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Merging upstream version 21.0.1.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
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Daniel Baumann 2025-02-13 21:20:36 +01:00
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@ -76,7 +76,7 @@
<p>While there is a SQL standard, most SQL engines support a variation of that standard. This makes it difficult
to write portable SQL code. SQLGlot bridges all the different variations, called "dialects", with an extensible
SQL transpilation framework. </p>
SQL transpilation framework.</p>
<p>The base <code><a href="dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></code> class implements a generic dialect that aims to be as universal as possible.</p>
@ -138,90 +138,91 @@ dialect implementations in order to understand how their various components can
<label class="view-source-button" for="mod-dialects-view-source"><span>View Source</span></label>
<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="sd">&quot;&quot;&quot;</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a><span class="sd">## Dialects</span>
</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a>
</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a><span class="sd">While there is a SQL standard, most SQL engines support a variation of that standard. This makes it difficult</span>
</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="sd">to write portable SQL code. SQLGlot bridges all the different variations, called &quot;dialects&quot;, with an extensible</span>
</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="sd">SQL transpilation framework. </span>
</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a>
</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a><span class="sd">The base `sqlglot.dialects.dialect.Dialect` class implements a generic dialect that aims to be as universal as possible.</span>
</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a>
</span><span id="L-10"><a href="#L-10"><span class="linenos">10</span></a><span class="sd">Each SQL variation has its own `Dialect` subclass, extending the corresponding `Tokenizer`, `Parser` and `Generator`</span>
</span><span id="L-11"><a href="#L-11"><span class="linenos">11</span></a><span class="sd">classes as needed.</span>
</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a>
</span><span id="L-13"><a href="#L-13"><span class="linenos">13</span></a><span class="sd">### Implementing a custom Dialect</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 class="sd">Creating a new SQL dialect may seem complicated at first, but it is actually quite simple in SQLGlot:</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 class="sd">```python</span>
</span><span id="L-18"><a href="#L-18"><span class="linenos">18</span></a><span class="sd">from sqlglot import exp</span>
</span><span id="L-19"><a href="#L-19"><span class="linenos">19</span></a><span class="sd">from sqlglot.dialects.dialect import Dialect</span>
</span><span id="L-20"><a href="#L-20"><span class="linenos">20</span></a><span class="sd">from sqlglot.generator import Generator</span>
</span><span id="L-21"><a href="#L-21"><span class="linenos">21</span></a><span class="sd">from sqlglot.tokens import Tokenizer, TokenType</span>
</span><span id="L-22"><a href="#L-22"><span class="linenos">22</span></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="c1"># ruff: noqa: F401</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a><span class="sd">&quot;&quot;&quot;</span>
</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="sd">## Dialects</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a>
</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="sd">While there is a SQL standard, most SQL engines support a variation of that standard. This makes it difficult</span>
</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a><span class="sd">to write portable SQL code. SQLGlot bridges all the different variations, called &quot;dialects&quot;, with an extensible</span>
</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="sd">SQL transpilation framework.</span>
</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a>
</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a><span class="sd">The base `sqlglot.dialects.dialect.Dialect` class implements a generic dialect that aims to be as universal as possible.</span>
</span><span id="L-10"><a href="#L-10"><span class="linenos">10</span></a>
</span><span id="L-11"><a href="#L-11"><span class="linenos">11</span></a><span class="sd">Each SQL variation has its own `Dialect` subclass, extending the corresponding `Tokenizer`, `Parser` and `Generator`</span>
</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a><span class="sd">classes as needed.</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="sd">### Implementing a custom Dialect</span>
</span><span id="L-15"><a href="#L-15"><span class="linenos">15</span></a>
</span><span id="L-16"><a href="#L-16"><span class="linenos">16</span></a><span class="sd">Creating a new SQL dialect may seem complicated at first, but it is actually quite simple in SQLGlot:</span>
</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="sd">```python</span>
</span><span id="L-19"><a href="#L-19"><span class="linenos">19</span></a><span class="sd">from sqlglot import exp</span>
</span><span id="L-20"><a href="#L-20"><span class="linenos">20</span></a><span class="sd">from sqlglot.dialects.dialect import Dialect</span>
</span><span id="L-21"><a href="#L-21"><span class="linenos">21</span></a><span class="sd">from sqlglot.generator import Generator</span>
</span><span id="L-22"><a href="#L-22"><span class="linenos">22</span></a><span class="sd">from sqlglot.tokens import Tokenizer, TokenType</span>
</span><span id="L-23"><a href="#L-23"><span class="linenos">23</span></a>
</span><span id="L-24"><a href="#L-24"><span class="linenos">24</span></a><span class="sd">class Custom(Dialect):</span>
</span><span id="L-25"><a href="#L-25"><span class="linenos">25</span></a><span class="sd"> class Tokenizer(Tokenizer):</span>
</span><span id="L-26"><a href="#L-26"><span class="linenos">26</span></a><span class="sd"> QUOTES = [&quot;&#39;&quot;, &#39;&quot;&#39;] # Strings can be delimited by either single or double quotes</span>
</span><span id="L-27"><a href="#L-27"><span class="linenos">27</span></a><span class="sd"> IDENTIFIERS = [&quot;`&quot;] # Identifiers can be delimited by backticks</span>
</span><span id="L-28"><a href="#L-28"><span class="linenos">28</span></a>
</span><span id="L-29"><a href="#L-29"><span class="linenos">29</span></a><span class="sd"> # Associates certain meaningful words with tokens that capture their intent</span>
</span><span id="L-30"><a href="#L-30"><span class="linenos">30</span></a><span class="sd"> KEYWORDS = {</span>
</span><span id="L-31"><a href="#L-31"><span class="linenos">31</span></a><span class="sd"> **Tokenizer.KEYWORDS,</span>
</span><span id="L-32"><a href="#L-32"><span class="linenos">32</span></a><span class="sd"> &quot;INT64&quot;: TokenType.BIGINT,</span>
</span><span id="L-33"><a href="#L-33"><span class="linenos">33</span></a><span class="sd"> &quot;FLOAT64&quot;: TokenType.DOUBLE,</span>
</span><span id="L-34"><a href="#L-34"><span class="linenos">34</span></a><span class="sd"> }</span>
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</span></a>
</span><span id="L-36"><a href="#L-36"><span class="linenos">36</span></a><span class="sd"> class Generator(Generator):</span>
</span><span id="L-37"><a href="#L-37"><span class="linenos">37</span></a><span class="sd"> # Specifies how AST nodes, i.e. subclasses of exp.Expression, should be converted into SQL</span>
</span><span id="L-38"><a href="#L-38"><span class="linenos">38</span></a><span class="sd"> TRANSFORMS = {</span>
</span><span id="L-39"><a href="#L-39"><span class="linenos">39</span></a><span class="sd"> exp.Array: lambda self, e: f&quot;[{self.expressions(e)}]&quot;,</span>
</span><span id="L-40"><a href="#L-40"><span class="linenos">40</span></a><span class="sd"> }</span>
</span><span id="L-41"><a href="#L-41"><span class="linenos">41</span></a>
</span><span id="L-42"><a href="#L-42"><span class="linenos">42</span></a><span class="sd"> # Specifies how AST nodes representing data types should be converted into SQL</span>
</span><span id="L-43"><a href="#L-43"><span class="linenos">43</span></a><span class="sd"> TYPE_MAPPING = {</span>
</span><span id="L-44"><a href="#L-44"><span class="linenos">44</span></a><span class="sd"> exp.DataType.Type.TINYINT: &quot;INT64&quot;,</span>
</span><span id="L-45"><a href="#L-45"><span class="linenos">45</span></a><span class="sd"> exp.DataType.Type.SMALLINT: &quot;INT64&quot;,</span>
</span><span id="L-46"><a href="#L-46"><span class="linenos">46</span></a><span class="sd"> exp.DataType.Type.INT: &quot;INT64&quot;,</span>
</span><span id="L-47"><a href="#L-47"><span class="linenos">47</span></a><span class="sd"> exp.DataType.Type.BIGINT: &quot;INT64&quot;,</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos">48</span></a><span class="sd"> exp.DataType.Type.DECIMAL: &quot;NUMERIC&quot;,</span>
</span><span id="L-49"><a href="#L-49"><span class="linenos">49</span></a><span class="sd"> exp.DataType.Type.FLOAT: &quot;FLOAT64&quot;,</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos">50</span></a><span class="sd"> exp.DataType.Type.DOUBLE: &quot;FLOAT64&quot;,</span>
</span><span id="L-51"><a href="#L-51"><span class="linenos">51</span></a><span class="sd"> exp.DataType.Type.BOOLEAN: &quot;BOOL&quot;,</span>
</span><span id="L-52"><a href="#L-52"><span class="linenos">52</span></a><span class="sd"> exp.DataType.Type.TEXT: &quot;STRING&quot;,</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos">53</span></a><span class="sd"> }</span>
</span><span id="L-54"><a href="#L-54"><span class="linenos">54</span></a><span class="sd">```</span>
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a>
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</span></a><span class="sd">The above example demonstrates how certain parts of the base `Dialect` class can be overridden to match a different</span>
</span><span id="L-57"><a href="#L-57"><span class="linenos">57</span></a><span class="sd">specification. Even though it is a fairly realistic starting point, we strongly encourage the reader to study existing</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a><span class="sd">dialect implementations in order to understand how their various components can be modified, depending on the use-case.</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a>
</span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a><span class="sd">----</span>
</span><span id="L-61"><a href="#L-61"><span class="linenos">61</span></a><span class="sd">&quot;&quot;&quot;</span>
</span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a>
</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.bigquery</span> <span class="kn">import</span> <span class="n">BigQuery</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.clickhouse</span> <span class="kn">import</span> <span class="n">ClickHouse</span>
</span><span id="L-65"><a href="#L-65"><span class="linenos">65</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.databricks</span> <span class="kn">import</span> <span class="n">Databricks</span>
</span><span id="L-66"><a href="#L-66"><span class="linenos">66</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.dialect</span> <span class="kn">import</span> <span class="n">Dialect</span><span class="p">,</span> <span class="n">Dialects</span>
</span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.doris</span> <span class="kn">import</span> <span class="n">Doris</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos">68</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.drill</span> <span class="kn">import</span> <span class="n">Drill</span>
</span><span id="L-69"><a href="#L-69"><span class="linenos">69</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.duckdb</span> <span class="kn">import</span> <span class="n">DuckDB</span>
</span><span id="L-70"><a href="#L-70"><span class="linenos">70</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.hive</span> <span class="kn">import</span> <span class="n">Hive</span>
</span><span id="L-71"><a href="#L-71"><span class="linenos">71</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.mysql</span> <span class="kn">import</span> <span class="n">MySQL</span>
</span><span id="L-72"><a href="#L-72"><span class="linenos">72</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.oracle</span> <span class="kn">import</span> <span class="n">Oracle</span>
</span><span id="L-73"><a href="#L-73"><span class="linenos">73</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.postgres</span> <span class="kn">import</span> <span class="n">Postgres</span>
</span><span id="L-74"><a href="#L-74"><span class="linenos">74</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.presto</span> <span class="kn">import</span> <span class="n">Presto</span>
</span><span id="L-75"><a href="#L-75"><span class="linenos">75</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.redshift</span> <span class="kn">import</span> <span class="n">Redshift</span>
</span><span id="L-76"><a href="#L-76"><span class="linenos">76</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.snowflake</span> <span class="kn">import</span> <span class="n">Snowflake</span>
</span><span id="L-77"><a href="#L-77"><span class="linenos">77</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.spark</span> <span class="kn">import</span> <span class="n">Spark</span>
</span><span id="L-78"><a href="#L-78"><span class="linenos">78</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.spark2</span> <span class="kn">import</span> <span class="n">Spark2</span>
</span><span id="L-79"><a href="#L-79"><span class="linenos">79</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.sqlite</span> <span class="kn">import</span> <span class="n">SQLite</span>
</span><span id="L-80"><a href="#L-80"><span class="linenos">80</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.starrocks</span> <span class="kn">import</span> <span class="n">StarRocks</span>
</span><span id="L-81"><a href="#L-81"><span class="linenos">81</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.tableau</span> <span class="kn">import</span> <span class="n">Tableau</span>
</span><span id="L-82"><a href="#L-82"><span class="linenos">82</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.teradata</span> <span class="kn">import</span> <span class="n">Teradata</span>
</span><span id="L-83"><a href="#L-83"><span class="linenos">83</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.trino</span> <span class="kn">import</span> <span class="n">Trino</span>
</span><span id="L-84"><a href="#L-84"><span class="linenos">84</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.tsql</span> <span class="kn">import</span> <span class="n">TSQL</span>
</span><span id="L-24"><a href="#L-24"><span class="linenos">24</span></a>
</span><span id="L-25"><a href="#L-25"><span class="linenos">25</span></a><span class="sd">class Custom(Dialect):</span>
</span><span id="L-26"><a href="#L-26"><span class="linenos">26</span></a><span class="sd"> class Tokenizer(Tokenizer):</span>
</span><span id="L-27"><a href="#L-27"><span class="linenos">27</span></a><span class="sd"> QUOTES = [&quot;&#39;&quot;, &#39;&quot;&#39;] # Strings can be delimited by either single or double quotes</span>
</span><span id="L-28"><a href="#L-28"><span class="linenos">28</span></a><span class="sd"> IDENTIFIERS = [&quot;`&quot;] # Identifiers can be delimited by backticks</span>
</span><span id="L-29"><a href="#L-29"><span class="linenos">29</span></a>
</span><span id="L-30"><a href="#L-30"><span class="linenos">30</span></a><span class="sd"> # Associates certain meaningful words with tokens that capture their intent</span>
</span><span id="L-31"><a href="#L-31"><span class="linenos">31</span></a><span class="sd"> KEYWORDS = {</span>
</span><span id="L-32"><a href="#L-32"><span class="linenos">32</span></a><span class="sd"> **Tokenizer.KEYWORDS,</span>
</span><span id="L-33"><a href="#L-33"><span class="linenos">33</span></a><span class="sd"> &quot;INT64&quot;: TokenType.BIGINT,</span>
</span><span id="L-34"><a href="#L-34"><span class="linenos">34</span></a><span class="sd"> &quot;FLOAT64&quot;: TokenType.DOUBLE,</span>
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</span></a><span class="sd"> }</span>
</span><span id="L-36"><a href="#L-36"><span class="linenos">36</span></a>
</span><span id="L-37"><a href="#L-37"><span class="linenos">37</span></a><span class="sd"> class Generator(Generator):</span>
</span><span id="L-38"><a href="#L-38"><span class="linenos">38</span></a><span class="sd"> # Specifies how AST nodes, i.e. subclasses of exp.Expression, should be converted into SQL</span>
</span><span id="L-39"><a href="#L-39"><span class="linenos">39</span></a><span class="sd"> TRANSFORMS = {</span>
</span><span id="L-40"><a href="#L-40"><span class="linenos">40</span></a><span class="sd"> exp.Array: lambda self, e: f&quot;[{self.expressions(e)}]&quot;,</span>
</span><span id="L-41"><a href="#L-41"><span class="linenos">41</span></a><span class="sd"> }</span>
</span><span id="L-42"><a href="#L-42"><span class="linenos">42</span></a>
</span><span id="L-43"><a href="#L-43"><span class="linenos">43</span></a><span class="sd"> # Specifies how AST nodes representing data types should be converted into SQL</span>
</span><span id="L-44"><a href="#L-44"><span class="linenos">44</span></a><span class="sd"> TYPE_MAPPING = {</span>
</span><span id="L-45"><a href="#L-45"><span class="linenos">45</span></a><span class="sd"> exp.DataType.Type.TINYINT: &quot;INT64&quot;,</span>
</span><span id="L-46"><a href="#L-46"><span class="linenos">46</span></a><span class="sd"> exp.DataType.Type.SMALLINT: &quot;INT64&quot;,</span>
</span><span id="L-47"><a href="#L-47"><span class="linenos">47</span></a><span class="sd"> exp.DataType.Type.INT: &quot;INT64&quot;,</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos">48</span></a><span class="sd"> exp.DataType.Type.BIGINT: &quot;INT64&quot;,</span>
</span><span id="L-49"><a href="#L-49"><span class="linenos">49</span></a><span class="sd"> exp.DataType.Type.DECIMAL: &quot;NUMERIC&quot;,</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos">50</span></a><span class="sd"> exp.DataType.Type.FLOAT: &quot;FLOAT64&quot;,</span>
</span><span id="L-51"><a href="#L-51"><span class="linenos">51</span></a><span class="sd"> exp.DataType.Type.DOUBLE: &quot;FLOAT64&quot;,</span>
</span><span id="L-52"><a href="#L-52"><span class="linenos">52</span></a><span class="sd"> exp.DataType.Type.BOOLEAN: &quot;BOOL&quot;,</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos">53</span></a><span class="sd"> exp.DataType.Type.TEXT: &quot;STRING&quot;,</span>
</span><span id="L-54"><a href="#L-54"><span class="linenos">54</span></a><span class="sd"> }</span>
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a><span class="sd">```</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="sd">The above example demonstrates how certain parts of the base `Dialect` class can be overridden to match a different</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a><span class="sd">specification. Even though it is a fairly realistic starting point, we strongly encourage the reader to study existing</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a><span class="sd">dialect implementations in order to understand how their various components can be modified, depending on the use-case.</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="sd">----</span>
</span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a><span class="sd">&quot;&quot;&quot;</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="kn">from</span> <span class="nn">sqlglot.dialects.bigquery</span> <span class="kn">import</span> <span class="n">BigQuery</span>
</span><span id="L-65"><a href="#L-65"><span class="linenos">65</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.clickhouse</span> <span class="kn">import</span> <span class="n">ClickHouse</span>
</span><span id="L-66"><a href="#L-66"><span class="linenos">66</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.databricks</span> <span class="kn">import</span> <span class="n">Databricks</span>
</span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.dialect</span> <span class="kn">import</span> <span class="n">Dialect</span><span class="p">,</span> <span class="n">Dialects</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos">68</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.doris</span> <span class="kn">import</span> <span class="n">Doris</span>
</span><span id="L-69"><a href="#L-69"><span class="linenos">69</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.drill</span> <span class="kn">import</span> <span class="n">Drill</span>
</span><span id="L-70"><a href="#L-70"><span class="linenos">70</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.duckdb</span> <span class="kn">import</span> <span class="n">DuckDB</span>
</span><span id="L-71"><a href="#L-71"><span class="linenos">71</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.hive</span> <span class="kn">import</span> <span class="n">Hive</span>
</span><span id="L-72"><a href="#L-72"><span class="linenos">72</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.mysql</span> <span class="kn">import</span> <span class="n">MySQL</span>
</span><span id="L-73"><a href="#L-73"><span class="linenos">73</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.oracle</span> <span class="kn">import</span> <span class="n">Oracle</span>
</span><span id="L-74"><a href="#L-74"><span class="linenos">74</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.postgres</span> <span class="kn">import</span> <span class="n">Postgres</span>
</span><span id="L-75"><a href="#L-75"><span class="linenos">75</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.presto</span> <span class="kn">import</span> <span class="n">Presto</span>
</span><span id="L-76"><a href="#L-76"><span class="linenos">76</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.redshift</span> <span class="kn">import</span> <span class="n">Redshift</span>
</span><span id="L-77"><a href="#L-77"><span class="linenos">77</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.snowflake</span> <span class="kn">import</span> <span class="n">Snowflake</span>
</span><span id="L-78"><a href="#L-78"><span class="linenos">78</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.spark</span> <span class="kn">import</span> <span class="n">Spark</span>
</span><span id="L-79"><a href="#L-79"><span class="linenos">79</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.spark2</span> <span class="kn">import</span> <span class="n">Spark2</span>
</span><span id="L-80"><a href="#L-80"><span class="linenos">80</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.sqlite</span> <span class="kn">import</span> <span class="n">SQLite</span>
</span><span id="L-81"><a href="#L-81"><span class="linenos">81</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.starrocks</span> <span class="kn">import</span> <span class="n">StarRocks</span>
</span><span id="L-82"><a href="#L-82"><span class="linenos">82</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.tableau</span> <span class="kn">import</span> <span class="n">Tableau</span>
</span><span id="L-83"><a href="#L-83"><span class="linenos">83</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.teradata</span> <span class="kn">import</span> <span class="n">Teradata</span>
</span><span id="L-84"><a href="#L-84"><span class="linenos">84</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.trino</span> <span class="kn">import</span> <span class="n">Trino</span>
</span><span id="L-85"><a href="#L-85"><span class="linenos">85</span></a><span class="kn">from</span> <span class="nn">sqlglot.dialects.tsql</span> <span class="kn">import</span> <span class="n">TSQL</span>
</span></pre></div>