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Diffstat (limited to 'docs/sqlglot.html')
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1 files changed, 235 insertions, 232 deletions
diff --git a/docs/sqlglot.html b/docs/sqlglot.html index 8c37b8d..1bbf2ae 100644 --- a/docs/sqlglot.html +++ b/docs/sqlglot.html @@ -673,168 +673,171 @@ </span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a> <span class="n">Expression</span> <span class="k">as</span> <span class="n">Expression</span><span class="p">,</span> </span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a> <span class="n">alias_</span> <span class="k">as</span> <span class="n">alias</span><span class="p">,</span> </span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a> <span class="n">and_</span> <span class="k">as</span> <span class="n">and_</span><span class="p">,</span> -</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">column</span> <span class="k">as</span> <span class="n">column</span><span class="p">,</span> -</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">condition</span> <span class="k">as</span> <span class="n">condition</span><span class="p">,</span> -</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">except_</span> <span class="k">as</span> <span class="n">except_</span><span class="p">,</span> -</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">from_</span> <span class="k">as</span> <span class="n">from_</span><span class="p">,</span> -</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">intersect</span> <span class="k">as</span> <span class="n">intersect</span><span class="p">,</span> -</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">maybe_parse</span> <span class="k">as</span> <span class="n">maybe_parse</span><span class="p">,</span> -</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">not_</span> <span class="k">as</span> <span class="n">not_</span><span class="p">,</span> -</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">or_</span> <span class="k">as</span> <span class="n">or_</span><span class="p">,</span> -</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">select</span> <span class="k">as</span> <span class="n">select</span><span class="p">,</span> -</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">subquery</span> <span class="k">as</span> <span class="n">subquery</span><span class="p">,</span> -</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">table_</span> <span class="k">as</span> <span class="n">table</span><span class="p">,</span> -</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">to_column</span> <span class="k">as</span> <span class="n">to_column</span><span class="p">,</span> -</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">to_table</span> <span class="k">as</span> <span class="n">to_table</span><span class="p">,</span> -</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">union</span> <span class="k">as</span> <span class="n">union</span><span class="p">,</span> -</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a><span class="p">)</span> -</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a><span class="kn">from</span> <span class="nn">sqlglot.generator</span> <span class="kn">import</span> <span class="n">Generator</span> <span class="k">as</span> <span class="n">Generator</span> -</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a><span class="kn">from</span> <span class="nn">sqlglot.parser</span> <span class="kn">import</span> <span class="n">Parser</span> <span class="k">as</span> <span class="n">Parser</span> -</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a><span class="kn">from</span> <span class="nn">sqlglot.schema</span> <span class="kn">import</span> <span class="n">MappingSchema</span> <span class="k">as</span> <span class="n">MappingSchema</span><span class="p">,</span> <span class="n">Schema</span> <span class="k">as</span> <span class="n">Schema</span> -</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">Tokenizer</span> <span class="k">as</span> <span class="n">Tokenizer</span><span class="p">,</span> <span class="n">TokenType</span> <span class="k">as</span> <span class="n">TokenType</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">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-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dialects.dialect</span> <span class="kn">import</span> <span class="n">DialectType</span> <span class="k">as</span> <span class="n">DialectType</span> +</span><span id="L-24"><a href="#L-24"><span class="linenos"> 24</span></a> <span class="n">cast</span> <span class="k">as</span> <span class="n">cast</span><span class="p">,</span> +</span><span id="L-25"><a href="#L-25"><span class="linenos"> 25</span></a> <span class="n">column</span> <span class="k">as</span> <span class="n">column</span><span class="p">,</span> +</span><span id="L-26"><a href="#L-26"><span class="linenos"> 26</span></a> <span class="n">condition</span> <span class="k">as</span> <span class="n">condition</span><span class="p">,</span> +</span><span id="L-27"><a href="#L-27"><span class="linenos"> 27</span></a> <span class="n">except_</span> <span class="k">as</span> <span class="n">except_</span><span class="p">,</span> +</span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">from_</span> <span class="k">as</span> <span class="n">from_</span><span class="p">,</span> +</span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> <span class="n">func</span> <span class="k">as</span> <span class="n">func</span><span class="p">,</span> +</span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="n">intersect</span> <span class="k">as</span> <span class="n">intersect</span><span class="p">,</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">maybe_parse</span> <span class="k">as</span> <span class="n">maybe_parse</span><span class="p">,</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">not_</span> <span class="k">as</span> <span class="n">not_</span><span class="p">,</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">or_</span> <span class="k">as</span> <span class="n">or_</span><span class="p">,</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">select</span> <span class="k">as</span> <span class="n">select</span><span class="p">,</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">subquery</span> <span class="k">as</span> <span class="n">subquery</span><span class="p">,</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">table_</span> <span class="k">as</span> <span class="n">table</span><span class="p">,</span> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">to_column</span> <span class="k">as</span> <span class="n">to_column</span><span class="p">,</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">to_identifier</span> <span class="k">as</span> <span class="n">to_identifier</span><span class="p">,</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">to_table</span> <span class="k">as</span> <span class="n">to_table</span><span class="p">,</span> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">union</span> <span class="k">as</span> <span class="n">union</span><span class="p">,</span> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a><span class="p">)</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a><span class="kn">from</span> <span class="nn">sqlglot.generator</span> <span class="kn">import</span> <span class="n">Generator</span> <span class="k">as</span> <span class="n">Generator</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a><span class="kn">from</span> <span class="nn">sqlglot.parser</span> <span class="kn">import</span> <span class="n">Parser</span> <span class="k">as</span> <span class="n">Parser</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a><span class="kn">from</span> <span class="nn">sqlglot.schema</span> <span class="kn">import</span> <span class="n">MappingSchema</span> <span class="k">as</span> <span class="n">MappingSchema</span><span class="p">,</span> <span class="n">Schema</span> <span class="k">as</span> <span class="n">Schema</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a><span class="kn">from</span> <span class="nn">sqlglot.tokens</span> <span class="kn">import</span> <span class="n">Tokenizer</span> <span class="k">as</span> <span class="n">Tokenizer</span><span class="p">,</span> <span class="n">TokenType</span> <span class="k">as</span> <span class="n">TokenType</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 class="n">T</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"T"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">Expression</span><span class="p">)</span> -</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</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-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="kn">from</span> <span class="nn">sqlglot.dialects.dialect</span> <span class="kn">import</span> <span class="n">DialectType</span> <span class="k">as</span> <span class="n">DialectType</span> </span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> -</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="s2">"11.6.3"</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="n">T</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">TypeVar</span><span class="p">(</span><span class="s2">"T"</span><span class="p">,</span> <span class="n">bound</span><span class="o">=</span><span class="n">Expression</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="n">pretty</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a><span class="sd">"""Whether to format generated SQL by default."""</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a><span class="n">__version__</span> <span class="o">=</span> <span class="s2">"12.1.0"</span> </span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> -</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="n">schema</span> <span class="o">=</span> <span class="n">MappingSchema</span><span class="p">()</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="sd">"""The default schema used by SQLGlot (e.g. in the optimizer)."""</span> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="n">pretty</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="sd">"""Whether to format generated SQL by default."""</span> </span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> -</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">def</span> <span class="nf">parse</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="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</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">Expression</span><span class="p">]]:</span> -</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a><span class="sd"> Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.</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="sd"> Args:</span> -</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a><span class="sd"> sql: the SQL code string to parse.</span> -</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</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="sd"> Returns:</span> -</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="sd"> The resulting syntax tree collection.</span> -</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a><span class="sd"> """</span> -</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</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">read</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="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</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><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">read</span><span class="p">:</span> <span class="kc">None</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">into</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">T</span><span class="p">]</span> <span class="o">=</span> <span class="o">...</span><span class="p">,</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">T</span><span class="p">:</span> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="o">...</span> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> -</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> -</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> -</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">,</span> -</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">into</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">T</span><span class="p">],</span> -</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="o">**</span><span class="n">opts</span><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="o">-></span> <span class="n">T</span><span class="p">:</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="o">...</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> -</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="nd">@t</span><span class="o">.</span><span class="n">overload</span> -</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">read</span><span class="p">:</span> <span class="kc">None</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="n">into</span><span class="p">:</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">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</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">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Expression</span><span class="p">]]]]</span> <span class="o">=</span> <span class="o">...</span><span class="p">,</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="o">...</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> -</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="nd">@t</span><span class="o">.</span><span class="n">overload</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">,</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">into</span><span class="p">:</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">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</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">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Expression</span><span class="p">]]]],</span> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="o">**</span><span class="n">opts</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 class="o">-></span> <span class="n">Expression</span><span class="p">:</span> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="o">...</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> -</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="o">...</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><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">into</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">IntoType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> -</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a><span class="sd"> Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.</span> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a><span class="sd"> Args:</span> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a><span class="sd"> sql: the SQL code string to parse.</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a><span class="sd"> into: the SQLGlot Expression to parse into.</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a><span class="sd"> Returns:</span> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a><span class="sd"> The syntax tree for the first parsed statement.</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a><span class="sd"> """</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="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">read</span><span class="p">)()</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="k">if</span> <span class="n">into</span><span class="p">:</span> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">into</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">result</span><span class="p">:</span> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="p">:</span> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> -</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> -</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="k">def</span> <span class="nf">transpile</span><span class="p">(</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">write</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">identity</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">error_level</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">ErrorLevel</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</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="nb">str</span><span class="p">]:</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a><span class="sd"> Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed</span> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a><span class="sd"> to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.</span> -</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a><span class="sd"> Args:</span> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a><span class="sd"> sql: the SQL code string to transpile.</span> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a><span class="sd"> read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a><span class="sd"> write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a><span class="sd"> identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both:</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a><span class="sd"> the source and the target dialect.</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a><span class="sd"> error_level: the desired error level of the parser.</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a><span class="sd"> **opts: other `sqlglot.generator.Generator` options.</span> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a><span class="sd"> Returns:</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a><span class="sd"> The list of transpiled SQL statements.</span> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a><span class="sd"> """</span> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">write</span> <span class="o">=</span> <span class="n">write</span> <span class="ow">or</span> <span class="n">read</span> <span class="k">if</span> <span class="n">identity</span> <span class="k">else</span> <span class="n">write</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">return</span> <span class="p">[</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">write</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 class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">read</span><span class="p">,</span> <span class="n">error_level</span><span class="o">=</span><span class="n">error_level</span><span class="p">)</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="p">]</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a><span class="n">schema</span> <span class="o">=</span> <span class="n">MappingSchema</span><span class="p">()</span> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a><span class="sd">"""The default schema used by SQLGlot (e.g. in the optimizer)."""</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><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a><span class="k">def</span> <span class="nf">parse</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="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</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">Expression</span><span class="p">]]:</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a><span class="sd"> Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="sd"> Args:</span> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a><span class="sd"> sql: the SQL code string to parse.</span> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a><span class="sd"> Returns:</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a><span class="sd"> The resulting syntax tree collection.</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a><span class="sd"> """</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</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">read</span><span class="p">)()</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">read</span><span class="p">:</span> <span class="kc">None</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">into</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">T</span><span class="p">]</span> <span class="o">=</span> <span class="o">...</span><span class="p">,</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">T</span><span class="p">:</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="o">...</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> +</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="nd">@t</span><span class="o">.</span><span class="n">overload</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">,</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">into</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">T</span><span class="p">],</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">T</span><span class="p">:</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="o">...</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">read</span><span class="p">:</span> <span class="kc">None</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">into</span><span class="p">:</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">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</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">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Expression</span><span class="p">]]]]</span> <span class="o">=</span> <span class="o">...</span><span class="p">,</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="o">...</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span><span class="p">,</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">into</span><span class="p">:</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">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</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">t</span><span class="o">.</span><span class="n">Type</span><span class="p">[</span><span class="n">Expression</span><span class="p">]]]],</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="o">...</span> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a><span class="nd">@t</span><span class="o">.</span><span class="n">overload</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="o">...</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><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="n">into</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">IntoType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a><span class="sd"> Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a><span class="sd"> Args:</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a><span class="sd"> sql: the SQL code string to parse.</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a><span class="sd"> into: the SQLGlot Expression to parse into.</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a><span class="sd"> Returns:</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a><span class="sd"> The syntax tree for the first parsed statement.</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a><span class="sd"> """</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="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">read</span><span class="p">)()</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">if</span> <span class="n">into</span><span class="p">:</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">into</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">result</span><span class="p">:</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="p">:</span> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</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><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a><span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="n">write</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">identity</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">error_level</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">ErrorLevel</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a><span class="sd"> Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed</span> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a><span class="sd"> to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a><span class="sd"> Args:</span> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a><span class="sd"> sql: the SQL code string to transpile.</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a><span class="sd"> read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a><span class="sd"> write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a><span class="sd"> identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both:</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a><span class="sd"> the source and the target dialect.</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a><span class="sd"> error_level: the desired error level of the parser.</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a><span class="sd"> **opts: other `sqlglot.generator.Generator` options.</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a><span class="sd"> Returns:</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a><span class="sd"> The list of transpiled SQL statements.</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a><span class="sd"> """</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">write</span> <span class="o">=</span> <span class="n">write</span> <span class="ow">or</span> <span class="n">read</span> <span class="k">if</span> <span class="n">identity</span> <span class="k">else</span> <span class="n">write</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="k">return</span> <span class="p">[</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">write</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 class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">read</span><span class="p">,</span> <span class="n">error_level</span><span class="o">=</span><span class="n">error_level</span><span class="p">)</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="p">]</span> </span></pre></div> @@ -878,20 +881,20 @@ </div> <a class="headerlink" href="#parse"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="parse-60"><a href="#parse-60"><span class="linenos">60</span></a><span class="k">def</span> <span class="nf">parse</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="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</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">Expression</span><span class="p">]]:</span> -</span><span id="parse-61"><a href="#parse-61"><span class="linenos">61</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="parse-62"><a href="#parse-62"><span class="linenos">62</span></a><span class="sd"> Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.</span> -</span><span id="parse-63"><a href="#parse-63"><span class="linenos">63</span></a> -</span><span id="parse-64"><a href="#parse-64"><span class="linenos">64</span></a><span class="sd"> Args:</span> -</span><span id="parse-65"><a href="#parse-65"><span class="linenos">65</span></a><span class="sd"> sql: the SQL code string to parse.</span> -</span><span id="parse-66"><a href="#parse-66"><span class="linenos">66</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="parse-67"><a href="#parse-67"><span class="linenos">67</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> -</span><span id="parse-68"><a href="#parse-68"><span class="linenos">68</span></a> -</span><span id="parse-69"><a href="#parse-69"><span class="linenos">69</span></a><span class="sd"> Returns:</span> -</span><span id="parse-70"><a href="#parse-70"><span class="linenos">70</span></a><span class="sd"> The resulting syntax tree collection.</span> -</span><span id="parse-71"><a href="#parse-71"><span class="linenos">71</span></a><span class="sd"> """</span> -</span><span id="parse-72"><a href="#parse-72"><span class="linenos">72</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">read</span><span class="p">)()</span> -</span><span id="parse-73"><a href="#parse-73"><span class="linenos">73</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</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="parse-63"><a href="#parse-63"><span class="linenos">63</span></a><span class="k">def</span> <span class="nf">parse</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="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</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">Expression</span><span class="p">]]:</span> +</span><span id="parse-64"><a href="#parse-64"><span class="linenos">64</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="parse-65"><a href="#parse-65"><span class="linenos">65</span></a><span class="sd"> Parses the given SQL string into a collection of syntax trees, one per parsed SQL statement.</span> +</span><span id="parse-66"><a href="#parse-66"><span class="linenos">66</span></a> +</span><span id="parse-67"><a href="#parse-67"><span class="linenos">67</span></a><span class="sd"> Args:</span> +</span><span id="parse-68"><a href="#parse-68"><span class="linenos">68</span></a><span class="sd"> sql: the SQL code string to parse.</span> +</span><span id="parse-69"><a href="#parse-69"><span class="linenos">69</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="parse-70"><a href="#parse-70"><span class="linenos">70</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> +</span><span id="parse-71"><a href="#parse-71"><span class="linenos">71</span></a> +</span><span id="parse-72"><a href="#parse-72"><span class="linenos">72</span></a><span class="sd"> Returns:</span> +</span><span id="parse-73"><a href="#parse-73"><span class="linenos">73</span></a><span class="sd"> The resulting syntax tree collection.</span> +</span><span id="parse-74"><a href="#parse-74"><span class="linenos">74</span></a><span class="sd"> """</span> +</span><span id="parse-75"><a href="#parse-75"><span class="linenos">75</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">read</span><span class="p">)()</span> +</span><span id="parse-76"><a href="#parse-76"><span class="linenos">76</span></a> <span class="k">return</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> </span></pre></div> @@ -925,38 +928,38 @@ </div> <a class="headerlink" href="#parse_one"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="parse_one-124"><a href="#parse_one-124"><span class="linenos">124</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> -</span><span id="parse_one-125"><a href="#parse_one-125"><span class="linenos">125</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="parse_one-126"><a href="#parse_one-126"><span class="linenos">126</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="parse_one-127"><a href="#parse_one-127"><span class="linenos">127</span></a> <span class="n">into</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">IntoType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="parse_one-128"><a href="#parse_one-128"><span class="linenos">128</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="parse_one-129"><a href="#parse_one-129"><span class="linenos">129</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> -</span><span id="parse_one-130"><a href="#parse_one-130"><span class="linenos">130</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="parse_one-131"><a href="#parse_one-131"><span class="linenos">131</span></a><span class="sd"> Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.</span> -</span><span id="parse_one-132"><a href="#parse_one-132"><span class="linenos">132</span></a> -</span><span id="parse_one-133"><a href="#parse_one-133"><span class="linenos">133</span></a><span class="sd"> Args:</span> -</span><span id="parse_one-134"><a href="#parse_one-134"><span class="linenos">134</span></a><span class="sd"> sql: the SQL code string to parse.</span> -</span><span id="parse_one-135"><a href="#parse_one-135"><span class="linenos">135</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="parse_one-136"><a href="#parse_one-136"><span class="linenos">136</span></a><span class="sd"> into: the SQLGlot Expression to parse into.</span> -</span><span id="parse_one-137"><a href="#parse_one-137"><span class="linenos">137</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> -</span><span id="parse_one-138"><a href="#parse_one-138"><span class="linenos">138</span></a> -</span><span id="parse_one-139"><a href="#parse_one-139"><span class="linenos">139</span></a><span class="sd"> Returns:</span> -</span><span id="parse_one-140"><a href="#parse_one-140"><span class="linenos">140</span></a><span class="sd"> The syntax tree for the first parsed statement.</span> -</span><span id="parse_one-141"><a href="#parse_one-141"><span class="linenos">141</span></a><span class="sd"> """</span> -</span><span id="parse_one-142"><a href="#parse_one-142"><span class="linenos">142</span></a> -</span><span id="parse_one-143"><a href="#parse_one-143"><span class="linenos">143</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">read</span><span class="p">)()</span> -</span><span id="parse_one-144"><a href="#parse_one-144"><span class="linenos">144</span></a> -</span><span id="parse_one-145"><a href="#parse_one-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="n">into</span><span class="p">:</span> -</span><span id="parse_one-146"><a href="#parse_one-146"><span class="linenos">146</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">into</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="parse_one-147"><a href="#parse_one-147"><span class="linenos">147</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="parse_one-148"><a href="#parse_one-148"><span class="linenos">148</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="parse_one-149"><a href="#parse_one-149"><span class="linenos">149</span></a> -</span><span id="parse_one-150"><a href="#parse_one-150"><span class="linenos">150</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">result</span><span class="p">:</span> -</span><span id="parse_one-151"><a href="#parse_one-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="p">:</span> -</span><span id="parse_one-152"><a href="#parse_one-152"><span class="linenos">152</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> -</span><span id="parse_one-153"><a href="#parse_one-153"><span class="linenos">153</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="parse_one-154"><a href="#parse_one-154"><span class="linenos">154</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="parse_one-155"><a href="#parse_one-155"><span class="linenos">155</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="parse_one-127"><a href="#parse_one-127"><span class="linenos">127</span></a><span class="k">def</span> <span class="nf">parse_one</span><span class="p">(</span> +</span><span id="parse_one-128"><a href="#parse_one-128"><span class="linenos">128</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="parse_one-129"><a href="#parse_one-129"><span class="linenos">129</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="parse_one-130"><a href="#parse_one-130"><span class="linenos">130</span></a> <span class="n">into</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">IntoType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="parse_one-131"><a href="#parse_one-131"><span class="linenos">131</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="parse_one-132"><a href="#parse_one-132"><span class="linenos">132</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">Expression</span><span class="p">:</span> +</span><span id="parse_one-133"><a href="#parse_one-133"><span class="linenos">133</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="parse_one-134"><a href="#parse_one-134"><span class="linenos">134</span></a><span class="sd"> Parses the given SQL string and returns a syntax tree for the first parsed SQL statement.</span> +</span><span id="parse_one-135"><a href="#parse_one-135"><span class="linenos">135</span></a> +</span><span id="parse_one-136"><a href="#parse_one-136"><span class="linenos">136</span></a><span class="sd"> Args:</span> +</span><span id="parse_one-137"><a href="#parse_one-137"><span class="linenos">137</span></a><span class="sd"> sql: the SQL code string to parse.</span> +</span><span id="parse_one-138"><a href="#parse_one-138"><span class="linenos">138</span></a><span class="sd"> read: the SQL dialect to apply during parsing (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="parse_one-139"><a href="#parse_one-139"><span class="linenos">139</span></a><span class="sd"> into: the SQLGlot Expression to parse into.</span> +</span><span id="parse_one-140"><a href="#parse_one-140"><span class="linenos">140</span></a><span class="sd"> **opts: other `sqlglot.parser.Parser` options.</span> +</span><span id="parse_one-141"><a href="#parse_one-141"><span class="linenos">141</span></a> +</span><span id="parse_one-142"><a href="#parse_one-142"><span class="linenos">142</span></a><span class="sd"> Returns:</span> +</span><span id="parse_one-143"><a href="#parse_one-143"><span class="linenos">143</span></a><span class="sd"> The syntax tree for the first parsed statement.</span> +</span><span id="parse_one-144"><a href="#parse_one-144"><span class="linenos">144</span></a><span class="sd"> """</span> +</span><span id="parse_one-145"><a href="#parse_one-145"><span class="linenos">145</span></a> +</span><span id="parse_one-146"><a href="#parse_one-146"><span class="linenos">146</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">read</span><span class="p">)()</span> +</span><span id="parse_one-147"><a href="#parse_one-147"><span class="linenos">147</span></a> +</span><span id="parse_one-148"><a href="#parse_one-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="n">into</span><span class="p">:</span> +</span><span id="parse_one-149"><a href="#parse_one-149"><span class="linenos">149</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse_into</span><span class="p">(</span><span class="n">into</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="parse_one-150"><a href="#parse_one-150"><span class="linenos">150</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="parse_one-151"><a href="#parse_one-151"><span class="linenos">151</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">dialect</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="parse_one-152"><a href="#parse_one-152"><span class="linenos">152</span></a> +</span><span id="parse_one-153"><a href="#parse_one-153"><span class="linenos">153</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">result</span><span class="p">:</span> +</span><span id="parse_one-154"><a href="#parse_one-154"><span class="linenos">154</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">expression</span><span class="p">:</span> +</span><span id="parse_one-155"><a href="#parse_one-155"><span class="linenos">155</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> +</span><span id="parse_one-156"><a href="#parse_one-156"><span class="linenos">156</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="parse_one-157"><a href="#parse_one-157"><span class="linenos">157</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="parse_one-158"><a href="#parse_one-158"><span class="linenos">158</span></a> <span class="k">raise</span> <span class="n">ParseError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"No expression was parsed from '</span><span class="si">{</span><span class="n">sql</span><span class="si">}</span><span class="s2">'"</span><span class="p">)</span> </span></pre></div> @@ -991,35 +994,35 @@ </div> <a class="headerlink" href="#transpile"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="transpile-158"><a href="#transpile-158"><span class="linenos">158</span></a><span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span> -</span><span id="transpile-159"><a href="#transpile-159"><span class="linenos">159</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="transpile-160"><a href="#transpile-160"><span class="linenos">160</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="transpile-161"><a href="#transpile-161"><span class="linenos">161</span></a> <span class="n">write</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="transpile-162"><a href="#transpile-162"><span class="linenos">162</span></a> <span class="n">identity</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> -</span><span id="transpile-163"><a href="#transpile-163"><span class="linenos">163</span></a> <span class="n">error_level</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">ErrorLevel</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="transpile-164"><a href="#transpile-164"><span class="linenos">164</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> -</span><span id="transpile-165"><a href="#transpile-165"><span class="linenos">165</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="nb">str</span><span class="p">]:</span> -</span><span id="transpile-166"><a href="#transpile-166"><span class="linenos">166</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="transpile-167"><a href="#transpile-167"><span class="linenos">167</span></a><span class="sd"> Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed</span> -</span><span id="transpile-168"><a href="#transpile-168"><span class="linenos">168</span></a><span class="sd"> to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.</span> -</span><span id="transpile-169"><a href="#transpile-169"><span class="linenos">169</span></a> -</span><span id="transpile-170"><a href="#transpile-170"><span class="linenos">170</span></a><span class="sd"> Args:</span> -</span><span id="transpile-171"><a href="#transpile-171"><span class="linenos">171</span></a><span class="sd"> sql: the SQL code string to transpile.</span> -</span><span id="transpile-172"><a href="#transpile-172"><span class="linenos">172</span></a><span class="sd"> read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="transpile-173"><a href="#transpile-173"><span class="linenos">173</span></a><span class="sd"> write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql").</span> -</span><span id="transpile-174"><a href="#transpile-174"><span class="linenos">174</span></a><span class="sd"> identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both:</span> -</span><span id="transpile-175"><a href="#transpile-175"><span class="linenos">175</span></a><span class="sd"> the source and the target dialect.</span> -</span><span id="transpile-176"><a href="#transpile-176"><span class="linenos">176</span></a><span class="sd"> error_level: the desired error level of the parser.</span> -</span><span id="transpile-177"><a href="#transpile-177"><span class="linenos">177</span></a><span class="sd"> **opts: other `sqlglot.generator.Generator` options.</span> -</span><span id="transpile-178"><a href="#transpile-178"><span class="linenos">178</span></a> -</span><span id="transpile-179"><a href="#transpile-179"><span class="linenos">179</span></a><span class="sd"> Returns:</span> -</span><span id="transpile-180"><a href="#transpile-180"><span class="linenos">180</span></a><span class="sd"> The list of transpiled SQL statements.</span> -</span><span id="transpile-181"><a href="#transpile-181"><span class="linenos">181</span></a><span class="sd"> """</span> -</span><span id="transpile-182"><a href="#transpile-182"><span class="linenos">182</span></a> <span class="n">write</span> <span class="o">=</span> <span class="n">write</span> <span class="ow">or</span> <span class="n">read</span> <span class="k">if</span> <span class="n">identity</span> <span class="k">else</span> <span class="n">write</span> -</span><span id="transpile-183"><a href="#transpile-183"><span class="linenos">183</span></a> <span class="k">return</span> <span class="p">[</span> -</span><span id="transpile-184"><a href="#transpile-184"><span class="linenos">184</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">write</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 class="o">**</span><span class="n">opts</span><span class="p">)</span> -</span><span id="transpile-185"><a href="#transpile-185"><span class="linenos">185</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">read</span><span class="p">,</span> <span class="n">error_level</span><span class="o">=</span><span class="n">error_level</span><span class="p">)</span> -</span><span id="transpile-186"><a href="#transpile-186"><span class="linenos">186</span></a> <span class="p">]</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="transpile-161"><a href="#transpile-161"><span class="linenos">161</span></a><span class="k">def</span> <span class="nf">transpile</span><span class="p">(</span> +</span><span id="transpile-162"><a href="#transpile-162"><span class="linenos">162</span></a> <span class="n">sql</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="transpile-163"><a href="#transpile-163"><span class="linenos">163</span></a> <span class="n">read</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="transpile-164"><a href="#transpile-164"><span class="linenos">164</span></a> <span class="n">write</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="transpile-165"><a href="#transpile-165"><span class="linenos">165</span></a> <span class="n">identity</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> +</span><span id="transpile-166"><a href="#transpile-166"><span class="linenos">166</span></a> <span class="n">error_level</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">ErrorLevel</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="transpile-167"><a href="#transpile-167"><span class="linenos">167</span></a> <span class="o">**</span><span class="n">opts</span><span class="p">,</span> +</span><span id="transpile-168"><a href="#transpile-168"><span class="linenos">168</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="transpile-169"><a href="#transpile-169"><span class="linenos">169</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="transpile-170"><a href="#transpile-170"><span class="linenos">170</span></a><span class="sd"> Parses the given SQL string in accordance with the source dialect and returns a list of SQL strings transformed</span> +</span><span id="transpile-171"><a href="#transpile-171"><span class="linenos">171</span></a><span class="sd"> to conform to the target dialect. Each string in the returned list represents a single transformed SQL statement.</span> +</span><span id="transpile-172"><a href="#transpile-172"><span class="linenos">172</span></a> +</span><span id="transpile-173"><a href="#transpile-173"><span class="linenos">173</span></a><span class="sd"> Args:</span> +</span><span id="transpile-174"><a href="#transpile-174"><span class="linenos">174</span></a><span class="sd"> sql: the SQL code string to transpile.</span> +</span><span id="transpile-175"><a href="#transpile-175"><span class="linenos">175</span></a><span class="sd"> read: the source dialect used to parse the input string (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="transpile-176"><a href="#transpile-176"><span class="linenos">176</span></a><span class="sd"> write: the target dialect into which the input should be transformed (eg. "spark", "hive", "presto", "mysql").</span> +</span><span id="transpile-177"><a href="#transpile-177"><span class="linenos">177</span></a><span class="sd"> identity: if set to `True` and if the target dialect is not specified the source dialect will be used as both:</span> +</span><span id="transpile-178"><a href="#transpile-178"><span class="linenos">178</span></a><span class="sd"> the source and the target dialect.</span> +</span><span id="transpile-179"><a href="#transpile-179"><span class="linenos">179</span></a><span class="sd"> error_level: the desired error level of the parser.</span> +</span><span id="transpile-180"><a href="#transpile-180"><span class="linenos">180</span></a><span class="sd"> **opts: other `sqlglot.generator.Generator` options.</span> +</span><span id="transpile-181"><a href="#transpile-181"><span class="linenos">181</span></a> +</span><span id="transpile-182"><a href="#transpile-182"><span class="linenos">182</span></a><span class="sd"> Returns:</span> +</span><span id="transpile-183"><a href="#transpile-183"><span class="linenos">183</span></a><span class="sd"> The list of transpiled SQL statements.</span> +</span><span id="transpile-184"><a href="#transpile-184"><span class="linenos">184</span></a><span class="sd"> """</span> +</span><span id="transpile-185"><a href="#transpile-185"><span class="linenos">185</span></a> <span class="n">write</span> <span class="o">=</span> <span class="n">write</span> <span class="ow">or</span> <span class="n">read</span> <span class="k">if</span> <span class="n">identity</span> <span class="k">else</span> <span class="n">write</span> +</span><span id="transpile-186"><a href="#transpile-186"><span class="linenos">186</span></a> <span class="k">return</span> <span class="p">[</span> +</span><span id="transpile-187"><a href="#transpile-187"><span class="linenos">187</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">write</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 class="o">**</span><span class="n">opts</span><span class="p">)</span> +</span><span id="transpile-188"><a href="#transpile-188"><span class="linenos">188</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">parse</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">read</span><span class="p">,</span> <span class="n">error_level</span><span class="o">=</span><span class="n">error_level</span><span class="p">)</span> +</span><span id="transpile-189"><a href="#transpile-189"><span class="linenos">189</span></a> <span class="p">]</span> </span></pre></div> |