR_SINGLE_TOKENS">VAR_SINGLE_TOKENS</a></dd> </div> @@ -1516,92 +1495,91 @@ Default: 3</li> </div> <a class="headerlink" href="#Redshift.Generator"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator-182"><a href="#Redshift.Generator-182"><span class="linenos">182</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> -</span><span id="Redshift.Generator-183"><a href="#Redshift.Generator-183"><span class="linenos">183</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift.Generator-184"><a href="#Redshift.Generator-184"><span class="linenos">184</span></a> <span class="n">QUERY_HINTS</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift.Generator-185"><a href="#Redshift.Generator-185"><span class="linenos">185</span></a> <span class="n">VALUES_AS_TABLE</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift.Generator-186"><a href="#Redshift.Generator-186"><span class="linenos">186</span></a> <span class="n">TZ_TO_WITH_TIME_ZONE</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="Redshift.Generator-187"><a href="#Redshift.Generator-187"><span class="linenos">187</span></a> <span class="n">NVL2_SUPPORTED</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="Redshift.Generator-188"><a href="#Redshift.Generator-188"><span class="linenos">188</span></a> <span class="n">LAST_DAY_SUPPORTS_DATE_PART</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift.Generator-189"><a href="#Redshift.Generator-189"><span class="linenos">189</span></a> -</span><span id="Redshift.Generator-190"><a href="#Redshift.Generator-190"><span class="linenos">190</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Generator-191"><a href="#Redshift.Generator-191"><span class="linenos">191</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> -</span><span id="Redshift.Generator-192"><a href="#Redshift.Generator-192"><span class="linenos">192</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> -</span><span id="Redshift.Generator-193"><a href="#Redshift.Generator-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> -</span><span id="Redshift.Generator-194"><a href="#Redshift.Generator-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMETZ</span><span class="p">:</span> <span class="s2">"TIME"</span><span class="p">,</span> -</span><span id="Redshift.Generator-195"><a href="#Redshift.Generator-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">:</span> <span class="s2">"TIMESTAMP"</span><span class="p">,</span> -</span><span id="Redshift.Generator-196"><a href="#Redshift.Generator-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> -</span><span id="Redshift.Generator-197"><a href="#Redshift.Generator-197"><span class="linenos">197</span></a> <span class="p">}</span> -</span><span id="Redshift.Generator-198"><a href="#Redshift.Generator-198"><span class="linenos">198</span></a> -</span><span id="Redshift.Generator-199"><a href="#Redshift.Generator-199"><span class="linenos">199</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Generator-200"><a href="#Redshift.Generator-200"><span class="linenos">200</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> -</span><span id="Redshift.Generator-201"><a href="#Redshift.Generator-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">:</span> <span class="n">concat_to_dpipe_sql</span><span class="p">,</span> -</span><span id="Redshift.Generator-202"><a href="#Redshift.Generator-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">:</span> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> -</span><span id="Redshift.Generator-203"><a href="#Redshift.Generator-203"><span class="linenos">203</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> -</span><span id="Redshift.Generator-204"><a href="#Redshift.Generator-204"><span class="linenos">204</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"APPROXIMATE COUNT(DISTINCT </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Redshift.Generator-205"><a href="#Redshift.Generator-205"><span class="linenos">205</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="p">(</span> -</span><span id="Redshift.Generator-206"><a href="#Redshift.Generator-206"><span class="linenos">206</span></a> <span class="s2">"SYSDATE"</span> <span class="k">if</span> <span class="n">e</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">"transaction"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"GETDATE()"</span> -</span><span id="Redshift.Generator-207"><a href="#Redshift.Generator-207"><span class="linenos">207</span></a> <span class="p">),</span> -</span><span id="Redshift.Generator-208"><a href="#Redshift.Generator-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> -</span><span id="Redshift.Generator-209"><a href="#Redshift.Generator-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> -</span><span id="Redshift.Generator-210"><a href="#Redshift.Generator-210"><span class="linenos">210</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Redshift.Generator-211"><a href="#Redshift.Generator-211"><span class="linenos">211</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> -</span><span id="Redshift.Generator-212"><a href="#Redshift.Generator-212"><span class="linenos">212</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"STRTOL"</span><span class="p">),</span> -</span><span id="Redshift.Generator-213"><a href="#Redshift.Generator-213"><span class="linenos">213</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span><span class="p">:</span> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> -</span><span id="Redshift.Generator-214"><a href="#Redshift.Generator-214"><span class="linenos">214</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span><span class="p">:</span> <span class="n">_json_extract_sql</span><span class="p">,</span> -</span><span id="Redshift.Generator-215"><a href="#Redshift.Generator-215"><span class="linenos">215</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span><span class="p">:</span> <span class="n">_json_extract_sql</span><span class="p">,</span> -</span><span id="Redshift.Generator-216"><a href="#Redshift.Generator-216"><span class="linenos">216</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"LISTAGG"</span><span class="p">),</span> -</span><span id="Redshift.Generator-217"><a href="#Redshift.Generator-217"><span class="linenos">217</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"JSON_PARSE"</span><span class="p">),</span> -</span><span id="Redshift.Generator-218"><a href="#Redshift.Generator-218"><span class="linenos">218</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">:</span> <span class="n">transforms</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span> -</span><span id="Redshift.Generator-219"><a href="#Redshift.Generator-219"><span class="linenos">219</span></a> <span class="p">[</span><span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_distinct_on</span><span class="p">,</span> <span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_semi_and_anti_joins</span><span class="p">]</span> -</span><span id="Redshift.Generator-220"><a href="#Redshift.Generator-220"><span class="linenos">220</span></a> <span class="p">),</span> -</span><span id="Redshift.Generator-221"><a href="#Redshift.Generator-221"><span class="linenos">221</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> -</span><span id="Redshift.Generator-222"><a href="#Redshift.Generator-222"><span class="linenos">222</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> -</span><span id="Redshift.Generator-223"><a href="#Redshift.Generator-223"><span class="linenos">223</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">:</span> <span class="n">no_tablesample_sql</span><span class="p">,</span> -</span><span id="Redshift.Generator-224"><a href="#Redshift.Generator-224"><span class="linenos">224</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> -</span><span id="Redshift.Generator-225"><a href="#Redshift.Generator-225"><span class="linenos">225</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> -</span><span id="Redshift.Generator-226"><a href="#Redshift.Generator-226"><span class="linenos">226</span></a> <span class="p">}</span> -</span><span id="Redshift.Generator-227"><a href="#Redshift.Generator-227"><span class="linenos">227</span></a> -</span><span id="Redshift.Generator-228"><a href="#Redshift.Generator-228"><span class="linenos">228</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> -</span><span id="Redshift.Generator-229"><a href="#Redshift.Generator-229"><span class="linenos">229</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> -</span><span id="Redshift.Generator-230"><a href="#Redshift.Generator-230"><span class="linenos">230</span></a> -</span><span id="Redshift.Generator-231"><a href="#Redshift.Generator-231"><span class="linenos">231</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> -</span><span id="Redshift.Generator-232"><a href="#Redshift.Generator-232"><span class="linenos">232</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">)</span> -</span><span id="Redshift.Generator-233"><a href="#Redshift.Generator-233"><span class="linenos">233</span></a> -</span><span id="Redshift.Generator-234"><a href="#Redshift.Generator-234"><span class="linenos">234</span></a> <span class="c1"># Redshift supports ANY_VALUE(..)</span> -</span><span id="Redshift.Generator-235"><a href="#Redshift.Generator-235"><span class="linenos">235</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator-167"><a href="#Redshift.Generator-167"><span class="linenos">167</span></a> <span class="k">class</span> <span class="nc">Generator</span><span class="p">(</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="p">):</span> +</span><span id="Redshift.Generator-168"><a href="#Redshift.Generator-168"><span class="linenos">168</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift.Generator-169"><a href="#Redshift.Generator-169"><span class="linenos">169</span></a> <span class="n">QUERY_HINTS</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift.Generator-170"><a href="#Redshift.Generator-170"><span class="linenos">170</span></a> <span class="n">VALUES_AS_TABLE</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift.Generator-171"><a href="#Redshift.Generator-171"><span class="linenos">171</span></a> <span class="n">TZ_TO_WITH_TIME_ZONE</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="Redshift.Generator-172"><a href="#Redshift.Generator-172"><span class="linenos">172</span></a> <span class="n">NVL2_SUPPORTED</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="Redshift.Generator-173"><a href="#Redshift.Generator-173"><span class="linenos">173</span></a> <span class="n">LAST_DAY_SUPPORTS_DATE_PART</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Redshift.Generator-174"><a href="#Redshift.Generator-174"><span class="linenos">174</span></a> +</span><span id="Redshift.Generator-175"><a href="#Redshift.Generator-175"><span class="linenos">175</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Generator-176"><a href="#Redshift.Generator-176"><span class="linenos">176</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> +</span><span id="Redshift.Generator-177"><a href="#Redshift.Generator-177"><span class="linenos">177</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">BINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift.Generator-178"><a href="#Redshift.Generator-178"><span class="linenos">178</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INT</span><span class="p">:</span> <span class="s2">"INTEGER"</span><span class="p">,</span> +</span><span id="Redshift.Generator-179"><a href="#Redshift.Generator-179"><span class="linenos">179</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMETZ</span><span class="p">:</span> <span class="s2">"TIME"</span><span class="p">,</span> +</span><span id="Redshift.Generator-180"><a href="#Redshift.Generator-180"><span class="linenos">180</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TIMESTAMPTZ</span><span class="p">:</span> <span class="s2">"TIMESTAMP"</span><span class="p">,</span> +</span><span id="Redshift.Generator-181"><a href="#Redshift.Generator-181"><span class="linenos">181</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARBINARY</span><span class="p">:</span> <span class="s2">"VARBYTE"</span><span class="p">,</span> +</span><span id="Redshift.Generator-182"><a href="#Redshift.Generator-182"><span class="linenos">182</span></a> <span class="p">}</span> +</span><span id="Redshift.Generator-183"><a href="#Redshift.Generator-183"><span class="linenos">183</span></a> +</span><span id="Redshift.Generator-184"><a href="#Redshift.Generator-184"><span class="linenos">184</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Generator-185"><a href="#Redshift.Generator-185"><span class="linenos">185</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> +</span><span id="Redshift.Generator-186"><a href="#Redshift.Generator-186"><span class="linenos">186</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span><span class="p">:</span> <span class="n">concat_to_dpipe_sql</span><span class="p">,</span> +</span><span id="Redshift.Generator-187"><a href="#Redshift.Generator-187"><span class="linenos">187</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ConcatWs</span><span class="p">:</span> <span class="n">concat_ws_to_dpipe_sql</span><span class="p">,</span> +</span><span id="Redshift.Generator-188"><a href="#Redshift.Generator-188"><span class="linenos">188</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> +</span><span id="Redshift.Generator-189"><a href="#Redshift.Generator-189"><span class="linenos">189</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"APPROXIMATE COUNT(DISTINCT </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">e</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift.Generator-190"><a href="#Redshift.Generator-190"><span class="linenos">190</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentTimestamp</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="p">(</span> +</span><span id="Redshift.Generator-191"><a href="#Redshift.Generator-191"><span class="linenos">191</span></a> <span class="s2">"SYSDATE"</span> <span class="k">if</span> <span class="n">e</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">"transaction"</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"GETDATE()"</span> +</span><span id="Redshift.Generator-192"><a href="#Redshift.Generator-192"><span class="linenos">192</span></a> <span class="p">),</span> +</span><span id="Redshift.Generator-193"><a href="#Redshift.Generator-193"><span class="linenos">193</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> +</span><span id="Redshift.Generator-194"><a href="#Redshift.Generator-194"><span class="linenos">194</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> +</span><span id="Redshift.Generator-195"><a href="#Redshift.Generator-195"><span class="linenos">195</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"DISTKEY(</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift.Generator-196"><a href="#Redshift.Generator-196"><span class="linenos">196</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DistStyleProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">naked_property</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> +</span><span id="Redshift.Generator-197"><a href="#Redshift.Generator-197"><span class="linenos">197</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">FromBase</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"STRTOL"</span><span class="p">),</span> +</span><span id="Redshift.Generator-198"><a href="#Redshift.Generator-198"><span class="linenos">198</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GeneratedAsIdentityColumnConstraint</span><span class="p">:</span> <span class="n">generatedasidentitycolumnconstraint_sql</span><span class="p">,</span> +</span><span id="Redshift.Generator-199"><a href="#Redshift.Generator-199"><span class="linenos">199</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span><span class="p">:</span> <span class="n">json_extract_segments</span><span class="p">(</span><span class="s2">"JSON_EXTRACT_PATH_TEXT"</span><span class="p">),</span> +</span><span id="Redshift.Generator-200"><a href="#Redshift.Generator-200"><span class="linenos">200</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GroupConcat</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"LISTAGG"</span><span class="p">),</span> +</span><span id="Redshift.Generator-201"><a href="#Redshift.Generator-201"><span class="linenos">201</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">ParseJSON</span><span class="p">:</span> <span class="n">rename_func</span><span class="p">(</span><span class="s2">"JSON_PARSE"</span><span class="p">),</span> +</span><span id="Redshift.Generator-202"><a href="#Redshift.Generator-202"><span class="linenos">202</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">:</span> <span class="n">transforms</span><span class="o">.</span><span class="n">preprocess</span><span class="p">(</span> +</span><span id="Redshift.Generator-203"><a href="#Redshift.Generator-203"><span class="linenos">203</span></a> <span class="p">[</span><span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_distinct_on</span><span class="p">,</span> <span class="n">transforms</span><span class="o">.</span><span class="n">eliminate_semi_and_anti_joins</span><span class="p">]</span> +</span><span id="Redshift.Generator-204"><a href="#Redshift.Generator-204"><span class="linenos">204</span></a> <span class="p">),</span> +</span><span id="Redshift.Generator-205"><a href="#Redshift.Generator-205"><span class="linenos">205</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> +</span><span id="Redshift.Generator-206"><a href="#Redshift.Generator-206"><span class="linenos">206</span></a> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> +</span><span id="Redshift.Generator-207"><a href="#Redshift.Generator-207"><span class="linenos">207</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">:</span> <span class="n">no_tablesample_sql</span><span class="p">,</span> +</span><span id="Redshift.Generator-208"><a href="#Redshift.Generator-208"><span class="linenos">208</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsAdd</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEADD"</span><span class="p">),</span> +</span><span id="Redshift.Generator-209"><a href="#Redshift.Generator-209"><span class="linenos">209</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsDiff</span><span class="p">:</span> <span class="n">date_delta_sql</span><span class="p">(</span><span class="s2">"DATEDIFF"</span><span class="p">),</span> +</span><span id="Redshift.Generator-210"><a href="#Redshift.Generator-210"><span class="linenos">210</span></a> <span class="p">}</span> +</span><span id="Redshift.Generator-211"><a href="#Redshift.Generator-211"><span class="linenos">211</span></a> +</span><span id="Redshift.Generator-212"><a href="#Redshift.Generator-212"><span class="linenos">212</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> +</span><span id="Redshift.Generator-213"><a href="#Redshift.Generator-213"><span class="linenos">213</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> +</span><span id="Redshift.Generator-214"><a href="#Redshift.Generator-214"><span class="linenos">214</span></a> +</span><span id="Redshift.Generator-215"><a href="#Redshift.Generator-215"><span class="linenos">215</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> +</span><span id="Redshift.Generator-216"><a href="#Redshift.Generator-216"><span class="linenos">216</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pow</span><span class="p">)</span> +</span><span id="Redshift.Generator-217"><a href="#Redshift.Generator-217"><span class="linenos">217</span></a> +</span><span id="Redshift.Generator-218"><a href="#Redshift.Generator-218"><span class="linenos">218</span></a> <span class="c1"># Redshift supports ANY_VALUE(..)</span> +</span><span id="Redshift.Generator-219"><a href="#Redshift.Generator-219"><span class="linenos">219</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AnyValue</span><span class="p">)</span> +</span><span id="Redshift.Generator-220"><a href="#Redshift.Generator-220"><span class="linenos">220</span></a> +</span><span id="Redshift.Generator-221"><a href="#Redshift.Generator-221"><span class="linenos">221</span></a> <span class="c1"># Redshift supports LAST_DAY(..)</span> +</span><span id="Redshift.Generator-222"><a href="#Redshift.Generator-222"><span class="linenos">222</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> +</span><span id="Redshift.Generator-223"><a href="#Redshift.Generator-223"><span class="linenos">223</span></a> +</span><span id="Redshift.Generator-224"><a href="#Redshift.Generator-224"><span class="linenos">224</span></a> <span class="n">RESERVED_KEYWORDS</span> <span class="o">=</span> <span class="p">{</span><span class="o">*</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">RESERVED_KEYWORDS</span><span class="p">,</span> <span class="s2">"snapshot"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">}</span> +</span><span id="Redshift.Generator-225"><a href="#Redshift.Generator-225"><span class="linenos">225</span></a> +</span><span id="Redshift.Generator-226"><a href="#Redshift.Generator-226"><span class="linenos">226</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-227"><a href="#Redshift.Generator-227"><span class="linenos">227</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="Redshift.Generator-228"><a href="#Redshift.Generator-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> +</span><span id="Redshift.Generator-229"><a href="#Redshift.Generator-229"><span class="linenos">229</span></a> +</span><span id="Redshift.Generator-230"><a href="#Redshift.Generator-230"><span class="linenos">230</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-231"><a href="#Redshift.Generator-231"><span class="linenos">231</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> +</span><span id="Redshift.Generator-232"><a href="#Redshift.Generator-232"><span class="linenos">232</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> +</span><span id="Redshift.Generator-233"><a href="#Redshift.Generator-233"><span class="linenos">233</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 class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift.Generator-234"><a href="#Redshift.Generator-234"><span class="linenos">234</span></a> +</span><span id="Redshift.Generator-235"><a href="#Redshift.Generator-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> </span><span id="Redshift.Generator-236"><a href="#Redshift.Generator-236"><span class="linenos">236</span></a> -</span><span id="Redshift.Generator-237"><a href="#Redshift.Generator-237"><span class="linenos">237</span></a> <span class="c1"># Redshift supports LAST_DAY(..)</span> -</span><span id="Redshift.Generator-238"><a href="#Redshift.Generator-238"><span class="linenos">238</span></a> <span class="n">TRANSFORMS</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LastDay</span><span class="p">)</span> -</span><span id="Redshift.Generator-239"><a href="#Redshift.Generator-239"><span class="linenos">239</span></a> -</span><span id="Redshift.Generator-240"><a href="#Redshift.Generator-240"><span class="linenos">240</span></a> <span class="n">RESERVED_KEYWORDS</span> <span class="o">=</span> <span class="p">{</span><span class="o">*</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">RESERVED_KEYWORDS</span><span class="p">,</span> <span class="s2">"snapshot"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">}</span> -</span><span id="Redshift.Generator-241"><a href="#Redshift.Generator-241"><span class="linenos">241</span></a> -</span><span id="Redshift.Generator-242"><a href="#Redshift.Generator-242"><span class="linenos">242</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator-243"><a href="#Redshift.Generator-243"><span class="linenos">243</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> -</span><span id="Redshift.Generator-244"><a href="#Redshift.Generator-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> -</span><span id="Redshift.Generator-245"><a href="#Redshift.Generator-245"><span class="linenos">245</span></a> -</span><span id="Redshift.Generator-246"><a href="#Redshift.Generator-246"><span class="linenos">246</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator-247"><a href="#Redshift.Generator-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> -</span><span id="Redshift.Generator-248"><a href="#Redshift.Generator-248"><span class="linenos">248</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> -</span><span id="Redshift.Generator-249"><a href="#Redshift.Generator-249"><span class="linenos">249</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 class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift.Generator-237"><a href="#Redshift.Generator-237"><span class="linenos">237</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-238"><a href="#Redshift.Generator-238"><span class="linenos">238</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator-239"><a href="#Redshift.Generator-239"><span class="linenos">239</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="Redshift.Generator-240"><a href="#Redshift.Generator-240"><span class="linenos">240</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="Redshift.Generator-241"><a href="#Redshift.Generator-241"><span class="linenos">241</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="Redshift.Generator-242"><a href="#Redshift.Generator-242"><span class="linenos">242</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift.Generator-243"><a href="#Redshift.Generator-243"><span class="linenos">243</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator-244"><a href="#Redshift.Generator-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> +</span><span id="Redshift.Generator-245"><a href="#Redshift.Generator-245"><span class="linenos">245</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="Redshift.Generator-246"><a href="#Redshift.Generator-246"><span class="linenos">246</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="Redshift.Generator-247"><a href="#Redshift.Generator-247"><span class="linenos">247</span></a> +</span><span id="Redshift.Generator-248"><a href="#Redshift.Generator-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift.Generator-249"><a href="#Redshift.Generator-249"><span class="linenos">249</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> </span><span id="Redshift.Generator-250"><a href="#Redshift.Generator-250"><span class="linenos">250</span></a> -</span><span id="Redshift.Generator-251"><a href="#Redshift.Generator-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> -</span><span id="Redshift.Generator-252"><a href="#Redshift.Generator-252"><span class="linenos">252</span></a> -</span><span id="Redshift.Generator-253"><a href="#Redshift.Generator-253"><span class="linenos">253</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator-254"><a href="#Redshift.Generator-254"><span class="linenos">254</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift.Generator-255"><a href="#Redshift.Generator-255"><span class="linenos">255</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> -</span><span id="Redshift.Generator-256"><a href="#Redshift.Generator-256"><span class="linenos">256</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> -</span><span id="Redshift.Generator-257"><a href="#Redshift.Generator-257"><span class="linenos">257</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> -</span><span id="Redshift.Generator-258"><a href="#Redshift.Generator-258"><span class="linenos">258</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="Redshift.Generator-259"><a href="#Redshift.Generator-259"><span class="linenos">259</span></a><span class="sd"> """</span> -</span><span id="Redshift.Generator-260"><a href="#Redshift.Generator-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> -</span><span id="Redshift.Generator-261"><a href="#Redshift.Generator-261"><span class="linenos">261</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> -</span><span id="Redshift.Generator-262"><a href="#Redshift.Generator-262"><span class="linenos">262</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> -</span><span id="Redshift.Generator-263"><a href="#Redshift.Generator-263"><span class="linenos">263</span></a> -</span><span id="Redshift.Generator-264"><a href="#Redshift.Generator-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> -</span><span id="Redshift.Generator-265"><a href="#Redshift.Generator-265"><span class="linenos">265</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="Redshift.Generator-266"><a href="#Redshift.Generator-266"><span class="linenos">266</span></a> -</span><span id="Redshift.Generator-267"><a href="#Redshift.Generator-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift.Generator-251"><a href="#Redshift.Generator-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -1733,7 +1711,7 @@ Default: True</li> <div class="attr variable"> <span class="name">TRANSFORMS</span> = <input id="Redshift.Generator.TRANSFORMS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="Redshift.Generator.TRANSFORMS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#JSONPathKey">sqlglot.expressions.JSONPathKey</a>'>: <function <lambda>>, <class '<a href="../expressions.html#JSONPathRoot">sqlglot.expressions.JSONPathRoot</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#JSONPathSubscript">sqlglot.expressions.JSONPathSubscript</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#AutoRefreshProperty">sqlglot.expressions.AutoRefreshProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CaseSpecificColumnConstraint">sqlglot.expressions.CaseSpecificColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CharacterSetColumnConstraint">sqlglot.expressions.CharacterSetColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CharacterSetProperty">sqlglot.expressions.CharacterSetProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CheckColumnConstraint">sqlglot.expressions.CheckColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ClusteredColumnConstraint">sqlglot.expressions.ClusteredColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CollateColumnConstraint">sqlglot.expressions.CollateColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CommentColumnConstraint">sqlglot.expressions.CommentColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CopyGrantsProperty">sqlglot.expressions.CopyGrantsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#DateFormatColumnConstraint">sqlglot.expressions.DateFormatColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#DefaultColumnConstraint">sqlglot.expressions.DefaultColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#EncodeColumnConstraint">sqlglot.expressions.EncodeColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ExecuteAsProperty">sqlglot.expressions.ExecuteAsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ExternalProperty">sqlglot.expressions.ExternalProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#HeapProperty">sqlglot.expressions.HeapProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#InheritsProperty">sqlglot.expressions.InheritsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#InlineLengthColumnConstraint">sqlglot.expressions.InlineLengthColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#InputModelProperty">sqlglot.expressions.InputModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#IntervalSpan">sqlglot.expressions.IntervalSpan</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#LanguageProperty">sqlglot.expressions.LanguageProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#LocationProperty">sqlglot.expressions.LocationProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#LogProperty">sqlglot.expressions.LogProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#MaterializedProperty">sqlglot.expressions.MaterializedProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#NonClusteredColumnConstraint">sqlglot.expressions.NonClusteredColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#NoPrimaryIndexProperty">sqlglot.expressions.NoPrimaryIndexProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#NotForReplicationColumnConstraint">sqlglot.expressions.NotForReplicationColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OnCommitProperty">sqlglot.expressions.OnCommitProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OnProperty">sqlglot.expressions.OnProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OnUpdateColumnConstraint">sqlglot.expressions.OnUpdateColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OutputModelProperty">sqlglot.expressions.OutputModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#PathColumnConstraint">sqlglot.expressions.PathColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#RemoteWithConnectionModelProperty">sqlglot.expressions.RemoteWithConnectionModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ReturnsProperty">sqlglot.expressions.ReturnsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SampleProperty">sqlglot.expressions.SampleProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SetConfigProperty">sqlglot.expressions.SetConfigProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SetProperty">sqlglot.expressions.SetProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SettingsProperty">sqlglot.expressions.SettingsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SqlReadWriteProperty">sqlglot.expressions.SqlReadWriteProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SqlSecurityProperty">sqlglot.expressions.SqlSecurityProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#StabilityProperty">sqlglot.expressions.StabilityProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TemporaryProperty">sqlglot.expressions.TemporaryProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TitleColumnConstraint">sqlglot.expressions.TitleColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ToTableProperty">sqlglot.expressions.ToTableProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TransformModelProperty">sqlglot.expressions.TransformModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TransientProperty">sqlglot.expressions.TransientProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#UppercaseColumnConstraint">sqlglot.expressions.UppercaseColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#VarMap">sqlglot.expressions.VarMap</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#VolatileProperty">sqlglot.expressions.VolatileProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#WithJournalTableProperty">sqlglot.expressions.WithJournalTableProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#Array">sqlglot.expressions.Array</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#ArrayContained">sqlglot.expressions.ArrayContained</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ArrayContains">sqlglot.expressions.ArrayContains</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ArrayOverlaps">sqlglot.expressions.ArrayOverlaps</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#BitwiseXor">sqlglot.expressions.BitwiseXor</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ColumnDef">sqlglot.expressions.ColumnDef</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a>'>: <function no_paren_current_date_sql>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#CurrentUser">sqlglot.expressions.CurrentUser</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a>'>: <function datestrtodate_sql>, <class '<a href="../expressions.html#DataType">sqlglot.expressions.DataType</a>'>: <function _datatype_sql>, <class '<a href="../expressions.html#DateSub">sqlglot.expressions.DateSub</a>'>: <function _date_add_sql.<locals>.func>, <class '<a href="../expressions.html#Explode">sqlglot.expressions.Explode</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#JSONExtract">sqlglot.expressions.JSONExtract</a>'>: <function _json_extract_sql>, <class '<a href="../expressions.html#JSONExtractScalar">sqlglot.expressions.JSONExtractScalar</a>'>: <function _json_extract_sql>, <class '<a href="../expressions.html#JSONBExtract">sqlglot.expressions.JSONBExtract</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#JSONBExtractScalar">sqlglot.expressions.JSONBExtractScalar</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#JSONBContains">sqlglot.expressions.JSONBContains</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#LogicalOr">sqlglot.expressions.LogicalOr</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#LogicalAnd">sqlglot.expressions.LogicalAnd</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#Max">sqlglot.expressions.Max</a>'>: <function max_or_greatest>, <class '<a href="../expressions.html#MapFromEntries">sqlglot.expressions.MapFromEntries</a>'>: <function no_map_from_entries_sql>, <class '<a href="../expressions.html#Min">sqlglot.expressions.Min</a>'>: <function min_or_least>, <class '<a href="../expressions.html#Merge">sqlglot.expressions.Merge</a>'>: <function merge_without_target_sql>, <class '<a href="../expressions.html#PartitionedByProperty">sqlglot.expressions.PartitionedByProperty</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#PercentileCont">sqlglot.expressions.PercentileCont</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#PercentileDisc">sqlglot.expressions.PercentileDisc</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#Rand">sqlglot.expressions.Rand</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#RegexpLike">sqlglot.expressions.RegexpLike</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#RegexpILike">sqlglot.expressions.RegexpILike</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#Select">sqlglot.expressions.Select</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>: <function str_position_sql>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#StructExtract">sqlglot.expressions.StructExtract</a>'>: <function struct_extract_sql>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>: <function _substring_sql>, <class '<a href="../expressions.html#TimeFromParts">sqlglot.expressions.TimeFromParts</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampFromParts">sqlglot.expressions.TimestampFromParts</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampTrunc">sqlglot.expressions.TimestampTrunc</a>'>: <function timestamptrunc_sql>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>: <function timestrtotime_sql>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ToChar">sqlglot.expressions.ToChar</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>: <function trim_sql>, <class '<a href="../expressions.html#TryCast">sqlglot.expressions.TryCast</a>'>: <function no_trycast_sql>, <class '<a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#TsOrDsDiff">sqlglot.expressions.TsOrDsDiff</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#Xor">sqlglot.expressions.Xor</a>'>: <function bool_xor_sql>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>: <function concat_to_dpipe_sql>, <class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>: <function concat_ws_to_dpipe_sql>, <class '<a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#DistKeyProperty">sqlglot.expressions.DistKeyProperty</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#DistStyleProperty">sqlglot.expressions.DistStyleProperty</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#FromBase">sqlglot.expressions.FromBase</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#GeneratedAsIdentityColumnConstraint">sqlglot.expressions.GeneratedAsIdentityColumnConstraint</a>'>: <function generatedasidentitycolumnconstraint_sql>, <class '<a 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href="../expressions.html#AutoRefreshProperty">sqlglot.expressions.AutoRefreshProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CaseSpecificColumnConstraint">sqlglot.expressions.CaseSpecificColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CharacterSetColumnConstraint">sqlglot.expressions.CharacterSetColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CharacterSetProperty">sqlglot.expressions.CharacterSetProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CheckColumnConstraint">sqlglot.expressions.CheckColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ClusteredColumnConstraint">sqlglot.expressions.ClusteredColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CollateColumnConstraint">sqlglot.expressions.CollateColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CommentColumnConstraint">sqlglot.expressions.CommentColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#CopyGrantsProperty">sqlglot.expressions.CopyGrantsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#DateFormatColumnConstraint">sqlglot.expressions.DateFormatColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#DefaultColumnConstraint">sqlglot.expressions.DefaultColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#EncodeColumnConstraint">sqlglot.expressions.EncodeColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ExecuteAsProperty">sqlglot.expressions.ExecuteAsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ExternalProperty">sqlglot.expressions.ExternalProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#HeapProperty">sqlglot.expressions.HeapProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#InheritsProperty">sqlglot.expressions.InheritsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#InlineLengthColumnConstraint">sqlglot.expressions.InlineLengthColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#InputModelProperty">sqlglot.expressions.InputModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#IntervalSpan">sqlglot.expressions.IntervalSpan</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#LanguageProperty">sqlglot.expressions.LanguageProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#LocationProperty">sqlglot.expressions.LocationProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#LogProperty">sqlglot.expressions.LogProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#MaterializedProperty">sqlglot.expressions.MaterializedProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#NonClusteredColumnConstraint">sqlglot.expressions.NonClusteredColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#NoPrimaryIndexProperty">sqlglot.expressions.NoPrimaryIndexProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#NotForReplicationColumnConstraint">sqlglot.expressions.NotForReplicationColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OnCommitProperty">sqlglot.expressions.OnCommitProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OnProperty">sqlglot.expressions.OnProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OnUpdateColumnConstraint">sqlglot.expressions.OnUpdateColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#OutputModelProperty">sqlglot.expressions.OutputModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#PathColumnConstraint">sqlglot.expressions.PathColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#RemoteWithConnectionModelProperty">sqlglot.expressions.RemoteWithConnectionModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ReturnsProperty">sqlglot.expressions.ReturnsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SampleProperty">sqlglot.expressions.SampleProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SetConfigProperty">sqlglot.expressions.SetConfigProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SetProperty">sqlglot.expressions.SetProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SettingsProperty">sqlglot.expressions.SettingsProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SqlReadWriteProperty">sqlglot.expressions.SqlReadWriteProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#SqlSecurityProperty">sqlglot.expressions.SqlSecurityProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#StabilityProperty">sqlglot.expressions.StabilityProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TemporaryProperty">sqlglot.expressions.TemporaryProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TitleColumnConstraint">sqlglot.expressions.TitleColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#ToTableProperty">sqlglot.expressions.ToTableProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TransformModelProperty">sqlglot.expressions.TransformModelProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#TransientProperty">sqlglot.expressions.TransientProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#UppercaseColumnConstraint">sqlglot.expressions.UppercaseColumnConstraint</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#VarMap">sqlglot.expressions.VarMap</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#VolatileProperty">sqlglot.expressions.VolatileProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#WithJournalTableProperty">sqlglot.expressions.WithJournalTableProperty</a>'>: <function Generator.<lambda>>, <class '<a href="../expressions.html#Array">sqlglot.expressions.Array</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#ArrayContained">sqlglot.expressions.ArrayContained</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ArrayContains">sqlglot.expressions.ArrayContains</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ArrayOverlaps">sqlglot.expressions.ArrayOverlaps</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#BitwiseXor">sqlglot.expressions.BitwiseXor</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ColumnDef">sqlglot.expressions.ColumnDef</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a>'>: <function no_paren_current_date_sql>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#CurrentUser">sqlglot.expressions.CurrentUser</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a>'>: <function datestrtodate_sql>, <class '<a href="../expressions.html#DataType">sqlglot.expressions.DataType</a>'>: <function _datatype_sql>, <class '<a href="../expressions.html#DateSub">sqlglot.expressions.DateSub</a>'>: <function _date_add_sql.<locals>.func>, <class '<a href="../expressions.html#Explode">sqlglot.expressions.Explode</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#JSONExtract">sqlglot.expressions.JSONExtract</a>'>: <function json_extract_segments.<locals>._json_extract_segments>, <class '<a href="../expressions.html#JSONExtractScalar">sqlglot.expressions.JSONExtractScalar</a>'>: <function json_extract_segments.<locals>._json_extract_segments>, <class '<a href="../expressions.html#JSONBExtract">sqlglot.expressions.JSONBExtract</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#JSONBExtractScalar">sqlglot.expressions.JSONBExtractScalar</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#JSONBContains">sqlglot.expressions.JSONBContains</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#LogicalOr">sqlglot.expressions.LogicalOr</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#LogicalAnd">sqlglot.expressions.LogicalAnd</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#Max">sqlglot.expressions.Max</a>'>: <function max_or_greatest>, <class '<a href="../expressions.html#MapFromEntries">sqlglot.expressions.MapFromEntries</a>'>: <function no_map_from_entries_sql>, <class '<a href="../expressions.html#Min">sqlglot.expressions.Min</a>'>: <function min_or_least>, <class '<a href="../expressions.html#Merge">sqlglot.expressions.Merge</a>'>: <function merge_without_target_sql>, <class '<a href="../expressions.html#PartitionedByProperty">sqlglot.expressions.PartitionedByProperty</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#PercentileCont">sqlglot.expressions.PercentileCont</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#PercentileDisc">sqlglot.expressions.PercentileDisc</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#Rand">sqlglot.expressions.Rand</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#RegexpLike">sqlglot.expressions.RegexpLike</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#RegexpILike">sqlglot.expressions.RegexpILike</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#Select">sqlglot.expressions.Select</a>'>: <function preprocess.<locals>._to_sql>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>: <function str_position_sql>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#StructExtract">sqlglot.expressions.StructExtract</a>'>: <function struct_extract_sql>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>: <function _substring_sql>, <class '<a href="../expressions.html#TimeFromParts">sqlglot.expressions.TimeFromParts</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampFromParts">sqlglot.expressions.TimestampFromParts</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampTrunc">sqlglot.expressions.TimestampTrunc</a>'>: <function timestamptrunc_sql>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>: <function timestrtotime_sql>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#ToChar">sqlglot.expressions.ToChar</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>: <function trim_sql>, <class '<a href="../expressions.html#TryCast">sqlglot.expressions.TryCast</a>'>: <function no_trycast_sql>, <class '<a href="../expressions.html#TsOrDsAdd">sqlglot.expressions.TsOrDsAdd</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#TsOrDsDiff">sqlglot.expressions.TsOrDsDiff</a>'>: <function date_delta_sql.<locals>._delta_sql>, <class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>: <function Postgres.Generator.<lambda>>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#Xor">sqlglot.expressions.Xor</a>'>: <function bool_xor_sql>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>: <function concat_to_dpipe_sql>, <class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>: <function concat_ws_to_dpipe_sql>, <class '<a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#DistKeyProperty">sqlglot.expressions.DistKeyProperty</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#DistStyleProperty">sqlglot.expressions.DistStyleProperty</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#FromBase">sqlglot.expressions.FromBase</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#GeneratedAsIdentityColumnConstraint">sqlglot.expressions.GeneratedAsIdentityColumnConstraint</a>'>: <function generatedasidentitycolumnconstraint_sql>, <class '<a href="../expressions.html#ParseJSON">sqlglot.expressions.ParseJSON</a>'>: <function rename_func.<locals>.<lambda>>, <class '<a href="../expressions.html#SortKeyProperty">sqlglot.expressions.SortKeyProperty</a>'>: <function <a href="#Redshift.Generator">Redshift.Generator</a>.<lambda>>, <class '<a href="../expressions.html#TableSample">sqlglot.expressions.TableSample</a>'>: <function no_tablesample_sql>}</span> </div> @@ -1765,9 +1743,9 @@ Default: True</li> </div> <a class="headerlink" href="#Redshift.Generator.with_properties"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.with_properties-242"><a href="#Redshift.Generator.with_properties-242"><span class="linenos">242</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator.with_properties-243"><a href="#Redshift.Generator.with_properties-243"><span class="linenos">243</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> -</span><span id="Redshift.Generator.with_properties-244"><a href="#Redshift.Generator.with_properties-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.with_properties-226"><a href="#Redshift.Generator.with_properties-226"><span class="linenos">226</span></a> <span class="k">def</span> <span class="nf">with_properties</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">properties</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.with_properties-227"><a href="#Redshift.Generator.with_properties-227"><span class="linenos">227</span></a><span class="w"> </span><span class="sd">"""Redshift doesn't have `WITH` as part of their with_properties so we remove it"""</span> +</span><span id="Redshift.Generator.with_properties-228"><a href="#Redshift.Generator.with_properties-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">properties</span><span class="p">(</span><span class="n">properties</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">" "</span><span class="p">,</span> <span class="n">suffix</span><span class="o">=</span><span class="s2">""</span><span class="p">)</span> </span></pre></div> @@ -1787,12 +1765,12 @@ Default: True</li> </div> <a class="headerlink" href="#Redshift.Generator.cast_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.cast_sql-246"><a href="#Redshift.Generator.cast_sql-246"><span class="linenos">246</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator.cast_sql-247"><a href="#Redshift.Generator.cast_sql-247"><span class="linenos">247</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> -</span><span id="Redshift.Generator.cast_sql-248"><a href="#Redshift.Generator.cast_sql-248"><span class="linenos">248</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> -</span><span id="Redshift.Generator.cast_sql-249"><a href="#Redshift.Generator.cast_sql-249"><span class="linenos">249</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 class="s2">"this"</span><span class="p">)</span> -</span><span id="Redshift.Generator.cast_sql-250"><a href="#Redshift.Generator.cast_sql-250"><span class="linenos">250</span></a> -</span><span id="Redshift.Generator.cast_sql-251"><a href="#Redshift.Generator.cast_sql-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.cast_sql-230"><a href="#Redshift.Generator.cast_sql-230"><span class="linenos">230</span></a> <span class="k">def</span> <span class="nf">cast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">,</span> <span class="n">safe_prefix</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.cast_sql-231"><a href="#Redshift.Generator.cast_sql-231"><span class="linenos">231</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">JSON</span><span class="p">):</span> +</span><span id="Redshift.Generator.cast_sql-232"><a href="#Redshift.Generator.cast_sql-232"><span class="linenos">232</span></a> <span class="c1"># Redshift doesn't support a JSON type, so casting to it is treated as a noop</span> +</span><span id="Redshift.Generator.cast_sql-233"><a href="#Redshift.Generator.cast_sql-233"><span class="linenos">233</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 class="s2">"this"</span><span class="p">)</span> +</span><span id="Redshift.Generator.cast_sql-234"><a href="#Redshift.Generator.cast_sql-234"><span class="linenos">234</span></a> +</span><span id="Redshift.Generator.cast_sql-235"><a href="#Redshift.Generator.cast_sql-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</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 class="n">safe_prefix</span><span class="o">=</span><span class="n">safe_prefix</span><span class="p">)</span> </span></pre></div> @@ -1810,21 +1788,21 @@ Default: True</li> </div> <a class="headerlink" href="#Redshift.Generator.datatype_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.datatype_sql-253"><a href="#Redshift.Generator.datatype_sql-253"><span class="linenos">253</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator.datatype_sql-254"><a href="#Redshift.Generator.datatype_sql-254"><span class="linenos">254</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift.Generator.datatype_sql-255"><a href="#Redshift.Generator.datatype_sql-255"><span class="linenos">255</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> -</span><span id="Redshift.Generator.datatype_sql-256"><a href="#Redshift.Generator.datatype_sql-256"><span class="linenos">256</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> -</span><span id="Redshift.Generator.datatype_sql-257"><a href="#Redshift.Generator.datatype_sql-257"><span class="linenos">257</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> -</span><span id="Redshift.Generator.datatype_sql-258"><a href="#Redshift.Generator.datatype_sql-258"><span class="linenos">258</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="Redshift.Generator.datatype_sql-259"><a href="#Redshift.Generator.datatype_sql-259"><span class="linenos">259</span></a><span class="sd"> """</span> -</span><span id="Redshift.Generator.datatype_sql-260"><a href="#Redshift.Generator.datatype_sql-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> -</span><span id="Redshift.Generator.datatype_sql-261"><a href="#Redshift.Generator.datatype_sql-261"><span class="linenos">261</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> -</span><span id="Redshift.Generator.datatype_sql-262"><a href="#Redshift.Generator.datatype_sql-262"><span class="linenos">262</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> -</span><span id="Redshift.Generator.datatype_sql-263"><a href="#Redshift.Generator.datatype_sql-263"><span class="linenos">263</span></a> -</span><span id="Redshift.Generator.datatype_sql-264"><a href="#Redshift.Generator.datatype_sql-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> -</span><span id="Redshift.Generator.datatype_sql-265"><a href="#Redshift.Generator.datatype_sql-265"><span class="linenos">265</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="Redshift.Generator.datatype_sql-266"><a href="#Redshift.Generator.datatype_sql-266"><span class="linenos">266</span></a> -</span><span id="Redshift.Generator.datatype_sql-267"><a href="#Redshift.Generator.datatype_sql-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.datatype_sql-237"><a href="#Redshift.Generator.datatype_sql-237"><span class="linenos">237</span></a> <span class="k">def</span> <span class="nf">datatype_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.datatype_sql-238"><a href="#Redshift.Generator.datatype_sql-238"><span class="linenos">238</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator.datatype_sql-239"><a href="#Redshift.Generator.datatype_sql-239"><span class="linenos">239</span></a><span class="sd"> Redshift converts the `TEXT` data type to `VARCHAR(255)` by default when people more generally mean</span> +</span><span id="Redshift.Generator.datatype_sql-240"><a href="#Redshift.Generator.datatype_sql-240"><span class="linenos">240</span></a><span class="sd"> VARCHAR of max length which is `VARCHAR(max)` in Redshift. Therefore if we get a `TEXT` data type</span> +</span><span id="Redshift.Generator.datatype_sql-241"><a href="#Redshift.Generator.datatype_sql-241"><span class="linenos">241</span></a><span class="sd"> without precision we convert it to `VARCHAR(max)` and if it does have precision then we just convert</span> +</span><span id="Redshift.Generator.datatype_sql-242"><a href="#Redshift.Generator.datatype_sql-242"><span class="linenos">242</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift.Generator.datatype_sql-243"><a href="#Redshift.Generator.datatype_sql-243"><span class="linenos">243</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator.datatype_sql-244"><a href="#Redshift.Generator.datatype_sql-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"text"</span><span class="p">):</span> +</span><span id="Redshift.Generator.datatype_sql-245"><a href="#Redshift.Generator.datatype_sql-245"><span class="linenos">245</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span><span class="p">)</span> +</span><span id="Redshift.Generator.datatype_sql-246"><a href="#Redshift.Generator.datatype_sql-246"><span class="linenos">246</span></a> <span class="n">precision</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">)</span> +</span><span id="Redshift.Generator.datatype_sql-247"><a href="#Redshift.Generator.datatype_sql-247"><span class="linenos">247</span></a> +</span><span id="Redshift.Generator.datatype_sql-248"><a href="#Redshift.Generator.datatype_sql-248"><span class="linenos">248</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift.Generator.datatype_sql-249"><a href="#Redshift.Generator.datatype_sql-249"><span class="linenos">249</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift.Generator.datatype_sql-250"><a href="#Redshift.Generator.datatype_sql-250"><span class="linenos">250</span></a> +</span><span id="Redshift.Generator.datatype_sql-251"><a href="#Redshift.Generator.datatype_sql-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">datatype_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -2220,6 +2198,7 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.JSON_TYPE_REQUIRED_FOR_EXTRACTION" class="variable"><a href="postgres.html#Postgres.Generator.JSON_TYPE_REQUIRED_FOR_EXTRACTION">JSON_TYPE_REQUIRED_FOR_EXTRACTION</a></dd> <dd id="Redshift.Generator.SUPPORTS_UNLOGGED_TABLES" class="variable"><a href="postgres.html#Postgres.Generator.SUPPORTS_UNLOGGED_TABLES">SUPPORTS_UNLOGGED_TABLES</a></dd> <dd id="Redshift.Generator.LIKE_PROPERTY_INSIDE_SCHEMA" class="variable"><a href="postgres.html#Postgres.Generator.LIKE_PROPERTY_INSIDE_SCHEMA">LIKE_PROPERTY_INSIDE_SCHEMA</a></dd> + <dd id="Redshift.Generator.MULTI_ARG_DISTINCT" class="variable"><a href="postgres.html#Postgres.Generator.MULTI_ARG_DISTINCT">MULTI_ARG_DISTINCT</a></dd> <dd id="Redshift.Generator.SUPPORTED_JSON_PATH_PARTS" class="variable"><a href="postgres.html#Postgres.Generator.SUPPORTED_JSON_PATH_PARTS">SUPPORTED_JSON_PATH_PARTS</a></dd> <dd id="Redshift.Generator.PROPERTIES_LOCATION" class="variable"><a href="postgres.html#Postgres.Generator.PROPERTIES_LOCATION">PROPERTIES_LOCATION</a></dd> <dd id="Redshift.Generator.bracket_sql" class="function"><a href="postgres.html#Postgres.Generator.bracket_sql">bracket_sql</a></dd> |