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1 files changed, 293 insertions, 285 deletions
diff --git a/docs/sqlglot/dialects/redshift.html b/docs/sqlglot/dialects/redshift.html index ee4f196..53ae41b 100644 --- a/docs/sqlglot/dialects/redshift.html +++ b/docs/sqlglot/dialects/redshift.html @@ -55,9 +55,6 @@ <a class="function" href="#Redshift.Generator.with_properties">with_properties</a> </li> <li> - <a class="function" href="#Redshift.Generator.renametable_sql">renametable_sql</a> - </li> - <li> <a class="function" href="#Redshift.Generator.datatype_sql">datatype_sql</a> </li> </ul> @@ -99,21 +96,21 @@ </span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">TokenType</span> </span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a> </span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a> -</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="k">def</span> <span class="nf">_json_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s1">'</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="s2">"this"</span><span class="p">)</span><span class="si">}</span><span class="s1">."</span><span class="si">{</span><span class="n">e</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s1">"'</span> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="k">def</span> <span class="nf">_json_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Postgres</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 class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s2">"this"</span><span class="p">)</span><span class="si">}</span><span class="s1">."</span><span class="si">{</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s1">"'</span> </span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> </span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a> </span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</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-16"><a href="#L-16"><span class="linenos"> 16</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-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="n">time_mapping</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</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-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> </span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> </span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="p">}</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 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-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</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-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="s2">"DATEADD"</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">DateAdd</span><span class="p">(</span> </span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> </span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</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> @@ -136,19 +133,19 @@ </span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</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-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span> </span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</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-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</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-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="p">):</span> </span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">)])</span> </span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> </span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="k">return</span> <span class="n">this</span> </span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> </span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">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-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> -</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> <span class="c1"># type: ignore</span> -</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="s2">"GEOMETRY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOMETRY</span><span class="p">,</span> -</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="s2">"GEOGRAPHY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOGRAPHY</span><span class="p">,</span> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="n">BIT_STRINGS</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="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</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-61"><a href="#L-61"><span class="linenos"> 61</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-62"><a href="#L-62"><span class="linenos"> 62</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-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">CURRENT_TIMESTAMP</span><span class="p">,</span> @@ -165,22 +162,22 @@ </span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> </span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</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-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">SINGLE_STRING_INTERVAL</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="n">RENAME_TABLE_WITH_DB</span> <span class="o">=</span> <span class="kc">False</span> </span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> </span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</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-81"><a href="#L-81"><span class="linenos"> 81</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-82"><a href="#L-82"><span class="linenos"> 82</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-83"><a href="#L-83"><span class="linenos"> 83</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-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="p">}</span> </span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> </span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">PROPERTIES_LOCATION</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> </span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LikeProperty</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="o">.</span><span class="n">Location</span><span class="o">.</span><span class="n">POST_WITH</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="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</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-93"><a href="#L-93"><span class="linenos"> 93</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="s2">"SYSDATE"</span><span class="p">,</span> </span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</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">func</span><span class="p">(</span> </span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="s2">"DATEADD"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">e</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> @@ -196,64 +193,68 @@ </span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> </span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <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="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</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-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</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-110"><a href="#L-110"><span class="linenos">110</span></a> -</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="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><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> -</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a><span class="sd"> very slow.</span> -</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a><span class="sd"> """</span> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> -</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="p">]</span> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">def</span> <span class="nf">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-139"><a href="#L-139"><span class="linenos">139</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-140"><a href="#L-140"><span class="linenos">140</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-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">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> -</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</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-153"><a href="#L-153"><span class="linenos">153</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</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-155"><a href="#L-155"><span class="linenos">155</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-156"><a href="#L-156"><span class="linenos">156</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-157"><a href="#L-157"><span class="linenos">157</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a><span class="sd"> """</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</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-162"><a href="#L-162"><span class="linenos">162</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-163"><a href="#L-163"><span class="linenos">163</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-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</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-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</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-113"><a href="#L-113"><span class="linenos">113</span></a> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</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-115"><a href="#L-115"><span class="linenos">115</span></a> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a><span class="sd"> very slow.</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a><span class="sd"> """</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="c1"># The VALUES clause is still valid in an `INSERT INTO ..` statement, for example</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">column_names</span><span class="p">:</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">column_names</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><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="L-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="n">subquery_expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-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">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="L-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">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-151"><a href="#L-151"><span class="linenos">151</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-152"><a href="#L-152"><span class="linenos">152</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-153"><a href="#L-153"><span class="linenos">153</span></a> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</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-155"><a href="#L-155"><span class="linenos">155</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</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-157"><a href="#L-157"><span class="linenos">157</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-158"><a href="#L-158"><span class="linenos">158</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-159"><a href="#L-159"><span class="linenos">159</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a><span class="sd"> """</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</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-164"><a href="#L-164"><span class="linenos">164</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-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">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</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> @@ -272,14 +273,14 @@ <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift-16"><a href="#Redshift-16"><span class="linenos"> 16</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-17"><a href="#Redshift-17"><span class="linenos"> 17</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-18"><a href="#Redshift-18"><span class="linenos"> 18</span></a> <span class="n">time_mapping</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-19"><a href="#Redshift-19"><span class="linenos"> 19</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">time_mapping</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-19"><a href="#Redshift-19"><span class="linenos"> 19</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-20"><a href="#Redshift-20"><span class="linenos"> 20</span></a> <span class="s2">"MON"</span><span class="p">:</span> <span class="s2">"%b"</span><span class="p">,</span> </span><span id="Redshift-21"><a href="#Redshift-21"><span class="linenos"> 21</span></a> <span class="s2">"HH"</span><span class="p">:</span> <span class="s2">"%H"</span><span class="p">,</span> </span><span id="Redshift-22"><a href="#Redshift-22"><span class="linenos"> 22</span></a> <span class="p">}</span> </span><span id="Redshift-23"><a href="#Redshift-23"><span class="linenos"> 23</span></a> </span><span id="Redshift-24"><a href="#Redshift-24"><span class="linenos"> 24</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-25"><a href="#Redshift-25"><span class="linenos"> 25</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-26"><a href="#Redshift-26"><span class="linenos"> 26</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-26"><a href="#Redshift-26"><span class="linenos"> 26</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-27"><a href="#Redshift-27"><span class="linenos"> 27</span></a> <span class="s2">"DATEADD"</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">DateAdd</span><span class="p">(</span> </span><span id="Redshift-28"><a href="#Redshift-28"><span class="linenos"> 28</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> </span><span id="Redshift-29"><a href="#Redshift-29"><span class="linenos"> 29</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> @@ -302,19 +303,19 @@ </span><span id="Redshift-46"><a href="#Redshift-46"><span class="linenos"> 46</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-47"><a href="#Redshift-47"><span class="linenos"> 47</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span> </span><span id="Redshift-48"><a href="#Redshift-48"><span class="linenos"> 48</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-49"><a href="#Redshift-49"><span class="linenos"> 49</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="Redshift-49"><a href="#Redshift-49"><span class="linenos"> 49</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-50"><a href="#Redshift-50"><span class="linenos"> 50</span></a> <span class="p">):</span> </span><span id="Redshift-51"><a href="#Redshift-51"><span class="linenos"> 51</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">)])</span> </span><span id="Redshift-52"><a href="#Redshift-52"><span class="linenos"> 52</span></a> </span><span id="Redshift-53"><a href="#Redshift-53"><span class="linenos"> 53</span></a> <span class="k">return</span> <span class="n">this</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="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-56"><a href="#Redshift-56"><span class="linenos"> 56</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> -</span><span id="Redshift-57"><a href="#Redshift-57"><span class="linenos"> 57</span></a> -</span><span id="Redshift-58"><a href="#Redshift-58"><span class="linenos"> 58</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-59"><a href="#Redshift-59"><span class="linenos"> 59</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> <span class="c1"># type: ignore</span> -</span><span id="Redshift-60"><a href="#Redshift-60"><span class="linenos"> 60</span></a> <span class="s2">"GEOMETRY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOMETRY</span><span class="p">,</span> -</span><span id="Redshift-61"><a href="#Redshift-61"><span class="linenos"> 61</span></a> <span class="s2">"GEOGRAPHY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOGRAPHY</span><span class="p">,</span> +</span><span id="Redshift-56"><a href="#Redshift-56"><span class="linenos"> 56</span></a> <span class="n">BIT_STRINGS</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="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift-58"><a href="#Redshift-58"><span class="linenos"> 58</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="Redshift-59"><a href="#Redshift-59"><span class="linenos"> 59</span></a> +</span><span id="Redshift-60"><a href="#Redshift-60"><span class="linenos"> 60</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift-61"><a href="#Redshift-61"><span class="linenos"> 61</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-62"><a href="#Redshift-62"><span class="linenos"> 62</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-63"><a href="#Redshift-63"><span class="linenos"> 63</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-64"><a href="#Redshift-64"><span class="linenos"> 64</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">CURRENT_TIMESTAMP</span><span class="p">,</span> @@ -331,22 +332,22 @@ </span><span id="Redshift-75"><a href="#Redshift-75"><span class="linenos"> 75</span></a> </span><span id="Redshift-76"><a href="#Redshift-76"><span class="linenos"> 76</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-77"><a href="#Redshift-77"><span class="linenos"> 77</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift-78"><a href="#Redshift-78"><span class="linenos"> 78</span></a> <span class="n">SINGLE_STRING_INTERVAL</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="n">RENAME_TABLE_WITH_DB</span> <span class="o">=</span> <span class="kc">False</span> </span><span id="Redshift-79"><a href="#Redshift-79"><span class="linenos"> 79</span></a> </span><span id="Redshift-80"><a href="#Redshift-80"><span class="linenos"> 80</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-81"><a href="#Redshift-81"><span class="linenos"> 81</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-81"><a href="#Redshift-81"><span class="linenos"> 81</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-82"><a href="#Redshift-82"><span class="linenos"> 82</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-83"><a href="#Redshift-83"><span class="linenos"> 83</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-84"><a href="#Redshift-84"><span class="linenos"> 84</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-85"><a href="#Redshift-85"><span class="linenos"> 85</span></a> <span class="p">}</span> </span><span id="Redshift-86"><a href="#Redshift-86"><span class="linenos"> 86</span></a> </span><span id="Redshift-87"><a href="#Redshift-87"><span class="linenos"> 87</span></a> <span class="n">PROPERTIES_LOCATION</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-88"><a href="#Redshift-88"><span class="linenos"> 88</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-88"><a href="#Redshift-88"><span class="linenos"> 88</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> </span><span id="Redshift-89"><a href="#Redshift-89"><span class="linenos"> 89</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LikeProperty</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="o">.</span><span class="n">Location</span><span class="o">.</span><span class="n">POST_WITH</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="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift-93"><a href="#Redshift-93"><span class="linenos"> 93</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift-93"><a href="#Redshift-93"><span class="linenos"> 93</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-94"><a href="#Redshift-94"><span class="linenos"> 94</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="s2">"SYSDATE"</span><span class="p">,</span> </span><span id="Redshift-95"><a href="#Redshift-95"><span class="linenos"> 95</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</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">func</span><span class="p">(</span> </span><span id="Redshift-96"><a href="#Redshift-96"><span class="linenos"> 96</span></a> <span class="s2">"DATEADD"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">e</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> @@ -362,64 +363,68 @@ </span><span id="Redshift-106"><a href="#Redshift-106"><span class="linenos">106</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> </span><span id="Redshift-107"><a href="#Redshift-107"><span class="linenos">107</span></a> <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="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> -</span><span id="Redshift-110"><a href="#Redshift-110"><span class="linenos">110</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-109"><a href="#Redshift-109"><span class="linenos">109</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> +</span><span id="Redshift-110"><a href="#Redshift-110"><span class="linenos">110</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-111"><a href="#Redshift-111"><span class="linenos">111</span></a> -</span><span id="Redshift-112"><a href="#Redshift-112"><span class="linenos">112</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><span id="Redshift-113"><a href="#Redshift-113"><span class="linenos">113</span></a> -</span><span id="Redshift-114"><a href="#Redshift-114"><span class="linenos">114</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift-115"><a href="#Redshift-115"><span class="linenos">115</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift-116"><a href="#Redshift-116"><span class="linenos">116</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> -</span><span id="Redshift-117"><a href="#Redshift-117"><span class="linenos">117</span></a> -</span><span id="Redshift-118"><a href="#Redshift-118"><span class="linenos">118</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> -</span><span id="Redshift-119"><a href="#Redshift-119"><span class="linenos">119</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> -</span><span id="Redshift-120"><a href="#Redshift-120"><span class="linenos">120</span></a><span class="sd"> very slow.</span> -</span><span id="Redshift-121"><a href="#Redshift-121"><span class="linenos">121</span></a><span class="sd"> """</span> -</span><span id="Redshift-122"><a href="#Redshift-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> -</span><span id="Redshift-123"><a href="#Redshift-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="Redshift-124"><a href="#Redshift-124"><span class="linenos">124</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> -</span><span id="Redshift-125"><a href="#Redshift-125"><span class="linenos">125</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift-126"><a href="#Redshift-126"><span class="linenos">126</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> -</span><span id="Redshift-127"><a href="#Redshift-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> -</span><span id="Redshift-128"><a href="#Redshift-128"><span class="linenos">128</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="Redshift-129"><a href="#Redshift-129"><span class="linenos">129</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> -</span><span id="Redshift-130"><a href="#Redshift-130"><span class="linenos">130</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> -</span><span id="Redshift-131"><a href="#Redshift-131"><span class="linenos">131</span></a> <span class="p">]</span> -</span><span id="Redshift-132"><a href="#Redshift-132"><span class="linenos">132</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> -</span><span id="Redshift-133"><a href="#Redshift-133"><span class="linenos">133</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="Redshift-134"><a href="#Redshift-134"><span class="linenos">134</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Redshift-135"><a href="#Redshift-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="Redshift-136"><a href="#Redshift-136"><span class="linenos">136</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="Redshift-137"><a href="#Redshift-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> -</span><span id="Redshift-138"><a href="#Redshift-138"><span class="linenos">138</span></a> -</span><span id="Redshift-139"><a href="#Redshift-139"><span class="linenos">139</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-140"><a href="#Redshift-140"><span class="linenos">140</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-141"><a href="#Redshift-141"><span class="linenos">141</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-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">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift-144"><a href="#Redshift-144"><span class="linenos">144</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> -</span><span id="Redshift-145"><a href="#Redshift-145"><span class="linenos">145</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift-146"><a href="#Redshift-146"><span class="linenos">146</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="Redshift-147"><a href="#Redshift-147"><span class="linenos">147</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> -</span><span id="Redshift-148"><a href="#Redshift-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> -</span><span id="Redshift-149"><a href="#Redshift-149"><span class="linenos">149</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="Redshift-150"><a href="#Redshift-150"><span class="linenos">150</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="Redshift-151"><a href="#Redshift-151"><span class="linenos">151</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> -</span><span id="Redshift-152"><a href="#Redshift-152"><span class="linenos">152</span></a> -</span><span id="Redshift-153"><a href="#Redshift-153"><span class="linenos">153</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-154"><a href="#Redshift-154"><span class="linenos">154</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift-155"><a href="#Redshift-155"><span class="linenos">155</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-156"><a href="#Redshift-156"><span class="linenos">156</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-157"><a href="#Redshift-157"><span class="linenos">157</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-158"><a href="#Redshift-158"><span class="linenos">158</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="Redshift-159"><a href="#Redshift-159"><span class="linenos">159</span></a><span class="sd"> """</span> -</span><span id="Redshift-160"><a href="#Redshift-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> -</span><span id="Redshift-161"><a href="#Redshift-161"><span class="linenos">161</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift-162"><a href="#Redshift-162"><span class="linenos">162</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-163"><a href="#Redshift-163"><span class="linenos">163</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-164"><a href="#Redshift-164"><span class="linenos">164</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-165"><a href="#Redshift-165"><span class="linenos">165</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="Redshift-166"><a href="#Redshift-166"><span class="linenos">166</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-112"><a href="#Redshift-112"><span class="linenos">112</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> +</span><span id="Redshift-113"><a href="#Redshift-113"><span class="linenos">113</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-114"><a href="#Redshift-114"><span class="linenos">114</span></a> +</span><span id="Redshift-115"><a href="#Redshift-115"><span class="linenos">115</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-116"><a href="#Redshift-116"><span class="linenos">116</span></a> +</span><span id="Redshift-117"><a href="#Redshift-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift-118"><a href="#Redshift-118"><span class="linenos">118</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift-119"><a href="#Redshift-119"><span class="linenos">119</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="Redshift-120"><a href="#Redshift-120"><span class="linenos">120</span></a> +</span><span id="Redshift-121"><a href="#Redshift-121"><span class="linenos">121</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="Redshift-122"><a href="#Redshift-122"><span class="linenos">122</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="Redshift-123"><a href="#Redshift-123"><span class="linenos">123</span></a><span class="sd"> very slow.</span> +</span><span id="Redshift-124"><a href="#Redshift-124"><span class="linenos">124</span></a><span class="sd"> """</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="c1"># The VALUES clause is still valid in an `INSERT INTO ..` statement, for example</span> +</span><span id="Redshift-127"><a href="#Redshift-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> +</span><span id="Redshift-128"><a href="#Redshift-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift-129"><a href="#Redshift-129"><span class="linenos">129</span></a> +</span><span id="Redshift-130"><a href="#Redshift-130"><span class="linenos">130</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span> +</span><span id="Redshift-131"><a href="#Redshift-131"><span class="linenos">131</span></a> +</span><span id="Redshift-132"><a href="#Redshift-132"><span class="linenos">132</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift-133"><a href="#Redshift-133"><span class="linenos">133</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="Redshift-134"><a href="#Redshift-134"><span class="linenos">134</span></a> +</span><span id="Redshift-135"><a href="#Redshift-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="Redshift-136"><a href="#Redshift-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">column_names</span><span class="p">:</span> +</span><span id="Redshift-137"><a href="#Redshift-137"><span class="linenos">137</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Redshift-138"><a href="#Redshift-138"><span class="linenos">138</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="Redshift-139"><a href="#Redshift-139"><span class="linenos">139</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">column_names</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><span id="Redshift-141"><a href="#Redshift-141"><span class="linenos">141</span></a> +</span><span id="Redshift-142"><a href="#Redshift-142"><span class="linenos">142</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="Redshift-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="n">subquery_expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="Redshift-145"><a href="#Redshift-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Redshift-146"><a href="#Redshift-146"><span class="linenos">146</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Redshift-147"><a href="#Redshift-147"><span class="linenos">147</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="Redshift-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">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="Redshift-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">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-152"><a href="#Redshift-152"><span class="linenos">152</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-153"><a href="#Redshift-153"><span class="linenos">153</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-154"><a href="#Redshift-154"><span class="linenos">154</span></a> +</span><span id="Redshift-155"><a href="#Redshift-155"><span class="linenos">155</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-156"><a href="#Redshift-156"><span class="linenos">156</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift-157"><a href="#Redshift-157"><span class="linenos">157</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-158"><a href="#Redshift-158"><span class="linenos">158</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-159"><a href="#Redshift-159"><span class="linenos">159</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-160"><a href="#Redshift-160"><span class="linenos">160</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift-161"><a href="#Redshift-161"><span class="linenos">161</span></a><span class="sd"> """</span> +</span><span id="Redshift-162"><a href="#Redshift-162"><span class="linenos">162</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="Redshift-163"><a href="#Redshift-163"><span class="linenos">163</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift-164"><a href="#Redshift-164"><span class="linenos">164</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-165"><a href="#Redshift-165"><span class="linenos">165</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-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">if</span> <span class="ow">not</span> <span class="n">precision</span><span class="p">:</span> +</span><span id="Redshift-168"><a href="#Redshift-168"><span class="linenos">168</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift-169"><a href="#Redshift-169"><span class="linenos">169</span></a> +</span><span id="Redshift-170"><a href="#Redshift-170"><span class="linenos">170</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> @@ -456,7 +461,7 @@ <a class="headerlink" href="#Redshift.Parser"></a> <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Parser-24"><a href="#Redshift.Parser-24"><span class="linenos">24</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-25"><a href="#Redshift.Parser-25"><span class="linenos">25</span></a> <span class="n">FUNCTIONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Parser-26"><a href="#Redshift.Parser-26"><span class="linenos">26</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Parser</span><span class="o">.</span><span class="n">FUNCTIONS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Parser-26"><a href="#Redshift.Parser-26"><span class="linenos">26</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-27"><a href="#Redshift.Parser-27"><span class="linenos">27</span></a> <span class="s2">"DATEADD"</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">DateAdd</span><span class="p">(</span> </span><span id="Redshift.Parser-28"><a href="#Redshift.Parser-28"><span class="linenos">28</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> </span><span id="Redshift.Parser-29"><a href="#Redshift.Parser-29"><span class="linenos">29</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> @@ -479,7 +484,7 @@ </span><span id="Redshift.Parser-46"><a href="#Redshift.Parser-46"><span class="linenos">46</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-47"><a href="#Redshift.Parser-47"><span class="linenos">47</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">VARCHAR</span> </span><span id="Redshift.Parser-48"><a href="#Redshift.Parser-48"><span class="linenos">48</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-49"><a href="#Redshift.Parser-49"><span class="linenos">49</span></a> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="s2">"MAX"</span><span class="p">)</span> +</span><span id="Redshift.Parser-49"><a href="#Redshift.Parser-49"><span class="linenos">49</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-50"><a href="#Redshift.Parser-50"><span class="linenos">50</span></a> <span class="p">):</span> </span><span id="Redshift.Parser-51"><a href="#Redshift.Parser-51"><span class="linenos">51</span></a> <span class="n">this</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">)])</span> </span><span id="Redshift.Parser-52"><a href="#Redshift.Parser-52"><span class="linenos">52</span></a> @@ -541,12 +546,12 @@ Default: "nulls_are_small"</li> </div> <a class="headerlink" href="#Redshift.Tokenizer"></a> <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Tokenizer-55"><a href="#Redshift.Tokenizer-55"><span class="linenos">55</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-56"><a href="#Redshift.Tokenizer-56"><span class="linenos">56</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> -</span><span id="Redshift.Tokenizer-57"><a href="#Redshift.Tokenizer-57"><span class="linenos">57</span></a> -</span><span id="Redshift.Tokenizer-58"><a href="#Redshift.Tokenizer-58"><span class="linenos">58</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Tokenizer-59"><a href="#Redshift.Tokenizer-59"><span class="linenos">59</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Tokenizer</span><span class="o">.</span><span class="n">KEYWORDS</span><span class="p">,</span> <span class="c1"># type: ignore</span> -</span><span id="Redshift.Tokenizer-60"><a href="#Redshift.Tokenizer-60"><span class="linenos">60</span></a> <span class="s2">"GEOMETRY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOMETRY</span><span class="p">,</span> -</span><span id="Redshift.Tokenizer-61"><a href="#Redshift.Tokenizer-61"><span class="linenos">61</span></a> <span class="s2">"GEOGRAPHY"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">GEOGRAPHY</span><span class="p">,</span> +</span><span id="Redshift.Tokenizer-56"><a href="#Redshift.Tokenizer-56"><span class="linenos">56</span></a> <span class="n">BIT_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Tokenizer-57"><a href="#Redshift.Tokenizer-57"><span class="linenos">57</span></a> <span class="n">HEX_STRINGS</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Tokenizer-58"><a href="#Redshift.Tokenizer-58"><span class="linenos">58</span></a> <span class="n">STRING_ESCAPES</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"</span><span class="se">\\</span><span class="s2">"</span><span class="p">]</span> +</span><span id="Redshift.Tokenizer-59"><a href="#Redshift.Tokenizer-59"><span class="linenos">59</span></a> +</span><span id="Redshift.Tokenizer-60"><a href="#Redshift.Tokenizer-60"><span class="linenos">60</span></a> <span class="n">KEYWORDS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Redshift.Tokenizer-61"><a href="#Redshift.Tokenizer-61"><span class="linenos">61</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-62"><a href="#Redshift.Tokenizer-62"><span class="linenos">62</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-63"><a href="#Redshift.Tokenizer-63"><span class="linenos">63</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-64"><a href="#Redshift.Tokenizer-64"><span class="linenos">64</span></a> <span class="s2">"SYSDATE"</span><span class="p">:</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">CURRENT_TIMESTAMP</span><span class="p">,</span> @@ -589,22 +594,22 @@ Default: "nulls_are_small"</li> <a class="headerlink" href="#Redshift.Generator"></a> <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator-76"><a href="#Redshift.Generator-76"><span class="linenos"> 76</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-77"><a href="#Redshift.Generator-77"><span class="linenos"> 77</span></a> <span class="n">LOCKING_READS_SUPPORTED</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Redshift.Generator-78"><a href="#Redshift.Generator-78"><span class="linenos"> 78</span></a> <span class="n">SINGLE_STRING_INTERVAL</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="Redshift.Generator-78"><a href="#Redshift.Generator-78"><span class="linenos"> 78</span></a> <span class="n">RENAME_TABLE_WITH_DB</span> <span class="o">=</span> <span class="kc">False</span> </span><span id="Redshift.Generator-79"><a href="#Redshift.Generator-79"><span class="linenos"> 79</span></a> </span><span id="Redshift.Generator-80"><a href="#Redshift.Generator-80"><span class="linenos"> 80</span></a> <span class="n">TYPE_MAPPING</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Generator-81"><a href="#Redshift.Generator-81"><span class="linenos"> 81</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TYPE_MAPPING</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-81"><a href="#Redshift.Generator-81"><span class="linenos"> 81</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-82"><a href="#Redshift.Generator-82"><span class="linenos"> 82</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-83"><a href="#Redshift.Generator-83"><span class="linenos"> 83</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-84"><a href="#Redshift.Generator-84"><span class="linenos"> 84</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-85"><a href="#Redshift.Generator-85"><span class="linenos"> 85</span></a> <span class="p">}</span> </span><span id="Redshift.Generator-86"><a href="#Redshift.Generator-86"><span class="linenos"> 86</span></a> </span><span id="Redshift.Generator-87"><a href="#Redshift.Generator-87"><span class="linenos"> 87</span></a> <span class="n">PROPERTIES_LOCATION</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Generator-88"><a href="#Redshift.Generator-88"><span class="linenos"> 88</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-88"><a href="#Redshift.Generator-88"><span class="linenos"> 88</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">PROPERTIES_LOCATION</span><span class="p">,</span> </span><span id="Redshift.Generator-89"><a href="#Redshift.Generator-89"><span class="linenos"> 89</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LikeProperty</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="o">.</span><span class="n">Location</span><span class="o">.</span><span class="n">POST_WITH</span><span class="p">,</span> </span><span id="Redshift.Generator-90"><a href="#Redshift.Generator-90"><span class="linenos"> 90</span></a> <span class="p">}</span> </span><span id="Redshift.Generator-91"><a href="#Redshift.Generator-91"><span class="linenos"> 91</span></a> </span><span id="Redshift.Generator-92"><a href="#Redshift.Generator-92"><span class="linenos"> 92</span></a> <span class="n">TRANSFORMS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Redshift.Generator-93"><a href="#Redshift.Generator-93"><span class="linenos"> 93</span></a> <span class="o">**</span><span class="n">Postgres</span><span class="o">.</span><span class="n">Generator</span><span class="o">.</span><span class="n">TRANSFORMS</span><span class="p">,</span> <span class="c1"># type: ignore</span> +</span><span id="Redshift.Generator-93"><a href="#Redshift.Generator-93"><span class="linenos"> 93</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-94"><a href="#Redshift.Generator-94"><span class="linenos"> 94</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="s2">"SYSDATE"</span><span class="p">,</span> </span><span id="Redshift.Generator-95"><a href="#Redshift.Generator-95"><span class="linenos"> 95</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">DateAdd</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">func</span><span class="p">(</span> </span><span id="Redshift.Generator-96"><a href="#Redshift.Generator-96"><span class="linenos"> 96</span></a> <span class="s2">"DATEADD"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">e</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span> <span class="ow">or</span> <span class="s2">"day"</span><span class="p">),</span> <span class="n">e</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">e</span><span class="o">.</span><span class="n">this</span> @@ -620,64 +625,68 @@ Default: "nulls_are_small"</li> </span><span id="Redshift.Generator-106"><a href="#Redshift.Generator-106"><span class="linenos">106</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">SortKeyProperty</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">e</span><span class="p">:</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'COMPOUND '</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">e</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s1">'compound'</span><span class="p">]</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="s1">''</span><span class="si">}</span><span class="s2">SORTKEY(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">format_args</span><span class="p">(</span><span class="o">*</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="p">)</span><span class="si">}</span><span class="s2">)"</span><span class="p">,</span> </span><span id="Redshift.Generator-107"><a href="#Redshift.Generator-107"><span class="linenos">107</span></a> <span class="p">}</span> </span><span id="Redshift.Generator-108"><a href="#Redshift.Generator-108"><span class="linenos">108</span></a> -</span><span id="Redshift.Generator-109"><a href="#Redshift.Generator-109"><span class="linenos">109</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> -</span><span id="Redshift.Generator-110"><a href="#Redshift.Generator-110"><span class="linenos">110</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-109"><a href="#Redshift.Generator-109"><span class="linenos">109</span></a> <span class="c1"># Postgres maps exp.Pivot to no_pivot_sql, but Redshift support pivots</span> +</span><span id="Redshift.Generator-110"><a href="#Redshift.Generator-110"><span class="linenos">110</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-111"><a href="#Redshift.Generator-111"><span class="linenos">111</span></a> -</span><span id="Redshift.Generator-112"><a href="#Redshift.Generator-112"><span class="linenos">112</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><span id="Redshift.Generator-113"><a href="#Redshift.Generator-113"><span class="linenos">113</span></a> -</span><span id="Redshift.Generator-114"><a href="#Redshift.Generator-114"><span class="linenos">114</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator-115"><a href="#Redshift.Generator-115"><span class="linenos">115</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift.Generator-116"><a href="#Redshift.Generator-116"><span class="linenos">116</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> -</span><span id="Redshift.Generator-117"><a href="#Redshift.Generator-117"><span class="linenos">117</span></a> -</span><span id="Redshift.Generator-118"><a href="#Redshift.Generator-118"><span class="linenos">118</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> -</span><span id="Redshift.Generator-119"><a href="#Redshift.Generator-119"><span class="linenos">119</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> -</span><span id="Redshift.Generator-120"><a href="#Redshift.Generator-120"><span class="linenos">120</span></a><span class="sd"> very slow.</span> -</span><span id="Redshift.Generator-121"><a href="#Redshift.Generator-121"><span class="linenos">121</span></a><span class="sd"> """</span> -</span><span id="Redshift.Generator-122"><a href="#Redshift.Generator-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> -</span><span id="Redshift.Generator-123"><a href="#Redshift.Generator-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="Redshift.Generator-124"><a href="#Redshift.Generator-124"><span class="linenos">124</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> -</span><span id="Redshift.Generator-125"><a href="#Redshift.Generator-125"><span class="linenos">125</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift.Generator-126"><a href="#Redshift.Generator-126"><span class="linenos">126</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> -</span><span id="Redshift.Generator-127"><a href="#Redshift.Generator-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> -</span><span id="Redshift.Generator-128"><a href="#Redshift.Generator-128"><span class="linenos">128</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="Redshift.Generator-129"><a href="#Redshift.Generator-129"><span class="linenos">129</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> -</span><span id="Redshift.Generator-130"><a href="#Redshift.Generator-130"><span class="linenos">130</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> -</span><span id="Redshift.Generator-131"><a href="#Redshift.Generator-131"><span class="linenos">131</span></a> <span class="p">]</span> -</span><span id="Redshift.Generator-132"><a href="#Redshift.Generator-132"><span class="linenos">132</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> -</span><span id="Redshift.Generator-133"><a href="#Redshift.Generator-133"><span class="linenos">133</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="Redshift.Generator-134"><a href="#Redshift.Generator-134"><span class="linenos">134</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Redshift.Generator-135"><a href="#Redshift.Generator-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="Redshift.Generator-136"><a href="#Redshift.Generator-136"><span class="linenos">136</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="Redshift.Generator-137"><a href="#Redshift.Generator-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> -</span><span id="Redshift.Generator-138"><a href="#Redshift.Generator-138"><span class="linenos">138</span></a> -</span><span id="Redshift.Generator-139"><a href="#Redshift.Generator-139"><span class="linenos">139</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-140"><a href="#Redshift.Generator-140"><span class="linenos">140</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-141"><a href="#Redshift.Generator-141"><span class="linenos">141</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-142"><a href="#Redshift.Generator-142"><span class="linenos">142</span></a> -</span><span id="Redshift.Generator-143"><a href="#Redshift.Generator-143"><span class="linenos">143</span></a> <span class="k">def</span> <span class="nf">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator-144"><a href="#Redshift.Generator-144"><span class="linenos">144</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> -</span><span id="Redshift.Generator-145"><a href="#Redshift.Generator-145"><span class="linenos">145</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift.Generator-146"><a href="#Redshift.Generator-146"><span class="linenos">146</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="Redshift.Generator-147"><a href="#Redshift.Generator-147"><span class="linenos">147</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> -</span><span id="Redshift.Generator-148"><a href="#Redshift.Generator-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> -</span><span id="Redshift.Generator-149"><a href="#Redshift.Generator-149"><span class="linenos">149</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="Redshift.Generator-150"><a href="#Redshift.Generator-150"><span class="linenos">150</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="Redshift.Generator-151"><a href="#Redshift.Generator-151"><span class="linenos">151</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> -</span><span id="Redshift.Generator-152"><a href="#Redshift.Generator-152"><span class="linenos">152</span></a> -</span><span id="Redshift.Generator-153"><a href="#Redshift.Generator-153"><span class="linenos">153</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-154"><a href="#Redshift.Generator-154"><span class="linenos">154</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift.Generator-155"><a href="#Redshift.Generator-155"><span class="linenos">155</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-156"><a href="#Redshift.Generator-156"><span class="linenos">156</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-157"><a href="#Redshift.Generator-157"><span class="linenos">157</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-158"><a href="#Redshift.Generator-158"><span class="linenos">158</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="Redshift.Generator-159"><a href="#Redshift.Generator-159"><span class="linenos">159</span></a><span class="sd"> """</span> -</span><span id="Redshift.Generator-160"><a href="#Redshift.Generator-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> -</span><span id="Redshift.Generator-161"><a href="#Redshift.Generator-161"><span class="linenos">161</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift.Generator-162"><a href="#Redshift.Generator-162"><span class="linenos">162</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-163"><a href="#Redshift.Generator-163"><span class="linenos">163</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-164"><a href="#Redshift.Generator-164"><span class="linenos">164</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-165"><a href="#Redshift.Generator-165"><span class="linenos">165</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="Redshift.Generator-166"><a href="#Redshift.Generator-166"><span class="linenos">166</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-112"><a href="#Redshift.Generator-112"><span class="linenos">112</span></a> <span class="c1"># Redshift uses the POW | POWER (expr1, expr2) syntax instead of expr1 ^ expr2 (postgres)</span> +</span><span id="Redshift.Generator-113"><a href="#Redshift.Generator-113"><span class="linenos">113</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-114"><a href="#Redshift.Generator-114"><span class="linenos">114</span></a> +</span><span id="Redshift.Generator-115"><a href="#Redshift.Generator-115"><span class="linenos">115</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-116"><a href="#Redshift.Generator-116"><span class="linenos">116</span></a> +</span><span id="Redshift.Generator-117"><a href="#Redshift.Generator-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator-118"><a href="#Redshift.Generator-118"><span class="linenos">118</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator-119"><a href="#Redshift.Generator-119"><span class="linenos">119</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="Redshift.Generator-120"><a href="#Redshift.Generator-120"><span class="linenos">120</span></a> +</span><span id="Redshift.Generator-121"><a href="#Redshift.Generator-121"><span class="linenos">121</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="Redshift.Generator-122"><a href="#Redshift.Generator-122"><span class="linenos">122</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="Redshift.Generator-123"><a href="#Redshift.Generator-123"><span class="linenos">123</span></a><span class="sd"> very slow.</span> +</span><span id="Redshift.Generator-124"><a href="#Redshift.Generator-124"><span class="linenos">124</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator-125"><a href="#Redshift.Generator-125"><span class="linenos">125</span></a> +</span><span id="Redshift.Generator-126"><a href="#Redshift.Generator-126"><span class="linenos">126</span></a> <span class="c1"># The VALUES clause is still valid in an `INSERT INTO ..` statement, for example</span> +</span><span id="Redshift.Generator-127"><a href="#Redshift.Generator-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> +</span><span id="Redshift.Generator-128"><a href="#Redshift.Generator-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift.Generator-129"><a href="#Redshift.Generator-129"><span class="linenos">129</span></a> +</span><span id="Redshift.Generator-130"><a href="#Redshift.Generator-130"><span class="linenos">130</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span> +</span><span id="Redshift.Generator-131"><a href="#Redshift.Generator-131"><span class="linenos">131</span></a> +</span><span id="Redshift.Generator-132"><a href="#Redshift.Generator-132"><span class="linenos">132</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Generator-133"><a href="#Redshift.Generator-133"><span class="linenos">133</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="Redshift.Generator-134"><a href="#Redshift.Generator-134"><span class="linenos">134</span></a> +</span><span id="Redshift.Generator-135"><a href="#Redshift.Generator-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="Redshift.Generator-136"><a href="#Redshift.Generator-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">column_names</span><span class="p">:</span> +</span><span id="Redshift.Generator-137"><a href="#Redshift.Generator-137"><span class="linenos">137</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Redshift.Generator-138"><a href="#Redshift.Generator-138"><span class="linenos">138</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="Redshift.Generator-139"><a href="#Redshift.Generator-139"><span class="linenos">139</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">column_names</span><span class="p">)</span> +</span><span id="Redshift.Generator-140"><a href="#Redshift.Generator-140"><span class="linenos">140</span></a> <span class="p">]</span> +</span><span id="Redshift.Generator-141"><a href="#Redshift.Generator-141"><span class="linenos">141</span></a> +</span><span id="Redshift.Generator-142"><a href="#Redshift.Generator-142"><span class="linenos">142</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="Redshift.Generator-143"><a href="#Redshift.Generator-143"><span class="linenos">143</span></a> +</span><span id="Redshift.Generator-144"><a href="#Redshift.Generator-144"><span class="linenos">144</span></a> <span class="n">subquery_expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="Redshift.Generator-145"><a href="#Redshift.Generator-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Redshift.Generator-146"><a href="#Redshift.Generator-146"><span class="linenos">146</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Redshift.Generator-147"><a href="#Redshift.Generator-147"><span class="linenos">147</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="Redshift.Generator-148"><a href="#Redshift.Generator-148"><span class="linenos">148</span></a> +</span><span id="Redshift.Generator-149"><a href="#Redshift.Generator-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="Redshift.Generator-150"><a href="#Redshift.Generator-150"><span class="linenos">150</span></a> +</span><span id="Redshift.Generator-151"><a href="#Redshift.Generator-151"><span class="linenos">151</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-152"><a href="#Redshift.Generator-152"><span class="linenos">152</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-153"><a href="#Redshift.Generator-153"><span class="linenos">153</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-154"><a href="#Redshift.Generator-154"><span class="linenos">154</span></a> +</span><span id="Redshift.Generator-155"><a href="#Redshift.Generator-155"><span class="linenos">155</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-156"><a href="#Redshift.Generator-156"><span class="linenos">156</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator-157"><a href="#Redshift.Generator-157"><span class="linenos">157</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-158"><a href="#Redshift.Generator-158"><span class="linenos">158</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-159"><a href="#Redshift.Generator-159"><span class="linenos">159</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-160"><a href="#Redshift.Generator-160"><span class="linenos">160</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift.Generator-161"><a href="#Redshift.Generator-161"><span class="linenos">161</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator-162"><a href="#Redshift.Generator-162"><span class="linenos">162</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="Redshift.Generator-163"><a href="#Redshift.Generator-163"><span class="linenos">163</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Generator-164"><a href="#Redshift.Generator-164"><span class="linenos">164</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-165"><a href="#Redshift.Generator-165"><span class="linenos">165</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-166"><a href="#Redshift.Generator-166"><span class="linenos">166</span></a> +</span><span id="Redshift.Generator-167"><a href="#Redshift.Generator-167"><span class="linenos">167</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-168"><a href="#Redshift.Generator-168"><span class="linenos">168</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift.Generator-169"><a href="#Redshift.Generator-169"><span class="linenos">169</span></a> +</span><span id="Redshift.Generator-170"><a href="#Redshift.Generator-170"><span class="linenos">170</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> @@ -694,6 +703,14 @@ represents a python time format and the output the target time format</li> <li><strong>quote_end (str):</strong> specifies which ending character to use to delimit quotes. Default: '.</li> <li><strong>identifier_start (str):</strong> specifies which starting character to use to delimit identifiers. Default: ".</li> <li><strong>identifier_end (str):</strong> specifies which ending character to use to delimit identifiers. Default: ".</li> +<li><strong>bit_start (str):</strong> specifies which starting character to use to delimit bit literals. Default: None.</li> +<li><strong>bit_end (str):</strong> specifies which ending character to use to delimit bit literals. Default: None.</li> +<li><strong>hex_start (str):</strong> specifies which starting character to use to delimit hex literals. Default: None.</li> +<li><strong>hex_end (str):</strong> specifies which ending character to use to delimit hex literals. Default: None.</li> +<li><strong>byte_start (str):</strong> specifies which starting character to use to delimit byte literals. Default: None.</li> +<li><strong>byte_end (str):</strong> specifies which ending character to use to delimit byte literals. Default: None.</li> +<li><strong>raw_start (str):</strong> specifies which starting character to use to delimit raw literals. Default: None.</li> +<li><strong>raw_end (str):</strong> specifies which ending character to use to delimit raw literals. Default: None.</li> <li><strong>identify (bool | str):</strong> 'always': always quote, 'safe': quote identifiers if they don't contain an upcase, True defaults to always.</li> <li><strong>normalize (bool):</strong> if set to True all identifiers will lower cased</li> <li><strong>string_escape (str):</strong> specifies a string escape character. Default: '.</li> @@ -736,30 +753,39 @@ Default: True</li> </div> <a class="headerlink" href="#Redshift.Generator.values_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.values_sql-114"><a href="#Redshift.Generator.values_sql-114"><span class="linenos">114</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator.values_sql-115"><a href="#Redshift.Generator.values_sql-115"><span class="linenos">115</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift.Generator.values_sql-116"><a href="#Redshift.Generator.values_sql-116"><span class="linenos">116</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> -</span><span id="Redshift.Generator.values_sql-117"><a href="#Redshift.Generator.values_sql-117"><span class="linenos">117</span></a> -</span><span id="Redshift.Generator.values_sql-118"><a href="#Redshift.Generator.values_sql-118"><span class="linenos">118</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> -</span><span id="Redshift.Generator.values_sql-119"><a href="#Redshift.Generator.values_sql-119"><span class="linenos">119</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> -</span><span id="Redshift.Generator.values_sql-120"><a href="#Redshift.Generator.values_sql-120"><span class="linenos">120</span></a><span class="sd"> very slow.</span> -</span><span id="Redshift.Generator.values_sql-121"><a href="#Redshift.Generator.values_sql-121"><span class="linenos">121</span></a><span class="sd"> """</span> -</span><span id="Redshift.Generator.values_sql-122"><a href="#Redshift.Generator.values_sql-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">):</span> -</span><span id="Redshift.Generator.values_sql-123"><a href="#Redshift.Generator.values_sql-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="Redshift.Generator.values_sql-124"><a href="#Redshift.Generator.values_sql-124"><span class="linenos">124</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> -</span><span id="Redshift.Generator.values_sql-125"><a href="#Redshift.Generator.values_sql-125"><span class="linenos">125</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="Redshift.Generator.values_sql-126"><a href="#Redshift.Generator.values_sql-126"><span class="linenos">126</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> -</span><span id="Redshift.Generator.values_sql-127"><a href="#Redshift.Generator.values_sql-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">:</span> -</span><span id="Redshift.Generator.values_sql-128"><a href="#Redshift.Generator.values_sql-128"><span class="linenos">128</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="Redshift.Generator.values_sql-129"><a href="#Redshift.Generator.values_sql-129"><span class="linenos">129</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> -</span><span id="Redshift.Generator.values_sql-130"><a href="#Redshift.Generator.values_sql-130"><span class="linenos">130</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"columns"</span><span class="p">])</span> -</span><span id="Redshift.Generator.values_sql-131"><a href="#Redshift.Generator.values_sql-131"><span class="linenos">131</span></a> <span class="p">]</span> -</span><span id="Redshift.Generator.values_sql-132"><a href="#Redshift.Generator.values_sql-132"><span class="linenos">132</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> -</span><span id="Redshift.Generator.values_sql-133"><a href="#Redshift.Generator.values_sql-133"><span class="linenos">133</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="Redshift.Generator.values_sql-134"><a href="#Redshift.Generator.values_sql-134"><span class="linenos">134</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Redshift.Generator.values_sql-135"><a href="#Redshift.Generator.values_sql-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="Redshift.Generator.values_sql-136"><a href="#Redshift.Generator.values_sql-136"><span class="linenos">136</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="Redshift.Generator.values_sql-137"><a href="#Redshift.Generator.values_sql-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.values_sql-117"><a href="#Redshift.Generator.values_sql-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">values_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Redshift.Generator.values_sql-118"><a href="#Redshift.Generator.values_sql-118"><span class="linenos">118</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator.values_sql-119"><a href="#Redshift.Generator.values_sql-119"><span class="linenos">119</span></a><span class="sd"> Converts `VALUES...` expression into a series of unions.</span> +</span><span id="Redshift.Generator.values_sql-120"><a href="#Redshift.Generator.values_sql-120"><span class="linenos">120</span></a> +</span><span id="Redshift.Generator.values_sql-121"><a href="#Redshift.Generator.values_sql-121"><span class="linenos">121</span></a><span class="sd"> Note: If you have a lot of unions then this will result in a large number of recursive statements to</span> +</span><span id="Redshift.Generator.values_sql-122"><a href="#Redshift.Generator.values_sql-122"><span class="linenos">122</span></a><span class="sd"> evaluate the expression. You may need to increase `sys.setrecursionlimit` to run and it can also be</span> +</span><span id="Redshift.Generator.values_sql-123"><a href="#Redshift.Generator.values_sql-123"><span class="linenos">123</span></a><span class="sd"> very slow.</span> +</span><span id="Redshift.Generator.values_sql-124"><a href="#Redshift.Generator.values_sql-124"><span class="linenos">124</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator.values_sql-125"><a href="#Redshift.Generator.values_sql-125"><span class="linenos">125</span></a> +</span><span id="Redshift.Generator.values_sql-126"><a href="#Redshift.Generator.values_sql-126"><span class="linenos">126</span></a> <span class="c1"># The VALUES clause is still valid in an `INSERT INTO ..` statement, for example</span> +</span><span id="Redshift.Generator.values_sql-127"><a href="#Redshift.Generator.values_sql-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> +</span><span id="Redshift.Generator.values_sql-128"><a href="#Redshift.Generator.values_sql-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">values_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-129"><a href="#Redshift.Generator.values_sql-129"><span class="linenos">129</span></a> +</span><span id="Redshift.Generator.values_sql-130"><a href="#Redshift.Generator.values_sql-130"><span class="linenos">130</span></a> <span class="n">column_names</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">alias</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"alias"</span><span class="p">]</span><span class="o">.</span><span class="n">columns</span> +</span><span id="Redshift.Generator.values_sql-131"><a href="#Redshift.Generator.values_sql-131"><span class="linenos">131</span></a> +</span><span id="Redshift.Generator.values_sql-132"><a href="#Redshift.Generator.values_sql-132"><span class="linenos">132</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="Redshift.Generator.values_sql-133"><a href="#Redshift.Generator.values_sql-133"><span class="linenos">133</span></a> <span class="n">rows</span> <span class="o">=</span> <span class="p">[</span><span class="n">tuple_exp</span><span class="o">.</span><span class="n">expressions</span> <span class="k">for</span> <span class="n">tuple_exp</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="Redshift.Generator.values_sql-134"><a href="#Redshift.Generator.values_sql-134"><span class="linenos">134</span></a> +</span><span id="Redshift.Generator.values_sql-135"><a href="#Redshift.Generator.values_sql-135"><span class="linenos">135</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">):</span> +</span><span id="Redshift.Generator.values_sql-136"><a href="#Redshift.Generator.values_sql-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">column_names</span><span class="p">:</span> +</span><span id="Redshift.Generator.values_sql-137"><a href="#Redshift.Generator.values_sql-137"><span class="linenos">137</span></a> <span class="n">row</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="Redshift.Generator.values_sql-138"><a href="#Redshift.Generator.values_sql-138"><span class="linenos">138</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">column_name</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-139"><a href="#Redshift.Generator.values_sql-139"><span class="linenos">139</span></a> <span class="k">for</span> <span class="n">value</span><span class="p">,</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">row</span><span class="p">,</span> <span class="n">column_names</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-140"><a href="#Redshift.Generator.values_sql-140"><span class="linenos">140</span></a> <span class="p">]</span> +</span><span id="Redshift.Generator.values_sql-141"><a href="#Redshift.Generator.values_sql-141"><span class="linenos">141</span></a> +</span><span id="Redshift.Generator.values_sql-142"><a href="#Redshift.Generator.values_sql-142"><span class="linenos">142</span></a> <span class="n">selects</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">row</span><span class="p">))</span> +</span><span id="Redshift.Generator.values_sql-143"><a href="#Redshift.Generator.values_sql-143"><span class="linenos">143</span></a> +</span><span id="Redshift.Generator.values_sql-144"><a href="#Redshift.Generator.values_sql-144"><span class="linenos">144</span></a> <span class="n">subquery_expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Union</span> <span class="o">=</span> <span class="n">selects</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="Redshift.Generator.values_sql-145"><a href="#Redshift.Generator.values_sql-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">selects</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Redshift.Generator.values_sql-146"><a href="#Redshift.Generator.values_sql-146"><span class="linenos">146</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Redshift.Generator.values_sql-147"><a href="#Redshift.Generator.values_sql-147"><span class="linenos">147</span></a> <span class="n">subquery_expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">subquery_expression</span><span class="p">,</span> <span class="n">select</span><span class="p">,</span> <span class="n">distinct</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="Redshift.Generator.values_sql-148"><a href="#Redshift.Generator.values_sql-148"><span class="linenos">148</span></a> +</span><span id="Redshift.Generator.values_sql-149"><a href="#Redshift.Generator.values_sql-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">subquery_sql</span><span class="p">(</span><span class="n">subquery_expression</span><span class="o">.</span><span class="n">subquery</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> </span></pre></div> @@ -783,9 +809,9 @@ very slow.</p> </div> <a class="headerlink" href="#Redshift.Generator.with_properties"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.with_properties-139"><a href="#Redshift.Generator.with_properties-139"><span class="linenos">139</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-140"><a href="#Redshift.Generator.with_properties-140"><span class="linenos">140</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-141"><a href="#Redshift.Generator.with_properties-141"><span class="linenos">141</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-151"><a href="#Redshift.Generator.with_properties-151"><span class="linenos">151</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-152"><a href="#Redshift.Generator.with_properties-152"><span class="linenos">152</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-153"><a href="#Redshift.Generator.with_properties-153"><span class="linenos">153</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> @@ -794,34 +820,6 @@ very slow.</p> </div> - <div id="Redshift.Generator.renametable_sql" class="classattr"> - <input id="Redshift.Generator.renametable_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> -<div class="attr function"> - - <span class="def">def</span> - <span class="name">renametable_sql</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">self</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="n"><a href="../expressions.html#RenameTable">sqlglot.expressions.RenameTable</a></span></span><span class="return-annotation">) -> <span class="nb">str</span>:</span></span> - - <label class="view-source-button" for="Redshift.Generator.renametable_sql-view-source"><span>View Source</span></label> - - </div> - <a class="headerlink" href="#Redshift.Generator.renametable_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.renametable_sql-143"><a href="#Redshift.Generator.renametable_sql-143"><span class="linenos">143</span></a> <span class="k">def</span> <span class="nf">renametable_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">RenameTable</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Redshift.Generator.renametable_sql-144"><a href="#Redshift.Generator.renametable_sql-144"><span class="linenos">144</span></a><span class="w"> </span><span class="sd">"""Redshift only supports defining the table name itself (not the db) when renaming tables"""</span> -</span><span id="Redshift.Generator.renametable_sql-145"><a href="#Redshift.Generator.renametable_sql-145"><span class="linenos">145</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift.Generator.renametable_sql-146"><a href="#Redshift.Generator.renametable_sql-146"><span class="linenos">146</span></a> <span class="n">target_table</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="Redshift.Generator.renametable_sql-147"><a href="#Redshift.Generator.renametable_sql-147"><span class="linenos">147</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">target_table</span><span class="o">.</span><span class="n">args</span><span class="p">:</span> -</span><span id="Redshift.Generator.renametable_sql-148"><a href="#Redshift.Generator.renametable_sql-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s2">"this"</span><span class="p">:</span> -</span><span id="Redshift.Generator.renametable_sql-149"><a href="#Redshift.Generator.renametable_sql-149"><span class="linenos">149</span></a> <span class="n">target_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="n">arg</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="Redshift.Generator.renametable_sql-150"><a href="#Redshift.Generator.renametable_sql-150"><span class="linenos">150</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="Redshift.Generator.renametable_sql-151"><a href="#Redshift.Generator.renametable_sql-151"><span class="linenos">151</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"RENAME TO </span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">"</span> -</span></pre></div> - - - <div class="docstring"><p>Redshift only supports defining the table name itself (not the db) when renaming tables</p> -</div> - - - </div> <div id="Redshift.Generator.datatype_sql" class="classattr"> <input id="Redshift.Generator.datatype_sql-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> <div class="attr function"> @@ -833,20 +831,22 @@ very slow.</p> </div> <a class="headerlink" href="#Redshift.Generator.datatype_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Redshift.Generator.datatype_sql-153"><a href="#Redshift.Generator.datatype_sql-153"><span class="linenos">153</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-154"><a href="#Redshift.Generator.datatype_sql-154"><span class="linenos">154</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Redshift.Generator.datatype_sql-155"><a href="#Redshift.Generator.datatype_sql-155"><span class="linenos">155</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-156"><a href="#Redshift.Generator.datatype_sql-156"><span class="linenos">156</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-157"><a href="#Redshift.Generator.datatype_sql-157"><span class="linenos">157</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-158"><a href="#Redshift.Generator.datatype_sql-158"><span class="linenos">158</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> -</span><span id="Redshift.Generator.datatype_sql-159"><a href="#Redshift.Generator.datatype_sql-159"><span class="linenos">159</span></a><span class="sd"> """</span> -</span><span id="Redshift.Generator.datatype_sql-160"><a href="#Redshift.Generator.datatype_sql-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> -</span><span id="Redshift.Generator.datatype_sql-161"><a href="#Redshift.Generator.datatype_sql-161"><span class="linenos">161</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="Redshift.Generator.datatype_sql-162"><a href="#Redshift.Generator.datatype_sql-162"><span class="linenos">162</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-163"><a href="#Redshift.Generator.datatype_sql-163"><span class="linenos">163</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-164"><a href="#Redshift.Generator.datatype_sql-164"><span class="linenos">164</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-165"><a href="#Redshift.Generator.datatype_sql-165"><span class="linenos">165</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> -</span><span id="Redshift.Generator.datatype_sql-166"><a href="#Redshift.Generator.datatype_sql-166"><span class="linenos">166</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-155"><a href="#Redshift.Generator.datatype_sql-155"><span class="linenos">155</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-156"><a href="#Redshift.Generator.datatype_sql-156"><span class="linenos">156</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Redshift.Generator.datatype_sql-157"><a href="#Redshift.Generator.datatype_sql-157"><span class="linenos">157</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-158"><a href="#Redshift.Generator.datatype_sql-158"><span class="linenos">158</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-159"><a href="#Redshift.Generator.datatype_sql-159"><span class="linenos">159</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-160"><a href="#Redshift.Generator.datatype_sql-160"><span class="linenos">160</span></a><span class="sd"> `TEXT` to `VARCHAR`.</span> +</span><span id="Redshift.Generator.datatype_sql-161"><a href="#Redshift.Generator.datatype_sql-161"><span class="linenos">161</span></a><span class="sd"> """</span> +</span><span id="Redshift.Generator.datatype_sql-162"><a href="#Redshift.Generator.datatype_sql-162"><span class="linenos">162</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">TEXT</span><span class="p">:</span> +</span><span id="Redshift.Generator.datatype_sql-163"><a href="#Redshift.Generator.datatype_sql-163"><span class="linenos">163</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="Redshift.Generator.datatype_sql-164"><a href="#Redshift.Generator.datatype_sql-164"><span class="linenos">164</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-165"><a href="#Redshift.Generator.datatype_sql-165"><span class="linenos">165</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-166"><a href="#Redshift.Generator.datatype_sql-166"><span class="linenos">166</span></a> +</span><span id="Redshift.Generator.datatype_sql-167"><a href="#Redshift.Generator.datatype_sql-167"><span class="linenos">167</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-168"><a href="#Redshift.Generator.datatype_sql-168"><span class="linenos">168</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Var</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="s2">"MAX"</span><span class="p">))</span> +</span><span id="Redshift.Generator.datatype_sql-169"><a href="#Redshift.Generator.datatype_sql-169"><span class="linenos">169</span></a> +</span><span id="Redshift.Generator.datatype_sql-170"><a href="#Redshift.Generator.datatype_sql-170"><span class="linenos">170</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> @@ -888,6 +888,7 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.primarykeycolumnconstraint_sql" class="function"><a href="../generator.html#Generator.primarykeycolumnconstraint_sql">primarykeycolumnconstraint_sql</a></dd> <dd id="Redshift.Generator.uniquecolumnconstraint_sql" class="function"><a href="../generator.html#Generator.uniquecolumnconstraint_sql">uniquecolumnconstraint_sql</a></dd> <dd id="Redshift.Generator.create_sql" class="function"><a href="../generator.html#Generator.create_sql">create_sql</a></dd> + <dd id="Redshift.Generator.clone_sql" class="function"><a href="../generator.html#Generator.clone_sql">clone_sql</a></dd> <dd id="Redshift.Generator.describe_sql" class="function"><a href="../generator.html#Generator.describe_sql">describe_sql</a></dd> <dd id="Redshift.Generator.prepend_ctes" class="function"><a href="../generator.html#Generator.prepend_ctes">prepend_ctes</a></dd> <dd id="Redshift.Generator.with_sql" class="function"><a href="../generator.html#Generator.with_sql">with_sql</a></dd> @@ -896,6 +897,8 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.bitstring_sql" class="function"><a href="../generator.html#Generator.bitstring_sql">bitstring_sql</a></dd> <dd id="Redshift.Generator.hexstring_sql" class="function"><a href="../generator.html#Generator.hexstring_sql">hexstring_sql</a></dd> <dd id="Redshift.Generator.bytestring_sql" class="function"><a href="../generator.html#Generator.bytestring_sql">bytestring_sql</a></dd> + <dd id="Redshift.Generator.rawstring_sql" class="function"><a href="../generator.html#Generator.rawstring_sql">rawstring_sql</a></dd> + <dd id="Redshift.Generator.datatypesize_sql" class="function"><a href="../generator.html#Generator.datatypesize_sql">datatypesize_sql</a></dd> <dd id="Redshift.Generator.directory_sql" class="function"><a href="../generator.html#Generator.directory_sql">directory_sql</a></dd> <dd id="Redshift.Generator.delete_sql" class="function"><a href="../generator.html#Generator.delete_sql">delete_sql</a></dd> <dd id="Redshift.Generator.drop_sql" class="function"><a href="../generator.html#Generator.drop_sql">drop_sql</a></dd> @@ -918,7 +921,6 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.fallbackproperty_sql" class="function"><a href="../generator.html#Generator.fallbackproperty_sql">fallbackproperty_sql</a></dd> <dd id="Redshift.Generator.journalproperty_sql" class="function"><a href="../generator.html#Generator.journalproperty_sql">journalproperty_sql</a></dd> <dd id="Redshift.Generator.freespaceproperty_sql" class="function"><a href="../generator.html#Generator.freespaceproperty_sql">freespaceproperty_sql</a></dd> - <dd id="Redshift.Generator.afterjournalproperty_sql" class="function"><a href="../generator.html#Generator.afterjournalproperty_sql">afterjournalproperty_sql</a></dd> <dd id="Redshift.Generator.checksumproperty_sql" class="function"><a href="../generator.html#Generator.checksumproperty_sql">checksumproperty_sql</a></dd> <dd id="Redshift.Generator.mergeblockratioproperty_sql" class="function"><a href="../generator.html#Generator.mergeblockratioproperty_sql">mergeblockratioproperty_sql</a></dd> <dd id="Redshift.Generator.datablocksizeproperty_sql" class="function"><a href="../generator.html#Generator.datablocksizeproperty_sql">datablocksizeproperty_sql</a></dd> @@ -964,10 +966,11 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.ordered_sql" class="function"><a href="../generator.html#Generator.ordered_sql">ordered_sql</a></dd> <dd id="Redshift.Generator.matchrecognize_sql" class="function"><a href="../generator.html#Generator.matchrecognize_sql">matchrecognize_sql</a></dd> <dd id="Redshift.Generator.query_modifiers" class="function"><a href="../generator.html#Generator.query_modifiers">query_modifiers</a></dd> + <dd id="Redshift.Generator.after_having_modifiers" class="function"><a href="../generator.html#Generator.after_having_modifiers">after_having_modifiers</a></dd> + <dd id="Redshift.Generator.after_limit_modifiers" class="function"><a href="../generator.html#Generator.after_limit_modifiers">after_limit_modifiers</a></dd> <dd id="Redshift.Generator.select_sql" class="function"><a href="../generator.html#Generator.select_sql">select_sql</a></dd> <dd id="Redshift.Generator.schema_sql" class="function"><a href="../generator.html#Generator.schema_sql">schema_sql</a></dd> <dd id="Redshift.Generator.star_sql" class="function"><a href="../generator.html#Generator.star_sql">star_sql</a></dd> - <dd id="Redshift.Generator.structkwarg_sql" class="function"><a href="../generator.html#Generator.structkwarg_sql">structkwarg_sql</a></dd> <dd id="Redshift.Generator.parameter_sql" class="function"><a href="../generator.html#Generator.parameter_sql">parameter_sql</a></dd> <dd id="Redshift.Generator.sessionparameter_sql" class="function"><a href="../generator.html#Generator.sessionparameter_sql">sessionparameter_sql</a></dd> <dd id="Redshift.Generator.placeholder_sql" class="function"><a href="../generator.html#Generator.placeholder_sql">placeholder_sql</a></dd> @@ -1000,6 +1003,8 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.matchagainst_sql" class="function"><a href="../generator.html#Generator.matchagainst_sql">matchagainst_sql</a></dd> <dd id="Redshift.Generator.jsonkeyvalue_sql" class="function"><a href="../generator.html#Generator.jsonkeyvalue_sql">jsonkeyvalue_sql</a></dd> <dd id="Redshift.Generator.jsonobject_sql" class="function"><a href="../generator.html#Generator.jsonobject_sql">jsonobject_sql</a></dd> + <dd id="Redshift.Generator.openjsoncolumndef_sql" class="function"><a href="../generator.html#Generator.openjsoncolumndef_sql">openjsoncolumndef_sql</a></dd> + <dd id="Redshift.Generator.openjson_sql" class="function"><a href="../generator.html#Generator.openjson_sql">openjson_sql</a></dd> <dd id="Redshift.Generator.in_sql" class="function"><a href="../generator.html#Generator.in_sql">in_sql</a></dd> <dd id="Redshift.Generator.in_unnest_op" class="function"><a href="../generator.html#Generator.in_unnest_op">in_unnest_op</a></dd> <dd id="Redshift.Generator.interval_sql" class="function"><a href="../generator.html#Generator.interval_sql">interval_sql</a></dd> @@ -1026,10 +1031,13 @@ without precision we convert it to <code>VARCHAR(max)</code> and if it does have <dd id="Redshift.Generator.collate_sql" class="function"><a href="../generator.html#Generator.collate_sql">collate_sql</a></dd> <dd id="Redshift.Generator.command_sql" class="function"><a href="../generator.html#Generator.command_sql">command_sql</a></dd> <dd id="Redshift.Generator.comment_sql" class="function"><a href="../generator.html#Generator.comment_sql">comment_sql</a></dd> + <dd id="Redshift.Generator.mergetreettlaction_sql" class="function"><a href="../generator.html#Generator.mergetreettlaction_sql">mergetreettlaction_sql</a></dd> + <dd id="Redshift.Generator.mergetreettl_sql" class="function"><a href="../generator.html#Generator.mergetreettl_sql">mergetreettl_sql</a></dd> <dd id="Redshift.Generator.transaction_sql" class="function"><a href="../generator.html#Generator.transaction_sql">transaction_sql</a></dd> <dd id="Redshift.Generator.commit_sql" class="function"><a href="../generator.html#Generator.commit_sql">commit_sql</a></dd> <dd id="Redshift.Generator.rollback_sql" class="function"><a href="../generator.html#Generator.rollback_sql">rollback_sql</a></dd> <dd id="Redshift.Generator.altercolumn_sql" class="function"><a href="../generator.html#Generator.altercolumn_sql">altercolumn_sql</a></dd> + <dd id="Redshift.Generator.renametable_sql" class="function"><a href="../generator.html#Generator.renametable_sql">renametable_sql</a></dd> <dd id="Redshift.Generator.altertable_sql" class="function"><a href="../generator.html#Generator.altertable_sql">altertable_sql</a></dd> <dd id="Redshift.Generator.droppartition_sql" class="function"><a href="../generator.html#Generator.droppartition_sql">droppartition_sql</a></dd> <dd id="Redshift.Generator.addconstraint_sql" class="function"><a href="../generator.html#Generator.addconstraint_sql">addconstraint_sql</a></dd> |