Merging upstream version 23.12.1.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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93 changed files with 55455 additions and 52777 deletions
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</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a> <span class="s2">"SORT"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_order_by</span><span class="p">(</span><span class="n">query</span><span class="p">),</span>
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</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="p">}</span>
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</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a>
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</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">def</span> <span class="nf">_parse_statement</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
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</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
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</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_query</span><span class="p">()</span>
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</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">return</span> <span class="n">expression</span>
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</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">def</span> <span class="nf">_parse_equality</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
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</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">eq</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_tokens</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_comparison</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">EQUALITY</span><span class="p">)</span>
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</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">)):</span>
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</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="k">return</span> <span class="n">eq</span>
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</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a>
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</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">def</span> <span class="nf">_parse_query</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
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</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_from</span><span class="p">()</span>
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</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a>
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</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">from_</span><span class="p">:</span>
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</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">return</span> <span class="kc">None</span>
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</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a>
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</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">from_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
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</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a>
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</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> <span class="k">while</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match_texts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">):</span>
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</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">upper</span><span class="p">()](</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
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</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a>
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</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">return</span> <span class="n">query</span>
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</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a>
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</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">def</span> <span class="nf">_parse_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">,</span> <span class="n">append</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">:</span>
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</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">):</span>
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</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">)</span>
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</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="c1"># https://prql-lang.org/book/reference/spec/null.html</span>
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</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">):</span>
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</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="n">is_exp</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
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</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> <span class="k">return</span> <span class="n">is_exp</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">is_exp</span><span class="p">)</span>
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</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">):</span>
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</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="n">is_exp</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
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</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="k">return</span> <span class="n">is_exp</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">is_exp</span><span class="p">)</span>
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</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="k">return</span> <span class="n">eq</span>
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</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a>
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</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">def</span> <span class="nf">_parse_statement</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
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</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
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</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_query</span><span class="p">()</span>
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</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">return</span> <span class="n">expression</span>
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</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a>
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</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="k">def</span> <span class="nf">_parse_query</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
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</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_from</span><span class="p">()</span>
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</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a>
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</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">query</span><span class="p">):</span>
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</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
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</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="k">else</span><span class="p">:</span>
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</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
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</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="p">]</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="p">[]</span>
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</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a>
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</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">{</span>
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</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="k">else</span> <span class="n">select</span>
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</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span>
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</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="p">}</span>
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</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a>
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</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span>
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</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">select</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
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</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="p">(</span><span class="n">projections</span><span class="p">[</span><span class="n">s</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">s</span><span class="p">)</span>
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</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span>
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</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="k">else</span> <span class="n">s</span><span class="p">,</span>
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</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
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</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="p">)</span>
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</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span>
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</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="p">]</span>
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</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a>
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</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">selects</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="n">append</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
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</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a>
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</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">def</span> <span class="nf">_parse_take</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
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</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">num</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_number</span><span class="p">()</span> <span class="c1"># TODO: TAKE for ranges a..b</span>
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</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="k">if</span> <span class="n">num</span> <span class="k">else</span> <span class="kc">None</span>
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</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a>
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</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">def</span> <span class="nf">_parse_ordered</span><span class="p">(</span>
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</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">parse_method</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">]:</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">asc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">PLUS</span><span class="p">)</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DASH</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">asc</span> <span class="ow">and</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="n">term</span> <span class="o">=</span> <span class="n">term</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">(</span><span class="n">parse_method</span><span class="o">=</span><span class="n">parse_method</span><span class="p">)</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="n">term</span> <span class="ow">and</span> <span class="n">desc</span><span class="p">:</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"nulls_first"</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">return</span> <span class="n">term</span>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">def</span> <span class="nf">_parse_order_by</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="n">l_brace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">)</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">)</span>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">l_brace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">):</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">def</span> <span class="nf">_parse_expression</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span><span class="o">.</span><span class="n">token_type</span> <span class="o">==</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">:</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_id_var</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">)</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">(),</span> <span class="n">alias</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">()</span>
|
||||
</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a>
|
||||
</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">from_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</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="k">while</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match_texts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">):</span>
|
||||
</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">upper</span><span class="p">()](</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
|
||||
</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a>
|
||||
</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">return</span> <span class="n">query</span>
|
||||
</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a>
|
||||
</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="k">def</span> <span class="nf">_parse_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">,</span> <span class="n">append</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">:</span>
|
||||
</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">):</span>
|
||||
</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">)</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 class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">query</span><span class="p">):</span>
|
||||
</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="p">]</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="p">[]</span>
|
||||
</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a>
|
||||
</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="k">else</span> <span class="n">select</span>
|
||||
</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span>
|
||||
</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="p">}</span>
|
||||
</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a>
|
||||
</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">select</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="p">(</span><span class="n">projections</span><span class="p">[</span><span class="n">s</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">s</span><span class="p">)</span>
|
||||
</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span>
|
||||
</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">else</span> <span class="n">s</span><span class="p">,</span>
|
||||
</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="p">)</span>
|
||||
</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span>
|
||||
</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="p">]</span>
|
||||
</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a>
|
||||
</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">selects</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="n">append</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a>
|
||||
</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">_parse_take</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="n">num</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_number</span><span class="p">()</span> <span class="c1"># TODO: TAKE for ranges a..b</span>
|
||||
</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="k">if</span> <span class="n">num</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a>
|
||||
</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">def</span> <span class="nf">_parse_ordered</span><span class="p">(</span>
|
||||
</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">parse_method</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">]:</span>
|
||||
</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="n">asc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">PLUS</span><span class="p">)</span>
|
||||
</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DASH</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">asc</span> <span class="ow">and</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="n">term</span> <span class="o">=</span> <span class="n">term</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">(</span><span class="n">parse_method</span><span class="o">=</span><span class="n">parse_method</span><span class="p">)</span>
|
||||
</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="n">term</span> <span class="ow">and</span> <span class="n">desc</span><span class="p">:</span>
|
||||
</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"nulls_first"</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">term</span>
|
||||
</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="bp">self</span><span class="p">,</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="n">alias_tokens</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_table_parts</span><span class="p">()</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">def</span> <span class="nf">_parse_from</span><span class="p">(</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">skip_from_token</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">]:</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">skip_from_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">FROM</span><span class="p">):</span>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">comments</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev_comments</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span><span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="p">)</span>
|
||||
</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">def</span> <span class="nf">_parse_order_by</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="n">l_brace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">)</span>
|
||||
</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">)</span>
|
||||
</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="n">l_brace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">):</span>
|
||||
</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a>
|
||||
</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="k">def</span> <span class="nf">_parse_expression</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span><span class="o">.</span><span class="n">token_type</span> <span class="o">==</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">:</span>
|
||||
</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_id_var</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">)</span>
|
||||
</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">(),</span> <span class="n">alias</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">()</span>
|
||||
</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a>
|
||||
</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span>
|
||||
</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="bp">self</span><span class="p">,</span>
|
||||
</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="n">alias_tokens</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
||||
</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> <span class="n">parse_partition</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_table_parts</span><span class="p">()</span>
|
||||
</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a>
|
||||
</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="k">def</span> <span class="nf">_parse_from</span><span class="p">(</span>
|
||||
</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">skip_from_token</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">]:</span>
|
||||
</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">skip_from_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">FROM</span><span class="p">):</span>
|
||||
</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a>
|
||||
</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span>
|
||||
</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">comments</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev_comments</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span><span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -367,99 +382,114 @@
|
|||
</span><span id="PRQL-56"><a href="#PRQL-56"><span class="linenos"> 56</span></a> <span class="s2">"SORT"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_order_by</span><span class="p">(</span><span class="n">query</span><span class="p">),</span>
|
||||
</span><span id="PRQL-57"><a href="#PRQL-57"><span class="linenos"> 57</span></a> <span class="p">}</span>
|
||||
</span><span id="PRQL-58"><a href="#PRQL-58"><span class="linenos"> 58</span></a>
|
||||
</span><span id="PRQL-59"><a href="#PRQL-59"><span class="linenos"> 59</span></a> <span class="k">def</span> <span class="nf">_parse_statement</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-60"><a href="#PRQL-60"><span class="linenos"> 60</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL-61"><a href="#PRQL-61"><span class="linenos"> 61</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_query</span><span class="p">()</span>
|
||||
</span><span id="PRQL-62"><a href="#PRQL-62"><span class="linenos"> 62</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="PRQL-59"><a href="#PRQL-59"><span class="linenos"> 59</span></a> <span class="k">def</span> <span class="nf">_parse_equality</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-60"><a href="#PRQL-60"><span class="linenos"> 60</span></a> <span class="n">eq</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_tokens</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_comparison</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">EQUALITY</span><span class="p">)</span>
|
||||
</span><span id="PRQL-61"><a href="#PRQL-61"><span class="linenos"> 61</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">)):</span>
|
||||
</span><span id="PRQL-62"><a href="#PRQL-62"><span class="linenos"> 62</span></a> <span class="k">return</span> <span class="n">eq</span>
|
||||
</span><span id="PRQL-63"><a href="#PRQL-63"><span class="linenos"> 63</span></a>
|
||||
</span><span id="PRQL-64"><a href="#PRQL-64"><span class="linenos"> 64</span></a> <span class="k">def</span> <span class="nf">_parse_query</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-65"><a href="#PRQL-65"><span class="linenos"> 65</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_from</span><span class="p">()</span>
|
||||
</span><span id="PRQL-66"><a href="#PRQL-66"><span class="linenos"> 66</span></a>
|
||||
</span><span id="PRQL-67"><a href="#PRQL-67"><span class="linenos"> 67</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="PRQL-68"><a href="#PRQL-68"><span class="linenos"> 68</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-69"><a href="#PRQL-69"><span class="linenos"> 69</span></a>
|
||||
</span><span id="PRQL-70"><a href="#PRQL-70"><span class="linenos"> 70</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">from_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-71"><a href="#PRQL-71"><span class="linenos"> 71</span></a>
|
||||
</span><span id="PRQL-72"><a href="#PRQL-72"><span class="linenos"> 72</span></a> <span class="k">while</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match_texts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">):</span>
|
||||
</span><span id="PRQL-73"><a href="#PRQL-73"><span class="linenos"> 73</span></a> <span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">upper</span><span class="p">()](</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
|
||||
</span><span id="PRQL-74"><a href="#PRQL-74"><span class="linenos"> 74</span></a>
|
||||
</span><span id="PRQL-75"><a href="#PRQL-75"><span class="linenos"> 75</span></a> <span class="k">return</span> <span class="n">query</span>
|
||||
</span><span id="PRQL-76"><a href="#PRQL-76"><span class="linenos"> 76</span></a>
|
||||
</span><span id="PRQL-77"><a href="#PRQL-77"><span class="linenos"> 77</span></a> <span class="k">def</span> <span class="nf">_parse_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">,</span> <span class="n">append</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">:</span>
|
||||
</span><span id="PRQL-78"><a href="#PRQL-78"><span class="linenos"> 78</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL-79"><a href="#PRQL-79"><span class="linenos"> 79</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">)</span>
|
||||
</span><span id="PRQL-64"><a href="#PRQL-64"><span class="linenos"> 64</span></a> <span class="c1"># https://prql-lang.org/book/reference/spec/null.html</span>
|
||||
</span><span id="PRQL-65"><a href="#PRQL-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">):</span>
|
||||
</span><span id="PRQL-66"><a href="#PRQL-66"><span class="linenos"> 66</span></a> <span class="n">is_exp</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="PRQL-67"><a href="#PRQL-67"><span class="linenos"> 67</span></a> <span class="k">return</span> <span class="n">is_exp</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">is_exp</span><span class="p">)</span>
|
||||
</span><span id="PRQL-68"><a href="#PRQL-68"><span class="linenos"> 68</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">):</span>
|
||||
</span><span id="PRQL-69"><a href="#PRQL-69"><span class="linenos"> 69</span></a> <span class="n">is_exp</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="PRQL-70"><a href="#PRQL-70"><span class="linenos"> 70</span></a> <span class="k">return</span> <span class="n">is_exp</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">is_exp</span><span class="p">)</span>
|
||||
</span><span id="PRQL-71"><a href="#PRQL-71"><span class="linenos"> 71</span></a> <span class="k">return</span> <span class="n">eq</span>
|
||||
</span><span id="PRQL-72"><a href="#PRQL-72"><span class="linenos"> 72</span></a>
|
||||
</span><span id="PRQL-73"><a href="#PRQL-73"><span class="linenos"> 73</span></a> <span class="k">def</span> <span class="nf">_parse_statement</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-74"><a href="#PRQL-74"><span class="linenos"> 74</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL-75"><a href="#PRQL-75"><span class="linenos"> 75</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_query</span><span class="p">()</span>
|
||||
</span><span id="PRQL-76"><a href="#PRQL-76"><span class="linenos"> 76</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="PRQL-77"><a href="#PRQL-77"><span class="linenos"> 77</span></a>
|
||||
</span><span id="PRQL-78"><a href="#PRQL-78"><span class="linenos"> 78</span></a> <span class="k">def</span> <span class="nf">_parse_query</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-79"><a href="#PRQL-79"><span class="linenos"> 79</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_from</span><span class="p">()</span>
|
||||
</span><span id="PRQL-80"><a href="#PRQL-80"><span class="linenos"> 80</span></a>
|
||||
</span><span id="PRQL-81"><a href="#PRQL-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">query</span><span class="p">):</span>
|
||||
</span><span id="PRQL-82"><a href="#PRQL-82"><span class="linenos"> 82</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL-83"><a href="#PRQL-83"><span class="linenos"> 83</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="PRQL-84"><a href="#PRQL-84"><span class="linenos"> 84</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL-85"><a href="#PRQL-85"><span class="linenos"> 85</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="p">]</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="p">[]</span>
|
||||
</span><span id="PRQL-86"><a href="#PRQL-86"><span class="linenos"> 86</span></a>
|
||||
</span><span id="PRQL-87"><a href="#PRQL-87"><span class="linenos"> 87</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="PRQL-88"><a href="#PRQL-88"><span class="linenos"> 88</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="k">else</span> <span class="n">select</span>
|
||||
</span><span id="PRQL-89"><a href="#PRQL-89"><span class="linenos"> 89</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span>
|
||||
</span><span id="PRQL-90"><a href="#PRQL-90"><span class="linenos"> 90</span></a> <span class="p">}</span>
|
||||
</span><span id="PRQL-91"><a href="#PRQL-91"><span class="linenos"> 91</span></a>
|
||||
</span><span id="PRQL-92"><a href="#PRQL-92"><span class="linenos"> 92</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="PRQL-93"><a href="#PRQL-93"><span class="linenos"> 93</span></a> <span class="n">select</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="PRQL-94"><a href="#PRQL-94"><span class="linenos"> 94</span></a> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="p">(</span><span class="n">projections</span><span class="p">[</span><span class="n">s</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">s</span><span class="p">)</span>
|
||||
</span><span id="PRQL-95"><a href="#PRQL-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span>
|
||||
</span><span id="PRQL-96"><a href="#PRQL-96"><span class="linenos"> 96</span></a> <span class="k">else</span> <span class="n">s</span><span class="p">,</span>
|
||||
</span><span id="PRQL-97"><a href="#PRQL-97"><span class="linenos"> 97</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-98"><a href="#PRQL-98"><span class="linenos"> 98</span></a> <span class="p">)</span>
|
||||
</span><span id="PRQL-99"><a href="#PRQL-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span>
|
||||
</span><span id="PRQL-100"><a href="#PRQL-100"><span class="linenos">100</span></a> <span class="p">]</span>
|
||||
</span><span id="PRQL-101"><a href="#PRQL-101"><span class="linenos">101</span></a>
|
||||
</span><span id="PRQL-102"><a href="#PRQL-102"><span class="linenos">102</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">selects</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="n">append</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-103"><a href="#PRQL-103"><span class="linenos">103</span></a>
|
||||
</span><span id="PRQL-104"><a href="#PRQL-104"><span class="linenos">104</span></a> <span class="k">def</span> <span class="nf">_parse_take</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-105"><a href="#PRQL-105"><span class="linenos">105</span></a> <span class="n">num</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_number</span><span class="p">()</span> <span class="c1"># TODO: TAKE for ranges a..b</span>
|
||||
</span><span id="PRQL-106"><a href="#PRQL-106"><span class="linenos">106</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="k">if</span> <span class="n">num</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-107"><a href="#PRQL-107"><span class="linenos">107</span></a>
|
||||
</span><span id="PRQL-108"><a href="#PRQL-108"><span class="linenos">108</span></a> <span class="k">def</span> <span class="nf">_parse_ordered</span><span class="p">(</span>
|
||||
</span><span id="PRQL-109"><a href="#PRQL-109"><span class="linenos">109</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">parse_method</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-110"><a href="#PRQL-110"><span class="linenos">110</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-111"><a href="#PRQL-111"><span class="linenos">111</span></a> <span class="n">asc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">PLUS</span><span class="p">)</span>
|
||||
</span><span id="PRQL-112"><a href="#PRQL-112"><span class="linenos">112</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DASH</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">asc</span> <span class="ow">and</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-113"><a href="#PRQL-113"><span class="linenos">113</span></a> <span class="n">term</span> <span class="o">=</span> <span class="n">term</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">(</span><span class="n">parse_method</span><span class="o">=</span><span class="n">parse_method</span><span class="p">)</span>
|
||||
</span><span id="PRQL-114"><a href="#PRQL-114"><span class="linenos">114</span></a> <span class="k">if</span> <span class="n">term</span> <span class="ow">and</span> <span class="n">desc</span><span class="p">:</span>
|
||||
</span><span id="PRQL-115"><a href="#PRQL-115"><span class="linenos">115</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL-116"><a href="#PRQL-116"><span class="linenos">116</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"nulls_first"</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-117"><a href="#PRQL-117"><span class="linenos">117</span></a> <span class="k">return</span> <span class="n">term</span>
|
||||
</span><span id="PRQL-118"><a href="#PRQL-118"><span class="linenos">118</span></a>
|
||||
</span><span id="PRQL-119"><a href="#PRQL-119"><span class="linenos">119</span></a> <span class="k">def</span> <span class="nf">_parse_order_by</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-120"><a href="#PRQL-120"><span class="linenos">120</span></a> <span class="n">l_brace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">)</span>
|
||||
</span><span id="PRQL-121"><a href="#PRQL-121"><span class="linenos">121</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">)</span>
|
||||
</span><span id="PRQL-122"><a href="#PRQL-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">l_brace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL-123"><a href="#PRQL-123"><span class="linenos">123</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL-124"><a href="#PRQL-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-125"><a href="#PRQL-125"><span class="linenos">125</span></a>
|
||||
</span><span id="PRQL-126"><a href="#PRQL-126"><span class="linenos">126</span></a> <span class="k">def</span> <span class="nf">_parse_expression</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-127"><a href="#PRQL-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span><span class="o">.</span><span class="n">token_type</span> <span class="o">==</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">:</span>
|
||||
</span><span id="PRQL-128"><a href="#PRQL-128"><span class="linenos">128</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_id_var</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL-129"><a href="#PRQL-129"><span class="linenos">129</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">)</span>
|
||||
</span><span id="PRQL-130"><a href="#PRQL-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">(),</span> <span class="n">alias</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="PRQL-131"><a href="#PRQL-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">()</span>
|
||||
</span><span id="PRQL-81"><a href="#PRQL-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="PRQL-82"><a href="#PRQL-82"><span class="linenos"> 82</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-83"><a href="#PRQL-83"><span class="linenos"> 83</span></a>
|
||||
</span><span id="PRQL-84"><a href="#PRQL-84"><span class="linenos"> 84</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">from_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-85"><a href="#PRQL-85"><span class="linenos"> 85</span></a>
|
||||
</span><span id="PRQL-86"><a href="#PRQL-86"><span class="linenos"> 86</span></a> <span class="k">while</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match_texts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">):</span>
|
||||
</span><span id="PRQL-87"><a href="#PRQL-87"><span class="linenos"> 87</span></a> <span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">upper</span><span class="p">()](</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
|
||||
</span><span id="PRQL-88"><a href="#PRQL-88"><span class="linenos"> 88</span></a>
|
||||
</span><span id="PRQL-89"><a href="#PRQL-89"><span class="linenos"> 89</span></a> <span class="k">return</span> <span class="n">query</span>
|
||||
</span><span id="PRQL-90"><a href="#PRQL-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="PRQL-91"><a href="#PRQL-91"><span class="linenos"> 91</span></a> <span class="k">def</span> <span class="nf">_parse_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">,</span> <span class="n">append</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">:</span>
|
||||
</span><span id="PRQL-92"><a href="#PRQL-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL-93"><a href="#PRQL-93"><span class="linenos"> 93</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">)</span>
|
||||
</span><span id="PRQL-94"><a href="#PRQL-94"><span class="linenos"> 94</span></a>
|
||||
</span><span id="PRQL-95"><a href="#PRQL-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">query</span><span class="p">):</span>
|
||||
</span><span id="PRQL-96"><a href="#PRQL-96"><span class="linenos"> 96</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL-97"><a href="#PRQL-97"><span class="linenos"> 97</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="PRQL-98"><a href="#PRQL-98"><span class="linenos"> 98</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL-99"><a href="#PRQL-99"><span class="linenos"> 99</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="p">]</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="p">[]</span>
|
||||
</span><span id="PRQL-100"><a href="#PRQL-100"><span class="linenos">100</span></a>
|
||||
</span><span id="PRQL-101"><a href="#PRQL-101"><span class="linenos">101</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="PRQL-102"><a href="#PRQL-102"><span class="linenos">102</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="k">else</span> <span class="n">select</span>
|
||||
</span><span id="PRQL-103"><a href="#PRQL-103"><span class="linenos">103</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span>
|
||||
</span><span id="PRQL-104"><a href="#PRQL-104"><span class="linenos">104</span></a> <span class="p">}</span>
|
||||
</span><span id="PRQL-105"><a href="#PRQL-105"><span class="linenos">105</span></a>
|
||||
</span><span id="PRQL-106"><a href="#PRQL-106"><span class="linenos">106</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="PRQL-107"><a href="#PRQL-107"><span class="linenos">107</span></a> <span class="n">select</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="PRQL-108"><a href="#PRQL-108"><span class="linenos">108</span></a> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="p">(</span><span class="n">projections</span><span class="p">[</span><span class="n">s</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">s</span><span class="p">)</span>
|
||||
</span><span id="PRQL-109"><a href="#PRQL-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span>
|
||||
</span><span id="PRQL-110"><a href="#PRQL-110"><span class="linenos">110</span></a> <span class="k">else</span> <span class="n">s</span><span class="p">,</span>
|
||||
</span><span id="PRQL-111"><a href="#PRQL-111"><span class="linenos">111</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-112"><a href="#PRQL-112"><span class="linenos">112</span></a> <span class="p">)</span>
|
||||
</span><span id="PRQL-113"><a href="#PRQL-113"><span class="linenos">113</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span>
|
||||
</span><span id="PRQL-114"><a href="#PRQL-114"><span class="linenos">114</span></a> <span class="p">]</span>
|
||||
</span><span id="PRQL-115"><a href="#PRQL-115"><span class="linenos">115</span></a>
|
||||
</span><span id="PRQL-116"><a href="#PRQL-116"><span class="linenos">116</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">selects</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="n">append</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-117"><a href="#PRQL-117"><span class="linenos">117</span></a>
|
||||
</span><span id="PRQL-118"><a href="#PRQL-118"><span class="linenos">118</span></a> <span class="k">def</span> <span class="nf">_parse_take</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-119"><a href="#PRQL-119"><span class="linenos">119</span></a> <span class="n">num</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_number</span><span class="p">()</span> <span class="c1"># TODO: TAKE for ranges a..b</span>
|
||||
</span><span id="PRQL-120"><a href="#PRQL-120"><span class="linenos">120</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="k">if</span> <span class="n">num</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-121"><a href="#PRQL-121"><span class="linenos">121</span></a>
|
||||
</span><span id="PRQL-122"><a href="#PRQL-122"><span class="linenos">122</span></a> <span class="k">def</span> <span class="nf">_parse_ordered</span><span class="p">(</span>
|
||||
</span><span id="PRQL-123"><a href="#PRQL-123"><span class="linenos">123</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">parse_method</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-124"><a href="#PRQL-124"><span class="linenos">124</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-125"><a href="#PRQL-125"><span class="linenos">125</span></a> <span class="n">asc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">PLUS</span><span class="p">)</span>
|
||||
</span><span id="PRQL-126"><a href="#PRQL-126"><span class="linenos">126</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DASH</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">asc</span> <span class="ow">and</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-127"><a href="#PRQL-127"><span class="linenos">127</span></a> <span class="n">term</span> <span class="o">=</span> <span class="n">term</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">(</span><span class="n">parse_method</span><span class="o">=</span><span class="n">parse_method</span><span class="p">)</span>
|
||||
</span><span id="PRQL-128"><a href="#PRQL-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="n">term</span> <span class="ow">and</span> <span class="n">desc</span><span class="p">:</span>
|
||||
</span><span id="PRQL-129"><a href="#PRQL-129"><span class="linenos">129</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL-130"><a href="#PRQL-130"><span class="linenos">130</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"nulls_first"</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-131"><a href="#PRQL-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">term</span>
|
||||
</span><span id="PRQL-132"><a href="#PRQL-132"><span class="linenos">132</span></a>
|
||||
</span><span id="PRQL-133"><a href="#PRQL-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span>
|
||||
</span><span id="PRQL-134"><a href="#PRQL-134"><span class="linenos">134</span></a> <span class="bp">self</span><span class="p">,</span>
|
||||
</span><span id="PRQL-135"><a href="#PRQL-135"><span class="linenos">135</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-136"><a href="#PRQL-136"><span class="linenos">136</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-137"><a href="#PRQL-137"><span class="linenos">137</span></a> <span class="n">alias_tokens</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
||||
</span><span id="PRQL-138"><a href="#PRQL-138"><span class="linenos">138</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-139"><a href="#PRQL-139"><span class="linenos">139</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-140"><a href="#PRQL-140"><span class="linenos">140</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-141"><a href="#PRQL-141"><span class="linenos">141</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_table_parts</span><span class="p">()</span>
|
||||
</span><span id="PRQL-142"><a href="#PRQL-142"><span class="linenos">142</span></a>
|
||||
</span><span id="PRQL-143"><a href="#PRQL-143"><span class="linenos">143</span></a> <span class="k">def</span> <span class="nf">_parse_from</span><span class="p">(</span>
|
||||
</span><span id="PRQL-144"><a href="#PRQL-144"><span class="linenos">144</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">skip_from_token</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="PRQL-145"><a href="#PRQL-145"><span class="linenos">145</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-146"><a href="#PRQL-146"><span class="linenos">146</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">skip_from_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">FROM</span><span class="p">):</span>
|
||||
</span><span id="PRQL-147"><a href="#PRQL-147"><span class="linenos">147</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-148"><a href="#PRQL-148"><span class="linenos">148</span></a>
|
||||
</span><span id="PRQL-149"><a href="#PRQL-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span>
|
||||
</span><span id="PRQL-150"><a href="#PRQL-150"><span class="linenos">150</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">comments</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev_comments</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span><span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="PRQL-151"><a href="#PRQL-151"><span class="linenos">151</span></a> <span class="p">)</span>
|
||||
</span><span id="PRQL-133"><a href="#PRQL-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">_parse_order_by</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-134"><a href="#PRQL-134"><span class="linenos">134</span></a> <span class="n">l_brace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">)</span>
|
||||
</span><span id="PRQL-135"><a href="#PRQL-135"><span class="linenos">135</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">)</span>
|
||||
</span><span id="PRQL-136"><a href="#PRQL-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">l_brace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL-137"><a href="#PRQL-137"><span class="linenos">137</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL-138"><a href="#PRQL-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL-139"><a href="#PRQL-139"><span class="linenos">139</span></a>
|
||||
</span><span id="PRQL-140"><a href="#PRQL-140"><span class="linenos">140</span></a> <span class="k">def</span> <span class="nf">_parse_expression</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-141"><a href="#PRQL-141"><span class="linenos">141</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span><span class="o">.</span><span class="n">token_type</span> <span class="o">==</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">:</span>
|
||||
</span><span id="PRQL-142"><a href="#PRQL-142"><span class="linenos">142</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_id_var</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL-143"><a href="#PRQL-143"><span class="linenos">143</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">)</span>
|
||||
</span><span id="PRQL-144"><a href="#PRQL-144"><span class="linenos">144</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">(),</span> <span class="n">alias</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="PRQL-145"><a href="#PRQL-145"><span class="linenos">145</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">()</span>
|
||||
</span><span id="PRQL-146"><a href="#PRQL-146"><span class="linenos">146</span></a>
|
||||
</span><span id="PRQL-147"><a href="#PRQL-147"><span class="linenos">147</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span>
|
||||
</span><span id="PRQL-148"><a href="#PRQL-148"><span class="linenos">148</span></a> <span class="bp">self</span><span class="p">,</span>
|
||||
</span><span id="PRQL-149"><a href="#PRQL-149"><span class="linenos">149</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-150"><a href="#PRQL-150"><span class="linenos">150</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-151"><a href="#PRQL-151"><span class="linenos">151</span></a> <span class="n">alias_tokens</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
||||
</span><span id="PRQL-152"><a href="#PRQL-152"><span class="linenos">152</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-153"><a href="#PRQL-153"><span class="linenos">153</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-154"><a href="#PRQL-154"><span class="linenos">154</span></a> <span class="n">parse_partition</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL-155"><a href="#PRQL-155"><span class="linenos">155</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-156"><a href="#PRQL-156"><span class="linenos">156</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_table_parts</span><span class="p">()</span>
|
||||
</span><span id="PRQL-157"><a href="#PRQL-157"><span class="linenos">157</span></a>
|
||||
</span><span id="PRQL-158"><a href="#PRQL-158"><span class="linenos">158</span></a> <span class="k">def</span> <span class="nf">_parse_from</span><span class="p">(</span>
|
||||
</span><span id="PRQL-159"><a href="#PRQL-159"><span class="linenos">159</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">skip_from_token</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="PRQL-160"><a href="#PRQL-160"><span class="linenos">160</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">]:</span>
|
||||
</span><span id="PRQL-161"><a href="#PRQL-161"><span class="linenos">161</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">skip_from_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">FROM</span><span class="p">):</span>
|
||||
</span><span id="PRQL-162"><a href="#PRQL-162"><span class="linenos">162</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL-163"><a href="#PRQL-163"><span class="linenos">163</span></a>
|
||||
</span><span id="PRQL-164"><a href="#PRQL-164"><span class="linenos">164</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span>
|
||||
</span><span id="PRQL-165"><a href="#PRQL-165"><span class="linenos">165</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">comments</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev_comments</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span><span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="PRQL-166"><a href="#PRQL-166"><span class="linenos">166</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -918,99 +948,114 @@
|
|||
</span><span id="PRQL.Parser-56"><a href="#PRQL.Parser-56"><span class="linenos"> 56</span></a> <span class="s2">"SORT"</span><span class="p">:</span> <span class="k">lambda</span> <span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_order_by</span><span class="p">(</span><span class="n">query</span><span class="p">),</span>
|
||||
</span><span id="PRQL.Parser-57"><a href="#PRQL.Parser-57"><span class="linenos"> 57</span></a> <span class="p">}</span>
|
||||
</span><span id="PRQL.Parser-58"><a href="#PRQL.Parser-58"><span class="linenos"> 58</span></a>
|
||||
</span><span id="PRQL.Parser-59"><a href="#PRQL.Parser-59"><span class="linenos"> 59</span></a> <span class="k">def</span> <span class="nf">_parse_statement</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-60"><a href="#PRQL.Parser-60"><span class="linenos"> 60</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-61"><a href="#PRQL.Parser-61"><span class="linenos"> 61</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_query</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-62"><a href="#PRQL.Parser-62"><span class="linenos"> 62</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="PRQL.Parser-59"><a href="#PRQL.Parser-59"><span class="linenos"> 59</span></a> <span class="k">def</span> <span class="nf">_parse_equality</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-60"><a href="#PRQL.Parser-60"><span class="linenos"> 60</span></a> <span class="n">eq</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_tokens</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_comparison</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">EQUALITY</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-61"><a href="#PRQL.Parser-61"><span class="linenos"> 61</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">)):</span>
|
||||
</span><span id="PRQL.Parser-62"><a href="#PRQL.Parser-62"><span class="linenos"> 62</span></a> <span class="k">return</span> <span class="n">eq</span>
|
||||
</span><span id="PRQL.Parser-63"><a href="#PRQL.Parser-63"><span class="linenos"> 63</span></a>
|
||||
</span><span id="PRQL.Parser-64"><a href="#PRQL.Parser-64"><span class="linenos"> 64</span></a> <span class="k">def</span> <span class="nf">_parse_query</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-65"><a href="#PRQL.Parser-65"><span class="linenos"> 65</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_from</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-66"><a href="#PRQL.Parser-66"><span class="linenos"> 66</span></a>
|
||||
</span><span id="PRQL.Parser-67"><a href="#PRQL.Parser-67"><span class="linenos"> 67</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-68"><a href="#PRQL.Parser-68"><span class="linenos"> 68</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-69"><a href="#PRQL.Parser-69"><span class="linenos"> 69</span></a>
|
||||
</span><span id="PRQL.Parser-70"><a href="#PRQL.Parser-70"><span class="linenos"> 70</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">from_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-71"><a href="#PRQL.Parser-71"><span class="linenos"> 71</span></a>
|
||||
</span><span id="PRQL.Parser-72"><a href="#PRQL.Parser-72"><span class="linenos"> 72</span></a> <span class="k">while</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match_texts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-73"><a href="#PRQL.Parser-73"><span class="linenos"> 73</span></a> <span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">upper</span><span class="p">()](</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-74"><a href="#PRQL.Parser-74"><span class="linenos"> 74</span></a>
|
||||
</span><span id="PRQL.Parser-75"><a href="#PRQL.Parser-75"><span class="linenos"> 75</span></a> <span class="k">return</span> <span class="n">query</span>
|
||||
</span><span id="PRQL.Parser-76"><a href="#PRQL.Parser-76"><span class="linenos"> 76</span></a>
|
||||
</span><span id="PRQL.Parser-77"><a href="#PRQL.Parser-77"><span class="linenos"> 77</span></a> <span class="k">def</span> <span class="nf">_parse_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">,</span> <span class="n">append</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-78"><a href="#PRQL.Parser-78"><span class="linenos"> 78</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-79"><a href="#PRQL.Parser-79"><span class="linenos"> 79</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-64"><a href="#PRQL.Parser-64"><span class="linenos"> 64</span></a> <span class="c1"># https://prql-lang.org/book/reference/spec/null.html</span>
|
||||
</span><span id="PRQL.Parser-65"><a href="#PRQL.Parser-65"><span class="linenos"> 65</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-66"><a href="#PRQL.Parser-66"><span class="linenos"> 66</span></a> <span class="n">is_exp</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-67"><a href="#PRQL.Parser-67"><span class="linenos"> 67</span></a> <span class="k">return</span> <span class="n">is_exp</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">is_exp</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-68"><a href="#PRQL.Parser-68"><span class="linenos"> 68</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-69"><a href="#PRQL.Parser-69"><span class="linenos"> 69</span></a> <span class="n">is_exp</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">eq</span><span class="o">.</span><span class="n">this</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-70"><a href="#PRQL.Parser-70"><span class="linenos"> 70</span></a> <span class="k">return</span> <span class="n">is_exp</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">eq</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">is_exp</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-71"><a href="#PRQL.Parser-71"><span class="linenos"> 71</span></a> <span class="k">return</span> <span class="n">eq</span>
|
||||
</span><span id="PRQL.Parser-72"><a href="#PRQL.Parser-72"><span class="linenos"> 72</span></a>
|
||||
</span><span id="PRQL.Parser-73"><a href="#PRQL.Parser-73"><span class="linenos"> 73</span></a> <span class="k">def</span> <span class="nf">_parse_statement</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-74"><a href="#PRQL.Parser-74"><span class="linenos"> 74</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-75"><a href="#PRQL.Parser-75"><span class="linenos"> 75</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">expression</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_query</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-76"><a href="#PRQL.Parser-76"><span class="linenos"> 76</span></a> <span class="k">return</span> <span class="n">expression</span>
|
||||
</span><span id="PRQL.Parser-77"><a href="#PRQL.Parser-77"><span class="linenos"> 77</span></a>
|
||||
</span><span id="PRQL.Parser-78"><a href="#PRQL.Parser-78"><span class="linenos"> 78</span></a> <span class="k">def</span> <span class="nf">_parse_query</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-79"><a href="#PRQL.Parser-79"><span class="linenos"> 79</span></a> <span class="n">from_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_from</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-80"><a href="#PRQL.Parser-80"><span class="linenos"> 80</span></a>
|
||||
</span><span id="PRQL.Parser-81"><a href="#PRQL.Parser-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">query</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-82"><a href="#PRQL.Parser-82"><span class="linenos"> 82</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-83"><a href="#PRQL.Parser-83"><span class="linenos"> 83</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-84"><a href="#PRQL.Parser-84"><span class="linenos"> 84</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-85"><a href="#PRQL.Parser-85"><span class="linenos"> 85</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="p">]</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="p">[]</span>
|
||||
</span><span id="PRQL.Parser-86"><a href="#PRQL.Parser-86"><span class="linenos"> 86</span></a>
|
||||
</span><span id="PRQL.Parser-87"><a href="#PRQL.Parser-87"><span class="linenos"> 87</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="PRQL.Parser-88"><a href="#PRQL.Parser-88"><span class="linenos"> 88</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="k">else</span> <span class="n">select</span>
|
||||
</span><span id="PRQL.Parser-89"><a href="#PRQL.Parser-89"><span class="linenos"> 89</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span>
|
||||
</span><span id="PRQL.Parser-90"><a href="#PRQL.Parser-90"><span class="linenos"> 90</span></a> <span class="p">}</span>
|
||||
</span><span id="PRQL.Parser-91"><a href="#PRQL.Parser-91"><span class="linenos"> 91</span></a>
|
||||
</span><span id="PRQL.Parser-92"><a href="#PRQL.Parser-92"><span class="linenos"> 92</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="PRQL.Parser-93"><a href="#PRQL.Parser-93"><span class="linenos"> 93</span></a> <span class="n">select</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-94"><a href="#PRQL.Parser-94"><span class="linenos"> 94</span></a> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="p">(</span><span class="n">projections</span><span class="p">[</span><span class="n">s</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">s</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-95"><a href="#PRQL.Parser-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-96"><a href="#PRQL.Parser-96"><span class="linenos"> 96</span></a> <span class="k">else</span> <span class="n">s</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-97"><a href="#PRQL.Parser-97"><span class="linenos"> 97</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-98"><a href="#PRQL.Parser-98"><span class="linenos"> 98</span></a> <span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-99"><a href="#PRQL.Parser-99"><span class="linenos"> 99</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span>
|
||||
</span><span id="PRQL.Parser-100"><a href="#PRQL.Parser-100"><span class="linenos">100</span></a> <span class="p">]</span>
|
||||
</span><span id="PRQL.Parser-101"><a href="#PRQL.Parser-101"><span class="linenos">101</span></a>
|
||||
</span><span id="PRQL.Parser-102"><a href="#PRQL.Parser-102"><span class="linenos">102</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">selects</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="n">append</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-103"><a href="#PRQL.Parser-103"><span class="linenos">103</span></a>
|
||||
</span><span id="PRQL.Parser-104"><a href="#PRQL.Parser-104"><span class="linenos">104</span></a> <span class="k">def</span> <span class="nf">_parse_take</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-105"><a href="#PRQL.Parser-105"><span class="linenos">105</span></a> <span class="n">num</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_number</span><span class="p">()</span> <span class="c1"># TODO: TAKE for ranges a..b</span>
|
||||
</span><span id="PRQL.Parser-106"><a href="#PRQL.Parser-106"><span class="linenos">106</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="k">if</span> <span class="n">num</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-107"><a href="#PRQL.Parser-107"><span class="linenos">107</span></a>
|
||||
</span><span id="PRQL.Parser-108"><a href="#PRQL.Parser-108"><span class="linenos">108</span></a> <span class="k">def</span> <span class="nf">_parse_ordered</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-109"><a href="#PRQL.Parser-109"><span class="linenos">109</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">parse_method</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-110"><a href="#PRQL.Parser-110"><span class="linenos">110</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-111"><a href="#PRQL.Parser-111"><span class="linenos">111</span></a> <span class="n">asc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">PLUS</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-112"><a href="#PRQL.Parser-112"><span class="linenos">112</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DASH</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">asc</span> <span class="ow">and</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-113"><a href="#PRQL.Parser-113"><span class="linenos">113</span></a> <span class="n">term</span> <span class="o">=</span> <span class="n">term</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">(</span><span class="n">parse_method</span><span class="o">=</span><span class="n">parse_method</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-114"><a href="#PRQL.Parser-114"><span class="linenos">114</span></a> <span class="k">if</span> <span class="n">term</span> <span class="ow">and</span> <span class="n">desc</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-115"><a href="#PRQL.Parser-115"><span class="linenos">115</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-116"><a href="#PRQL.Parser-116"><span class="linenos">116</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"nulls_first"</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-117"><a href="#PRQL.Parser-117"><span class="linenos">117</span></a> <span class="k">return</span> <span class="n">term</span>
|
||||
</span><span id="PRQL.Parser-118"><a href="#PRQL.Parser-118"><span class="linenos">118</span></a>
|
||||
</span><span id="PRQL.Parser-119"><a href="#PRQL.Parser-119"><span class="linenos">119</span></a> <span class="k">def</span> <span class="nf">_parse_order_by</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-120"><a href="#PRQL.Parser-120"><span class="linenos">120</span></a> <span class="n">l_brace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-121"><a href="#PRQL.Parser-121"><span class="linenos">121</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-122"><a href="#PRQL.Parser-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">l_brace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-123"><a href="#PRQL.Parser-123"><span class="linenos">123</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-124"><a href="#PRQL.Parser-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-125"><a href="#PRQL.Parser-125"><span class="linenos">125</span></a>
|
||||
</span><span id="PRQL.Parser-126"><a href="#PRQL.Parser-126"><span class="linenos">126</span></a> <span class="k">def</span> <span class="nf">_parse_expression</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-127"><a href="#PRQL.Parser-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span><span class="o">.</span><span class="n">token_type</span> <span class="o">==</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-128"><a href="#PRQL.Parser-128"><span class="linenos">128</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_id_var</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-129"><a href="#PRQL.Parser-129"><span class="linenos">129</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-130"><a href="#PRQL.Parser-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">(),</span> <span class="n">alias</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-131"><a href="#PRQL.Parser-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-81"><a href="#PRQL.Parser-81"><span class="linenos"> 81</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">from_</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-82"><a href="#PRQL.Parser-82"><span class="linenos"> 82</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-83"><a href="#PRQL.Parser-83"><span class="linenos"> 83</span></a>
|
||||
</span><span id="PRQL.Parser-84"><a href="#PRQL.Parser-84"><span class="linenos"> 84</span></a> <span class="n">query</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="s2">"*"</span><span class="p">)</span><span class="o">.</span><span class="n">from_</span><span class="p">(</span><span class="n">from_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-85"><a href="#PRQL.Parser-85"><span class="linenos"> 85</span></a>
|
||||
</span><span id="PRQL.Parser-86"><a href="#PRQL.Parser-86"><span class="linenos"> 86</span></a> <span class="k">while</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match_texts</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-87"><a href="#PRQL.Parser-87"><span class="linenos"> 87</span></a> <span class="n">query</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">TRANSFORM_PARSERS</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev</span><span class="o">.</span><span class="n">text</span><span class="o">.</span><span class="n">upper</span><span class="p">()](</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-88"><a href="#PRQL.Parser-88"><span class="linenos"> 88</span></a>
|
||||
</span><span id="PRQL.Parser-89"><a href="#PRQL.Parser-89"><span class="linenos"> 89</span></a> <span class="k">return</span> <span class="n">query</span>
|
||||
</span><span id="PRQL.Parser-90"><a href="#PRQL.Parser-90"><span class="linenos"> 90</span></a>
|
||||
</span><span id="PRQL.Parser-91"><a href="#PRQL.Parser-91"><span class="linenos"> 91</span></a> <span class="k">def</span> <span class="nf">_parse_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">,</span> <span class="n">append</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-92"><a href="#PRQL.Parser-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-93"><a href="#PRQL.Parser-93"><span class="linenos"> 93</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-94"><a href="#PRQL.Parser-94"><span class="linenos"> 94</span></a>
|
||||
</span><span id="PRQL.Parser-95"><a href="#PRQL.Parser-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">query</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-96"><a href="#PRQL.Parser-96"><span class="linenos"> 96</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-97"><a href="#PRQL.Parser-97"><span class="linenos"> 97</span></a> <span class="k">else</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-98"><a href="#PRQL.Parser-98"><span class="linenos"> 98</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_expression</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-99"><a href="#PRQL.Parser-99"><span class="linenos"> 99</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="p">]</span> <span class="k">if</span> <span class="n">expression</span> <span class="k">else</span> <span class="p">[]</span>
|
||||
</span><span id="PRQL.Parser-100"><a href="#PRQL.Parser-100"><span class="linenos">100</span></a>
|
||||
</span><span id="PRQL.Parser-101"><a href="#PRQL.Parser-101"><span class="linenos">101</span></a> <span class="n">projections</span> <span class="o">=</span> <span class="p">{</span>
|
||||
</span><span id="PRQL.Parser-102"><a href="#PRQL.Parser-102"><span class="linenos">102</span></a> <span class="n">select</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">:</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="k">else</span> <span class="n">select</span>
|
||||
</span><span id="PRQL.Parser-103"><a href="#PRQL.Parser-103"><span class="linenos">103</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">query</span><span class="o">.</span><span class="n">selects</span>
|
||||
</span><span id="PRQL.Parser-104"><a href="#PRQL.Parser-104"><span class="linenos">104</span></a> <span class="p">}</span>
|
||||
</span><span id="PRQL.Parser-105"><a href="#PRQL.Parser-105"><span class="linenos">105</span></a>
|
||||
</span><span id="PRQL.Parser-106"><a href="#PRQL.Parser-106"><span class="linenos">106</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">[</span>
|
||||
</span><span id="PRQL.Parser-107"><a href="#PRQL.Parser-107"><span class="linenos">107</span></a> <span class="n">select</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-108"><a href="#PRQL.Parser-108"><span class="linenos">108</span></a> <span class="k">lambda</span> <span class="n">s</span><span class="p">:</span> <span class="p">(</span><span class="n">projections</span><span class="p">[</span><span class="n">s</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">projections</span> <span class="k">else</span> <span class="n">s</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-109"><a href="#PRQL.Parser-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-110"><a href="#PRQL.Parser-110"><span class="linenos">110</span></a> <span class="k">else</span> <span class="n">s</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-111"><a href="#PRQL.Parser-111"><span class="linenos">111</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-112"><a href="#PRQL.Parser-112"><span class="linenos">112</span></a> <span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-113"><a href="#PRQL.Parser-113"><span class="linenos">113</span></a> <span class="k">for</span> <span class="n">select</span> <span class="ow">in</span> <span class="n">selects</span>
|
||||
</span><span id="PRQL.Parser-114"><a href="#PRQL.Parser-114"><span class="linenos">114</span></a> <span class="p">]</span>
|
||||
</span><span id="PRQL.Parser-115"><a href="#PRQL.Parser-115"><span class="linenos">115</span></a>
|
||||
</span><span id="PRQL.Parser-116"><a href="#PRQL.Parser-116"><span class="linenos">116</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="o">*</span><span class="n">selects</span><span class="p">,</span> <span class="n">append</span><span class="o">=</span><span class="n">append</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-117"><a href="#PRQL.Parser-117"><span class="linenos">117</span></a>
|
||||
</span><span id="PRQL.Parser-118"><a href="#PRQL.Parser-118"><span class="linenos">118</span></a> <span class="k">def</span> <span class="nf">_parse_take</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-119"><a href="#PRQL.Parser-119"><span class="linenos">119</span></a> <span class="n">num</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_number</span><span class="p">()</span> <span class="c1"># TODO: TAKE for ranges a..b</span>
|
||||
</span><span id="PRQL.Parser-120"><a href="#PRQL.Parser-120"><span class="linenos">120</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">limit</span><span class="p">(</span><span class="n">num</span><span class="p">)</span> <span class="k">if</span> <span class="n">num</span> <span class="k">else</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-121"><a href="#PRQL.Parser-121"><span class="linenos">121</span></a>
|
||||
</span><span id="PRQL.Parser-122"><a href="#PRQL.Parser-122"><span class="linenos">122</span></a> <span class="k">def</span> <span class="nf">_parse_ordered</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-123"><a href="#PRQL.Parser-123"><span class="linenos">123</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">parse_method</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-124"><a href="#PRQL.Parser-124"><span class="linenos">124</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-125"><a href="#PRQL.Parser-125"><span class="linenos">125</span></a> <span class="n">asc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">PLUS</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-126"><a href="#PRQL.Parser-126"><span class="linenos">126</span></a> <span class="n">desc</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">DASH</span><span class="p">)</span> <span class="ow">or</span> <span class="p">(</span><span class="n">asc</span> <span class="ow">and</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-127"><a href="#PRQL.Parser-127"><span class="linenos">127</span></a> <span class="n">term</span> <span class="o">=</span> <span class="n">term</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">(</span><span class="n">parse_method</span><span class="o">=</span><span class="n">parse_method</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-128"><a href="#PRQL.Parser-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="n">term</span> <span class="ow">and</span> <span class="n">desc</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-129"><a href="#PRQL.Parser-129"><span class="linenos">129</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-130"><a href="#PRQL.Parser-130"><span class="linenos">130</span></a> <span class="n">term</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"nulls_first"</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-131"><a href="#PRQL.Parser-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">term</span>
|
||||
</span><span id="PRQL.Parser-132"><a href="#PRQL.Parser-132"><span class="linenos">132</span></a>
|
||||
</span><span id="PRQL.Parser-133"><a href="#PRQL.Parser-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-134"><a href="#PRQL.Parser-134"><span class="linenos">134</span></a> <span class="bp">self</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-135"><a href="#PRQL.Parser-135"><span class="linenos">135</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-136"><a href="#PRQL.Parser-136"><span class="linenos">136</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-137"><a href="#PRQL.Parser-137"><span class="linenos">137</span></a> <span class="n">alias_tokens</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-138"><a href="#PRQL.Parser-138"><span class="linenos">138</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-139"><a href="#PRQL.Parser-139"><span class="linenos">139</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-140"><a href="#PRQL.Parser-140"><span class="linenos">140</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-141"><a href="#PRQL.Parser-141"><span class="linenos">141</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_table_parts</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-142"><a href="#PRQL.Parser-142"><span class="linenos">142</span></a>
|
||||
</span><span id="PRQL.Parser-143"><a href="#PRQL.Parser-143"><span class="linenos">143</span></a> <span class="k">def</span> <span class="nf">_parse_from</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-144"><a href="#PRQL.Parser-144"><span class="linenos">144</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">skip_from_token</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="PRQL.Parser-145"><a href="#PRQL.Parser-145"><span class="linenos">145</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-146"><a href="#PRQL.Parser-146"><span class="linenos">146</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">skip_from_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">FROM</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-147"><a href="#PRQL.Parser-147"><span class="linenos">147</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-148"><a href="#PRQL.Parser-148"><span class="linenos">148</span></a>
|
||||
</span><span id="PRQL.Parser-149"><a href="#PRQL.Parser-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-150"><a href="#PRQL.Parser-150"><span class="linenos">150</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">comments</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev_comments</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span><span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-151"><a href="#PRQL.Parser-151"><span class="linenos">151</span></a> <span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-133"><a href="#PRQL.Parser-133"><span class="linenos">133</span></a> <span class="k">def</span> <span class="nf">_parse_order_by</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">query</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Query</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-134"><a href="#PRQL.Parser-134"><span class="linenos">134</span></a> <span class="n">l_brace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">L_BRACE</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-135"><a href="#PRQL.Parser-135"><span class="linenos">135</span></a> <span class="n">expressions</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_csv</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_ordered</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-136"><a href="#PRQL.Parser-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">l_brace</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">R_BRACE</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-137"><a href="#PRQL.Parser-137"><span class="linenos">137</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">raise_error</span><span class="p">(</span><span class="s2">"Expecting }"</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-138"><a href="#PRQL.Parser-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">query</span><span class="o">.</span><span class="n">order_by</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Order</span><span class="p">,</span> <span class="n">expressions</span><span class="o">=</span><span class="n">expressions</span><span class="p">),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-139"><a href="#PRQL.Parser-139"><span class="linenos">139</span></a>
|
||||
</span><span id="PRQL.Parser-140"><a href="#PRQL.Parser-140"><span class="linenos">140</span></a> <span class="k">def</span> <span class="nf">_parse_expression</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-141"><a href="#PRQL.Parser-141"><span class="linenos">141</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_next</span><span class="o">.</span><span class="n">token_type</span> <span class="o">==</span> <span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">:</span>
|
||||
</span><span id="PRQL.Parser-142"><a href="#PRQL.Parser-142"><span class="linenos">142</span></a> <span class="n">alias</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_id_var</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-143"><a href="#PRQL.Parser-143"><span class="linenos">143</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">ALIAS</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-144"><a href="#PRQL.Parser-144"><span class="linenos">144</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">(),</span> <span class="n">alias</span><span class="o">=</span><span class="n">alias</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-145"><a href="#PRQL.Parser-145"><span class="linenos">145</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_conjunction</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-146"><a href="#PRQL.Parser-146"><span class="linenos">146</span></a>
|
||||
</span><span id="PRQL.Parser-147"><a href="#PRQL.Parser-147"><span class="linenos">147</span></a> <span class="k">def</span> <span class="nf">_parse_table</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-148"><a href="#PRQL.Parser-148"><span class="linenos">148</span></a> <span class="bp">self</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-149"><a href="#PRQL.Parser-149"><span class="linenos">149</span></a> <span class="n">schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-150"><a href="#PRQL.Parser-150"><span class="linenos">150</span></a> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-151"><a href="#PRQL.Parser-151"><span class="linenos">151</span></a> <span class="n">alias_tokens</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Collection</span><span class="p">[</span><span class="n">TokenType</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-152"><a href="#PRQL.Parser-152"><span class="linenos">152</span></a> <span class="n">parse_bracket</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-153"><a href="#PRQL.Parser-153"><span class="linenos">153</span></a> <span class="n">is_db_reference</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-154"><a href="#PRQL.Parser-154"><span class="linenos">154</span></a> <span class="n">parse_partition</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
|
||||
</span><span id="PRQL.Parser-155"><a href="#PRQL.Parser-155"><span class="linenos">155</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-156"><a href="#PRQL.Parser-156"><span class="linenos">156</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parse_table_parts</span><span class="p">()</span>
|
||||
</span><span id="PRQL.Parser-157"><a href="#PRQL.Parser-157"><span class="linenos">157</span></a>
|
||||
</span><span id="PRQL.Parser-158"><a href="#PRQL.Parser-158"><span class="linenos">158</span></a> <span class="k">def</span> <span class="nf">_parse_from</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-159"><a href="#PRQL.Parser-159"><span class="linenos">159</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">joins</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">skip_from_token</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span>
|
||||
</span><span id="PRQL.Parser-160"><a href="#PRQL.Parser-160"><span class="linenos">160</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">]:</span>
|
||||
</span><span id="PRQL.Parser-161"><a href="#PRQL.Parser-161"><span class="linenos">161</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">skip_from_token</span> <span class="ow">and</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_match</span><span class="p">(</span><span class="n">TokenType</span><span class="o">.</span><span class="n">FROM</span><span class="p">):</span>
|
||||
</span><span id="PRQL.Parser-162"><a href="#PRQL.Parser-162"><span class="linenos">162</span></a> <span class="k">return</span> <span class="kc">None</span>
|
||||
</span><span id="PRQL.Parser-163"><a href="#PRQL.Parser-163"><span class="linenos">163</span></a>
|
||||
</span><span id="PRQL.Parser-164"><a href="#PRQL.Parser-164"><span class="linenos">164</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">expression</span><span class="p">(</span>
|
||||
</span><span id="PRQL.Parser-165"><a href="#PRQL.Parser-165"><span class="linenos">165</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">From</span><span class="p">,</span> <span class="n">comments</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_prev_comments</span><span class="p">,</span> <span class="n">this</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_parse_table</span><span class="p">(</span><span class="n">joins</span><span class="o">=</span><span class="n">joins</span><span class="p">)</span>
|
||||
</span><span id="PRQL.Parser-166"><a href="#PRQL.Parser-166"><span class="linenos">166</span></a> <span class="p">)</span>
|
||||
</span></pre></div>
|
||||
|
||||
|
||||
|
|
@ -1184,6 +1229,7 @@ Default: 3</li>
|
|||
<dd id="PRQL.Parser.VALUES_FOLLOWED_BY_PAREN" class="variable"><a href="../parser.html#Parser.VALUES_FOLLOWED_BY_PAREN">VALUES_FOLLOWED_BY_PAREN</a></dd>
|
||||
<dd id="PRQL.Parser.SUPPORTS_IMPLICIT_UNNEST" class="variable"><a href="../parser.html#Parser.SUPPORTS_IMPLICIT_UNNEST">SUPPORTS_IMPLICIT_UNNEST</a></dd>
|
||||
<dd id="PRQL.Parser.INTERVAL_SPANS" class="variable"><a href="../parser.html#Parser.INTERVAL_SPANS">INTERVAL_SPANS</a></dd>
|
||||
<dd id="PRQL.Parser.SUPPORTS_PARTITION_SELECTION" class="variable"><a href="../parser.html#Parser.SUPPORTS_PARTITION_SELECTION">SUPPORTS_PARTITION_SELECTION</a></dd>
|
||||
<dd id="PRQL.Parser.error_level" class="variable"><a href="../parser.html#Parser.error_level">error_level</a></dd>
|
||||
<dd id="PRQL.Parser.error_message_context" class="variable"><a href="../parser.html#Parser.error_message_context">error_message_context</a></dd>
|
||||
<dd id="PRQL.Parser.max_errors" class="variable"><a href="../parser.html#Parser.max_errors">max_errors</a></dd>
|
||||
|
|
|
|||
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