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diff --git a/docs/sqlglot/optimizer/canonicalize.html b/docs/sqlglot/optimizer/canonicalize.html index 5f5cd7a..1689ecf 100644 --- a/docs/sqlglot/optimizer/canonicalize.html +++ b/docs/sqlglot/optimizer/canonicalize.html @@ -145,41 +145,45 @@ </span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span> </span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span> </span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a> -</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)):</span> -</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> -</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> -</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">expression</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">None</span><span class="p">)</span> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">return</span> <span class="n">expression</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><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a><span class="k">def</span> <span class="nf">_coerce_date</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">([</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">]):</span> -</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">a</span><span class="o">.</span><span class="n">type</span> -</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="ow">and</span> <span class="n">a</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span> -</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">)</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="p">):</span> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">)</span> -</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> -</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a><span class="k">def</span> <span class="nf">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">to</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">to</span><span class="p">))</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">))</span> <span class="ow">or</span> <span class="p">(</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="c1"># We can't replace num in CASE x WHEN num ..., because it's not the full predicate</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="p">):</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</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 class="c1"># Convert ORDER BY a ASC to ORDER BY a</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">expression</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">None</span><span class="p">)</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> +</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">_coerce_date</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">([</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">]):</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="n">a</span><span class="o">.</span><span class="n">type</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="ow">and</span> <span class="n">a</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">INTERVAL</span><span class="p">)</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="p">):</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="n">_replace_cast</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</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><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a><span class="k">def</span> <span class="nf">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">):</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">child</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">iter_expressions</span><span class="p">():</span> -</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">child</span><span class="p">)</span> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">INTEGER_TYPES</span><span class="p">:</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)))</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a><span class="k">def</span> <span class="nf">_replace_cast</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">to</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">to</span><span class="o">=</span><span class="n">to</span><span class="p">))</span> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a><span class="k">def</span> <span class="nf">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">):</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">child</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">iter_expressions</span><span class="p">():</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">child</span><span class="p">)</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">this</span> <span class="ow">in</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">INTEGER_TYPES</span><span class="p">:</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="mi">0</span><span class="p">)))</span> </span></pre></div> @@ -345,10 +349,14 @@ conversions rely on type inference.</p> </span><span id="ensure_bool_predicates-70"><a href="#ensure_bool_predicates-70"><span class="linenos">70</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">left</span><span class="p">)</span> </span><span id="ensure_bool_predicates-71"><a href="#ensure_bool_predicates-71"><span class="linenos">71</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">right</span><span class="p">)</span> </span><span id="ensure_bool_predicates-72"><a href="#ensure_bool_predicates-72"><span class="linenos">72</span></a> -</span><span id="ensure_bool_predicates-73"><a href="#ensure_bool_predicates-73"><span class="linenos">73</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)):</span> -</span><span id="ensure_bool_predicates-74"><a href="#ensure_bool_predicates-74"><span class="linenos">74</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="ensure_bool_predicates-75"><a href="#ensure_bool_predicates-75"><span class="linenos">75</span></a> -</span><span id="ensure_bool_predicates-76"><a href="#ensure_bool_predicates-76"><span class="linenos">76</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="ensure_bool_predicates-73"><a href="#ensure_bool_predicates-73"><span class="linenos">73</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Having</span><span class="p">))</span> <span class="ow">or</span> <span class="p">(</span> +</span><span id="ensure_bool_predicates-74"><a href="#ensure_bool_predicates-74"><span class="linenos">74</span></a> <span class="c1"># We can't replace num in CASE x WHEN num ..., because it's not the full predicate</span> +</span><span id="ensure_bool_predicates-75"><a href="#ensure_bool_predicates-75"><span class="linenos">75</span></a> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">If</span><span class="p">)</span> +</span><span id="ensure_bool_predicates-76"><a href="#ensure_bool_predicates-76"><span class="linenos">76</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Case</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="ensure_bool_predicates-77"><a href="#ensure_bool_predicates-77"><span class="linenos">77</span></a> <span class="p">):</span> +</span><span id="ensure_bool_predicates-78"><a href="#ensure_bool_predicates-78"><span class="linenos">78</span></a> <span class="n">_replace_int_predicate</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="ensure_bool_predicates-79"><a href="#ensure_bool_predicates-79"><span class="linenos">79</span></a> +</span><span id="ensure_bool_predicates-80"><a href="#ensure_bool_predicates-80"><span class="linenos">80</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -366,12 +374,12 @@ conversions rely on type inference.</p> </div> <a class="headerlink" href="#remove_ascending_order"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="remove_ascending_order-79"><a href="#remove_ascending_order-79"><span class="linenos">79</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="remove_ascending_order-80"><a href="#remove_ascending_order-80"><span class="linenos">80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span> -</span><span id="remove_ascending_order-81"><a href="#remove_ascending_order-81"><span class="linenos">81</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span> -</span><span id="remove_ascending_order-82"><a href="#remove_ascending_order-82"><span class="linenos">82</span></a> <span class="n">expression</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">None</span><span class="p">)</span> -</span><span id="remove_ascending_order-83"><a href="#remove_ascending_order-83"><span class="linenos">83</span></a> -</span><span id="remove_ascending_order-84"><a href="#remove_ascending_order-84"><span class="linenos">84</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="remove_ascending_order-83"><a href="#remove_ascending_order-83"><span class="linenos">83</span></a><span class="k">def</span> <span class="nf">remove_ascending_order</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="remove_ascending_order-84"><a href="#remove_ascending_order-84"><span class="linenos">84</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Ordered</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"desc"</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span> +</span><span id="remove_ascending_order-85"><a href="#remove_ascending_order-85"><span class="linenos">85</span></a> <span class="c1"># Convert ORDER BY a ASC to ORDER BY a</span> +</span><span id="remove_ascending_order-86"><a href="#remove_ascending_order-86"><span class="linenos">86</span></a> <span class="n">expression</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">None</span><span class="p">)</span> +</span><span id="remove_ascending_order-87"><a href="#remove_ascending_order-87"><span class="linenos">87</span></a> +</span><span id="remove_ascending_order-88"><a href="#remove_ascending_order-88"><span class="linenos">88</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> |