diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-06-22 18:53:31 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-06-22 18:53:31 +0000 |
commit | 20d090151fbc2e75394fc456f49f0078e59752d8 (patch) | |
tree | 084494962f092ff80f5ef8fdba1b917206abbc83 /docs/sqlglot/dialects/dialect.html | |
parent | Adding upstream version 16.2.1. (diff) | |
download | sqlglot-20d090151fbc2e75394fc456f49f0078e59752d8.tar.xz sqlglot-20d090151fbc2e75394fc456f49f0078e59752d8.zip |
Adding upstream version 16.4.0.upstream/16.4.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/sqlglot/dialects/dialect.html')
-rw-r--r-- | docs/sqlglot/dialects/dialect.html | 2246 |
1 files changed, 1267 insertions, 979 deletions
diff --git a/docs/sqlglot/dialects/dialect.html b/docs/sqlglot/dialects/dialect.html index e8e002d..74a0d0a 100644 --- a/docs/sqlglot/dialects/dialect.html +++ b/docs/sqlglot/dialects/dialect.html @@ -109,6 +109,18 @@ <a class="function" href="#Dialect.format_time">format_time</a> </li> <li> + <a class="function" href="#Dialect.normalize_identifier">normalize_identifier</a> + </li> + <li> + <a class="function" href="#Dialect.case_sensitive">case_sensitive</a> + </li> + <li> + <a class="function" href="#Dialect.can_identify">can_identify</a> + </li> + <li> + <a class="function" href="#Dialect.quote_identifier">quote_identifier</a> + </li> + <li> <a class="function" href="#Dialect.parse">parse</a> </li> <li> @@ -275,577 +287,639 @@ </span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="kn">from</span> <span class="nn">enum</span> <span class="kn">import</span> <span class="n">Enum</span> </span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a> </span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">exp</span> -</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot.generator</span> <span class="kn">import</span> <span class="n">Generator</span> -</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">flatten</span><span class="p">,</span> <span class="n">seq_get</span> -</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.parser</span> <span class="kn">import</span> <span class="n">Parser</span> -</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="kn">from</span> <span class="nn">sqlglot.time</span> <span class="kn">import</span> <span class="n">format_time</span> -</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">Token</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">,</span> <span class="n">TokenType</span> -</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a><span class="kn">from</span> <span class="nn">sqlglot.trie</span> <span class="kn">import</span> <span class="n">new_trie</span> -</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a> -</span><span id="L-14"><a href="#L-14"><span class="linenos"> 14</span></a><span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span> -</span><span id="L-15"><a href="#L-15"><span class="linenos"> 15</span></a> <span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span> -</span><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a> -</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> -</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a><span class="c1"># Only Snowflake is currently known to resolve unquoted identifiers as uppercase.</span> -</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a><span class="c1"># https://docs.snowflake.com/en/sql-reference/identifiers-syntax</span> -</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="o">=</span> <span class="p">{</span><span class="s2">"snowflake"</span><span class="p">}</span> -</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> -</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">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span> -</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span> -</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> -</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span> -</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span> -</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span> -</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span> -</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span> -</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span> -</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span> -</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span> -</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span> -</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span> -</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span> -</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span> -</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span> -</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">SPARK2</span> <span class="o">=</span> <span class="s2">"spark2"</span> -</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span> -</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span> -</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span> -</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span> -</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span> -</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span> -</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> -</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> -</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a><span class="k">class</span> <span class="nc">_Dialect</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span> -</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">classes</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> -</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> <span class="k">if</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="n">other</span><span class="p">:</span> -</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> <span class="k">return</span> <span class="kc">True</span> -</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="k">return</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> -</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="k">return</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">other</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="k">return</span> <span class="kc">False</span> +</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="kn">from</span> <span class="nn">sqlglot._typing</span> <span class="kn">import</span> <span class="n">E</span> +</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="kn">from</span> <span class="nn">sqlglot.generator</span> <span class="kn">import</span> <span class="n">Generator</span> +</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="kn">from</span> <span class="nn">sqlglot.helper</span> <span class="kn">import</span> <span class="n">flatten</span><span class="p">,</span> <span class="n">seq_get</span> +</span><span id="L-10"><a href="#L-10"><span class="linenos"> 10</span></a><span class="kn">from</span> <span class="nn">sqlglot.parser</span> <span class="kn">import</span> <span class="n">Parser</span> +</span><span id="L-11"><a href="#L-11"><span class="linenos"> 11</span></a><span class="kn">from</span> <span class="nn">sqlglot.time</span> <span class="kn">import</span> <span class="n">format_time</span> +</span><span id="L-12"><a href="#L-12"><span class="linenos"> 12</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">Token</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">,</span> <span class="n">TokenType</span> +</span><span id="L-13"><a href="#L-13"><span class="linenos"> 13</span></a><span class="kn">from</span> <span class="nn">sqlglot.trie</span> <span class="kn">import</span> <span class="n">new_trie</span> +</span><span id="L-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><span id="L-16"><a href="#L-16"><span class="linenos"> 16</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span> +</span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a> +</span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span> +</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span> +</span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span> +</span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span> +</span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">SPARK2</span> <span class="o">=</span> <span class="s2">"spark2"</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a><span class="k">class</span> <span class="nc">_Dialect</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">classes</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="k">if</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="n">other</span><span class="p">:</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="k">return</span> <span class="kc">True</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="k">return</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">other</span><span class="p">)</span> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="k">return</span> <span class="bp">cls</span> <span class="ow">is</span> <span class="nb">type</span><span class="p">(</span><span class="n">other</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="kc">False</span> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">cls</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="bp">cls</span><span class="o">.</span><span class="vm">__name__</span><span class="o">.</span><span class="n">lower</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="nd">@classmethod</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> </span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> -</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">cls</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> -</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="bp">cls</span><span class="o">.</span><span class="vm">__name__</span><span class="o">.</span><span class="n">lower</span><span class="p">())</span> -</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> -</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="nd">@classmethod</span> -</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> -</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> -</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> -</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="nd">@classmethod</span> -</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span> -</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]:</span> -</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span> -</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> -</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span> -</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">)</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">enum</span> <span class="o">=</span> <span class="n">Dialects</span><span class="o">.</span><span class="n">__members__</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">clsname</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">enum</span><span class="o">.</span><span class="n">value</span> <span class="k">if</span> <span class="n">enum</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">clsname</span><span class="o">.</span><span class="n">lower</span><span class="p">()]</span> <span class="o">=</span> <span class="n">klass</span> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="nd">@classmethod</span> +</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">def</span> <span class="nf">get</span><span class="p">(</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">key</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]]:</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">default</span><span class="p">)</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">):</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">clsname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">attrs</span><span class="p">)</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="n">enum</span> <span class="o">=</span> <span class="n">Dialects</span><span class="o">.</span><span class="n">__members__</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">clsname</span><span class="o">.</span><span class="n">upper</span><span class="p">())</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="bp">cls</span><span class="o">.</span><span class="n">classes</span><span class="p">[</span><span class="n">enum</span><span class="o">.</span><span class="n">value</span> <span class="k">if</span> <span class="n">enum</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">clsname</span><span class="o">.</span><span class="n">lower</span><span class="p">()]</span> <span class="o">=</span> <span class="n">klass</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_TRIE</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">)</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_TRIE</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_MAPPING</span><span class="p">)</span> <span class="k">if</span> <span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_MAPPING</span> <span class="k">else</span> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_TRIE</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="p">)</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="p">:</span> <span class="n">k</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="o">.</span><span class="n">items</span><span class="p">()}</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_TRIE</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_MAPPING</span><span class="p">)</span> </span><span id="L-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">klass</span><span class="o">.</span><span class="n">TIME_TRIE</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">)</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_TRIE</span> <span class="o">=</span> <span class="p">(</span> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_MAPPING</span><span class="p">)</span> <span class="k">if</span> <span class="n">klass</span><span class="o">.</span><span class="n">FORMAT_MAPPING</span> <span class="k">else</span> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_TRIE</span> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="p">)</span> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_MAPPING</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="p">:</span> <span class="n">k</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="o">.</span><span class="n">items</span><span class="p">()}</span> -</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_TRIE</span> <span class="o">=</span> <span class="n">new_trie</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">INVERSE_TIME_MAPPING</span><span class="p">)</span> -</span><span id="L-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">klass</span><span class="o">.</span><span class="n">tokenizer_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Tokenizer"</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">)</span> -</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Parser"</span><span class="p">,</span> <span class="n">Parser</span><span class="p">)</span> -</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Generator"</span><span class="p">,</span> <span class="n">Generator</span><span class="p">)</span> -</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> -</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">QUOTE_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">QUOTE_END</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_QUOTES</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">IDENTIFIER_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">IDENTIFIER_END</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_IDENTIFIERS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="p">)[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> -</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="k">def</span> <span class="nf">get_start_end</span><span class="p">(</span><span class="n">token_type</span><span class="p">:</span> <span class="n">TokenType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span> -</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="p">(</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">s</span><span class="p">,</span> <span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">t</span><span class="p">)</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_FORMAT_STRINGS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">if</span> <span class="n">t</span> <span class="o">==</span> <span class="n">token_type</span> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="p">),</span> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">),</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="p">)</span> -</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">BIT_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">BIT_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">BIT_STRING</span><span class="p">)</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">HEX_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">HEX_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">HEX_STRING</span><span class="p">)</span> -</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">BYTE_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">BYTE_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">BYTE_STRING</span><span class="p">)</span> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">RAW_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">RAW_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">RAW_STRING</span><span class="p">)</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">dialect_properties</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="o">**</span><span class="p">{</span> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">k</span><span class="p">:</span> <span class="n">v</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">vars</span><span class="p">(</span><span class="n">klass</span><span class="p">)</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">callable</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="nb">classmethod</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">k</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">"__"</span><span class="p">)</span> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="p">},</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="s2">"STRING_ESCAPE"</span><span class="p">:</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">STRING_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="s2">"IDENTIFIER_ESCAPE"</span><span class="p">:</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">IDENTIFIER_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="p">}</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="c1"># Pass required dialect properties to the tokenizer, parser and generator classes</span> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">for</span> <span class="n">subclass</span> <span class="ow">in</span> <span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="p">):</span> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">dialect_properties</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">subclass</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="nb">setattr</span><span class="p">(</span><span class="n">subclass</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> -</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">klass</span><span class="o">.</span><span class="n">STRICT_STRING_CONCAT</span><span class="p">:</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span><span class="o">.</span><span class="n">BITWISE</span><span class="p">[</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DPIPE</span><span class="p">]</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDPipe</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Tokenizer"</span><span class="p">,</span> <span class="n">Tokenizer</span><span class="p">)</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Parser"</span><span class="p">,</span> <span class="n">Parser</span><span class="p">)</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">klass</span><span class="p">,</span> <span class="s2">"Generator"</span><span class="p">,</span> <span class="n">Generator</span><span class="p">)</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">QUOTE_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">QUOTE_END</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_QUOTES</span><span class="o">.</span><span class="n">items</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">IDENTIFIER_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">IDENTIFIER_END</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_IDENTIFIERS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="p">)[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">def</span> <span class="nf">get_start_end</span><span class="p">(</span><span class="n">token_type</span><span class="p">:</span> <span class="n">TokenType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="k">return</span> <span class="nb">next</span><span class="p">(</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="p">(</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="k">for</span> <span class="n">s</span><span class="p">,</span> <span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="n">t</span><span class="p">)</span> <span class="ow">in</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">_FORMAT_STRINGS</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="n">t</span> <span class="o">==</span> <span class="n">token_type</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="p">),</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">),</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="p">)</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">BIT_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">BIT_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">BIT_STRING</span><span class="p">)</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">HEX_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">HEX_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">HEX_STRING</span><span class="p">)</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">BYTE_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">BYTE_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">BYTE_STRING</span><span class="p">)</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">RAW_START</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">RAW_END</span> <span class="o">=</span> <span class="n">get_start_end</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">RAW_STRING</span><span class="p">)</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">dialect_properties</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="o">**</span><span class="p">{</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">k</span><span class="p">:</span> <span class="n">v</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="nb">vars</span><span class="p">(</span><span class="n">klass</span><span class="p">)</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">callable</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="nb">classmethod</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">k</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">"__"</span><span class="p">)</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="p">},</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="s2">"STRING_ESCAPE"</span><span class="p">:</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">STRING_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="s2">"IDENTIFIER_ESCAPE"</span><span class="p">:</span> <span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="o">.</span><span class="n">IDENTIFIER_ESCAPES</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <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">if</span> <span class="n">enum</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">""</span><span class="p">,</span> <span class="s2">"bigquery"</span><span class="p">):</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">dialect_properties</span><span class="p">[</span><span class="s2">"SELECT_KINDS"</span><span class="p">]</span> <span class="o">=</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="c1"># Pass required dialect properties to the tokenizer, parser and generator classes</span> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">for</span> <span class="n">subclass</span> <span class="ow">in</span> <span class="p">(</span><span class="n">klass</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span><span class="p">,</span> <span class="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="p">):</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">dialect_properties</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">subclass</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="nb">setattr</span><span class="p">(</span><span class="n">subclass</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">klass</span><span class="o">.</span><span class="n">STRICT_STRING_CONCAT</span><span class="p">:</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="n">klass</span><span class="o">.</span><span class="n">parser_class</span><span class="o">.</span><span class="n">BITWISE</span><span class="p">[</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DPIPE</span><span class="p">]</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDPipe</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="n">klass</span><span class="o">.</span><span class="n">generator_class</span><span class="o">.</span><span class="n">can_identify</span> <span class="o">=</span> <span class="n">klass</span><span class="o">.</span><span class="n">can_identify</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">return</span> <span class="n">klass</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="k">return</span> <span class="n">klass</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><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="c1"># Determines the base index offset for arrays</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="c1"># If true unnest table aliases are considered only as column aliases</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">UNNEST_COLUMN_ONLY</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="c1"># Determines whether or not the table alias comes after tablesample</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="n">ALIAS_POST_TABLESAMPLE</span> <span class="o">=</span> <span class="kc">False</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="c1"># Determines whether or not an unquoted identifier can start with a digit</span> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="n">IDENTIFIERS_CAN_START_WITH_DIGIT</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="c1"># Determines whether or not CONCAT's arguments must be strings</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="n">STRICT_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">False</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="c1"># Determines how function names are going to be normalized</span> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">NORMALIZE_FUNCTIONS</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"upper"</span> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="c1"># Indicates the default null ordering method to use if not explicitly set</span> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="c1"># Options are: "nulls_are_small", "nulls_are_large", "nulls_are_last"</span> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">NULL_ORDERING</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> -</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">DATE_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span> -</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="n">DATEINT_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span> -</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="c1"># Custom time mappings in which the key represents dialect time format</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="c1"># and the value represents a python time format</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/reference/standard-sql/format-elements#format_model_rules_date_time</span> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="c1"># https://docs.teradata.com/r/Teradata-Database-SQL-Functions-Operators-Expressions-and-Predicates/March-2017/Data-Type-Conversions/Character-to-DATE-Conversion/Forcing-a-FORMAT-on-CAST-for-Converting-Character-to-DATE</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="c1"># special syntax cast(x as date format 'yyyy') defaults to time_mapping</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">FORMAT_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> -</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="c1"># Autofilled</span> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="n">Tokenizer</span> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="n">Parser</span> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="n">Generator</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="c1"># A trie of the time_mapping keys</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">FORMAT_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">INVERSE_TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">INVERSE_TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="n">other</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">))</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="nd">@classmethod</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> -</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="k">return</span> <span class="bp">cls</span> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">return</span> <span class="n">dialect</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="k">return</span> <span class="n">result</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="c1"># Determines the base index offset for arrays</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</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="c1"># If true unnest table aliases are considered only as column aliases</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">UNNEST_COLUMN_ONLY</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="c1"># Determines whether or not the table alias comes after tablesample</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">ALIAS_POST_TABLESAMPLE</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="c1"># Determines whether or not unquoted identifiers are resolved as uppercase</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="c1"># When set to None, it means that the dialect treats all identifiers as case-insensitive</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="c1"># Determines whether or not an unquoted identifier can start with a digit</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">IDENTIFIERS_CAN_START_WITH_DIGIT</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="c1"># Determines whether or not CONCAT's arguments must be strings</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">STRICT_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">False</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="c1"># Determines how function names are going to be normalized</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">NORMALIZE_FUNCTIONS</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"upper"</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="c1"># Indicates the default null ordering method to use if not explicitly set</span> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="c1"># Options are: "nulls_are_small", "nulls_are_large", "nulls_are_last"</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="n">NULL_ORDERING</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="n">DATE_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">DATEINT_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="c1"># Custom time mappings in which the key represents dialect time format</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="c1"># and the value represents a python time format</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/reference/standard-sql/format-elements#format_model_rules_date_time</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="c1"># https://docs.teradata.com/r/Teradata-Database-SQL-Functions-Operators-Expressions-and-Predicates/March-2017/Data-Type-Conversions/Character-to-DATE-Conversion/Forcing-a-FORMAT-on-CAST-for-Converting-Character-to-DATE</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="c1"># special syntax cast(x as date format 'yyyy') defaults to time_mapping</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">FORMAT_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> <span class="c1"># Autofilled</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="n">Tokenizer</span> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="n">Parser</span> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="n">Generator</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="c1"># A trie of the time_mapping keys</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">FORMAT_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">INVERSE_TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">INVERSE_TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="n">other</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">))</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="nd">@classmethod</span> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="k">return</span> <span class="bp">cls</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">return</span> <span class="n">dialect</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> </span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="nd">@classmethod</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="c1"># the time formats are quoted</span> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="p">)</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">return</span> <span class="n">result</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="nd">@classmethod</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="c1"># the time formats are quoted</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="p">)</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span> </span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> -</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> -</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="nd">@property</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">()</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="nd">@classmethod</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">def</span> <span class="nf">normalize_identifier</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a><span class="sd"> Normalizes an unquoted identifier to either lower or upper case, thus essentially</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a><span class="sd"> making it case-insensitive. If a dialect treats all identifiers as case-insensitive,</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a><span class="sd"> they will be normalized regardless of being quoted or not.</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a><span class="sd"> """</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">quoted</span> <span class="ow">or</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="ow">is</span> <span class="kc">None</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="p">):</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="s2">"this"</span><span class="p">,</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="p">)</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="nd">@classmethod</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">def</span> <span class="nf">case_sensitive</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a><span class="w"> </span><span class="sd">"""Checks if text contains any case sensitive characters, based on the dialect's rules."""</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="k">return</span> <span class="kc">False</span> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">unsafe</span> <span class="o">=</span> <span class="nb">str</span><span class="o">.</span><span class="n">islower</span> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="k">else</span> <span class="nb">str</span><span class="o">.</span><span class="n">isupper</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="nb">any</span><span class="p">(</span><span class="n">unsafe</span><span class="p">(</span><span class="n">char</span><span class="p">)</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="n">text</span><span class="p">)</span> </span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a><span class="n">DialectType</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">*</span><span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="s2">"IF"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="p">)</span> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="nd">@classmethod</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">def</span> <span class="nf">can_identify</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s2">"safe"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a><span class="w"> </span><span class="sd">"""Checks if text can be identified given an identify option.</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a><span class="sd"> Args:</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a><span class="sd"> text: The text to check.</span> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a><span class="sd"> identify:</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a><span class="sd"> "always" or `True`: Always returns true.</span> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a><span class="sd"> "safe": True if the identifier is case-insensitive.</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> +</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a><span class="sd"> Returns:</span> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a><span class="sd"> Whether or not the given text can be identified.</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a><span class="sd"> """</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="ow">is</span> <span class="kc">True</span> <span class="ow">or</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"always"</span><span class="p">:</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">return</span> <span class="kc">True</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"safe"</span><span class="p">:</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">return</span> <span class="ow">not</span> <span class="bp">cls</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">text</span><span class="p">)</span> </span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">return</span> <span class="kc">False</span> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="nd">@classmethod</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">def</span> <span class="nf">quote_identifier</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="s2">"quoted"</span><span class="p">,</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">identify</span> <span class="ow">or</span> <span class="bp">cls</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">exp</span><span class="o">.</span><span class="n">SAFE_IDENTIFIER_RE</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">),</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="p">)</span> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="k">return</span> <span class="n">expression</span> </span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> -</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="p">)</span> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> -</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="n">zone</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> -</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="nd">@property</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">()</span> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> </span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> </span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span> -</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">return</span> <span class="s2">""</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> -</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span> -</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">return</span> <span class="s2">""</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a><span class="n">DialectType</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">],</span> <span class="kc">None</span><span class="p">]</span> +</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> +</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">*</span><span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> </span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a><span class="k">def</span> <span class="nf">no_comment_column_constraint_sql</span><span class="p">(</span> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CommentColumnConstraint</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"CommentColumnConstraint unsupported"</span><span class="p">)</span> -</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="k">return</span> <span class="s2">""</span> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</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-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="n">substr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"substr"</span><span class="p">)</span> -</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span> -</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="s2">"IF"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="p">)</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span> +</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span> +</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> </span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</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-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="n">struct_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">struct_key</span><span class="si">}</span><span class="s2">"</span> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="n">keys</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span> -</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="p">)</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">zone</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> </span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> -</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a><span class="sd"> Args:</span> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a><span class="sd"> exp_class: the expression class to instantiate.</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a><span class="sd"> dialect: target sql dialect.</span> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a><span class="sd"> default: the default format, True being time.</span> -</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a><span class="sd"> Returns:</span> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a><span class="sd"> """</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">):</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="p">),</span> -</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="p">)</span> -</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="n">_format_time</span> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a><span class="sd"> columns are removed from the create statement.</span> -</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a><span class="sd"> """</span> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span> -</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="n">is_partitionable</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span> -</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</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-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">):</span> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span> -</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span> -</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span> -</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="k">return</span> <span class="s2">""</span> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="k">return</span> <span class="s2">""</span> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a><span class="k">def</span> <span class="nf">no_comment_column_constraint_sql</span><span class="p">(</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CommentColumnConstraint</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"CommentColumnConstraint unsupported"</span><span class="p">)</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="k">return</span> <span class="s2">""</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</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-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="n">substr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"substr"</span><span class="p">)</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</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-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">struct_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">struct_key</span><span class="si">}</span><span class="s2">"</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="n">keys</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> </span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> -</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="n">inner_func</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span> </span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> </span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> -</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a><span class="k">def</span> <span class="nf">parse_date_delta_with_interval</span><span class="p">(</span> -</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="n">expression_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> -</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]]:</span> -</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span> -</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o"><</span> <span class="mi">2</span><span class="p">:</span> -</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> -</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> -</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> -</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="k">return</span> <span class="n">expression_class</span><span class="p">(</span> -</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> <span class="n">this</span><span class="o">=</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">))</span> -</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="p">)</span> -</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> -</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="k">return</span> <span class="n">func</span> -</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> -</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> -</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a><span class="k">def</span> <span class="nf">date_trunc_to_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span> -</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span> +</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span> +</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> +</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a><span class="sd"> Args:</span> +</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a><span class="sd"> exp_class: the expression class to instantiate.</span> +</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a><span class="sd"> dialect: target sql dialect.</span> +</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a><span class="sd"> default: the default format, True being time.</span> +</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> +</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a><span class="sd"> Returns:</span> +</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span> +</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a><span class="sd"> """</span> +</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> +</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">):</span> +</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span> +</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> +</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span> +</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="p">),</span> +</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a> <span class="p">)</span> </span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a> -</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"date"</span><span class="p">):</span> -</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">(</span><span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> -</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> -</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> -</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a><span class="k">def</span> <span class="nf">timestamptrunc_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> <span class="s2">"DATE_TRUNC"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">expression</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">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a> <span class="p">)</span> -</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> -</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a> -</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span> -</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> -</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="p">)</span> -</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> -</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> -</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> <span class="s2">"LOCATE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"position"</span><span class="p">)</span> -</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a> <span class="p">)</span> -</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> +</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> <span class="k">return</span> <span class="n">_format_time</span> +</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> +</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> +</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span> +</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span> +</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a><span class="sd"> columns are removed from the create statement.</span> +</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a><span class="sd"> """</span> +</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span> +</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a> <span class="n">is_partitionable</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span> +</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> +</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span> +</span><span id="L-460"><a href="#L-460"><span class="linenos">460</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-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span> +</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">):</span> +</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> +</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span> +</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span> +</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span> +</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span> </span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> -</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a><span class="k">def</span> <span class="nf">left_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-471"><a href="#L-471"><span class="linenos">471</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-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> -</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> -</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">length</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> -</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> <span class="p">)</span> -</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="p">)</span> -</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> -</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> -</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a><span class="k">def</span> <span class="nf">right_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-480"><a href="#L-480"><span class="linenos">480</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-481"><a href="#L-481"><span class="linenos">481</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> -</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> -</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> -</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o">-</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span> -</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> <span class="p">)</span> -</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a> <span class="p">)</span> -</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> -</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> -</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS TIMESTAMP)"</span> -</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a> +</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> +</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> +</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span> +</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span> +</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span> +</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span> +</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> +</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> +</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="k">return</span> <span class="n">inner_func</span> +</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> +</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> +</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a><span class="k">def</span> <span class="nf">parse_date_delta_with_interval</span><span class="p">(</span> +</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> <span class="n">expression_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> +</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]]:</span> +</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span> +</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o"><</span> <span class="mi">2</span><span class="p">:</span> +</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a> <span class="k">return</span> <span class="kc">None</span> </span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a> -</span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> -</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a> -</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a> -</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a><span class="k">def</span> <span class="nf">min_or_least</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"LEAST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MIN"</span> -</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> -</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a> +</span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> +</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a> +</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a> <span class="k">return</span> <span class="n">expression_class</span><span class="p">(</span> +</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> <span class="n">this</span><span class="o">=</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">))</span> +</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a> <span class="p">)</span> </span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> -</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a><span class="k">def</span> <span class="nf">max_or_greatest</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"GREATEST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MAX"</span> -</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> -</span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a> -</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> -</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a><span class="k">def</span> <span class="nf">count_if_to_sum</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CountIf</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> -</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">):</span> -</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"DISTINCT is not supported when converting COUNT_IF to SUM"</span><span class="p">)</span> +</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a> <span class="k">return</span> <span class="n">func</span> +</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> +</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> +</span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a><span class="k">def</span> <span class="nf">date_trunc_to_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span> +</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> +</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"date"</span><span class="p">):</span> +</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">(</span><span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> +</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> </span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> -</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"sum"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"if"</span><span class="p">,</span> <span class="n">cond</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> -</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> -</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a> -</span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> -</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> -</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"collation"</span><span class="p">)</span> -</span><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a> -</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span> -</span><span id="L-524"><a href="#L-524"><span class="linenos">524</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span> -</span><span id="L-525"><a href="#L-525"><span class="linenos">525</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-526"><a href="#L-526"><span class="linenos">526</span></a> -</span><span id="L-527"><a href="#L-527"><span class="linenos">527</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-528"><a href="#L-528"><span class="linenos">528</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-529"><a href="#L-529"><span class="linenos">529</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-530"><a href="#L-530"><span class="linenos">530</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-531"><a href="#L-531"><span class="linenos">531</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span> -</span><span id="L-532"><a href="#L-532"><span class="linenos">532</span></a> -</span><span id="L-533"><a href="#L-533"><span class="linenos">533</span></a> -</span><span id="L-534"><a href="#L-534"><span class="linenos">534</span></a><span class="k">def</span> <span class="nf">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-535"><a href="#L-535"><span class="linenos">535</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"STRPTIME"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> -</span><span id="L-536"><a href="#L-536"><span class="linenos">536</span></a> -</span><span id="L-537"><a href="#L-537"><span class="linenos">537</span></a> -</span><span id="L-538"><a href="#L-538"><span class="linenos">538</span></a><span class="k">def</span> <span class="nf">ts_or_ds_to_date_sql</span><span class="p">(</span><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">:</span> -</span><span id="L-539"><a href="#L-539"><span class="linenos">539</span></a> <span class="k">def</span> <span class="nf">_ts_or_ds_to_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-540"><a href="#L-540"><span class="linenos">540</span></a> <span class="n">_dialect</span> <span class="o">=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-541"><a href="#L-541"><span class="linenos">541</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-542"><a href="#L-542"><span class="linenos">542</span></a> <span class="k">if</span> <span class="n">time_format</span> <span class="ow">and</span> <span class="n">time_format</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">_dialect</span><span class="o">.</span><span class="n">TIME_FORMAT</span><span class="p">,</span> <span class="n">_dialect</span><span class="o">.</span><span class="n">DATE_FORMAT</span><span class="p">):</span> -</span><span id="L-543"><a href="#L-543"><span class="linenos">543</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="n">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> -</span><span id="L-544"><a href="#L-544"><span class="linenos">544</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> -</span><span id="L-545"><a href="#L-545"><span class="linenos">545</span></a> -</span><span id="L-546"><a href="#L-546"><span class="linenos">546</span></a> <span class="k">return</span> <span class="n">_ts_or_ds_to_date_sql</span> -</span><span id="L-547"><a href="#L-547"><span class="linenos">547</span></a> -</span><span id="L-548"><a href="#L-548"><span class="linenos">548</span></a> -</span><span id="L-549"><a href="#L-549"><span class="linenos">549</span></a><span class="k">def</span> <span class="nf">concat_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-550"><a href="#L-550"><span class="linenos">550</span></a> <span class="n">this</span><span class="p">,</span> <span class="o">*</span><span class="n">rest_args</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-551"><a href="#L-551"><span class="linenos">551</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">rest_args</span><span class="p">:</span> -</span><span id="L-552"><a href="#L-552"><span class="linenos">552</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">arg</span><span class="p">)</span> +</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a><span class="k">def</span> <span class="nf">timestamptrunc_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> +</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a> <span class="s2">"DATE_TRUNC"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">expression</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">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a> <span class="p">)</span> +</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> +</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a> +</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span> +</span><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> +</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> <span class="p">)</span> +</span><span id="L-524"><a href="#L-524"><span class="linenos">524</span></a> +</span><span id="L-525"><a href="#L-525"><span class="linenos">525</span></a> +</span><span id="L-526"><a href="#L-526"><span class="linenos">526</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-527"><a href="#L-527"><span class="linenos">527</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> +</span><span id="L-528"><a href="#L-528"><span class="linenos">528</span></a> <span class="s2">"LOCATE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"position"</span><span class="p">)</span> +</span><span id="L-529"><a href="#L-529"><span class="linenos">529</span></a> <span class="p">)</span> +</span><span id="L-530"><a href="#L-530"><span class="linenos">530</span></a> +</span><span id="L-531"><a href="#L-531"><span class="linenos">531</span></a> +</span><span id="L-532"><a href="#L-532"><span class="linenos">532</span></a><span class="k">def</span> <span class="nf">left_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-533"><a href="#L-533"><span class="linenos">533</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-534"><a href="#L-534"><span class="linenos">534</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> +</span><span id="L-535"><a href="#L-535"><span class="linenos">535</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> +</span><span id="L-536"><a href="#L-536"><span class="linenos">536</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">length</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> +</span><span id="L-537"><a href="#L-537"><span class="linenos">537</span></a> <span class="p">)</span> +</span><span id="L-538"><a href="#L-538"><span class="linenos">538</span></a> <span class="p">)</span> +</span><span id="L-539"><a href="#L-539"><span class="linenos">539</span></a> +</span><span id="L-540"><a href="#L-540"><span class="linenos">540</span></a> +</span><span id="L-541"><a href="#L-541"><span class="linenos">541</span></a><span class="k">def</span> <span class="nf">right_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-542"><a href="#L-542"><span class="linenos">542</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-543"><a href="#L-543"><span class="linenos">543</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> +</span><span id="L-544"><a href="#L-544"><span class="linenos">544</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> +</span><span id="L-545"><a href="#L-545"><span class="linenos">545</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="L-546"><a href="#L-546"><span class="linenos">546</span></a> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o">-</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span> +</span><span id="L-547"><a href="#L-547"><span class="linenos">547</span></a> <span class="p">)</span> +</span><span id="L-548"><a href="#L-548"><span class="linenos">548</span></a> <span class="p">)</span> +</span><span id="L-549"><a href="#L-549"><span class="linenos">549</span></a> +</span><span id="L-550"><a href="#L-550"><span class="linenos">550</span></a> +</span><span id="L-551"><a href="#L-551"><span class="linenos">551</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-552"><a href="#L-552"><span class="linenos">552</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS TIMESTAMP)"</span> </span><span id="L-553"><a href="#L-553"><span class="linenos">553</span></a> -</span><span id="L-554"><a href="#L-554"><span class="linenos">554</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-555"><a href="#L-555"><span class="linenos">555</span></a> -</span><span id="L-556"><a href="#L-556"><span class="linenos">556</span></a> -</span><span id="L-557"><a href="#L-557"><span class="linenos">557</span></a><span class="c1"># Spark, DuckDB use (almost) the same naming scheme for the output columns of the PIVOT operator</span> -</span><span id="L-558"><a href="#L-558"><span class="linenos">558</span></a><span class="k">def</span> <span class="nf">pivot_column_names</span><span class="p">(</span><span class="n">aggregations</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-559"><a href="#L-559"><span class="linenos">559</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-560"><a href="#L-560"><span class="linenos">560</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">aggregations</span><span class="p">:</span> -</span><span id="L-561"><a href="#L-561"><span class="linenos">561</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">agg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> -</span><span id="L-562"><a href="#L-562"><span class="linenos">562</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span> -</span><span id="L-563"><a href="#L-563"><span class="linenos">563</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-564"><a href="#L-564"><span class="linenos">564</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-565"><a href="#L-565"><span class="linenos">565</span></a><span class="sd"> This case corresponds to aggregations without aliases being used as suffixes</span> -</span><span id="L-566"><a href="#L-566"><span class="linenos">566</span></a><span class="sd"> (e.g. col_avg(foo)). We need to unquote identifiers because they're going to</span> -</span><span id="L-567"><a href="#L-567"><span class="linenos">567</span></a><span class="sd"> be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.</span> -</span><span id="L-568"><a href="#L-568"><span class="linenos">568</span></a><span class="sd"> Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).</span> -</span><span id="L-569"><a href="#L-569"><span class="linenos">569</span></a><span class="sd"> """</span> -</span><span id="L-570"><a href="#L-570"><span class="linenos">570</span></a> <span class="n">agg_all_unquoted</span> <span class="o">=</span> <span class="n">agg</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> -</span><span id="L-571"><a href="#L-571"><span class="linenos">571</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-572"><a href="#L-572"><span class="linenos">572</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> -</span><span id="L-573"><a href="#L-573"><span class="linenos">573</span></a> <span class="k">else</span> <span class="n">node</span> -</span><span id="L-574"><a href="#L-574"><span class="linenos">574</span></a> <span class="p">)</span> -</span><span id="L-575"><a href="#L-575"><span class="linenos">575</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg_all_unquoted</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">normalize_functions</span><span class="o">=</span><span class="s2">"lower"</span><span class="p">))</span> -</span><span id="L-576"><a href="#L-576"><span class="linenos">576</span></a> -</span><span id="L-577"><a href="#L-577"><span class="linenos">577</span></a> <span class="k">return</span> <span class="n">names</span> +</span><span id="L-554"><a href="#L-554"><span class="linenos">554</span></a> +</span><span id="L-555"><a href="#L-555"><span class="linenos">555</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-556"><a href="#L-556"><span class="linenos">556</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span><span id="L-557"><a href="#L-557"><span class="linenos">557</span></a> +</span><span id="L-558"><a href="#L-558"><span class="linenos">558</span></a> +</span><span id="L-559"><a href="#L-559"><span class="linenos">559</span></a><span class="k">def</span> <span class="nf">min_or_least</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-560"><a href="#L-560"><span class="linenos">560</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"LEAST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MIN"</span> +</span><span id="L-561"><a href="#L-561"><span class="linenos">561</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> +</span><span id="L-562"><a href="#L-562"><span class="linenos">562</span></a> +</span><span id="L-563"><a href="#L-563"><span class="linenos">563</span></a> +</span><span id="L-564"><a href="#L-564"><span class="linenos">564</span></a><span class="k">def</span> <span class="nf">max_or_greatest</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-565"><a href="#L-565"><span class="linenos">565</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"GREATEST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MAX"</span> +</span><span id="L-566"><a href="#L-566"><span class="linenos">566</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> +</span><span id="L-567"><a href="#L-567"><span class="linenos">567</span></a> +</span><span id="L-568"><a href="#L-568"><span class="linenos">568</span></a> +</span><span id="L-569"><a href="#L-569"><span class="linenos">569</span></a><span class="k">def</span> <span class="nf">count_if_to_sum</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CountIf</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-570"><a href="#L-570"><span class="linenos">570</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-571"><a href="#L-571"><span class="linenos">571</span></a> +</span><span id="L-572"><a href="#L-572"><span class="linenos">572</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">):</span> +</span><span id="L-573"><a href="#L-573"><span class="linenos">573</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-574"><a href="#L-574"><span class="linenos">574</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"DISTINCT is not supported when converting COUNT_IF to SUM"</span><span class="p">)</span> +</span><span id="L-575"><a href="#L-575"><span class="linenos">575</span></a> +</span><span id="L-576"><a href="#L-576"><span class="linenos">576</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"sum"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"if"</span><span class="p">,</span> <span class="n">cond</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> +</span><span id="L-577"><a href="#L-577"><span class="linenos">577</span></a> +</span><span id="L-578"><a href="#L-578"><span class="linenos">578</span></a> +</span><span id="L-579"><a href="#L-579"><span class="linenos">579</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-580"><a href="#L-580"><span class="linenos">580</span></a> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="L-581"><a href="#L-581"><span class="linenos">581</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> +</span><span id="L-582"><a href="#L-582"><span class="linenos">582</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> +</span><span id="L-583"><a href="#L-583"><span class="linenos">583</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"collation"</span><span class="p">)</span> +</span><span id="L-584"><a href="#L-584"><span class="linenos">584</span></a> +</span><span id="L-585"><a href="#L-585"><span class="linenos">585</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span> +</span><span id="L-586"><a href="#L-586"><span class="linenos">586</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span> +</span><span id="L-587"><a href="#L-587"><span class="linenos">587</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-588"><a href="#L-588"><span class="linenos">588</span></a> +</span><span id="L-589"><a href="#L-589"><span class="linenos">589</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-590"><a href="#L-590"><span class="linenos">590</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-591"><a href="#L-591"><span class="linenos">591</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-592"><a href="#L-592"><span class="linenos">592</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-593"><a href="#L-593"><span class="linenos">593</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span> +</span><span id="L-594"><a href="#L-594"><span class="linenos">594</span></a> +</span><span id="L-595"><a href="#L-595"><span class="linenos">595</span></a> +</span><span id="L-596"><a href="#L-596"><span class="linenos">596</span></a><span class="k">def</span> <span class="nf">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-597"><a href="#L-597"><span class="linenos">597</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"STRPTIME"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> +</span><span id="L-598"><a href="#L-598"><span class="linenos">598</span></a> +</span><span id="L-599"><a href="#L-599"><span class="linenos">599</span></a> +</span><span id="L-600"><a href="#L-600"><span class="linenos">600</span></a><span class="k">def</span> <span class="nf">ts_or_ds_to_date_sql</span><span class="p">(</span><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">:</span> +</span><span id="L-601"><a href="#L-601"><span class="linenos">601</span></a> <span class="k">def</span> <span class="nf">_ts_or_ds_to_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-602"><a href="#L-602"><span class="linenos">602</span></a> <span class="n">_dialect</span> <span class="o">=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-603"><a href="#L-603"><span class="linenos">603</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-604"><a href="#L-604"><span class="linenos">604</span></a> <span class="k">if</span> <span class="n">time_format</span> <span class="ow">and</span> <span class="n">time_format</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">_dialect</span><span class="o">.</span><span class="n">TIME_FORMAT</span><span class="p">,</span> <span class="n">_dialect</span><span class="o">.</span><span class="n">DATE_FORMAT</span><span class="p">):</span> +</span><span id="L-605"><a href="#L-605"><span class="linenos">605</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="n">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span><span id="L-606"><a href="#L-606"><span class="linenos">606</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span><span id="L-607"><a href="#L-607"><span class="linenos">607</span></a> +</span><span id="L-608"><a href="#L-608"><span class="linenos">608</span></a> <span class="k">return</span> <span class="n">_ts_or_ds_to_date_sql</span> +</span><span id="L-609"><a href="#L-609"><span class="linenos">609</span></a> +</span><span id="L-610"><a href="#L-610"><span class="linenos">610</span></a> +</span><span id="L-611"><a href="#L-611"><span class="linenos">611</span></a><span class="k">def</span> <span class="nf">concat_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-612"><a href="#L-612"><span class="linenos">612</span></a> <span class="n">this</span><span class="p">,</span> <span class="o">*</span><span class="n">rest_args</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="L-613"><a href="#L-613"><span class="linenos">613</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">rest_args</span><span class="p">:</span> +</span><span id="L-614"><a href="#L-614"><span class="linenos">614</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">arg</span><span class="p">)</span> +</span><span id="L-615"><a href="#L-615"><span class="linenos">615</span></a> +</span><span id="L-616"><a href="#L-616"><span class="linenos">616</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-617"><a href="#L-617"><span class="linenos">617</span></a> +</span><span id="L-618"><a href="#L-618"><span class="linenos">618</span></a> +</span><span id="L-619"><a href="#L-619"><span class="linenos">619</span></a><span class="c1"># Spark, DuckDB use (almost) the same naming scheme for the output columns of the PIVOT operator</span> +</span><span id="L-620"><a href="#L-620"><span class="linenos">620</span></a><span class="k">def</span> <span class="nf">pivot_column_names</span><span class="p">(</span><span class="n">aggregations</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-621"><a href="#L-621"><span class="linenos">621</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-622"><a href="#L-622"><span class="linenos">622</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">aggregations</span><span class="p">:</span> +</span><span id="L-623"><a href="#L-623"><span class="linenos">623</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">agg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> +</span><span id="L-624"><a href="#L-624"><span class="linenos">624</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span> +</span><span id="L-625"><a href="#L-625"><span class="linenos">625</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-626"><a href="#L-626"><span class="linenos">626</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-627"><a href="#L-627"><span class="linenos">627</span></a><span class="sd"> This case corresponds to aggregations without aliases being used as suffixes</span> +</span><span id="L-628"><a href="#L-628"><span class="linenos">628</span></a><span class="sd"> (e.g. col_avg(foo)). We need to unquote identifiers because they're going to</span> +</span><span id="L-629"><a href="#L-629"><span class="linenos">629</span></a><span class="sd"> be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.</span> +</span><span id="L-630"><a href="#L-630"><span class="linenos">630</span></a><span class="sd"> Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).</span> +</span><span id="L-631"><a href="#L-631"><span class="linenos">631</span></a><span class="sd"> """</span> +</span><span id="L-632"><a href="#L-632"><span class="linenos">632</span></a> <span class="n">agg_all_unquoted</span> <span class="o">=</span> <span class="n">agg</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="L-633"><a href="#L-633"><span class="linenos">633</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-634"><a href="#L-634"><span class="linenos">634</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> +</span><span id="L-635"><a href="#L-635"><span class="linenos">635</span></a> <span class="k">else</span> <span class="n">node</span> +</span><span id="L-636"><a href="#L-636"><span class="linenos">636</span></a> <span class="p">)</span> +</span><span id="L-637"><a href="#L-637"><span class="linenos">637</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg_all_unquoted</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">normalize_functions</span><span class="o">=</span><span class="s2">"lower"</span><span class="p">))</span> +</span><span id="L-638"><a href="#L-638"><span class="linenos">638</span></a> +</span><span id="L-639"><a href="#L-639"><span class="linenos">639</span></a> <span class="k">return</span> <span class="n">names</span> </span></pre></div> @@ -861,29 +935,29 @@ </div> <a class="headerlink" href="#Dialects"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialects-24"><a href="#Dialects-24"><span class="linenos">24</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span> -</span><span id="Dialects-25"><a href="#Dialects-25"><span class="linenos">25</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span> -</span><span id="Dialects-26"><a href="#Dialects-26"><span class="linenos">26</span></a> -</span><span id="Dialects-27"><a href="#Dialects-27"><span class="linenos">27</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span> -</span><span id="Dialects-28"><a href="#Dialects-28"><span class="linenos">28</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span> -</span><span id="Dialects-29"><a href="#Dialects-29"><span class="linenos">29</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span> -</span><span id="Dialects-30"><a href="#Dialects-30"><span class="linenos">30</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span> -</span><span id="Dialects-31"><a href="#Dialects-31"><span class="linenos">31</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span> -</span><span id="Dialects-32"><a href="#Dialects-32"><span class="linenos">32</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span> -</span><span id="Dialects-33"><a href="#Dialects-33"><span class="linenos">33</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span> -</span><span id="Dialects-34"><a href="#Dialects-34"><span class="linenos">34</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span> -</span><span id="Dialects-35"><a href="#Dialects-35"><span class="linenos">35</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span> -</span><span id="Dialects-36"><a href="#Dialects-36"><span class="linenos">36</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span> -</span><span id="Dialects-37"><a href="#Dialects-37"><span class="linenos">37</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span> -</span><span id="Dialects-38"><a href="#Dialects-38"><span class="linenos">38</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span> -</span><span id="Dialects-39"><a href="#Dialects-39"><span class="linenos">39</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span> -</span><span id="Dialects-40"><a href="#Dialects-40"><span class="linenos">40</span></a> <span class="n">SPARK2</span> <span class="o">=</span> <span class="s2">"spark2"</span> -</span><span id="Dialects-41"><a href="#Dialects-41"><span class="linenos">41</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span> -</span><span id="Dialects-42"><a href="#Dialects-42"><span class="linenos">42</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span> -</span><span id="Dialects-43"><a href="#Dialects-43"><span class="linenos">43</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span> -</span><span id="Dialects-44"><a href="#Dialects-44"><span class="linenos">44</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span> -</span><span id="Dialects-45"><a href="#Dialects-45"><span class="linenos">45</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span> -</span><span id="Dialects-46"><a href="#Dialects-46"><span class="linenos">46</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialects-17"><a href="#Dialects-17"><span class="linenos">17</span></a><span class="k">class</span> <span class="nc">Dialects</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">Enum</span><span class="p">):</span> +</span><span id="Dialects-18"><a href="#Dialects-18"><span class="linenos">18</span></a> <span class="n">DIALECT</span> <span class="o">=</span> <span class="s2">""</span> +</span><span id="Dialects-19"><a href="#Dialects-19"><span class="linenos">19</span></a> +</span><span id="Dialects-20"><a href="#Dialects-20"><span class="linenos">20</span></a> <span class="n">BIGQUERY</span> <span class="o">=</span> <span class="s2">"bigquery"</span> +</span><span id="Dialects-21"><a href="#Dialects-21"><span class="linenos">21</span></a> <span class="n">CLICKHOUSE</span> <span class="o">=</span> <span class="s2">"clickhouse"</span> +</span><span id="Dialects-22"><a href="#Dialects-22"><span class="linenos">22</span></a> <span class="n">DATABRICKS</span> <span class="o">=</span> <span class="s2">"databricks"</span> +</span><span id="Dialects-23"><a href="#Dialects-23"><span class="linenos">23</span></a> <span class="n">DRILL</span> <span class="o">=</span> <span class="s2">"drill"</span> +</span><span id="Dialects-24"><a href="#Dialects-24"><span class="linenos">24</span></a> <span class="n">DUCKDB</span> <span class="o">=</span> <span class="s2">"duckdb"</span> +</span><span id="Dialects-25"><a href="#Dialects-25"><span class="linenos">25</span></a> <span class="n">HIVE</span> <span class="o">=</span> <span class="s2">"hive"</span> +</span><span id="Dialects-26"><a href="#Dialects-26"><span class="linenos">26</span></a> <span class="n">MYSQL</span> <span class="o">=</span> <span class="s2">"mysql"</span> +</span><span id="Dialects-27"><a href="#Dialects-27"><span class="linenos">27</span></a> <span class="n">ORACLE</span> <span class="o">=</span> <span class="s2">"oracle"</span> +</span><span id="Dialects-28"><a href="#Dialects-28"><span class="linenos">28</span></a> <span class="n">POSTGRES</span> <span class="o">=</span> <span class="s2">"postgres"</span> +</span><span id="Dialects-29"><a href="#Dialects-29"><span class="linenos">29</span></a> <span class="n">PRESTO</span> <span class="o">=</span> <span class="s2">"presto"</span> +</span><span id="Dialects-30"><a href="#Dialects-30"><span class="linenos">30</span></a> <span class="n">REDSHIFT</span> <span class="o">=</span> <span class="s2">"redshift"</span> +</span><span id="Dialects-31"><a href="#Dialects-31"><span class="linenos">31</span></a> <span class="n">SNOWFLAKE</span> <span class="o">=</span> <span class="s2">"snowflake"</span> +</span><span id="Dialects-32"><a href="#Dialects-32"><span class="linenos">32</span></a> <span class="n">SPARK</span> <span class="o">=</span> <span class="s2">"spark"</span> +</span><span id="Dialects-33"><a href="#Dialects-33"><span class="linenos">33</span></a> <span class="n">SPARK2</span> <span class="o">=</span> <span class="s2">"spark2"</span> +</span><span id="Dialects-34"><a href="#Dialects-34"><span class="linenos">34</span></a> <span class="n">SQLITE</span> <span class="o">=</span> <span class="s2">"sqlite"</span> +</span><span id="Dialects-35"><a href="#Dialects-35"><span class="linenos">35</span></a> <span class="n">STARROCKS</span> <span class="o">=</span> <span class="s2">"starrocks"</span> +</span><span id="Dialects-36"><a href="#Dialects-36"><span class="linenos">36</span></a> <span class="n">TABLEAU</span> <span class="o">=</span> <span class="s2">"tableau"</span> +</span><span id="Dialects-37"><a href="#Dialects-37"><span class="linenos">37</span></a> <span class="n">TERADATA</span> <span class="o">=</span> <span class="s2">"teradata"</span> +</span><span id="Dialects-38"><a href="#Dialects-38"><span class="linenos">38</span></a> <span class="n">TRINO</span> <span class="o">=</span> <span class="s2">"trino"</span> +</span><span id="Dialects-39"><a href="#Dialects-39"><span class="linenos">39</span></a> <span class="n">TSQL</span> <span class="o">=</span> <span class="s2">"tsql"</span> </span></pre></div> @@ -1215,118 +1289,182 @@ </div> <a class="headerlink" href="#Dialect"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect-133"><a href="#Dialect-133"><span class="linenos">133</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span> -</span><span id="Dialect-134"><a href="#Dialect-134"><span class="linenos">134</span></a> <span class="c1"># Determines the base index offset for arrays</span> -</span><span id="Dialect-135"><a href="#Dialect-135"><span class="linenos">135</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span> -</span><span id="Dialect-136"><a href="#Dialect-136"><span class="linenos">136</span></a> -</span><span id="Dialect-137"><a href="#Dialect-137"><span class="linenos">137</span></a> <span class="c1"># If true unnest table aliases are considered only as column aliases</span> -</span><span id="Dialect-138"><a href="#Dialect-138"><span class="linenos">138</span></a> <span class="n">UNNEST_COLUMN_ONLY</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Dialect-139"><a href="#Dialect-139"><span class="linenos">139</span></a> -</span><span id="Dialect-140"><a href="#Dialect-140"><span class="linenos">140</span></a> <span class="c1"># Determines whether or not the table alias comes after tablesample</span> -</span><span id="Dialect-141"><a href="#Dialect-141"><span class="linenos">141</span></a> <span class="n">ALIAS_POST_TABLESAMPLE</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Dialect-142"><a href="#Dialect-142"><span class="linenos">142</span></a> -</span><span id="Dialect-143"><a href="#Dialect-143"><span class="linenos">143</span></a> <span class="c1"># Determines whether or not an unquoted identifier can start with a digit</span> -</span><span id="Dialect-144"><a href="#Dialect-144"><span class="linenos">144</span></a> <span class="n">IDENTIFIERS_CAN_START_WITH_DIGIT</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Dialect-145"><a href="#Dialect-145"><span class="linenos">145</span></a> -</span><span id="Dialect-146"><a href="#Dialect-146"><span class="linenos">146</span></a> <span class="c1"># Determines whether or not CONCAT's arguments must be strings</span> -</span><span id="Dialect-147"><a href="#Dialect-147"><span class="linenos">147</span></a> <span class="n">STRICT_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="Dialect-148"><a href="#Dialect-148"><span class="linenos">148</span></a> -</span><span id="Dialect-149"><a href="#Dialect-149"><span class="linenos">149</span></a> <span class="c1"># Determines how function names are going to be normalized</span> -</span><span id="Dialect-150"><a href="#Dialect-150"><span class="linenos">150</span></a> <span class="n">NORMALIZE_FUNCTIONS</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"upper"</span> -</span><span id="Dialect-151"><a href="#Dialect-151"><span class="linenos">151</span></a> -</span><span id="Dialect-152"><a href="#Dialect-152"><span class="linenos">152</span></a> <span class="c1"># Indicates the default null ordering method to use if not explicitly set</span> -</span><span id="Dialect-153"><a href="#Dialect-153"><span class="linenos">153</span></a> <span class="c1"># Options are: "nulls_are_small", "nulls_are_large", "nulls_are_last"</span> -</span><span id="Dialect-154"><a href="#Dialect-154"><span class="linenos">154</span></a> <span class="n">NULL_ORDERING</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span> -</span><span id="Dialect-155"><a href="#Dialect-155"><span class="linenos">155</span></a> -</span><span id="Dialect-156"><a href="#Dialect-156"><span class="linenos">156</span></a> <span class="n">DATE_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span> -</span><span id="Dialect-157"><a href="#Dialect-157"><span class="linenos">157</span></a> <span class="n">DATEINT_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span> -</span><span id="Dialect-158"><a href="#Dialect-158"><span class="linenos">158</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span> -</span><span id="Dialect-159"><a href="#Dialect-159"><span class="linenos">159</span></a> -</span><span id="Dialect-160"><a href="#Dialect-160"><span class="linenos">160</span></a> <span class="c1"># Custom time mappings in which the key represents dialect time format</span> -</span><span id="Dialect-161"><a href="#Dialect-161"><span class="linenos">161</span></a> <span class="c1"># and the value represents a python time format</span> -</span><span id="Dialect-162"><a href="#Dialect-162"><span class="linenos">162</span></a> <span class="n">TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Dialect-163"><a href="#Dialect-163"><span class="linenos">163</span></a> -</span><span id="Dialect-164"><a href="#Dialect-164"><span class="linenos">164</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/reference/standard-sql/format-elements#format_model_rules_date_time</span> -</span><span id="Dialect-165"><a href="#Dialect-165"><span class="linenos">165</span></a> <span class="c1"># https://docs.teradata.com/r/Teradata-Database-SQL-Functions-Operators-Expressions-and-Predicates/March-2017/Data-Type-Conversions/Character-to-DATE-Conversion/Forcing-a-FORMAT-on-CAST-for-Converting-Character-to-DATE</span> -</span><span id="Dialect-166"><a href="#Dialect-166"><span class="linenos">166</span></a> <span class="c1"># special syntax cast(x as date format 'yyyy') defaults to time_mapping</span> -</span><span id="Dialect-167"><a href="#Dialect-167"><span class="linenos">167</span></a> <span class="n">FORMAT_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Dialect-168"><a href="#Dialect-168"><span class="linenos">168</span></a> -</span><span id="Dialect-169"><a href="#Dialect-169"><span class="linenos">169</span></a> <span class="c1"># Autofilled</span> -</span><span id="Dialect-170"><a href="#Dialect-170"><span class="linenos">170</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="n">Tokenizer</span> -</span><span id="Dialect-171"><a href="#Dialect-171"><span class="linenos">171</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="n">Parser</span> -</span><span id="Dialect-172"><a href="#Dialect-172"><span class="linenos">172</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="n">Generator</span> -</span><span id="Dialect-173"><a href="#Dialect-173"><span class="linenos">173</span></a> -</span><span id="Dialect-174"><a href="#Dialect-174"><span class="linenos">174</span></a> <span class="c1"># A trie of the time_mapping keys</span> -</span><span id="Dialect-175"><a href="#Dialect-175"><span class="linenos">175</span></a> <span class="n">TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Dialect-176"><a href="#Dialect-176"><span class="linenos">176</span></a> <span class="n">FORMAT_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Dialect-177"><a href="#Dialect-177"><span class="linenos">177</span></a> -</span><span id="Dialect-178"><a href="#Dialect-178"><span class="linenos">178</span></a> <span class="n">INVERSE_TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Dialect-179"><a href="#Dialect-179"><span class="linenos">179</span></a> <span class="n">INVERSE_TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Dialect-180"><a href="#Dialect-180"><span class="linenos">180</span></a> -</span><span id="Dialect-181"><a href="#Dialect-181"><span class="linenos">181</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="Dialect-182"><a href="#Dialect-182"><span class="linenos">182</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="n">other</span> -</span><span id="Dialect-183"><a href="#Dialect-183"><span class="linenos">183</span></a> -</span><span id="Dialect-184"><a href="#Dialect-184"><span class="linenos">184</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> -</span><span id="Dialect-185"><a href="#Dialect-185"><span class="linenos">185</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">))</span> -</span><span id="Dialect-186"><a href="#Dialect-186"><span class="linenos">186</span></a> -</span><span id="Dialect-187"><a href="#Dialect-187"><span class="linenos">187</span></a> <span class="nd">@classmethod</span> -</span><span id="Dialect-188"><a href="#Dialect-188"><span class="linenos">188</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> -</span><span id="Dialect-189"><a href="#Dialect-189"><span class="linenos">189</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> -</span><span id="Dialect-190"><a href="#Dialect-190"><span class="linenos">190</span></a> <span class="k">return</span> <span class="bp">cls</span> -</span><span id="Dialect-191"><a href="#Dialect-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> -</span><span id="Dialect-192"><a href="#Dialect-192"><span class="linenos">192</span></a> <span class="k">return</span> <span class="n">dialect</span> -</span><span id="Dialect-193"><a href="#Dialect-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> -</span><span id="Dialect-194"><a href="#Dialect-194"><span class="linenos">194</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> -</span><span id="Dialect-195"><a href="#Dialect-195"><span class="linenos">195</span></a> -</span><span id="Dialect-196"><a href="#Dialect-196"><span class="linenos">196</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="Dialect-197"><a href="#Dialect-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> -</span><span id="Dialect-198"><a href="#Dialect-198"><span class="linenos">198</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> -</span><span id="Dialect-199"><a href="#Dialect-199"><span class="linenos">199</span></a> -</span><span id="Dialect-200"><a href="#Dialect-200"><span class="linenos">200</span></a> <span class="k">return</span> <span class="n">result</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect-131"><a href="#Dialect-131"><span class="linenos">131</span></a><span class="k">class</span> <span class="nc">Dialect</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">_Dialect</span><span class="p">):</span> +</span><span id="Dialect-132"><a href="#Dialect-132"><span class="linenos">132</span></a> <span class="c1"># Determines the base index offset for arrays</span> +</span><span id="Dialect-133"><a href="#Dialect-133"><span class="linenos">133</span></a> <span class="n">INDEX_OFFSET</span> <span class="o">=</span> <span class="mi">0</span> +</span><span id="Dialect-134"><a href="#Dialect-134"><span class="linenos">134</span></a> +</span><span id="Dialect-135"><a href="#Dialect-135"><span class="linenos">135</span></a> <span class="c1"># If true unnest table aliases are considered only as column aliases</span> +</span><span id="Dialect-136"><a href="#Dialect-136"><span class="linenos">136</span></a> <span class="n">UNNEST_COLUMN_ONLY</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-137"><a href="#Dialect-137"><span class="linenos">137</span></a> +</span><span id="Dialect-138"><a href="#Dialect-138"><span class="linenos">138</span></a> <span class="c1"># Determines whether or not the table alias comes after tablesample</span> +</span><span id="Dialect-139"><a href="#Dialect-139"><span class="linenos">139</span></a> <span class="n">ALIAS_POST_TABLESAMPLE</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-140"><a href="#Dialect-140"><span class="linenos">140</span></a> +</span><span id="Dialect-141"><a href="#Dialect-141"><span class="linenos">141</span></a> <span class="c1"># Determines whether or not unquoted identifiers are resolved as uppercase</span> +</span><span id="Dialect-142"><a href="#Dialect-142"><span class="linenos">142</span></a> <span class="c1"># When set to None, it means that the dialect treats all identifiers as case-insensitive</span> +</span><span id="Dialect-143"><a href="#Dialect-143"><span class="linenos">143</span></a> <span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-144"><a href="#Dialect-144"><span class="linenos">144</span></a> +</span><span id="Dialect-145"><a href="#Dialect-145"><span class="linenos">145</span></a> <span class="c1"># Determines whether or not an unquoted identifier can start with a digit</span> +</span><span id="Dialect-146"><a href="#Dialect-146"><span class="linenos">146</span></a> <span class="n">IDENTIFIERS_CAN_START_WITH_DIGIT</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-147"><a href="#Dialect-147"><span class="linenos">147</span></a> +</span><span id="Dialect-148"><a href="#Dialect-148"><span class="linenos">148</span></a> <span class="c1"># Determines whether or not CONCAT's arguments must be strings</span> +</span><span id="Dialect-149"><a href="#Dialect-149"><span class="linenos">149</span></a> <span class="n">STRICT_STRING_CONCAT</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="Dialect-150"><a href="#Dialect-150"><span class="linenos">150</span></a> +</span><span id="Dialect-151"><a href="#Dialect-151"><span class="linenos">151</span></a> <span class="c1"># Determines how function names are going to be normalized</span> +</span><span id="Dialect-152"><a href="#Dialect-152"><span class="linenos">152</span></a> <span class="n">NORMALIZE_FUNCTIONS</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"upper"</span> +</span><span id="Dialect-153"><a href="#Dialect-153"><span class="linenos">153</span></a> +</span><span id="Dialect-154"><a href="#Dialect-154"><span class="linenos">154</span></a> <span class="c1"># Indicates the default null ordering method to use if not explicitly set</span> +</span><span id="Dialect-155"><a href="#Dialect-155"><span class="linenos">155</span></a> <span class="c1"># Options are: "nulls_are_small", "nulls_are_large", "nulls_are_last"</span> +</span><span id="Dialect-156"><a href="#Dialect-156"><span class="linenos">156</span></a> <span class="n">NULL_ORDERING</span> <span class="o">=</span> <span class="s2">"nulls_are_small"</span> +</span><span id="Dialect-157"><a href="#Dialect-157"><span class="linenos">157</span></a> +</span><span id="Dialect-158"><a href="#Dialect-158"><span class="linenos">158</span></a> <span class="n">DATE_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="Dialect-159"><a href="#Dialect-159"><span class="linenos">159</span></a> <span class="n">DATEINT_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y%m</span><span class="si">%d</span><span class="s2">'"</span> +</span><span id="Dialect-160"><a href="#Dialect-160"><span class="linenos">160</span></a> <span class="n">TIME_FORMAT</span> <span class="o">=</span> <span class="s2">"'%Y-%m-</span><span class="si">%d</span><span class="s2"> %H:%M:%S'"</span> +</span><span id="Dialect-161"><a href="#Dialect-161"><span class="linenos">161</span></a> +</span><span id="Dialect-162"><a href="#Dialect-162"><span class="linenos">162</span></a> <span class="c1"># Custom time mappings in which the key represents dialect time format</span> +</span><span id="Dialect-163"><a href="#Dialect-163"><span class="linenos">163</span></a> <span class="c1"># and the value represents a python time format</span> +</span><span id="Dialect-164"><a href="#Dialect-164"><span class="linenos">164</span></a> <span class="n">TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-165"><a href="#Dialect-165"><span class="linenos">165</span></a> +</span><span id="Dialect-166"><a href="#Dialect-166"><span class="linenos">166</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/reference/standard-sql/format-elements#format_model_rules_date_time</span> +</span><span id="Dialect-167"><a href="#Dialect-167"><span class="linenos">167</span></a> <span class="c1"># https://docs.teradata.com/r/Teradata-Database-SQL-Functions-Operators-Expressions-and-Predicates/March-2017/Data-Type-Conversions/Character-to-DATE-Conversion/Forcing-a-FORMAT-on-CAST-for-Converting-Character-to-DATE</span> +</span><span id="Dialect-168"><a href="#Dialect-168"><span class="linenos">168</span></a> <span class="c1"># special syntax cast(x as date format 'yyyy') defaults to time_mapping</span> +</span><span id="Dialect-169"><a href="#Dialect-169"><span class="linenos">169</span></a> <span class="n">FORMAT_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-170"><a href="#Dialect-170"><span class="linenos">170</span></a> +</span><span id="Dialect-171"><a href="#Dialect-171"><span class="linenos">171</span></a> <span class="c1"># Autofilled</span> +</span><span id="Dialect-172"><a href="#Dialect-172"><span class="linenos">172</span></a> <span class="n">tokenizer_class</span> <span class="o">=</span> <span class="n">Tokenizer</span> +</span><span id="Dialect-173"><a href="#Dialect-173"><span class="linenos">173</span></a> <span class="n">parser_class</span> <span class="o">=</span> <span class="n">Parser</span> +</span><span id="Dialect-174"><a href="#Dialect-174"><span class="linenos">174</span></a> <span class="n">generator_class</span> <span class="o">=</span> <span class="n">Generator</span> +</span><span id="Dialect-175"><a href="#Dialect-175"><span class="linenos">175</span></a> +</span><span id="Dialect-176"><a href="#Dialect-176"><span class="linenos">176</span></a> <span class="c1"># A trie of the time_mapping keys</span> +</span><span id="Dialect-177"><a href="#Dialect-177"><span class="linenos">177</span></a> <span class="n">TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-178"><a href="#Dialect-178"><span class="linenos">178</span></a> <span class="n">FORMAT_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-179"><a href="#Dialect-179"><span class="linenos">179</span></a> +</span><span id="Dialect-180"><a href="#Dialect-180"><span class="linenos">180</span></a> <span class="n">INVERSE_TIME_MAPPING</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-181"><a href="#Dialect-181"><span class="linenos">181</span></a> <span class="n">INVERSE_TIME_TRIE</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Dialect-182"><a href="#Dialect-182"><span class="linenos">182</span></a> +</span><span id="Dialect-183"><a href="#Dialect-183"><span class="linenos">183</span></a> <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="Dialect-184"><a href="#Dialect-184"><span class="linenos">184</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">==</span> <span class="n">other</span> +</span><span id="Dialect-185"><a href="#Dialect-185"><span class="linenos">185</span></a> +</span><span id="Dialect-186"><a href="#Dialect-186"><span class="linenos">186</span></a> <span class="k">def</span> <span class="fm">__hash__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> +</span><span id="Dialect-187"><a href="#Dialect-187"><span class="linenos">187</span></a> <span class="k">return</span> <span class="nb">hash</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">))</span> +</span><span id="Dialect-188"><a href="#Dialect-188"><span class="linenos">188</span></a> +</span><span id="Dialect-189"><a href="#Dialect-189"><span class="linenos">189</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-190"><a href="#Dialect-190"><span class="linenos">190</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="Dialect-191"><a href="#Dialect-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> +</span><span id="Dialect-192"><a href="#Dialect-192"><span class="linenos">192</span></a> <span class="k">return</span> <span class="bp">cls</span> +</span><span id="Dialect-193"><a href="#Dialect-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> +</span><span id="Dialect-194"><a href="#Dialect-194"><span class="linenos">194</span></a> <span class="k">return</span> <span class="n">dialect</span> +</span><span id="Dialect-195"><a href="#Dialect-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="Dialect-196"><a href="#Dialect-196"><span class="linenos">196</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> +</span><span id="Dialect-197"><a href="#Dialect-197"><span class="linenos">197</span></a> +</span><span id="Dialect-198"><a href="#Dialect-198"><span class="linenos">198</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="Dialect-199"><a href="#Dialect-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> +</span><span id="Dialect-200"><a href="#Dialect-200"><span class="linenos">200</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> </span><span id="Dialect-201"><a href="#Dialect-201"><span class="linenos">201</span></a> -</span><span id="Dialect-202"><a href="#Dialect-202"><span class="linenos">202</span></a> <span class="nd">@classmethod</span> -</span><span id="Dialect-203"><a href="#Dialect-203"><span class="linenos">203</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> -</span><span id="Dialect-204"><a href="#Dialect-204"><span class="linenos">204</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> -</span><span id="Dialect-205"><a href="#Dialect-205"><span class="linenos">205</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> -</span><span id="Dialect-206"><a href="#Dialect-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="Dialect-207"><a href="#Dialect-207"><span class="linenos">207</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> -</span><span id="Dialect-208"><a href="#Dialect-208"><span class="linenos">208</span></a> <span class="c1"># the time formats are quoted</span> -</span><span id="Dialect-209"><a href="#Dialect-209"><span class="linenos">209</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span> -</span><span id="Dialect-210"><a href="#Dialect-210"><span class="linenos">210</span></a> <span class="p">)</span> -</span><span id="Dialect-211"><a href="#Dialect-211"><span class="linenos">211</span></a> -</span><span id="Dialect-212"><a href="#Dialect-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="Dialect-213"><a href="#Dialect-213"><span class="linenos">213</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span> -</span><span id="Dialect-214"><a href="#Dialect-214"><span class="linenos">214</span></a> -</span><span id="Dialect-215"><a href="#Dialect-215"><span class="linenos">215</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="Dialect-202"><a href="#Dialect-202"><span class="linenos">202</span></a> <span class="k">return</span> <span class="n">result</span> +</span><span id="Dialect-203"><a href="#Dialect-203"><span class="linenos">203</span></a> +</span><span id="Dialect-204"><a href="#Dialect-204"><span class="linenos">204</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-205"><a href="#Dialect-205"><span class="linenos">205</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> +</span><span id="Dialect-206"><a href="#Dialect-206"><span class="linenos">206</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> +</span><span id="Dialect-207"><a href="#Dialect-207"><span class="linenos">207</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> +</span><span id="Dialect-208"><a href="#Dialect-208"><span class="linenos">208</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="Dialect-209"><a href="#Dialect-209"><span class="linenos">209</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="Dialect-210"><a href="#Dialect-210"><span class="linenos">210</span></a> <span class="c1"># the time formats are quoted</span> +</span><span id="Dialect-211"><a href="#Dialect-211"><span class="linenos">211</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span> +</span><span id="Dialect-212"><a href="#Dialect-212"><span class="linenos">212</span></a> <span class="p">)</span> +</span><span id="Dialect-213"><a href="#Dialect-213"><span class="linenos">213</span></a> +</span><span id="Dialect-214"><a href="#Dialect-214"><span class="linenos">214</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="Dialect-215"><a href="#Dialect-215"><span class="linenos">215</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span> </span><span id="Dialect-216"><a href="#Dialect-216"><span class="linenos">216</span></a> -</span><span id="Dialect-217"><a href="#Dialect-217"><span class="linenos">217</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> -</span><span id="Dialect-218"><a href="#Dialect-218"><span class="linenos">218</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> -</span><span id="Dialect-219"><a href="#Dialect-219"><span class="linenos">219</span></a> -</span><span id="Dialect-220"><a href="#Dialect-220"><span class="linenos">220</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> -</span><span id="Dialect-221"><a href="#Dialect-221"><span class="linenos">221</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> -</span><span id="Dialect-222"><a href="#Dialect-222"><span class="linenos">222</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> -</span><span id="Dialect-223"><a href="#Dialect-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> -</span><span id="Dialect-224"><a href="#Dialect-224"><span class="linenos">224</span></a> -</span><span id="Dialect-225"><a href="#Dialect-225"><span class="linenos">225</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Dialect-226"><a href="#Dialect-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="Dialect-227"><a href="#Dialect-227"><span class="linenos">227</span></a> -</span><span id="Dialect-228"><a href="#Dialect-228"><span class="linenos">228</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Dialect-229"><a href="#Dialect-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> -</span><span id="Dialect-230"><a href="#Dialect-230"><span class="linenos">230</span></a> -</span><span id="Dialect-231"><a href="#Dialect-231"><span class="linenos">231</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span> -</span><span id="Dialect-232"><a href="#Dialect-232"><span class="linenos">232</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span> -</span><span id="Dialect-233"><a href="#Dialect-233"><span class="linenos">233</span></a> -</span><span id="Dialect-234"><a href="#Dialect-234"><span class="linenos">234</span></a> <span class="nd">@property</span> -</span><span id="Dialect-235"><a href="#Dialect-235"><span class="linenos">235</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span> -</span><span id="Dialect-236"><a href="#Dialect-236"><span class="linenos">236</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span> -</span><span id="Dialect-237"><a href="#Dialect-237"><span class="linenos">237</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">()</span> -</span><span id="Dialect-238"><a href="#Dialect-238"><span class="linenos">238</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> -</span><span id="Dialect-239"><a href="#Dialect-239"><span class="linenos">239</span></a> -</span><span id="Dialect-240"><a href="#Dialect-240"><span class="linenos">240</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> -</span><span id="Dialect-241"><a href="#Dialect-241"><span class="linenos">241</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="Dialect-242"><a href="#Dialect-242"><span class="linenos">242</span></a> -</span><span id="Dialect-243"><a href="#Dialect-243"><span class="linenos">243</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> -</span><span id="Dialect-244"><a href="#Dialect-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="Dialect-217"><a href="#Dialect-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="Dialect-218"><a href="#Dialect-218"><span class="linenos">218</span></a> +</span><span id="Dialect-219"><a href="#Dialect-219"><span class="linenos">219</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-220"><a href="#Dialect-220"><span class="linenos">220</span></a> <span class="k">def</span> <span class="nf">normalize_identifier</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="Dialect-221"><a href="#Dialect-221"><span class="linenos">221</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Dialect-222"><a href="#Dialect-222"><span class="linenos">222</span></a><span class="sd"> Normalizes an unquoted identifier to either lower or upper case, thus essentially</span> +</span><span id="Dialect-223"><a href="#Dialect-223"><span class="linenos">223</span></a><span class="sd"> making it case-insensitive. If a dialect treats all identifiers as case-insensitive,</span> +</span><span id="Dialect-224"><a href="#Dialect-224"><span class="linenos">224</span></a><span class="sd"> they will be normalized regardless of being quoted or not.</span> +</span><span id="Dialect-225"><a href="#Dialect-225"><span class="linenos">225</span></a><span class="sd"> """</span> +</span><span id="Dialect-226"><a href="#Dialect-226"><span class="linenos">226</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> +</span><span id="Dialect-227"><a href="#Dialect-227"><span class="linenos">227</span></a> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">quoted</span> <span class="ow">or</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="ow">is</span> <span class="kc">None</span> +</span><span id="Dialect-228"><a href="#Dialect-228"><span class="linenos">228</span></a> <span class="p">):</span> +</span><span id="Dialect-229"><a href="#Dialect-229"><span class="linenos">229</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="Dialect-230"><a href="#Dialect-230"><span class="linenos">230</span></a> <span class="s2">"this"</span><span class="p">,</span> +</span><span id="Dialect-231"><a href="#Dialect-231"><span class="linenos">231</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> +</span><span id="Dialect-232"><a href="#Dialect-232"><span class="linenos">232</span></a> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> +</span><span id="Dialect-233"><a href="#Dialect-233"><span class="linenos">233</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> +</span><span id="Dialect-234"><a href="#Dialect-234"><span class="linenos">234</span></a> <span class="p">)</span> +</span><span id="Dialect-235"><a href="#Dialect-235"><span class="linenos">235</span></a> +</span><span id="Dialect-236"><a href="#Dialect-236"><span class="linenos">236</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="Dialect-237"><a href="#Dialect-237"><span class="linenos">237</span></a> +</span><span id="Dialect-238"><a href="#Dialect-238"><span class="linenos">238</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-239"><a href="#Dialect-239"><span class="linenos">239</span></a> <span class="k">def</span> <span class="nf">case_sensitive</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="Dialect-240"><a href="#Dialect-240"><span class="linenos">240</span></a><span class="w"> </span><span class="sd">"""Checks if text contains any case sensitive characters, based on the dialect's rules."""</span> +</span><span id="Dialect-241"><a href="#Dialect-241"><span class="linenos">241</span></a> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Dialect-242"><a href="#Dialect-242"><span class="linenos">242</span></a> <span class="k">return</span> <span class="kc">False</span> +</span><span id="Dialect-243"><a href="#Dialect-243"><span class="linenos">243</span></a> +</span><span id="Dialect-244"><a href="#Dialect-244"><span class="linenos">244</span></a> <span class="n">unsafe</span> <span class="o">=</span> <span class="nb">str</span><span class="o">.</span><span class="n">islower</span> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="k">else</span> <span class="nb">str</span><span class="o">.</span><span class="n">isupper</span> +</span><span id="Dialect-245"><a href="#Dialect-245"><span class="linenos">245</span></a> <span class="k">return</span> <span class="nb">any</span><span class="p">(</span><span class="n">unsafe</span><span class="p">(</span><span class="n">char</span><span class="p">)</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="n">text</span><span class="p">)</span> +</span><span id="Dialect-246"><a href="#Dialect-246"><span class="linenos">246</span></a> +</span><span id="Dialect-247"><a href="#Dialect-247"><span class="linenos">247</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-248"><a href="#Dialect-248"><span class="linenos">248</span></a> <span class="k">def</span> <span class="nf">can_identify</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s2">"safe"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="Dialect-249"><a href="#Dialect-249"><span class="linenos">249</span></a><span class="w"> </span><span class="sd">"""Checks if text can be identified given an identify option.</span> +</span><span id="Dialect-250"><a href="#Dialect-250"><span class="linenos">250</span></a> +</span><span id="Dialect-251"><a href="#Dialect-251"><span class="linenos">251</span></a><span class="sd"> Args:</span> +</span><span id="Dialect-252"><a href="#Dialect-252"><span class="linenos">252</span></a><span class="sd"> text: The text to check.</span> +</span><span id="Dialect-253"><a href="#Dialect-253"><span class="linenos">253</span></a><span class="sd"> identify:</span> +</span><span id="Dialect-254"><a href="#Dialect-254"><span class="linenos">254</span></a><span class="sd"> "always" or `True`: Always returns true.</span> +</span><span id="Dialect-255"><a href="#Dialect-255"><span class="linenos">255</span></a><span class="sd"> "safe": True if the identifier is case-insensitive.</span> +</span><span id="Dialect-256"><a href="#Dialect-256"><span class="linenos">256</span></a> +</span><span id="Dialect-257"><a href="#Dialect-257"><span class="linenos">257</span></a><span class="sd"> Returns:</span> +</span><span id="Dialect-258"><a href="#Dialect-258"><span class="linenos">258</span></a><span class="sd"> Whether or not the given text can be identified.</span> +</span><span id="Dialect-259"><a href="#Dialect-259"><span class="linenos">259</span></a><span class="sd"> """</span> +</span><span id="Dialect-260"><a href="#Dialect-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="ow">is</span> <span class="kc">True</span> <span class="ow">or</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"always"</span><span class="p">:</span> +</span><span id="Dialect-261"><a href="#Dialect-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="kc">True</span> +</span><span id="Dialect-262"><a href="#Dialect-262"><span class="linenos">262</span></a> +</span><span id="Dialect-263"><a href="#Dialect-263"><span class="linenos">263</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"safe"</span><span class="p">:</span> +</span><span id="Dialect-264"><a href="#Dialect-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="ow">not</span> <span class="bp">cls</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">text</span><span class="p">)</span> +</span><span id="Dialect-265"><a href="#Dialect-265"><span class="linenos">265</span></a> +</span><span id="Dialect-266"><a href="#Dialect-266"><span class="linenos">266</span></a> <span class="k">return</span> <span class="kc">False</span> +</span><span id="Dialect-267"><a href="#Dialect-267"><span class="linenos">267</span></a> +</span><span id="Dialect-268"><a href="#Dialect-268"><span class="linenos">268</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect-269"><a href="#Dialect-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">quote_identifier</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="Dialect-270"><a href="#Dialect-270"><span class="linenos">270</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span> +</span><span id="Dialect-271"><a href="#Dialect-271"><span class="linenos">271</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Dialect-272"><a href="#Dialect-272"><span class="linenos">272</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="Dialect-273"><a href="#Dialect-273"><span class="linenos">273</span></a> <span class="s2">"quoted"</span><span class="p">,</span> +</span><span id="Dialect-274"><a href="#Dialect-274"><span class="linenos">274</span></a> <span class="n">identify</span> <span class="ow">or</span> <span class="bp">cls</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">exp</span><span class="o">.</span><span class="n">SAFE_IDENTIFIER_RE</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">),</span> +</span><span id="Dialect-275"><a href="#Dialect-275"><span class="linenos">275</span></a> <span class="p">)</span> +</span><span id="Dialect-276"><a href="#Dialect-276"><span class="linenos">276</span></a> +</span><span id="Dialect-277"><a href="#Dialect-277"><span class="linenos">277</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="Dialect-278"><a href="#Dialect-278"><span class="linenos">278</span></a> +</span><span id="Dialect-279"><a href="#Dialect-279"><span class="linenos">279</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> +</span><span id="Dialect-280"><a href="#Dialect-280"><span class="linenos">280</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="Dialect-281"><a href="#Dialect-281"><span class="linenos">281</span></a> +</span><span id="Dialect-282"><a href="#Dialect-282"><span class="linenos">282</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> +</span><span id="Dialect-283"><a href="#Dialect-283"><span class="linenos">283</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> +</span><span id="Dialect-284"><a href="#Dialect-284"><span class="linenos">284</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> +</span><span id="Dialect-285"><a href="#Dialect-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> +</span><span id="Dialect-286"><a href="#Dialect-286"><span class="linenos">286</span></a> +</span><span id="Dialect-287"><a href="#Dialect-287"><span class="linenos">287</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Dialect-288"><a href="#Dialect-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="Dialect-289"><a href="#Dialect-289"><span class="linenos">289</span></a> +</span><span id="Dialect-290"><a href="#Dialect-290"><span class="linenos">290</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Dialect-291"><a href="#Dialect-291"><span class="linenos">291</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> +</span><span id="Dialect-292"><a href="#Dialect-292"><span class="linenos">292</span></a> +</span><span id="Dialect-293"><a href="#Dialect-293"><span class="linenos">293</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span> +</span><span id="Dialect-294"><a href="#Dialect-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span> +</span><span id="Dialect-295"><a href="#Dialect-295"><span class="linenos">295</span></a> +</span><span id="Dialect-296"><a href="#Dialect-296"><span class="linenos">296</span></a> <span class="nd">@property</span> +</span><span id="Dialect-297"><a href="#Dialect-297"><span class="linenos">297</span></a> <span class="k">def</span> <span class="nf">tokenizer</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tokenizer</span><span class="p">:</span> +</span><span id="Dialect-298"><a href="#Dialect-298"><span class="linenos">298</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"_tokenizer"</span><span class="p">):</span> +</span><span id="Dialect-299"><a href="#Dialect-299"><span class="linenos">299</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer_class</span><span class="p">()</span> +</span><span id="Dialect-300"><a href="#Dialect-300"><span class="linenos">300</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_tokenizer</span> +</span><span id="Dialect-301"><a href="#Dialect-301"><span class="linenos">301</span></a> +</span><span id="Dialect-302"><a href="#Dialect-302"><span class="linenos">302</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> +</span><span id="Dialect-303"><a href="#Dialect-303"><span class="linenos">303</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="Dialect-304"><a href="#Dialect-304"><span class="linenos">304</span></a> +</span><span id="Dialect-305"><a href="#Dialect-305"><span class="linenos">305</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> +</span><span id="Dialect-306"><a href="#Dialect-306"><span class="linenos">306</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> </span></pre></div> @@ -1344,20 +1482,20 @@ </div> <a class="headerlink" href="#Dialect.get_or_raise"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.get_or_raise-187"><a href="#Dialect.get_or_raise-187"><span class="linenos">187</span></a> <span class="nd">@classmethod</span> -</span><span id="Dialect.get_or_raise-188"><a href="#Dialect.get_or_raise-188"><span class="linenos">188</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> -</span><span id="Dialect.get_or_raise-189"><a href="#Dialect.get_or_raise-189"><span class="linenos">189</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> -</span><span id="Dialect.get_or_raise-190"><a href="#Dialect.get_or_raise-190"><span class="linenos">190</span></a> <span class="k">return</span> <span class="bp">cls</span> -</span><span id="Dialect.get_or_raise-191"><a href="#Dialect.get_or_raise-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> -</span><span id="Dialect.get_or_raise-192"><a href="#Dialect.get_or_raise-192"><span class="linenos">192</span></a> <span class="k">return</span> <span class="n">dialect</span> -</span><span id="Dialect.get_or_raise-193"><a href="#Dialect.get_or_raise-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> -</span><span id="Dialect.get_or_raise-194"><a href="#Dialect.get_or_raise-194"><span class="linenos">194</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> -</span><span id="Dialect.get_or_raise-195"><a href="#Dialect.get_or_raise-195"><span class="linenos">195</span></a> -</span><span id="Dialect.get_or_raise-196"><a href="#Dialect.get_or_raise-196"><span class="linenos">196</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="Dialect.get_or_raise-197"><a href="#Dialect.get_or_raise-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> -</span><span id="Dialect.get_or_raise-198"><a href="#Dialect.get_or_raise-198"><span class="linenos">198</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> -</span><span id="Dialect.get_or_raise-199"><a href="#Dialect.get_or_raise-199"><span class="linenos">199</span></a> -</span><span id="Dialect.get_or_raise-200"><a href="#Dialect.get_or_raise-200"><span class="linenos">200</span></a> <span class="k">return</span> <span class="n">result</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.get_or_raise-189"><a href="#Dialect.get_or_raise-189"><span class="linenos">189</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.get_or_raise-190"><a href="#Dialect.get_or_raise-190"><span class="linenos">190</span></a> <span class="k">def</span> <span class="nf">get_or_raise</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Dialect</span><span class="p">]:</span> +</span><span id="Dialect.get_or_raise-191"><a href="#Dialect.get_or_raise-191"><span class="linenos">191</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">dialect</span><span class="p">:</span> +</span><span id="Dialect.get_or_raise-192"><a href="#Dialect.get_or_raise-192"><span class="linenos">192</span></a> <span class="k">return</span> <span class="bp">cls</span> +</span><span id="Dialect.get_or_raise-193"><a href="#Dialect.get_or_raise-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">_Dialect</span><span class="p">):</span> +</span><span id="Dialect.get_or_raise-194"><a href="#Dialect.get_or_raise-194"><span class="linenos">194</span></a> <span class="k">return</span> <span class="n">dialect</span> +</span><span id="Dialect.get_or_raise-195"><a href="#Dialect.get_or_raise-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">dialect</span><span class="p">,</span> <span class="n">Dialect</span><span class="p">):</span> +</span><span id="Dialect.get_or_raise-196"><a href="#Dialect.get_or_raise-196"><span class="linenos">196</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="vm">__class__</span> +</span><span id="Dialect.get_or_raise-197"><a href="#Dialect.get_or_raise-197"><span class="linenos">197</span></a> +</span><span id="Dialect.get_or_raise-198"><a href="#Dialect.get_or_raise-198"><span class="linenos">198</span></a> <span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="Dialect.get_or_raise-199"><a href="#Dialect.get_or_raise-199"><span class="linenos">199</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">result</span><span class="p">:</span> +</span><span id="Dialect.get_or_raise-200"><a href="#Dialect.get_or_raise-200"><span class="linenos">200</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown dialect '</span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> +</span><span id="Dialect.get_or_raise-201"><a href="#Dialect.get_or_raise-201"><span class="linenos">201</span></a> +</span><span id="Dialect.get_or_raise-202"><a href="#Dialect.get_or_raise-202"><span class="linenos">202</span></a> <span class="k">return</span> <span class="n">result</span> </span></pre></div> @@ -1376,20 +1514,170 @@ </div> <a class="headerlink" href="#Dialect.format_time"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.format_time-202"><a href="#Dialect.format_time-202"><span class="linenos">202</span></a> <span class="nd">@classmethod</span> -</span><span id="Dialect.format_time-203"><a href="#Dialect.format_time-203"><span class="linenos">203</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> -</span><span id="Dialect.format_time-204"><a href="#Dialect.format_time-204"><span class="linenos">204</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> -</span><span id="Dialect.format_time-205"><a href="#Dialect.format_time-205"><span class="linenos">205</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> -</span><span id="Dialect.format_time-206"><a href="#Dialect.format_time-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="Dialect.format_time-207"><a href="#Dialect.format_time-207"><span class="linenos">207</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> -</span><span id="Dialect.format_time-208"><a href="#Dialect.format_time-208"><span class="linenos">208</span></a> <span class="c1"># the time formats are quoted</span> -</span><span id="Dialect.format_time-209"><a href="#Dialect.format_time-209"><span class="linenos">209</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span> -</span><span id="Dialect.format_time-210"><a href="#Dialect.format_time-210"><span class="linenos">210</span></a> <span class="p">)</span> -</span><span id="Dialect.format_time-211"><a href="#Dialect.format_time-211"><span class="linenos">211</span></a> -</span><span id="Dialect.format_time-212"><a href="#Dialect.format_time-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="Dialect.format_time-213"><a href="#Dialect.format_time-213"><span class="linenos">213</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span> -</span><span id="Dialect.format_time-214"><a href="#Dialect.format_time-214"><span class="linenos">214</span></a> -</span><span id="Dialect.format_time-215"><a href="#Dialect.format_time-215"><span class="linenos">215</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.format_time-204"><a href="#Dialect.format_time-204"><span class="linenos">204</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.format_time-205"><a href="#Dialect.format_time-205"><span class="linenos">205</span></a> <span class="k">def</span> <span class="nf">format_time</span><span class="p">(</span> +</span><span id="Dialect.format_time-206"><a href="#Dialect.format_time-206"><span class="linenos">206</span></a> <span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> +</span><span id="Dialect.format_time-207"><a href="#Dialect.format_time-207"><span class="linenos">207</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span> +</span><span id="Dialect.format_time-208"><a href="#Dialect.format_time-208"><span class="linenos">208</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="Dialect.format_time-209"><a href="#Dialect.format_time-209"><span class="linenos">209</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span> +</span><span id="Dialect.format_time-210"><a href="#Dialect.format_time-210"><span class="linenos">210</span></a> <span class="c1"># the time formats are quoted</span> +</span><span id="Dialect.format_time-211"><a href="#Dialect.format_time-211"><span class="linenos">211</span></a> <span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">)</span> +</span><span id="Dialect.format_time-212"><a href="#Dialect.format_time-212"><span class="linenos">212</span></a> <span class="p">)</span> +</span><span id="Dialect.format_time-213"><a href="#Dialect.format_time-213"><span class="linenos">213</span></a> +</span><span id="Dialect.format_time-214"><a href="#Dialect.format_time-214"><span class="linenos">214</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="Dialect.format_time-215"><a href="#Dialect.format_time-215"><span class="linenos">215</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_MAPPING</span><span class="p">,</span> <span class="bp">cls</span><span class="o">.</span><span class="n">TIME_TRIE</span><span class="p">))</span> +</span><span id="Dialect.format_time-216"><a href="#Dialect.format_time-216"><span class="linenos">216</span></a> +</span><span id="Dialect.format_time-217"><a href="#Dialect.format_time-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="n">expression</span> +</span></pre></div> + + + + + </div> + <div id="Dialect.normalize_identifier" class="classattr"> + <input id="Dialect.normalize_identifier-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + <div class="decorator">@classmethod</div> + + <span class="def">def</span> + <span class="name">normalize_identifier</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">cls</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="o">~</span><span class="n">E</span></span><span class="return-annotation">) -> <span class="o">~</span><span class="n">E</span>:</span></span> + + <label class="view-source-button" for="Dialect.normalize_identifier-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.normalize_identifier"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.normalize_identifier-219"><a href="#Dialect.normalize_identifier-219"><span class="linenos">219</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.normalize_identifier-220"><a href="#Dialect.normalize_identifier-220"><span class="linenos">220</span></a> <span class="k">def</span> <span class="nf">normalize_identifier</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="Dialect.normalize_identifier-221"><a href="#Dialect.normalize_identifier-221"><span class="linenos">221</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Dialect.normalize_identifier-222"><a href="#Dialect.normalize_identifier-222"><span class="linenos">222</span></a><span class="sd"> Normalizes an unquoted identifier to either lower or upper case, thus essentially</span> +</span><span id="Dialect.normalize_identifier-223"><a href="#Dialect.normalize_identifier-223"><span class="linenos">223</span></a><span class="sd"> making it case-insensitive. If a dialect treats all identifiers as case-insensitive,</span> +</span><span id="Dialect.normalize_identifier-224"><a href="#Dialect.normalize_identifier-224"><span class="linenos">224</span></a><span class="sd"> they will be normalized regardless of being quoted or not.</span> +</span><span id="Dialect.normalize_identifier-225"><a href="#Dialect.normalize_identifier-225"><span class="linenos">225</span></a><span class="sd"> """</span> +</span><span id="Dialect.normalize_identifier-226"><a href="#Dialect.normalize_identifier-226"><span class="linenos">226</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> +</span><span id="Dialect.normalize_identifier-227"><a href="#Dialect.normalize_identifier-227"><span class="linenos">227</span></a> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">quoted</span> <span class="ow">or</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="ow">is</span> <span class="kc">None</span> +</span><span id="Dialect.normalize_identifier-228"><a href="#Dialect.normalize_identifier-228"><span class="linenos">228</span></a> <span class="p">):</span> +</span><span id="Dialect.normalize_identifier-229"><a href="#Dialect.normalize_identifier-229"><span class="linenos">229</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="Dialect.normalize_identifier-230"><a href="#Dialect.normalize_identifier-230"><span class="linenos">230</span></a> <span class="s2">"this"</span><span class="p">,</span> +</span><span id="Dialect.normalize_identifier-231"><a href="#Dialect.normalize_identifier-231"><span class="linenos">231</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> +</span><span id="Dialect.normalize_identifier-232"><a href="#Dialect.normalize_identifier-232"><span class="linenos">232</span></a> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> +</span><span id="Dialect.normalize_identifier-233"><a href="#Dialect.normalize_identifier-233"><span class="linenos">233</span></a> <span class="k">else</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> +</span><span id="Dialect.normalize_identifier-234"><a href="#Dialect.normalize_identifier-234"><span class="linenos">234</span></a> <span class="p">)</span> +</span><span id="Dialect.normalize_identifier-235"><a href="#Dialect.normalize_identifier-235"><span class="linenos">235</span></a> +</span><span id="Dialect.normalize_identifier-236"><a href="#Dialect.normalize_identifier-236"><span class="linenos">236</span></a> <span class="k">return</span> <span class="n">expression</span> +</span></pre></div> + + + <div class="docstring"><p>Normalizes an unquoted identifier to either lower or upper case, thus essentially +making it case-insensitive. If a dialect treats all identifiers as case-insensitive, +they will be normalized regardless of being quoted or not.</p> +</div> + + + </div> + <div id="Dialect.case_sensitive" class="classattr"> + <input id="Dialect.case_sensitive-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + <div class="decorator">@classmethod</div> + + <span class="def">def</span> + <span class="name">case_sensitive</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">cls</span>, </span><span class="param"><span class="n">text</span><span class="p">:</span> <span class="nb">str</span></span><span class="return-annotation">) -> <span class="nb">bool</span>:</span></span> + + <label class="view-source-button" for="Dialect.case_sensitive-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.case_sensitive"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.case_sensitive-238"><a href="#Dialect.case_sensitive-238"><span class="linenos">238</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.case_sensitive-239"><a href="#Dialect.case_sensitive-239"><span class="linenos">239</span></a> <span class="k">def</span> <span class="nf">case_sensitive</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="Dialect.case_sensitive-240"><a href="#Dialect.case_sensitive-240"><span class="linenos">240</span></a><span class="w"> </span><span class="sd">"""Checks if text contains any case sensitive characters, based on the dialect's rules."""</span> +</span><span id="Dialect.case_sensitive-241"><a href="#Dialect.case_sensitive-241"><span class="linenos">241</span></a> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Dialect.case_sensitive-242"><a href="#Dialect.case_sensitive-242"><span class="linenos">242</span></a> <span class="k">return</span> <span class="kc">False</span> +</span><span id="Dialect.case_sensitive-243"><a href="#Dialect.case_sensitive-243"><span class="linenos">243</span></a> +</span><span id="Dialect.case_sensitive-244"><a href="#Dialect.case_sensitive-244"><span class="linenos">244</span></a> <span class="n">unsafe</span> <span class="o">=</span> <span class="nb">str</span><span class="o">.</span><span class="n">islower</span> <span class="k">if</span> <span class="bp">cls</span><span class="o">.</span><span class="n">RESOLVES_IDENTIFIERS_AS_UPPERCASE</span> <span class="k">else</span> <span class="nb">str</span><span class="o">.</span><span class="n">isupper</span> +</span><span id="Dialect.case_sensitive-245"><a href="#Dialect.case_sensitive-245"><span class="linenos">245</span></a> <span class="k">return</span> <span class="nb">any</span><span class="p">(</span><span class="n">unsafe</span><span class="p">(</span><span class="n">char</span><span class="p">)</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="n">text</span><span class="p">)</span> +</span></pre></div> + + + <div class="docstring"><p>Checks if text contains any case sensitive characters, based on the dialect's rules.</p> +</div> + + + </div> + <div id="Dialect.can_identify" class="classattr"> + <input id="Dialect.can_identify-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + <div class="decorator">@classmethod</div> + + <span class="def">def</span> + <span class="name">can_identify</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">cls</span>, </span><span class="param"><span class="n">text</span><span class="p">:</span> <span class="nb">str</span>, </span><span class="param"><span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s1">'safe'</span></span><span class="return-annotation">) -> <span class="nb">bool</span>:</span></span> + + <label class="view-source-button" for="Dialect.can_identify-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.can_identify"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.can_identify-247"><a href="#Dialect.can_identify-247"><span class="linenos">247</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.can_identify-248"><a href="#Dialect.can_identify-248"><span class="linenos">248</span></a> <span class="k">def</span> <span class="nf">can_identify</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">text</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="nb">bool</span> <span class="o">=</span> <span class="s2">"safe"</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="Dialect.can_identify-249"><a href="#Dialect.can_identify-249"><span class="linenos">249</span></a><span class="w"> </span><span class="sd">"""Checks if text can be identified given an identify option.</span> +</span><span id="Dialect.can_identify-250"><a href="#Dialect.can_identify-250"><span class="linenos">250</span></a> +</span><span id="Dialect.can_identify-251"><a href="#Dialect.can_identify-251"><span class="linenos">251</span></a><span class="sd"> Args:</span> +</span><span id="Dialect.can_identify-252"><a href="#Dialect.can_identify-252"><span class="linenos">252</span></a><span class="sd"> text: The text to check.</span> +</span><span id="Dialect.can_identify-253"><a href="#Dialect.can_identify-253"><span class="linenos">253</span></a><span class="sd"> identify:</span> +</span><span id="Dialect.can_identify-254"><a href="#Dialect.can_identify-254"><span class="linenos">254</span></a><span class="sd"> "always" or `True`: Always returns true.</span> +</span><span id="Dialect.can_identify-255"><a href="#Dialect.can_identify-255"><span class="linenos">255</span></a><span class="sd"> "safe": True if the identifier is case-insensitive.</span> +</span><span id="Dialect.can_identify-256"><a href="#Dialect.can_identify-256"><span class="linenos">256</span></a> +</span><span id="Dialect.can_identify-257"><a href="#Dialect.can_identify-257"><span class="linenos">257</span></a><span class="sd"> Returns:</span> +</span><span id="Dialect.can_identify-258"><a href="#Dialect.can_identify-258"><span class="linenos">258</span></a><span class="sd"> Whether or not the given text can be identified.</span> +</span><span id="Dialect.can_identify-259"><a href="#Dialect.can_identify-259"><span class="linenos">259</span></a><span class="sd"> """</span> +</span><span id="Dialect.can_identify-260"><a href="#Dialect.can_identify-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="ow">is</span> <span class="kc">True</span> <span class="ow">or</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"always"</span><span class="p">:</span> +</span><span id="Dialect.can_identify-261"><a href="#Dialect.can_identify-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="kc">True</span> +</span><span id="Dialect.can_identify-262"><a href="#Dialect.can_identify-262"><span class="linenos">262</span></a> +</span><span id="Dialect.can_identify-263"><a href="#Dialect.can_identify-263"><span class="linenos">263</span></a> <span class="k">if</span> <span class="n">identify</span> <span class="o">==</span> <span class="s2">"safe"</span><span class="p">:</span> +</span><span id="Dialect.can_identify-264"><a href="#Dialect.can_identify-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="ow">not</span> <span class="bp">cls</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">text</span><span class="p">)</span> +</span><span id="Dialect.can_identify-265"><a href="#Dialect.can_identify-265"><span class="linenos">265</span></a> +</span><span id="Dialect.can_identify-266"><a href="#Dialect.can_identify-266"><span class="linenos">266</span></a> <span class="k">return</span> <span class="kc">False</span> +</span></pre></div> + + + <div class="docstring"><p>Checks if text can be identified given an identify option.</p> + +<h6 id="arguments">Arguments:</h6> + +<ul> +<li><strong>text:</strong> The text to check.</li> +<li><strong>identify:</strong> "always" or <code>True</code>: Always returns true. +"safe": True if the identifier is case-insensitive.</li> +</ul> + +<h6 id="returns">Returns:</h6> + +<blockquote> + <p>Whether or not the given text can be identified.</p> +</blockquote> +</div> + + + </div> + <div id="Dialect.quote_identifier" class="classattr"> + <input id="Dialect.quote_identifier-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> +<div class="attr function"> + <div class="decorator">@classmethod</div> + + <span class="def">def</span> + <span class="name">quote_identifier</span><span class="signature pdoc-code condensed">(<span class="param"><span class="bp">cls</span>, </span><span class="param"><span class="n">expression</span><span class="p">:</span> <span class="o">~</span><span class="n">E</span>, </span><span class="param"><span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span></span><span class="return-annotation">) -> <span class="o">~</span><span class="n">E</span>:</span></span> + + <label class="view-source-button" for="Dialect.quote_identifier-view-source"><span>View Source</span></label> + + </div> + <a class="headerlink" href="#Dialect.quote_identifier"></a> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.quote_identifier-268"><a href="#Dialect.quote_identifier-268"><span class="linenos">268</span></a> <span class="nd">@classmethod</span> +</span><span id="Dialect.quote_identifier-269"><a href="#Dialect.quote_identifier-269"><span class="linenos">269</span></a> <span class="k">def</span> <span class="nf">quote_identifier</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="Dialect.quote_identifier-270"><a href="#Dialect.quote_identifier-270"><span class="linenos">270</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">):</span> +</span><span id="Dialect.quote_identifier-271"><a href="#Dialect.quote_identifier-271"><span class="linenos">271</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="Dialect.quote_identifier-272"><a href="#Dialect.quote_identifier-272"><span class="linenos">272</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="Dialect.quote_identifier-273"><a href="#Dialect.quote_identifier-273"><span class="linenos">273</span></a> <span class="s2">"quoted"</span><span class="p">,</span> +</span><span id="Dialect.quote_identifier-274"><a href="#Dialect.quote_identifier-274"><span class="linenos">274</span></a> <span class="n">identify</span> <span class="ow">or</span> <span class="bp">cls</span><span class="o">.</span><span class="n">case_sensitive</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">exp</span><span class="o">.</span><span class="n">SAFE_IDENTIFIER_RE</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">name</span><span class="p">),</span> +</span><span id="Dialect.quote_identifier-275"><a href="#Dialect.quote_identifier-275"><span class="linenos">275</span></a> <span class="p">)</span> +</span><span id="Dialect.quote_identifier-276"><a href="#Dialect.quote_identifier-276"><span class="linenos">276</span></a> +</span><span id="Dialect.quote_identifier-277"><a href="#Dialect.quote_identifier-277"><span class="linenos">277</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1407,8 +1695,8 @@ </div> <a class="headerlink" href="#Dialect.parse"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse-217"><a href="#Dialect.parse-217"><span class="linenos">217</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> -</span><span id="Dialect.parse-218"><a href="#Dialect.parse-218"><span class="linenos">218</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse-279"><a href="#Dialect.parse-279"><span class="linenos">279</span></a> <span class="k">def</span> <span class="nf">parse</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> +</span><span id="Dialect.parse-280"><a href="#Dialect.parse-280"><span class="linenos">280</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> </span></pre></div> @@ -1426,10 +1714,10 @@ </div> <a class="headerlink" href="#Dialect.parse_into"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse_into-220"><a href="#Dialect.parse_into-220"><span class="linenos">220</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> -</span><span id="Dialect.parse_into-221"><a href="#Dialect.parse_into-221"><span class="linenos">221</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> -</span><span id="Dialect.parse_into-222"><a href="#Dialect.parse_into-222"><span class="linenos">222</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> -</span><span id="Dialect.parse_into-223"><a href="#Dialect.parse_into-223"><span class="linenos">223</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parse_into-282"><a href="#Dialect.parse_into-282"><span class="linenos">282</span></a> <span class="k">def</span> <span class="nf">parse_into</span><span class="p">(</span> +</span><span id="Dialect.parse_into-283"><a href="#Dialect.parse_into-283"><span class="linenos">283</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">expression_type</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">IntoType</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span> +</span><span id="Dialect.parse_into-284"><a href="#Dialect.parse_into-284"><span class="linenos">284</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]]:</span> +</span><span id="Dialect.parse_into-285"><a href="#Dialect.parse_into-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">expression_type</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">),</span> <span class="n">sql</span><span class="p">)</span> </span></pre></div> @@ -1447,8 +1735,8 @@ </div> <a class="headerlink" href="#Dialect.generate"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generate-225"><a href="#Dialect.generate-225"><span class="linenos">225</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="Dialect.generate-226"><a href="#Dialect.generate-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generate-287"><a href="#Dialect.generate-287"><span class="linenos">287</span></a> <span class="k">def</span> <span class="nf">generate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="Dialect.generate-288"><a href="#Dialect.generate-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -1466,8 +1754,8 @@ </div> <a class="headerlink" href="#Dialect.transpile"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.transpile-228"><a href="#Dialect.transpile-228"><span class="linenos">228</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="Dialect.transpile-229"><a href="#Dialect.transpile-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.transpile-290"><a href="#Dialect.transpile-290"><span class="linenos">290</span></a> <span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="Dialect.transpile-291"><a href="#Dialect.transpile-291"><span class="linenos">291</span></a> <span class="k">return</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">generate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">)]</span> </span></pre></div> @@ -1485,8 +1773,8 @@ </div> <a class="headerlink" href="#Dialect.tokenize"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.tokenize-231"><a href="#Dialect.tokenize-231"><span class="linenos">231</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span> -</span><span id="Dialect.tokenize-232"><a href="#Dialect.tokenize-232"><span class="linenos">232</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.tokenize-293"><a href="#Dialect.tokenize-293"><span class="linenos">293</span></a> <span class="k">def</span> <span class="nf">tokenize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">Token</span><span class="p">]:</span> +</span><span id="Dialect.tokenize-294"><a href="#Dialect.tokenize-294"><span class="linenos">294</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">tokenizer</span><span class="o">.</span><span class="n">tokenize</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span> </span></pre></div> @@ -1504,8 +1792,8 @@ </div> <a class="headerlink" href="#Dialect.parser"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parser-240"><a href="#Dialect.parser-240"><span class="linenos">240</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> -</span><span id="Dialect.parser-241"><a href="#Dialect.parser-241"><span class="linenos">241</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.parser-302"><a href="#Dialect.parser-302"><span class="linenos">302</span></a> <span class="k">def</span> <span class="nf">parser</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Parser</span><span class="p">:</span> +</span><span id="Dialect.parser-303"><a href="#Dialect.parser-303"><span class="linenos">303</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parser_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> </span></pre></div> @@ -1523,8 +1811,8 @@ </div> <a class="headerlink" href="#Dialect.generator"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generator-243"><a href="#Dialect.generator-243"><span class="linenos">243</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> -</span><span id="Dialect.generator-244"><a href="#Dialect.generator-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Dialect.generator-305"><a href="#Dialect.generator-305"><span class="linenos">305</span></a> <span class="k">def</span> <span class="nf">generator</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> <span class="o">-></span> <span class="n">Generator</span><span class="p">:</span> +</span><span id="Dialect.generator-306"><a href="#Dialect.generator-306"><span class="linenos">306</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">generator_class</span><span class="p">(</span><span class="o">**</span><span class="n">opts</span><span class="p">)</span> </span></pre></div> @@ -1543,8 +1831,8 @@ </div> <a class="headerlink" href="#rename_func"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="rename_func-250"><a href="#rename_func-250"><span class="linenos">250</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> -</span><span id="rename_func-251"><a href="#rename_func-251"><span class="linenos">251</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">*</span><span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="rename_func-312"><a href="#rename_func-312"><span class="linenos">312</span></a><span class="k">def</span> <span class="nf">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">Generator</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="nb">str</span><span class="p">]:</span> +</span><span id="rename_func-313"><a href="#rename_func-313"><span class="linenos">313</span></a> <span class="k">return</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="o">*</span><span class="n">flatten</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()))</span> </span></pre></div> @@ -1562,10 +1850,10 @@ </div> <a class="headerlink" href="#approx_count_distinct_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="approx_count_distinct_sql-254"><a href="#approx_count_distinct_sql-254"><span class="linenos">254</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="approx_count_distinct_sql-255"><a href="#approx_count_distinct_sql-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span> -</span><span id="approx_count_distinct_sql-256"><a href="#approx_count_distinct_sql-256"><span class="linenos">256</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span> -</span><span id="approx_count_distinct_sql-257"><a href="#approx_count_distinct_sql-257"><span class="linenos">257</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="approx_count_distinct_sql-316"><a href="#approx_count_distinct_sql-316"><span class="linenos">316</span></a><span class="k">def</span> <span class="nf">approx_count_distinct_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ApproxDistinct</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="approx_count_distinct_sql-317"><a href="#approx_count_distinct_sql-317"><span class="linenos">317</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"accuracy"</span><span class="p">):</span> +</span><span id="approx_count_distinct_sql-318"><a href="#approx_count_distinct_sql-318"><span class="linenos">318</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT does not support accuracy"</span><span class="p">)</span> +</span><span id="approx_count_distinct_sql-319"><a href="#approx_count_distinct_sql-319"><span class="linenos">319</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"APPROX_COUNT_DISTINCT"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> </span></pre></div> @@ -1583,10 +1871,10 @@ </div> <a class="headerlink" href="#if_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="if_sql-260"><a href="#if_sql-260"><span class="linenos">260</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="if_sql-261"><a href="#if_sql-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="if_sql-262"><a href="#if_sql-262"><span class="linenos">262</span></a> <span class="s2">"IF"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> -</span><span id="if_sql-263"><a href="#if_sql-263"><span class="linenos">263</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="if_sql-322"><a href="#if_sql-322"><span class="linenos">322</span></a><span class="k">def</span> <span class="nf">if_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="if_sql-323"><a href="#if_sql-323"><span class="linenos">323</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> +</span><span id="if_sql-324"><a href="#if_sql-324"><span class="linenos">324</span></a> <span class="s2">"IF"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"true"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"false"</span><span class="p">)</span> +</span><span id="if_sql-325"><a href="#if_sql-325"><span class="linenos">325</span></a> <span class="p">)</span> </span></pre></div> @@ -1604,8 +1892,8 @@ </div> <a class="headerlink" href="#arrow_json_extract_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_sql-266"><a href="#arrow_json_extract_sql-266"><span class="linenos">266</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="arrow_json_extract_sql-267"><a href="#arrow_json_extract_sql-267"><span class="linenos">267</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_sql-328"><a href="#arrow_json_extract_sql-328"><span class="linenos">328</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtract</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="arrow_json_extract_sql-329"><a href="#arrow_json_extract_sql-329"><span class="linenos">329</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->"</span><span class="p">)</span> </span></pre></div> @@ -1623,10 +1911,10 @@ </div> <a class="headerlink" href="#arrow_json_extract_scalar_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_scalar_sql-270"><a href="#arrow_json_extract_scalar_sql-270"><span class="linenos">270</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span> -</span><span id="arrow_json_extract_scalar_sql-271"><a href="#arrow_json_extract_scalar_sql-271"><span class="linenos">271</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span> -</span><span id="arrow_json_extract_scalar_sql-272"><a href="#arrow_json_extract_scalar_sql-272"><span class="linenos">272</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="arrow_json_extract_scalar_sql-273"><a href="#arrow_json_extract_scalar_sql-273"><span class="linenos">273</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="arrow_json_extract_scalar_sql-332"><a href="#arrow_json_extract_scalar_sql-332"><span class="linenos">332</span></a><span class="k">def</span> <span class="nf">arrow_json_extract_scalar_sql</span><span class="p">(</span> +</span><span id="arrow_json_extract_scalar_sql-333"><a href="#arrow_json_extract_scalar_sql-333"><span class="linenos">333</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONExtractScalar</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">JSONBExtractScalar</span> +</span><span id="arrow_json_extract_scalar_sql-334"><a href="#arrow_json_extract_scalar_sql-334"><span class="linenos">334</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="arrow_json_extract_scalar_sql-335"><a href="#arrow_json_extract_scalar_sql-335"><span class="linenos">335</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"->>"</span><span class="p">)</span> </span></pre></div> @@ -1644,8 +1932,8 @@ </div> <a class="headerlink" href="#inline_array_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="inline_array_sql-276"><a href="#inline_array_sql-276"><span class="linenos">276</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="inline_array_sql-277"><a href="#inline_array_sql-277"><span class="linenos">277</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="inline_array_sql-338"><a href="#inline_array_sql-338"><span class="linenos">338</span></a><span class="k">def</span> <span class="nf">inline_array_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="inline_array_sql-339"><a href="#inline_array_sql-339"><span class="linenos">339</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"[</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">expressions</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2">]"</span> </span></pre></div> @@ -1663,10 +1951,10 @@ </div> <a class="headerlink" href="#no_ilike_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_ilike_sql-280"><a href="#no_ilike_sql-280"><span class="linenos">280</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_ilike_sql-281"><a href="#no_ilike_sql-281"><span class="linenos">281</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span> -</span><span id="no_ilike_sql-282"><a href="#no_ilike_sql-282"><span class="linenos">282</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> -</span><span id="no_ilike_sql-283"><a href="#no_ilike_sql-283"><span class="linenos">283</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_ilike_sql-342"><a href="#no_ilike_sql-342"><span class="linenos">342</span></a><span class="k">def</span> <span class="nf">no_ilike_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">ILike</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_ilike_sql-343"><a href="#no_ilike_sql-343"><span class="linenos">343</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">like_sql</span><span class="p">(</span> +</span><span id="no_ilike_sql-344"><a href="#no_ilike_sql-344"><span class="linenos">344</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Like</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Lower</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span> +</span><span id="no_ilike_sql-345"><a href="#no_ilike_sql-345"><span class="linenos">345</span></a> <span class="p">)</span> </span></pre></div> @@ -1684,9 +1972,9 @@ </div> <a class="headerlink" href="#no_paren_current_date_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_paren_current_date_sql-286"><a href="#no_paren_current_date_sql-286"><span class="linenos">286</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_paren_current_date_sql-287"><a href="#no_paren_current_date_sql-287"><span class="linenos">287</span></a> <span class="n">zone</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="no_paren_current_date_sql-288"><a href="#no_paren_current_date_sql-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_paren_current_date_sql-348"><a href="#no_paren_current_date_sql-348"><span class="linenos">348</span></a><span class="k">def</span> <span class="nf">no_paren_current_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CurrentDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_paren_current_date_sql-349"><a href="#no_paren_current_date_sql-349"><span class="linenos">349</span></a> <span class="n">zone</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="no_paren_current_date_sql-350"><a href="#no_paren_current_date_sql-350"><span class="linenos">350</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CURRENT_DATE AT TIME ZONE </span><span class="si">{</span><span class="n">zone</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">zone</span> <span class="k">else</span> <span class="s2">"CURRENT_DATE"</span> </span></pre></div> @@ -1704,11 +1992,11 @@ </div> <a class="headerlink" href="#no_recursive_cte_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_recursive_cte_sql-291"><a href="#no_recursive_cte_sql-291"><span class="linenos">291</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_recursive_cte_sql-292"><a href="#no_recursive_cte_sql-292"><span class="linenos">292</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span> -</span><span id="no_recursive_cte_sql-293"><a href="#no_recursive_cte_sql-293"><span class="linenos">293</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span> -</span><span id="no_recursive_cte_sql-294"><a href="#no_recursive_cte_sql-294"><span class="linenos">294</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="no_recursive_cte_sql-295"><a href="#no_recursive_cte_sql-295"><span class="linenos">295</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_recursive_cte_sql-353"><a href="#no_recursive_cte_sql-353"><span class="linenos">353</span></a><span class="k">def</span> <span class="nf">no_recursive_cte_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">With</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_recursive_cte_sql-354"><a href="#no_recursive_cte_sql-354"><span class="linenos">354</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"recursive"</span><span class="p">):</span> +</span><span id="no_recursive_cte_sql-355"><a href="#no_recursive_cte_sql-355"><span class="linenos">355</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Recursive CTEs are unsupported"</span><span class="p">)</span> +</span><span id="no_recursive_cte_sql-356"><a href="#no_recursive_cte_sql-356"><span class="linenos">356</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"recursive"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="no_recursive_cte_sql-357"><a href="#no_recursive_cte_sql-357"><span class="linenos">357</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">with_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -1726,10 +2014,10 @@ </div> <a class="headerlink" href="#no_safe_divide_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_safe_divide_sql-298"><a href="#no_safe_divide_sql-298"><span class="linenos">298</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_safe_divide_sql-299"><a href="#no_safe_divide_sql-299"><span class="linenos">299</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="no_safe_divide_sql-300"><a href="#no_safe_divide_sql-300"><span class="linenos">300</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> -</span><span id="no_safe_divide_sql-301"><a href="#no_safe_divide_sql-301"><span class="linenos">301</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_safe_divide_sql-360"><a href="#no_safe_divide_sql-360"><span class="linenos">360</span></a><span class="k">def</span> <span class="nf">no_safe_divide_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeDivide</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_safe_divide_sql-361"><a href="#no_safe_divide_sql-361"><span class="linenos">361</span></a> <span class="n">n</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="no_safe_divide_sql-362"><a href="#no_safe_divide_sql-362"><span class="linenos">362</span></a> <span class="n">d</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> +</span><span id="no_safe_divide_sql-363"><a href="#no_safe_divide_sql-363"><span class="linenos">363</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"IF(</span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2"> <> 0, </span><span class="si">{</span><span class="n">n</span><span class="si">}</span><span class="s2"> / </span><span class="si">{</span><span class="n">d</span><span class="si">}</span><span class="s2">, NULL)"</span> </span></pre></div> @@ -1747,9 +2035,9 @@ </div> <a class="headerlink" href="#no_tablesample_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_tablesample_sql-304"><a href="#no_tablesample_sql-304"><span class="linenos">304</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_tablesample_sql-305"><a href="#no_tablesample_sql-305"><span class="linenos">305</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span> -</span><span id="no_tablesample_sql-306"><a href="#no_tablesample_sql-306"><span class="linenos">306</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_tablesample_sql-366"><a href="#no_tablesample_sql-366"><span class="linenos">366</span></a><span class="k">def</span> <span class="nf">no_tablesample_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableSample</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_tablesample_sql-367"><a href="#no_tablesample_sql-367"><span class="linenos">367</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"TABLESAMPLE unsupported"</span><span class="p">)</span> +</span><span id="no_tablesample_sql-368"><a href="#no_tablesample_sql-368"><span class="linenos">368</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> </span></pre></div> @@ -1767,9 +2055,9 @@ </div> <a class="headerlink" href="#no_pivot_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_pivot_sql-309"><a href="#no_pivot_sql-309"><span class="linenos">309</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_pivot_sql-310"><a href="#no_pivot_sql-310"><span class="linenos">310</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span> -</span><span id="no_pivot_sql-311"><a href="#no_pivot_sql-311"><span class="linenos">311</span></a> <span class="k">return</span> <span class="s2">""</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_pivot_sql-371"><a href="#no_pivot_sql-371"><span class="linenos">371</span></a><span class="k">def</span> <span class="nf">no_pivot_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_pivot_sql-372"><a href="#no_pivot_sql-372"><span class="linenos">372</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"PIVOT unsupported"</span><span class="p">)</span> +</span><span id="no_pivot_sql-373"><a href="#no_pivot_sql-373"><span class="linenos">373</span></a> <span class="k">return</span> <span class="s2">""</span> </span></pre></div> @@ -1787,8 +2075,8 @@ </div> <a class="headerlink" href="#no_trycast_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_trycast_sql-314"><a href="#no_trycast_sql-314"><span class="linenos">314</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_trycast_sql-315"><a href="#no_trycast_sql-315"><span class="linenos">315</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_trycast_sql-376"><a href="#no_trycast_sql-376"><span class="linenos">376</span></a><span class="k">def</span> <span class="nf">no_trycast_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TryCast</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_trycast_sql-377"><a href="#no_trycast_sql-377"><span class="linenos">377</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">cast_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -1806,9 +2094,9 @@ </div> <a class="headerlink" href="#no_properties_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_properties_sql-318"><a href="#no_properties_sql-318"><span class="linenos">318</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_properties_sql-319"><a href="#no_properties_sql-319"><span class="linenos">319</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span> -</span><span id="no_properties_sql-320"><a href="#no_properties_sql-320"><span class="linenos">320</span></a> <span class="k">return</span> <span class="s2">""</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_properties_sql-380"><a href="#no_properties_sql-380"><span class="linenos">380</span></a><span class="k">def</span> <span class="nf">no_properties_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Properties</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_properties_sql-381"><a href="#no_properties_sql-381"><span class="linenos">381</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Properties unsupported"</span><span class="p">)</span> +</span><span id="no_properties_sql-382"><a href="#no_properties_sql-382"><span class="linenos">382</span></a> <span class="k">return</span> <span class="s2">""</span> </span></pre></div> @@ -1826,11 +2114,11 @@ </div> <a class="headerlink" href="#no_comment_column_constraint_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="no_comment_column_constraint_sql-323"><a href="#no_comment_column_constraint_sql-323"><span class="linenos">323</span></a><span class="k">def</span> <span class="nf">no_comment_column_constraint_sql</span><span class="p">(</span> -</span><span id="no_comment_column_constraint_sql-324"><a href="#no_comment_column_constraint_sql-324"><span class="linenos">324</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CommentColumnConstraint</span> -</span><span id="no_comment_column_constraint_sql-325"><a href="#no_comment_column_constraint_sql-325"><span class="linenos">325</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="no_comment_column_constraint_sql-326"><a href="#no_comment_column_constraint_sql-326"><span class="linenos">326</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"CommentColumnConstraint unsupported"</span><span class="p">)</span> -</span><span id="no_comment_column_constraint_sql-327"><a href="#no_comment_column_constraint_sql-327"><span class="linenos">327</span></a> <span class="k">return</span> <span class="s2">""</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="no_comment_column_constraint_sql-385"><a href="#no_comment_column_constraint_sql-385"><span class="linenos">385</span></a><span class="k">def</span> <span class="nf">no_comment_column_constraint_sql</span><span class="p">(</span> +</span><span id="no_comment_column_constraint_sql-386"><a href="#no_comment_column_constraint_sql-386"><span class="linenos">386</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CommentColumnConstraint</span> +</span><span id="no_comment_column_constraint_sql-387"><a href="#no_comment_column_constraint_sql-387"><span class="linenos">387</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="no_comment_column_constraint_sql-388"><a href="#no_comment_column_constraint_sql-388"><span class="linenos">388</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"CommentColumnConstraint unsupported"</span><span class="p">)</span> +</span><span id="no_comment_column_constraint_sql-389"><a href="#no_comment_column_constraint_sql-389"><span class="linenos">389</span></a> <span class="k">return</span> <span class="s2">""</span> </span></pre></div> @@ -1848,13 +2136,13 @@ </div> <a class="headerlink" href="#str_position_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="str_position_sql-330"><a href="#str_position_sql-330"><span class="linenos">330</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="str_position_sql-331"><a href="#str_position_sql-331"><span class="linenos">331</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="str_position_sql-332"><a href="#str_position_sql-332"><span class="linenos">332</span></a> <span class="n">substr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"substr"</span><span class="p">)</span> -</span><span id="str_position_sql-333"><a href="#str_position_sql-333"><span class="linenos">333</span></a> <span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> -</span><span id="str_position_sql-334"><a href="#str_position_sql-334"><span class="linenos">334</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span> -</span><span id="str_position_sql-335"><a href="#str_position_sql-335"><span class="linenos">335</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span> -</span><span id="str_position_sql-336"><a href="#str_position_sql-336"><span class="linenos">336</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="str_position_sql-392"><a href="#str_position_sql-392"><span class="linenos">392</span></a><span class="k">def</span> <span class="nf">str_position_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="str_position_sql-393"><a href="#str_position_sql-393"><span class="linenos">393</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="str_position_sql-394"><a href="#str_position_sql-394"><span class="linenos">394</span></a> <span class="n">substr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"substr"</span><span class="p">)</span> +</span><span id="str_position_sql-395"><a href="#str_position_sql-395"><span class="linenos">395</span></a> <span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> +</span><span id="str_position_sql-396"><a href="#str_position_sql-396"><span class="linenos">396</span></a> <span class="k">if</span> <span class="n">position</span><span class="p">:</span> +</span><span id="str_position_sql-397"><a href="#str_position_sql-397"><span class="linenos">397</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(SUBSTR(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">) + </span><span class="si">{</span><span class="n">position</span><span class="si">}</span><span class="s2"> - 1"</span> +</span><span id="str_position_sql-398"><a href="#str_position_sql-398"><span class="linenos">398</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"STRPOS(</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">, </span><span class="si">{</span><span class="n">substr</span><span class="si">}</span><span class="s2">)"</span> </span></pre></div> @@ -1872,10 +2160,10 @@ </div> <a class="headerlink" href="#struct_extract_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="struct_extract_sql-339"><a href="#struct_extract_sql-339"><span class="linenos">339</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="struct_extract_sql-340"><a href="#struct_extract_sql-340"><span class="linenos">340</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="struct_extract_sql-341"><a href="#struct_extract_sql-341"><span class="linenos">341</span></a> <span class="n">struct_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> -</span><span id="struct_extract_sql-342"><a href="#struct_extract_sql-342"><span class="linenos">342</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">struct_key</span><span class="si">}</span><span class="s2">"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="struct_extract_sql-401"><a href="#struct_extract_sql-401"><span class="linenos">401</span></a><span class="k">def</span> <span class="nf">struct_extract_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StructExtract</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="struct_extract_sql-402"><a href="#struct_extract_sql-402"><span class="linenos">402</span></a> <span class="n">this</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="struct_extract_sql-403"><a href="#struct_extract_sql-403"><span class="linenos">403</span></a> <span class="n">struct_key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">True</span><span class="p">))</span> +</span><span id="struct_extract_sql-404"><a href="#struct_extract_sql-404"><span class="linenos">404</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">this</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">struct_key</span><span class="si">}</span><span class="s2">"</span> </span></pre></div> @@ -1893,22 +2181,22 @@ </div> <a class="headerlink" href="#var_map_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="var_map_sql-345"><a href="#var_map_sql-345"><span class="linenos">345</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span> -</span><span id="var_map_sql-346"><a href="#var_map_sql-346"><span class="linenos">346</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span> -</span><span id="var_map_sql-347"><a href="#var_map_sql-347"><span class="linenos">347</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="var_map_sql-348"><a href="#var_map_sql-348"><span class="linenos">348</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span> -</span><span id="var_map_sql-349"><a href="#var_map_sql-349"><span class="linenos">349</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span> -</span><span id="var_map_sql-350"><a href="#var_map_sql-350"><span class="linenos">350</span></a> -</span><span id="var_map_sql-351"><a href="#var_map_sql-351"><span class="linenos">351</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span> -</span><span id="var_map_sql-352"><a href="#var_map_sql-352"><span class="linenos">352</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span> -</span><span id="var_map_sql-353"><a href="#var_map_sql-353"><span class="linenos">353</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="n">keys</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span> -</span><span id="var_map_sql-354"><a href="#var_map_sql-354"><span class="linenos">354</span></a> -</span><span id="var_map_sql-355"><a href="#var_map_sql-355"><span class="linenos">355</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="var_map_sql-356"><a href="#var_map_sql-356"><span class="linenos">356</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span> -</span><span id="var_map_sql-357"><a href="#var_map_sql-357"><span class="linenos">357</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> -</span><span id="var_map_sql-358"><a href="#var_map_sql-358"><span class="linenos">358</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> -</span><span id="var_map_sql-359"><a href="#var_map_sql-359"><span class="linenos">359</span></a> -</span><span id="var_map_sql-360"><a href="#var_map_sql-360"><span class="linenos">360</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="var_map_sql-407"><a href="#var_map_sql-407"><span class="linenos">407</span></a><span class="k">def</span> <span class="nf">var_map_sql</span><span class="p">(</span> +</span><span id="var_map_sql-408"><a href="#var_map_sql-408"><span class="linenos">408</span></a> <span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Map</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">VarMap</span><span class="p">,</span> <span class="n">map_func_name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"MAP"</span> +</span><span id="var_map_sql-409"><a href="#var_map_sql-409"><span class="linenos">409</span></a><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="var_map_sql-410"><a href="#var_map_sql-410"><span class="linenos">410</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"keys"</span><span class="p">]</span> +</span><span id="var_map_sql-411"><a href="#var_map_sql-411"><span class="linenos">411</span></a> <span class="n">values</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"values"</span><span class="p">]</span> +</span><span id="var_map_sql-412"><a href="#var_map_sql-412"><span class="linenos">412</span></a> +</span><span id="var_map_sql-413"><a href="#var_map_sql-413"><span class="linenos">413</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">values</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Array</span><span class="p">):</span> +</span><span id="var_map_sql-414"><a href="#var_map_sql-414"><span class="linenos">414</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"Cannot convert array columns into map."</span><span class="p">)</span> +</span><span id="var_map_sql-415"><a href="#var_map_sql-415"><span class="linenos">415</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="n">keys</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span> +</span><span id="var_map_sql-416"><a href="#var_map_sql-416"><span class="linenos">416</span></a> +</span><span id="var_map_sql-417"><a href="#var_map_sql-417"><span class="linenos">417</span></a> <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="var_map_sql-418"><a href="#var_map_sql-418"><span class="linenos">418</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="o">.</span><span class="n">expressions</span><span class="p">,</span> <span class="n">values</span><span class="o">.</span><span class="n">expressions</span><span class="p">):</span> +</span><span id="var_map_sql-419"><a href="#var_map_sql-419"><span class="linenos">419</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">key</span><span class="p">))</span> +</span><span id="var_map_sql-420"><a href="#var_map_sql-420"><span class="linenos">420</span></a> <span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">value</span><span class="p">))</span> +</span><span id="var_map_sql-421"><a href="#var_map_sql-421"><span class="linenos">421</span></a> +</span><span id="var_map_sql-422"><a href="#var_map_sql-422"><span class="linenos">422</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="n">map_func_name</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">)</span> </span></pre></div> @@ -1926,30 +2214,30 @@ </div> <a class="headerlink" href="#format_time_lambda"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="format_time_lambda-363"><a href="#format_time_lambda-363"><span class="linenos">363</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span> -</span><span id="format_time_lambda-364"><a href="#format_time_lambda-364"><span class="linenos">364</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="format_time_lambda-365"><a href="#format_time_lambda-365"><span class="linenos">365</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> -</span><span id="format_time_lambda-366"><a href="#format_time_lambda-366"><span class="linenos">366</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span> -</span><span id="format_time_lambda-367"><a href="#format_time_lambda-367"><span class="linenos">367</span></a> -</span><span id="format_time_lambda-368"><a href="#format_time_lambda-368"><span class="linenos">368</span></a><span class="sd"> Args:</span> -</span><span id="format_time_lambda-369"><a href="#format_time_lambda-369"><span class="linenos">369</span></a><span class="sd"> exp_class: the expression class to instantiate.</span> -</span><span id="format_time_lambda-370"><a href="#format_time_lambda-370"><span class="linenos">370</span></a><span class="sd"> dialect: target sql dialect.</span> -</span><span id="format_time_lambda-371"><a href="#format_time_lambda-371"><span class="linenos">371</span></a><span class="sd"> default: the default format, True being time.</span> -</span><span id="format_time_lambda-372"><a href="#format_time_lambda-372"><span class="linenos">372</span></a> -</span><span id="format_time_lambda-373"><a href="#format_time_lambda-373"><span class="linenos">373</span></a><span class="sd"> Returns:</span> -</span><span id="format_time_lambda-374"><a href="#format_time_lambda-374"><span class="linenos">374</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span> -</span><span id="format_time_lambda-375"><a href="#format_time_lambda-375"><span class="linenos">375</span></a><span class="sd"> """</span> -</span><span id="format_time_lambda-376"><a href="#format_time_lambda-376"><span class="linenos">376</span></a> -</span><span id="format_time_lambda-377"><a href="#format_time_lambda-377"><span class="linenos">377</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">):</span> -</span><span id="format_time_lambda-378"><a href="#format_time_lambda-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span> -</span><span id="format_time_lambda-379"><a href="#format_time_lambda-379"><span class="linenos">379</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> -</span><span id="format_time_lambda-380"><a href="#format_time_lambda-380"><span class="linenos">380</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span> -</span><span id="format_time_lambda-381"><a href="#format_time_lambda-381"><span class="linenos">381</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="format_time_lambda-382"><a href="#format_time_lambda-382"><span class="linenos">382</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="format_time_lambda-383"><a href="#format_time_lambda-383"><span class="linenos">383</span></a> <span class="p">),</span> -</span><span id="format_time_lambda-384"><a href="#format_time_lambda-384"><span class="linenos">384</span></a> <span class="p">)</span> -</span><span id="format_time_lambda-385"><a href="#format_time_lambda-385"><span class="linenos">385</span></a> -</span><span id="format_time_lambda-386"><a href="#format_time_lambda-386"><span class="linenos">386</span></a> <span class="k">return</span> <span class="n">_format_time</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="format_time_lambda-425"><a href="#format_time_lambda-425"><span class="linenos">425</span></a><span class="k">def</span> <span class="nf">format_time_lambda</span><span class="p">(</span> +</span><span id="format_time_lambda-426"><a href="#format_time_lambda-426"><span class="linenos">426</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">default</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="nb">bool</span> <span class="o">|</span> <span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="format_time_lambda-427"><a href="#format_time_lambda-427"><span class="linenos">427</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="format_time_lambda-428"><a href="#format_time_lambda-428"><span class="linenos">428</span></a><span class="w"> </span><span class="sd">"""Helper used for time expressions.</span> +</span><span id="format_time_lambda-429"><a href="#format_time_lambda-429"><span class="linenos">429</span></a> +</span><span id="format_time_lambda-430"><a href="#format_time_lambda-430"><span class="linenos">430</span></a><span class="sd"> Args:</span> +</span><span id="format_time_lambda-431"><a href="#format_time_lambda-431"><span class="linenos">431</span></a><span class="sd"> exp_class: the expression class to instantiate.</span> +</span><span id="format_time_lambda-432"><a href="#format_time_lambda-432"><span class="linenos">432</span></a><span class="sd"> dialect: target sql dialect.</span> +</span><span id="format_time_lambda-433"><a href="#format_time_lambda-433"><span class="linenos">433</span></a><span class="sd"> default: the default format, True being time.</span> +</span><span id="format_time_lambda-434"><a href="#format_time_lambda-434"><span class="linenos">434</span></a> +</span><span id="format_time_lambda-435"><a href="#format_time_lambda-435"><span class="linenos">435</span></a><span class="sd"> Returns:</span> +</span><span id="format_time_lambda-436"><a href="#format_time_lambda-436"><span class="linenos">436</span></a><span class="sd"> A callable that can be used to return the appropriately formatted time expression.</span> +</span><span id="format_time_lambda-437"><a href="#format_time_lambda-437"><span class="linenos">437</span></a><span class="sd"> """</span> +</span><span id="format_time_lambda-438"><a href="#format_time_lambda-438"><span class="linenos">438</span></a> +</span><span id="format_time_lambda-439"><a href="#format_time_lambda-439"><span class="linenos">439</span></a> <span class="k">def</span> <span class="nf">_format_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">):</span> +</span><span id="format_time_lambda-440"><a href="#format_time_lambda-440"><span class="linenos">440</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span> +</span><span id="format_time_lambda-441"><a href="#format_time_lambda-441"><span class="linenos">441</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> +</span><span id="format_time_lambda-442"><a href="#format_time_lambda-442"><span class="linenos">442</span></a> <span class="nb">format</span><span class="o">=</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span> +</span><span id="format_time_lambda-443"><a href="#format_time_lambda-443"><span class="linenos">443</span></a> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="format_time_lambda-444"><a href="#format_time_lambda-444"><span class="linenos">444</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">Dialect</span><span class="p">[</span><span class="n">dialect</span><span class="p">]</span><span class="o">.</span><span class="n">TIME_FORMAT</span> <span class="k">if</span> <span class="n">default</span> <span class="ow">is</span> <span class="kc">True</span> <span class="k">else</span> <span class="n">default</span> <span class="ow">or</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="format_time_lambda-445"><a href="#format_time_lambda-445"><span class="linenos">445</span></a> <span class="p">),</span> +</span><span id="format_time_lambda-446"><a href="#format_time_lambda-446"><span class="linenos">446</span></a> <span class="p">)</span> +</span><span id="format_time_lambda-447"><a href="#format_time_lambda-447"><span class="linenos">447</span></a> +</span><span id="format_time_lambda-448"><a href="#format_time_lambda-448"><span class="linenos">448</span></a> <span class="k">return</span> <span class="n">_format_time</span> </span></pre></div> @@ -1983,27 +2271,27 @@ </div> <a class="headerlink" href="#create_with_partitions_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="create_with_partitions_sql-389"><a href="#create_with_partitions_sql-389"><span class="linenos">389</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="create_with_partitions_sql-390"><a href="#create_with_partitions_sql-390"><span class="linenos">390</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="create_with_partitions_sql-391"><a href="#create_with_partitions_sql-391"><span class="linenos">391</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span> -</span><span id="create_with_partitions_sql-392"><a href="#create_with_partitions_sql-392"><span class="linenos">392</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span> -</span><span id="create_with_partitions_sql-393"><a href="#create_with_partitions_sql-393"><span class="linenos">393</span></a><span class="sd"> columns are removed from the create statement.</span> -</span><span id="create_with_partitions_sql-394"><a href="#create_with_partitions_sql-394"><span class="linenos">394</span></a><span class="sd"> """</span> -</span><span id="create_with_partitions_sql-395"><a href="#create_with_partitions_sql-395"><span class="linenos">395</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span> -</span><span id="create_with_partitions_sql-396"><a href="#create_with_partitions_sql-396"><span class="linenos">396</span></a> <span class="n">is_partitionable</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span> -</span><span id="create_with_partitions_sql-397"><a href="#create_with_partitions_sql-397"><span class="linenos">397</span></a> -</span><span id="create_with_partitions_sql-398"><a href="#create_with_partitions_sql-398"><span class="linenos">398</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span> -</span><span id="create_with_partitions_sql-399"><a href="#create_with_partitions_sql-399"><span class="linenos">399</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="create_with_partitions_sql-400"><a href="#create_with_partitions_sql-400"><span class="linenos">400</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span> -</span><span id="create_with_partitions_sql-401"><a href="#create_with_partitions_sql-401"><span class="linenos">401</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">):</span> -</span><span id="create_with_partitions_sql-402"><a href="#create_with_partitions_sql-402"><span class="linenos">402</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="create_with_partitions_sql-403"><a href="#create_with_partitions_sql-403"><span class="linenos">403</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> -</span><span id="create_with_partitions_sql-404"><a href="#create_with_partitions_sql-404"><span class="linenos">404</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span> -</span><span id="create_with_partitions_sql-405"><a href="#create_with_partitions_sql-405"><span class="linenos">405</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span> -</span><span id="create_with_partitions_sql-406"><a href="#create_with_partitions_sql-406"><span class="linenos">406</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span> -</span><span id="create_with_partitions_sql-407"><a href="#create_with_partitions_sql-407"><span class="linenos">407</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span> -</span><span id="create_with_partitions_sql-408"><a href="#create_with_partitions_sql-408"><span class="linenos">408</span></a> -</span><span id="create_with_partitions_sql-409"><a href="#create_with_partitions_sql-409"><span class="linenos">409</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="create_with_partitions_sql-451"><a href="#create_with_partitions_sql-451"><span class="linenos">451</span></a><span class="k">def</span> <span class="nf">create_with_partitions_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Create</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="create_with_partitions_sql-452"><a href="#create_with_partitions_sql-452"><span class="linenos">452</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="create_with_partitions_sql-453"><a href="#create_with_partitions_sql-453"><span class="linenos">453</span></a><span class="sd"> In Hive and Spark, the PARTITIONED BY property acts as an extension of a table's schema. When the</span> +</span><span id="create_with_partitions_sql-454"><a href="#create_with_partitions_sql-454"><span class="linenos">454</span></a><span class="sd"> PARTITIONED BY value is an array of column names, they are transformed into a schema. The corresponding</span> +</span><span id="create_with_partitions_sql-455"><a href="#create_with_partitions_sql-455"><span class="linenos">455</span></a><span class="sd"> columns are removed from the create statement.</span> +</span><span id="create_with_partitions_sql-456"><a href="#create_with_partitions_sql-456"><span class="linenos">456</span></a><span class="sd"> """</span> +</span><span id="create_with_partitions_sql-457"><a href="#create_with_partitions_sql-457"><span class="linenos">457</span></a> <span class="n">has_schema</span> <span class="o">=</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-458"><a href="#create_with_partitions_sql-458"><span class="linenos">458</span></a> <span class="n">is_partitionable</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">)</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"TABLE"</span><span class="p">,</span> <span class="s2">"VIEW"</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-459"><a href="#create_with_partitions_sql-459"><span class="linenos">459</span></a> +</span><span id="create_with_partitions_sql-460"><a href="#create_with_partitions_sql-460"><span class="linenos">460</span></a> <span class="k">if</span> <span class="n">has_schema</span> <span class="ow">and</span> <span class="n">is_partitionable</span><span class="p">:</span> +</span><span id="create_with_partitions_sql-461"><a href="#create_with_partitions_sql-461"><span class="linenos">461</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> +</span><span id="create_with_partitions_sql-462"><a href="#create_with_partitions_sql-462"><span class="linenos">462</span></a> <span class="n">prop</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-463"><a href="#create_with_partitions_sql-463"><span class="linenos">463</span></a> <span class="k">if</span> <span class="n">prop</span> <span class="ow">and</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">):</span> +</span><span id="create_with_partitions_sql-464"><a href="#create_with_partitions_sql-464"><span class="linenos">464</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="create_with_partitions_sql-465"><a href="#create_with_partitions_sql-465"><span class="linenos">465</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">v</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="k">for</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">prop</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">}</span> +</span><span id="create_with_partitions_sql-466"><a href="#create_with_partitions_sql-466"><span class="linenos">466</span></a> <span class="n">partitions</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">]</span> +</span><span id="create_with_partitions_sql-467"><a href="#create_with_partitions_sql-467"><span class="linenos">467</span></a> <span class="n">schema</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="p">[</span><span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">expressions</span> <span class="k">if</span> <span class="n">e</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">partitions</span><span class="p">])</span> +</span><span id="create_with_partitions_sql-468"><a href="#create_with_partitions_sql-468"><span class="linenos">468</span></a> <span class="n">prop</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">PartitionedByProperty</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Schema</span><span class="p">(</span><span class="n">expressions</span><span class="o">=</span><span class="n">partitions</span><span class="p">)))</span> +</span><span id="create_with_partitions_sql-469"><a href="#create_with_partitions_sql-469"><span class="linenos">469</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">schema</span><span class="p">)</span> +</span><span id="create_with_partitions_sql-470"><a href="#create_with_partitions_sql-470"><span class="linenos">470</span></a> +</span><span id="create_with_partitions_sql-471"><a href="#create_with_partitions_sql-471"><span class="linenos">471</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">create_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -2025,17 +2313,17 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#parse_date_delta"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta-412"><a href="#parse_date_delta-412"><span class="linenos">412</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span> -</span><span id="parse_date_delta-413"><a href="#parse_date_delta-413"><span class="linenos">413</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="parse_date_delta-414"><a href="#parse_date_delta-414"><span class="linenos">414</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> -</span><span id="parse_date_delta-415"><a href="#parse_date_delta-415"><span class="linenos">415</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="parse_date_delta-416"><a href="#parse_date_delta-416"><span class="linenos">416</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span> -</span><span id="parse_date_delta-417"><a href="#parse_date_delta-417"><span class="linenos">417</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="parse_date_delta-418"><a href="#parse_date_delta-418"><span class="linenos">418</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span> -</span><span id="parse_date_delta-419"><a href="#parse_date_delta-419"><span class="linenos">419</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span> -</span><span id="parse_date_delta-420"><a href="#parse_date_delta-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> -</span><span id="parse_date_delta-421"><a href="#parse_date_delta-421"><span class="linenos">421</span></a> -</span><span id="parse_date_delta-422"><a href="#parse_date_delta-422"><span class="linenos">422</span></a> <span class="k">return</span> <span class="n">inner_func</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta-474"><a href="#parse_date_delta-474"><span class="linenos">474</span></a><span class="k">def</span> <span class="nf">parse_date_delta</span><span class="p">(</span> +</span><span id="parse_date_delta-475"><a href="#parse_date_delta-475"><span class="linenos">475</span></a> <span class="n">exp_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> <span class="n">unit_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="parse_date_delta-476"><a href="#parse_date_delta-476"><span class="linenos">476</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">E</span><span class="p">]:</span> +</span><span id="parse_date_delta-477"><a href="#parse_date_delta-477"><span class="linenos">477</span></a> <span class="k">def</span> <span class="nf">inner_func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="parse_date_delta-478"><a href="#parse_date_delta-478"><span class="linenos">478</span></a> <span class="n">unit_based</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span> +</span><span id="parse_date_delta-479"><a href="#parse_date_delta-479"><span class="linenos">479</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="parse_date_delta-480"><a href="#parse_date_delta-480"><span class="linenos">480</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="k">if</span> <span class="n">unit_based</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="s2">"DAY"</span><span class="p">)</span> +</span><span id="parse_date_delta-481"><a href="#parse_date_delta-481"><span class="linenos">481</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">var</span><span class="p">(</span><span class="n">unit_mapping</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">lower</span><span class="p">(),</span> <span class="n">unit</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> <span class="k">if</span> <span class="n">unit_mapping</span> <span class="k">else</span> <span class="n">unit</span> +</span><span id="parse_date_delta-482"><a href="#parse_date_delta-482"><span class="linenos">482</span></a> <span class="k">return</span> <span class="n">exp_class</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> +</span><span id="parse_date_delta-483"><a href="#parse_date_delta-483"><span class="linenos">483</span></a> +</span><span id="parse_date_delta-484"><a href="#parse_date_delta-484"><span class="linenos">484</span></a> <span class="k">return</span> <span class="n">inner_func</span> </span></pre></div> @@ -2053,23 +2341,23 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#parse_date_delta_with_interval"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta_with_interval-425"><a href="#parse_date_delta_with_interval-425"><span class="linenos">425</span></a><span class="k">def</span> <span class="nf">parse_date_delta_with_interval</span><span class="p">(</span> -</span><span id="parse_date_delta_with_interval-426"><a href="#parse_date_delta_with_interval-426"><span class="linenos">426</span></a> <span class="n">expression_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> -</span><span id="parse_date_delta_with_interval-427"><a href="#parse_date_delta_with_interval-427"><span class="linenos">427</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]]:</span> -</span><span id="parse_date_delta_with_interval-428"><a href="#parse_date_delta_with_interval-428"><span class="linenos">428</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span> -</span><span id="parse_date_delta_with_interval-429"><a href="#parse_date_delta_with_interval-429"><span class="linenos">429</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o"><</span> <span class="mi">2</span><span class="p">:</span> -</span><span id="parse_date_delta_with_interval-430"><a href="#parse_date_delta_with_interval-430"><span class="linenos">430</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="parse_date_delta_with_interval-431"><a href="#parse_date_delta_with_interval-431"><span class="linenos">431</span></a> -</span><span id="parse_date_delta_with_interval-432"><a href="#parse_date_delta_with_interval-432"><span class="linenos">432</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> -</span><span id="parse_date_delta_with_interval-433"><a href="#parse_date_delta_with_interval-433"><span class="linenos">433</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">this</span> -</span><span id="parse_date_delta_with_interval-434"><a href="#parse_date_delta_with_interval-434"><span class="linenos">434</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="parse_date_delta_with_interval-435"><a href="#parse_date_delta_with_interval-435"><span class="linenos">435</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="parse_date_delta_with_interval-436"><a href="#parse_date_delta_with_interval-436"><span class="linenos">436</span></a> -</span><span id="parse_date_delta_with_interval-437"><a href="#parse_date_delta_with_interval-437"><span class="linenos">437</span></a> <span class="k">return</span> <span class="n">expression_class</span><span class="p">(</span> -</span><span id="parse_date_delta_with_interval-438"><a href="#parse_date_delta_with_interval-438"><span class="linenos">438</span></a> <span class="n">this</span><span class="o">=</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">))</span> -</span><span id="parse_date_delta_with_interval-439"><a href="#parse_date_delta_with_interval-439"><span class="linenos">439</span></a> <span class="p">)</span> -</span><span id="parse_date_delta_with_interval-440"><a href="#parse_date_delta_with_interval-440"><span class="linenos">440</span></a> -</span><span id="parse_date_delta_with_interval-441"><a href="#parse_date_delta_with_interval-441"><span class="linenos">441</span></a> <span class="k">return</span> <span class="n">func</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="parse_date_delta_with_interval-487"><a href="#parse_date_delta_with_interval-487"><span class="linenos">487</span></a><span class="k">def</span> <span class="nf">parse_date_delta_with_interval</span><span class="p">(</span> +</span><span id="parse_date_delta_with_interval-488"><a href="#parse_date_delta_with_interval-488"><span class="linenos">488</span></a> <span class="n">expression_class</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">E</span><span class="p">],</span> +</span><span id="parse_date_delta_with_interval-489"><a href="#parse_date_delta_with_interval-489"><span class="linenos">489</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">[[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">],</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]]:</span> +</span><span id="parse_date_delta_with_interval-490"><a href="#parse_date_delta_with_interval-490"><span class="linenos">490</span></a> <span class="k">def</span> <span class="nf">func</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span> +</span><span id="parse_date_delta_with_interval-491"><a href="#parse_date_delta_with_interval-491"><span class="linenos">491</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o"><</span> <span class="mi">2</span><span class="p">:</span> +</span><span id="parse_date_delta_with_interval-492"><a href="#parse_date_delta_with_interval-492"><span class="linenos">492</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="parse_date_delta_with_interval-493"><a href="#parse_date_delta_with_interval-493"><span class="linenos">493</span></a> +</span><span id="parse_date_delta_with_interval-494"><a href="#parse_date_delta_with_interval-494"><span class="linenos">494</span></a> <span class="n">interval</span> <span class="o">=</span> <span class="n">args</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> +</span><span id="parse_date_delta_with_interval-495"><a href="#parse_date_delta_with_interval-495"><span class="linenos">495</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">this</span> +</span><span id="parse_date_delta_with_interval-496"><a href="#parse_date_delta_with_interval-496"><span class="linenos">496</span></a> <span class="k">if</span> <span class="n">expression</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="parse_date_delta_with_interval-497"><a href="#parse_date_delta_with_interval-497"><span class="linenos">497</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="parse_date_delta_with_interval-498"><a href="#parse_date_delta_with_interval-498"><span class="linenos">498</span></a> +</span><span id="parse_date_delta_with_interval-499"><a href="#parse_date_delta_with_interval-499"><span class="linenos">499</span></a> <span class="k">return</span> <span class="n">expression_class</span><span class="p">(</span> +</span><span id="parse_date_delta_with_interval-500"><a href="#parse_date_delta_with_interval-500"><span class="linenos">500</span></a> <span class="n">this</span><span class="o">=</span><span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">))</span> +</span><span id="parse_date_delta_with_interval-501"><a href="#parse_date_delta_with_interval-501"><span class="linenos">501</span></a> <span class="p">)</span> +</span><span id="parse_date_delta_with_interval-502"><a href="#parse_date_delta_with_interval-502"><span class="linenos">502</span></a> +</span><span id="parse_date_delta_with_interval-503"><a href="#parse_date_delta_with_interval-503"><span class="linenos">503</span></a> <span class="k">return</span> <span class="n">func</span> </span></pre></div> @@ -2087,13 +2375,13 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#date_trunc_to_time"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="date_trunc_to_time-444"><a href="#date_trunc_to_time-444"><span class="linenos">444</span></a><span class="k">def</span> <span class="nf">date_trunc_to_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span> -</span><span id="date_trunc_to_time-445"><a href="#date_trunc_to_time-445"><span class="linenos">445</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="date_trunc_to_time-446"><a href="#date_trunc_to_time-446"><span class="linenos">446</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="date_trunc_to_time-447"><a href="#date_trunc_to_time-447"><span class="linenos">447</span></a> -</span><span id="date_trunc_to_time-448"><a href="#date_trunc_to_time-448"><span class="linenos">448</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"date"</span><span class="p">):</span> -</span><span id="date_trunc_to_time-449"><a href="#date_trunc_to_time-449"><span class="linenos">449</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">(</span><span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">)</span> -</span><span id="date_trunc_to_time-450"><a href="#date_trunc_to_time-450"><span class="linenos">450</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="date_trunc_to_time-506"><a href="#date_trunc_to_time-506"><span class="linenos">506</span></a><span class="k">def</span> <span class="nf">date_trunc_to_time</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">:</span> +</span><span id="date_trunc_to_time-507"><a href="#date_trunc_to_time-507"><span class="linenos">507</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> +</span><span id="date_trunc_to_time-508"><a href="#date_trunc_to_time-508"><span class="linenos">508</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="date_trunc_to_time-509"><a href="#date_trunc_to_time-509"><span class="linenos">509</span></a> +</span><span id="date_trunc_to_time-510"><a href="#date_trunc_to_time-510"><span class="linenos">510</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="n">this</span><span class="o">.</span><span class="n">is_type</span><span class="p">(</span><span class="s2">"date"</span><span class="p">):</span> +</span><span id="date_trunc_to_time-511"><a href="#date_trunc_to_time-511"><span class="linenos">511</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateTrunc</span><span class="p">(</span><span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">)</span> +</span><span id="date_trunc_to_time-512"><a href="#date_trunc_to_time-512"><span class="linenos">512</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">unit</span><span class="o">=</span><span class="n">unit</span><span class="p">)</span> </span></pre></div> @@ -2111,10 +2399,10 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#timestamptrunc_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="timestamptrunc_sql-453"><a href="#timestamptrunc_sql-453"><span class="linenos">453</span></a><span class="k">def</span> <span class="nf">timestamptrunc_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="timestamptrunc_sql-454"><a href="#timestamptrunc_sql-454"><span class="linenos">454</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="timestamptrunc_sql-455"><a href="#timestamptrunc_sql-455"><span class="linenos">455</span></a> <span class="s2">"DATE_TRUNC"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">expression</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">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="timestamptrunc_sql-456"><a href="#timestamptrunc_sql-456"><span class="linenos">456</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="timestamptrunc_sql-515"><a href="#timestamptrunc_sql-515"><span class="linenos">515</span></a><span class="k">def</span> <span class="nf">timestamptrunc_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimestampTrunc</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="timestamptrunc_sql-516"><a href="#timestamptrunc_sql-516"><span class="linenos">516</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> +</span><span id="timestamptrunc_sql-517"><a href="#timestamptrunc_sql-517"><span class="linenos">517</span></a> <span class="s2">"DATE_TRUNC"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">expression</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">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="timestamptrunc_sql-518"><a href="#timestamptrunc_sql-518"><span class="linenos">518</span></a> <span class="p">)</span> </span></pre></div> @@ -2132,10 +2420,10 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#locate_to_strposition"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="locate_to_strposition-459"><a href="#locate_to_strposition-459"><span class="linenos">459</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="locate_to_strposition-460"><a href="#locate_to_strposition-460"><span class="linenos">460</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span> -</span><span id="locate_to_strposition-461"><a href="#locate_to_strposition-461"><span class="linenos">461</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> -</span><span id="locate_to_strposition-462"><a href="#locate_to_strposition-462"><span class="linenos">462</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="locate_to_strposition-521"><a href="#locate_to_strposition-521"><span class="linenos">521</span></a><span class="k">def</span> <span class="nf">locate_to_strposition</span><span class="p">(</span><span class="n">args</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="locate_to_strposition-522"><a href="#locate_to_strposition-522"><span class="linenos">522</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">(</span> +</span><span id="locate_to_strposition-523"><a href="#locate_to_strposition-523"><span class="linenos">523</span></a> <span class="n">this</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="n">substr</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">position</span><span class="o">=</span><span class="n">seq_get</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> +</span><span id="locate_to_strposition-524"><a href="#locate_to_strposition-524"><span class="linenos">524</span></a> <span class="p">)</span> </span></pre></div> @@ -2153,10 +2441,10 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#strposition_to_locate_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="strposition_to_locate_sql-465"><a href="#strposition_to_locate_sql-465"><span class="linenos">465</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="strposition_to_locate_sql-466"><a href="#strposition_to_locate_sql-466"><span class="linenos">466</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> -</span><span id="strposition_to_locate_sql-467"><a href="#strposition_to_locate_sql-467"><span class="linenos">467</span></a> <span class="s2">"LOCATE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"position"</span><span class="p">)</span> -</span><span id="strposition_to_locate_sql-468"><a href="#strposition_to_locate_sql-468"><span class="linenos">468</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="strposition_to_locate_sql-527"><a href="#strposition_to_locate_sql-527"><span class="linenos">527</span></a><span class="k">def</span> <span class="nf">strposition_to_locate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">StrPosition</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="strposition_to_locate_sql-528"><a href="#strposition_to_locate_sql-528"><span class="linenos">528</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span> +</span><span id="strposition_to_locate_sql-529"><a href="#strposition_to_locate_sql-529"><span class="linenos">529</span></a> <span class="s2">"LOCATE"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"substr"</span><span class="p">),</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"position"</span><span class="p">)</span> +</span><span id="strposition_to_locate_sql-530"><a href="#strposition_to_locate_sql-530"><span class="linenos">530</span></a> <span class="p">)</span> </span></pre></div> @@ -2174,13 +2462,13 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#left_to_substring_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="left_to_substring_sql-471"><a href="#left_to_substring_sql-471"><span class="linenos">471</span></a><span class="k">def</span> <span class="nf">left_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="left_to_substring_sql-472"><a href="#left_to_substring_sql-472"><span class="linenos">472</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="left_to_substring_sql-473"><a href="#left_to_substring_sql-473"><span class="linenos">473</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> -</span><span id="left_to_substring_sql-474"><a href="#left_to_substring_sql-474"><span class="linenos">474</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> -</span><span id="left_to_substring_sql-475"><a href="#left_to_substring_sql-475"><span class="linenos">475</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">length</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> -</span><span id="left_to_substring_sql-476"><a href="#left_to_substring_sql-476"><span class="linenos">476</span></a> <span class="p">)</span> -</span><span id="left_to_substring_sql-477"><a href="#left_to_substring_sql-477"><span class="linenos">477</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="left_to_substring_sql-533"><a href="#left_to_substring_sql-533"><span class="linenos">533</span></a><span class="k">def</span> <span class="nf">left_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="left_to_substring_sql-534"><a href="#left_to_substring_sql-534"><span class="linenos">534</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="left_to_substring_sql-535"><a href="#left_to_substring_sql-535"><span class="linenos">535</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> +</span><span id="left_to_substring_sql-536"><a href="#left_to_substring_sql-536"><span class="linenos">536</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> +</span><span id="left_to_substring_sql-537"><a href="#left_to_substring_sql-537"><span class="linenos">537</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span> <span class="n">length</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> +</span><span id="left_to_substring_sql-538"><a href="#left_to_substring_sql-538"><span class="linenos">538</span></a> <span class="p">)</span> +</span><span id="left_to_substring_sql-539"><a href="#left_to_substring_sql-539"><span class="linenos">539</span></a> <span class="p">)</span> </span></pre></div> @@ -2198,14 +2486,14 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#right_to_substring_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="right_to_substring_sql-480"><a href="#right_to_substring_sql-480"><span class="linenos">480</span></a><span class="k">def</span> <span class="nf">right_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="right_to_substring_sql-481"><a href="#right_to_substring_sql-481"><span class="linenos">481</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="right_to_substring_sql-482"><a href="#right_to_substring_sql-482"><span class="linenos">482</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> -</span><span id="right_to_substring_sql-483"><a href="#right_to_substring_sql-483"><span class="linenos">483</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> -</span><span id="right_to_substring_sql-484"><a href="#right_to_substring_sql-484"><span class="linenos">484</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> -</span><span id="right_to_substring_sql-485"><a href="#right_to_substring_sql-485"><span class="linenos">485</span></a> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o">-</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span> -</span><span id="right_to_substring_sql-486"><a href="#right_to_substring_sql-486"><span class="linenos">486</span></a> <span class="p">)</span> -</span><span id="right_to_substring_sql-487"><a href="#right_to_substring_sql-487"><span class="linenos">487</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="right_to_substring_sql-542"><a href="#right_to_substring_sql-542"><span class="linenos">542</span></a><span class="k">def</span> <span class="nf">right_to_substring_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Left</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="right_to_substring_sql-543"><a href="#right_to_substring_sql-543"><span class="linenos">543</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="right_to_substring_sql-544"><a href="#right_to_substring_sql-544"><span class="linenos">544</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span> +</span><span id="right_to_substring_sql-545"><a href="#right_to_substring_sql-545"><span class="linenos">545</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Substring</span><span class="p">(</span> +</span><span id="right_to_substring_sql-546"><a href="#right_to_substring_sql-546"><span class="linenos">546</span></a> <span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> +</span><span id="right_to_substring_sql-547"><a href="#right_to_substring_sql-547"><span class="linenos">547</span></a> <span class="n">start</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Length</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="o">-</span> <span class="n">exp</span><span class="o">.</span><span class="n">paren</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">expression</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span> +</span><span id="right_to_substring_sql-548"><a href="#right_to_substring_sql-548"><span class="linenos">548</span></a> <span class="p">)</span> +</span><span id="right_to_substring_sql-549"><a href="#right_to_substring_sql-549"><span class="linenos">549</span></a> <span class="p">)</span> </span></pre></div> @@ -2223,8 +2511,8 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#timestrtotime_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="timestrtotime_sql-490"><a href="#timestrtotime_sql-490"><span class="linenos">490</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="timestrtotime_sql-491"><a href="#timestrtotime_sql-491"><span class="linenos">491</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS TIMESTAMP)"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="timestrtotime_sql-552"><a href="#timestrtotime_sql-552"><span class="linenos">552</span></a><span class="k">def</span> <span class="nf">timestrtotime_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TimeStrToTime</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="timestrtotime_sql-553"><a href="#timestrtotime_sql-553"><span class="linenos">553</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS TIMESTAMP)"</span> </span></pre></div> @@ -2242,8 +2530,8 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#datestrtodate_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="datestrtodate_sql-494"><a href="#datestrtodate_sql-494"><span class="linenos">494</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="datestrtodate_sql-495"><a href="#datestrtodate_sql-495"><span class="linenos">495</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="datestrtodate_sql-556"><a href="#datestrtodate_sql-556"><span class="linenos">556</span></a><span class="k">def</span> <span class="nf">datestrtodate_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DateStrToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="datestrtodate_sql-557"><a href="#datestrtodate_sql-557"><span class="linenos">557</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> </span></pre></div> @@ -2261,9 +2549,9 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#min_or_least"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="min_or_least-498"><a href="#min_or_least-498"><span class="linenos">498</span></a><span class="k">def</span> <span class="nf">min_or_least</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="min_or_least-499"><a href="#min_or_least-499"><span class="linenos">499</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"LEAST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MIN"</span> -</span><span id="min_or_least-500"><a href="#min_or_least-500"><span class="linenos">500</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="min_or_least-560"><a href="#min_or_least-560"><span class="linenos">560</span></a><span class="k">def</span> <span class="nf">min_or_least</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Min</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="min_or_least-561"><a href="#min_or_least-561"><span class="linenos">561</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"LEAST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MIN"</span> +</span><span id="min_or_least-562"><a href="#min_or_least-562"><span class="linenos">562</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -2281,9 +2569,9 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#max_or_greatest"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="max_or_greatest-503"><a href="#max_or_greatest-503"><span class="linenos">503</span></a><span class="k">def</span> <span class="nf">max_or_greatest</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="max_or_greatest-504"><a href="#max_or_greatest-504"><span class="linenos">504</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"GREATEST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MAX"</span> -</span><span id="max_or_greatest-505"><a href="#max_or_greatest-505"><span class="linenos">505</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="max_or_greatest-565"><a href="#max_or_greatest-565"><span class="linenos">565</span></a><span class="k">def</span> <span class="nf">max_or_greatest</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Max</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="max_or_greatest-566"><a href="#max_or_greatest-566"><span class="linenos">566</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"GREATEST"</span> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> <span class="k">else</span> <span class="s2">"MAX"</span> +</span><span id="max_or_greatest-567"><a href="#max_or_greatest-567"><span class="linenos">567</span></a> <span class="k">return</span> <span class="n">rename_func</span><span class="p">(</span><span class="n">name</span><span class="p">)(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">)</span> </span></pre></div> @@ -2301,14 +2589,14 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#count_if_to_sum"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="count_if_to_sum-508"><a href="#count_if_to_sum-508"><span class="linenos">508</span></a><span class="k">def</span> <span class="nf">count_if_to_sum</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CountIf</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="count_if_to_sum-509"><a href="#count_if_to_sum-509"><span class="linenos">509</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="count_if_to_sum-510"><a href="#count_if_to_sum-510"><span class="linenos">510</span></a> -</span><span id="count_if_to_sum-511"><a href="#count_if_to_sum-511"><span class="linenos">511</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">):</span> -</span><span id="count_if_to_sum-512"><a href="#count_if_to_sum-512"><span class="linenos">512</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="count_if_to_sum-513"><a href="#count_if_to_sum-513"><span class="linenos">513</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"DISTINCT is not supported when converting COUNT_IF to SUM"</span><span class="p">)</span> -</span><span id="count_if_to_sum-514"><a href="#count_if_to_sum-514"><span class="linenos">514</span></a> -</span><span id="count_if_to_sum-515"><a href="#count_if_to_sum-515"><span class="linenos">515</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"sum"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"if"</span><span class="p">,</span> <span class="n">cond</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="count_if_to_sum-570"><a href="#count_if_to_sum-570"><span class="linenos">570</span></a><span class="k">def</span> <span class="nf">count_if_to_sum</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">CountIf</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="count_if_to_sum-571"><a href="#count_if_to_sum-571"><span class="linenos">571</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="count_if_to_sum-572"><a href="#count_if_to_sum-572"><span class="linenos">572</span></a> +</span><span id="count_if_to_sum-573"><a href="#count_if_to_sum-573"><span class="linenos">573</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Distinct</span><span class="p">):</span> +</span><span id="count_if_to_sum-574"><a href="#count_if_to_sum-574"><span class="linenos">574</span></a> <span class="n">cond</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">expressions</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="count_if_to_sum-575"><a href="#count_if_to_sum-575"><span class="linenos">575</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">unsupported</span><span class="p">(</span><span class="s2">"DISTINCT is not supported when converting COUNT_IF to SUM"</span><span class="p">)</span> +</span><span id="count_if_to_sum-576"><a href="#count_if_to_sum-576"><span class="linenos">576</span></a> +</span><span id="count_if_to_sum-577"><a href="#count_if_to_sum-577"><span class="linenos">577</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"sum"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"if"</span><span class="p">,</span> <span class="n">cond</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> </span></pre></div> @@ -2326,21 +2614,21 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#trim_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="trim_sql-518"><a href="#trim_sql-518"><span class="linenos">518</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="trim_sql-519"><a href="#trim_sql-519"><span class="linenos">519</span></a> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> -</span><span id="trim_sql-520"><a href="#trim_sql-520"><span class="linenos">520</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> -</span><span id="trim_sql-521"><a href="#trim_sql-521"><span class="linenos">521</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> -</span><span id="trim_sql-522"><a href="#trim_sql-522"><span class="linenos">522</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"collation"</span><span class="p">)</span> -</span><span id="trim_sql-523"><a href="#trim_sql-523"><span class="linenos">523</span></a> -</span><span id="trim_sql-524"><a href="#trim_sql-524"><span class="linenos">524</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span> -</span><span id="trim_sql-525"><a href="#trim_sql-525"><span class="linenos">525</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span> -</span><span id="trim_sql-526"><a href="#trim_sql-526"><span class="linenos">526</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="trim_sql-527"><a href="#trim_sql-527"><span class="linenos">527</span></a> -</span><span id="trim_sql-528"><a href="#trim_sql-528"><span class="linenos">528</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="trim_sql-529"><a href="#trim_sql-529"><span class="linenos">529</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="trim_sql-530"><a href="#trim_sql-530"><span class="linenos">530</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="trim_sql-531"><a href="#trim_sql-531"><span class="linenos">531</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="trim_sql-532"><a href="#trim_sql-532"><span class="linenos">532</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="trim_sql-580"><a href="#trim_sql-580"><span class="linenos">580</span></a><span class="k">def</span> <span class="nf">trim_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Trim</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="trim_sql-581"><a href="#trim_sql-581"><span class="linenos">581</span></a> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"this"</span><span class="p">)</span> +</span><span id="trim_sql-582"><a href="#trim_sql-582"><span class="linenos">582</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"position"</span><span class="p">)</span> +</span><span id="trim_sql-583"><a href="#trim_sql-583"><span class="linenos">583</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"expression"</span><span class="p">)</span> +</span><span id="trim_sql-584"><a href="#trim_sql-584"><span class="linenos">584</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="s2">"collation"</span><span class="p">)</span> +</span><span id="trim_sql-585"><a href="#trim_sql-585"><span class="linenos">585</span></a> +</span><span id="trim_sql-586"><a href="#trim_sql-586"><span class="linenos">586</span></a> <span class="c1"># Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific</span> +</span><span id="trim_sql-587"><a href="#trim_sql-587"><span class="linenos">587</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">remove_chars</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">collation</span><span class="p">:</span> +</span><span id="trim_sql-588"><a href="#trim_sql-588"><span class="linenos">588</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">trim_sql</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="trim_sql-589"><a href="#trim_sql-589"><span class="linenos">589</span></a> +</span><span id="trim_sql-590"><a href="#trim_sql-590"><span class="linenos">590</span></a> <span class="n">trim_type</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-591"><a href="#trim_sql-591"><span class="linenos">591</span></a> <span class="n">remove_chars</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">remove_chars</span><span class="si">}</span><span class="s2"> "</span> <span class="k">if</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-592"><a href="#trim_sql-592"><span class="linenos">592</span></a> <span class="n">from_part</span> <span class="o">=</span> <span class="s2">"FROM "</span> <span class="k">if</span> <span class="n">trim_type</span> <span class="ow">or</span> <span class="n">remove_chars</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-593"><a href="#trim_sql-593"><span class="linenos">593</span></a> <span class="n">collation</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" COLLATE </span><span class="si">{</span><span class="n">collation</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">collation</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="trim_sql-594"><a href="#trim_sql-594"><span class="linenos">594</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"TRIM(</span><span class="si">{</span><span class="n">trim_type</span><span class="si">}{</span><span class="n">remove_chars</span><span class="si">}{</span><span class="n">from_part</span><span class="si">}{</span><span class="n">target</span><span class="si">}{</span><span class="n">collation</span><span class="si">}</span><span class="s2">)"</span> </span></pre></div> @@ -2358,8 +2646,8 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#str_to_time_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="str_to_time_sql-535"><a href="#str_to_time_sql-535"><span class="linenos">535</span></a><span class="k">def</span> <span class="nf">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="str_to_time_sql-536"><a href="#str_to_time_sql-536"><span class="linenos">536</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"STRPTIME"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="str_to_time_sql-597"><a href="#str_to_time_sql-597"><span class="linenos">597</span></a><span class="k">def</span> <span class="nf">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="str_to_time_sql-598"><a href="#str_to_time_sql-598"><span class="linenos">598</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">func</span><span class="p">(</span><span class="s2">"STRPTIME"</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">))</span> </span></pre></div> @@ -2377,15 +2665,15 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#ts_or_ds_to_date_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="ts_or_ds_to_date_sql-539"><a href="#ts_or_ds_to_date_sql-539"><span class="linenos">539</span></a><span class="k">def</span> <span class="nf">ts_or_ds_to_date_sql</span><span class="p">(</span><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">:</span> -</span><span id="ts_or_ds_to_date_sql-540"><a href="#ts_or_ds_to_date_sql-540"><span class="linenos">540</span></a> <span class="k">def</span> <span class="nf">_ts_or_ds_to_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="ts_or_ds_to_date_sql-541"><a href="#ts_or_ds_to_date_sql-541"><span class="linenos">541</span></a> <span class="n">_dialect</span> <span class="o">=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="ts_or_ds_to_date_sql-542"><a href="#ts_or_ds_to_date_sql-542"><span class="linenos">542</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="ts_or_ds_to_date_sql-543"><a href="#ts_or_ds_to_date_sql-543"><span class="linenos">543</span></a> <span class="k">if</span> <span class="n">time_format</span> <span class="ow">and</span> <span class="n">time_format</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">_dialect</span><span class="o">.</span><span class="n">TIME_FORMAT</span><span class="p">,</span> <span class="n">_dialect</span><span class="o">.</span><span class="n">DATE_FORMAT</span><span class="p">):</span> -</span><span id="ts_or_ds_to_date_sql-544"><a href="#ts_or_ds_to_date_sql-544"><span class="linenos">544</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="n">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> -</span><span id="ts_or_ds_to_date_sql-545"><a href="#ts_or_ds_to_date_sql-545"><span class="linenos">545</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> -</span><span id="ts_or_ds_to_date_sql-546"><a href="#ts_or_ds_to_date_sql-546"><span class="linenos">546</span></a> -</span><span id="ts_or_ds_to_date_sql-547"><a href="#ts_or_ds_to_date_sql-547"><span class="linenos">547</span></a> <span class="k">return</span> <span class="n">_ts_or_ds_to_date_sql</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="ts_or_ds_to_date_sql-601"><a href="#ts_or_ds_to_date_sql-601"><span class="linenos">601</span></a><span class="k">def</span> <span class="nf">ts_or_ds_to_date_sql</span><span class="p">(</span><span class="n">dialect</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">:</span> +</span><span id="ts_or_ds_to_date_sql-602"><a href="#ts_or_ds_to_date_sql-602"><span class="linenos">602</span></a> <span class="k">def</span> <span class="nf">_ts_or_ds_to_date_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">TsOrDsToDate</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="ts_or_ds_to_date_sql-603"><a href="#ts_or_ds_to_date_sql-603"><span class="linenos">603</span></a> <span class="n">_dialect</span> <span class="o">=</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="ts_or_ds_to_date_sql-604"><a href="#ts_or_ds_to_date_sql-604"><span class="linenos">604</span></a> <span class="n">time_format</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_time</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="ts_or_ds_to_date_sql-605"><a href="#ts_or_ds_to_date_sql-605"><span class="linenos">605</span></a> <span class="k">if</span> <span class="n">time_format</span> <span class="ow">and</span> <span class="n">time_format</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">_dialect</span><span class="o">.</span><span class="n">TIME_FORMAT</span><span class="p">,</span> <span class="n">_dialect</span><span class="o">.</span><span class="n">DATE_FORMAT</span><span class="p">):</span> +</span><span id="ts_or_ds_to_date_sql-606"><a href="#ts_or_ds_to_date_sql-606"><span class="linenos">606</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="n">str_to_time_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">expression</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span><span id="ts_or_ds_to_date_sql-607"><a href="#ts_or_ds_to_date_sql-607"><span class="linenos">607</span></a> <span class="k">return</span> <span class="sa">f</span><span class="s2">"CAST(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span><span class="w"> </span><span class="s1">'this'</span><span class="p">)</span><span class="si">}</span><span class="s2"> AS DATE)"</span> +</span><span id="ts_or_ds_to_date_sql-608"><a href="#ts_or_ds_to_date_sql-608"><span class="linenos">608</span></a> +</span><span id="ts_or_ds_to_date_sql-609"><a href="#ts_or_ds_to_date_sql-609"><span class="linenos">609</span></a> <span class="k">return</span> <span class="n">_ts_or_ds_to_date_sql</span> </span></pre></div> @@ -2403,12 +2691,12 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#concat_to_dpipe_sql"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="concat_to_dpipe_sql-550"><a href="#concat_to_dpipe_sql-550"><span class="linenos">550</span></a><span class="k">def</span> <span class="nf">concat_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="concat_to_dpipe_sql-551"><a href="#concat_to_dpipe_sql-551"><span class="linenos">551</span></a> <span class="n">this</span><span class="p">,</span> <span class="o">*</span><span class="n">rest_args</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="concat_to_dpipe_sql-552"><a href="#concat_to_dpipe_sql-552"><span class="linenos">552</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">rest_args</span><span class="p">:</span> -</span><span id="concat_to_dpipe_sql-553"><a href="#concat_to_dpipe_sql-553"><span class="linenos">553</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">arg</span><span class="p">)</span> -</span><span id="concat_to_dpipe_sql-554"><a href="#concat_to_dpipe_sql-554"><span class="linenos">554</span></a> -</span><span id="concat_to_dpipe_sql-555"><a href="#concat_to_dpipe_sql-555"><span class="linenos">555</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="concat_to_dpipe_sql-612"><a href="#concat_to_dpipe_sql-612"><span class="linenos">612</span></a><span class="k">def</span> <span class="nf">concat_to_dpipe_sql</span><span class="p">(</span><span class="bp">self</span><span class="p">:</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Concat</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">SafeConcat</span><span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="concat_to_dpipe_sql-613"><a href="#concat_to_dpipe_sql-613"><span class="linenos">613</span></a> <span class="n">this</span><span class="p">,</span> <span class="o">*</span><span class="n">rest_args</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="concat_to_dpipe_sql-614"><a href="#concat_to_dpipe_sql-614"><span class="linenos">614</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">rest_args</span><span class="p">:</span> +</span><span id="concat_to_dpipe_sql-615"><a href="#concat_to_dpipe_sql-615"><span class="linenos">615</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DPipe</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">arg</span><span class="p">)</span> +</span><span id="concat_to_dpipe_sql-616"><a href="#concat_to_dpipe_sql-616"><span class="linenos">616</span></a> +</span><span id="concat_to_dpipe_sql-617"><a href="#concat_to_dpipe_sql-617"><span class="linenos">617</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">this</span><span class="p">)</span> </span></pre></div> @@ -2426,26 +2714,26 @@ columns are removed from the create statement.</p> </div> <a class="headerlink" href="#pivot_column_names"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="pivot_column_names-559"><a href="#pivot_column_names-559"><span class="linenos">559</span></a><span class="k">def</span> <span class="nf">pivot_column_names</span><span class="p">(</span><span class="n">aggregations</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="pivot_column_names-560"><a href="#pivot_column_names-560"><span class="linenos">560</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="pivot_column_names-561"><a href="#pivot_column_names-561"><span class="linenos">561</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">aggregations</span><span class="p">:</span> -</span><span id="pivot_column_names-562"><a href="#pivot_column_names-562"><span class="linenos">562</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">agg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> -</span><span id="pivot_column_names-563"><a href="#pivot_column_names-563"><span class="linenos">563</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span> -</span><span id="pivot_column_names-564"><a href="#pivot_column_names-564"><span class="linenos">564</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="pivot_column_names-565"><a href="#pivot_column_names-565"><span class="linenos">565</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="pivot_column_names-566"><a href="#pivot_column_names-566"><span class="linenos">566</span></a><span class="sd"> This case corresponds to aggregations without aliases being used as suffixes</span> -</span><span id="pivot_column_names-567"><a href="#pivot_column_names-567"><span class="linenos">567</span></a><span class="sd"> (e.g. col_avg(foo)). We need to unquote identifiers because they're going to</span> -</span><span id="pivot_column_names-568"><a href="#pivot_column_names-568"><span class="linenos">568</span></a><span class="sd"> be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.</span> -</span><span id="pivot_column_names-569"><a href="#pivot_column_names-569"><span class="linenos">569</span></a><span class="sd"> Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).</span> -</span><span id="pivot_column_names-570"><a href="#pivot_column_names-570"><span class="linenos">570</span></a><span class="sd"> """</span> -</span><span id="pivot_column_names-571"><a href="#pivot_column_names-571"><span class="linenos">571</span></a> <span class="n">agg_all_unquoted</span> <span class="o">=</span> <span class="n">agg</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> -</span><span id="pivot_column_names-572"><a href="#pivot_column_names-572"><span class="linenos">572</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="pivot_column_names-573"><a href="#pivot_column_names-573"><span class="linenos">573</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> -</span><span id="pivot_column_names-574"><a href="#pivot_column_names-574"><span class="linenos">574</span></a> <span class="k">else</span> <span class="n">node</span> -</span><span id="pivot_column_names-575"><a href="#pivot_column_names-575"><span class="linenos">575</span></a> <span class="p">)</span> -</span><span id="pivot_column_names-576"><a href="#pivot_column_names-576"><span class="linenos">576</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg_all_unquoted</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">normalize_functions</span><span class="o">=</span><span class="s2">"lower"</span><span class="p">))</span> -</span><span id="pivot_column_names-577"><a href="#pivot_column_names-577"><span class="linenos">577</span></a> -</span><span id="pivot_column_names-578"><a href="#pivot_column_names-578"><span class="linenos">578</span></a> <span class="k">return</span> <span class="n">names</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="pivot_column_names-621"><a href="#pivot_column_names-621"><span class="linenos">621</span></a><span class="k">def</span> <span class="nf">pivot_column_names</span><span class="p">(</span><span class="n">aggregations</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="pivot_column_names-622"><a href="#pivot_column_names-622"><span class="linenos">622</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="pivot_column_names-623"><a href="#pivot_column_names-623"><span class="linenos">623</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">aggregations</span><span class="p">:</span> +</span><span id="pivot_column_names-624"><a href="#pivot_column_names-624"><span class="linenos">624</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">agg</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> +</span><span id="pivot_column_names-625"><a href="#pivot_column_names-625"><span class="linenos">625</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg</span><span class="o">.</span><span class="n">alias</span><span class="p">)</span> +</span><span id="pivot_column_names-626"><a href="#pivot_column_names-626"><span class="linenos">626</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="pivot_column_names-627"><a href="#pivot_column_names-627"><span class="linenos">627</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="pivot_column_names-628"><a href="#pivot_column_names-628"><span class="linenos">628</span></a><span class="sd"> This case corresponds to aggregations without aliases being used as suffixes</span> +</span><span id="pivot_column_names-629"><a href="#pivot_column_names-629"><span class="linenos">629</span></a><span class="sd"> (e.g. col_avg(foo)). We need to unquote identifiers because they're going to</span> +</span><span id="pivot_column_names-630"><a href="#pivot_column_names-630"><span class="linenos">630</span></a><span class="sd"> be quoted in the base parser's `_parse_pivot` method, due to `to_identifier`.</span> +</span><span id="pivot_column_names-631"><a href="#pivot_column_names-631"><span class="linenos">631</span></a><span class="sd"> Otherwise, we'd end up with `col_avg(`foo`)` (notice the double quotes).</span> +</span><span id="pivot_column_names-632"><a href="#pivot_column_names-632"><span class="linenos">632</span></a><span class="sd"> """</span> +</span><span id="pivot_column_names-633"><a href="#pivot_column_names-633"><span class="linenos">633</span></a> <span class="n">agg_all_unquoted</span> <span class="o">=</span> <span class="n">agg</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="pivot_column_names-634"><a href="#pivot_column_names-634"><span class="linenos">634</span></a> <span class="k">lambda</span> <span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">quoted</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="pivot_column_names-635"><a href="#pivot_column_names-635"><span class="linenos">635</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> +</span><span id="pivot_column_names-636"><a href="#pivot_column_names-636"><span class="linenos">636</span></a> <span class="k">else</span> <span class="n">node</span> +</span><span id="pivot_column_names-637"><a href="#pivot_column_names-637"><span class="linenos">637</span></a> <span class="p">)</span> +</span><span id="pivot_column_names-638"><a href="#pivot_column_names-638"><span class="linenos">638</span></a> <span class="n">names</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">agg_all_unquoted</span><span class="o">.</span><span class="n">sql</span><span class="p">(</span><span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">normalize_functions</span><span class="o">=</span><span class="s2">"lower"</span><span class="p">))</span> +</span><span id="pivot_column_names-639"><a href="#pivot_column_names-639"><span class="linenos">639</span></a> +</span><span id="pivot_column_names-640"><a href="#pivot_column_names-640"><span class="linenos">640</span></a> <span class="k">return</span> <span class="n">names</span> </span></pre></div> |