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| <div class="title">CaseExpr.java</div> </div> |
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| <a href="CaseExpr_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">package </span>com.cloudera.impala.analysis;</div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">import</span> java.util.List;</div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db.html">com.cloudera.impala.catalog.Db</a>;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">import</span> <a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode.html">com.cloudera.impala.catalog.Function.CompareMode</a>;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">import</span> <a class="code" href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871">com.cloudera.impala.catalog.PrimitiveType</a>;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarFunction.html">com.cloudera.impala.catalog.ScalarFunction</a>;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarType.html">com.cloudera.impala.catalog.ScalarType</a>;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">com.cloudera.impala.catalog.Type</a>;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1AnalysisException.html">com.cloudera.impala.common.AnalysisException</a>;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TCaseExpr;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TExprNode;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TExprNodeType;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">import</span> com.google.common.annotations.VisibleForTesting;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">import</span> com.google.common.base.Preconditions;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">import</span> com.google.common.collect.Lists;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html"> 65</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html">CaseExpr</a> <span class="keyword">extends</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> {</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Set if constructed from a DECODE, null otherwise.</span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b"> 68</a></span>  <span class="keyword">private</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1FunctionCallExpr.html">FunctionCallExpr</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">decodeExpr_</a>;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> |
| <div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad"> 70</a></span>  <span class="keyword">private</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7"> 71</a></span>  <span class="keyword">private</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a>;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#af00ae7d22428c724e8307c7ea9c94d80"> 73</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#af00ae7d22428c724e8307c7ea9c94d80">CaseExpr</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> caseExpr, List<CaseWhenClause> whenClauses, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> elseExpr) {</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  super();</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (caseExpr != null) {</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  children_.add(caseExpr);</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a> = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">for</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseWhenClause.html">CaseWhenClause</a> whenClause: whenClauses) {</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Preconditions.checkNotNull(whenClause.getWhenExpr());</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  children_.add(whenClause.getWhenExpr());</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  Preconditions.checkNotNull(whenClause.getThenExpr());</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  children_.add(whenClause.getThenExpr());</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (elseExpr != null) {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  children_.add(elseExpr);</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a> = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a704c7d7ee0c405a6a1f2812915994bae"> 107</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a704c7d7ee0c405a6a1f2812915994bae">CaseExpr</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1FunctionCallExpr.html">FunctionCallExpr</a> decodeExpr) {</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  super();</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">decodeExpr_</a> = decodeExpr;</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a> = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">int</span> childIdx = 0;</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> encoded = null;</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> encodedIsNull = null;</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (!decodeExpr.getChildren().isEmpty()) {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  encoded = decodeExpr.getChild(childIdx++);</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  encodedIsNull = <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html">IsNullPredicate</a>(encoded, <span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Add the key_expr/val_expr pairs</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">while</span> (childIdx + 2 <= decodeExpr.getChildren().size()) {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> candidate = decodeExpr.getChild(childIdx++);</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (candidate.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa0363a312c7601e7278460407b234b96">isLiteral</a>()) {</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (candidate.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a5517fff43b927bac45351cbef495f666">isNullLiteral</a>()) {</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// An example case is DECODE(foo, NULL, bar), since NULLs are considered</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// equal, this becomes CASE WHEN foo IS NULL THEN bar END.</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  children_.add(encodedIsNull);</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  children_.add(<span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BinaryPredicate.html">BinaryPredicate</a>(</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BinaryPredicate.html">BinaryPredicate</a>.Operator.EQ, encoded, candidate));</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  children_.add(<span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CompoundPredicate.html">CompoundPredicate</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CompoundPredicate.html">CompoundPredicate</a>.Operator.OR,</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CompoundPredicate.html">CompoundPredicate</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CompoundPredicate.html">CompoundPredicate</a>.Operator.AND,</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  encodedIsNull, <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html">IsNullPredicate</a>(candidate, <span class="keyword">false</span>)),</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BinaryPredicate.html">BinaryPredicate</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BinaryPredicate.html">BinaryPredicate</a>.Operator.EQ, encoded, candidate)));</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// Add the value</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  children_.add(decodeExpr.getChild(childIdx++));</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// Add the default value</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (childIdx < decodeExpr.getChildren().size()) {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a> = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  children_.add(decodeExpr.getChild(childIdx));</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> |
| <div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#aee5a53d62e4ae89a91437076f420a618"> 153</a></span>  <span class="keyword">protected</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#aee5a53d62e4ae89a91437076f420a618">CaseExpr</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html">CaseExpr</a> other) {</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  super(other);</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">decodeExpr_</a> = other.decodeExpr_;</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a> = other.hasCaseExpr_;</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a> = other.hasElseExpr_;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div> |
| <div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab1754bc6211780eaa0fec1603d71743e"> 160</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab1754bc6211780eaa0fec1603d71743e">initBuiltins</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db.html">Db</a> db) {</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">for</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a> t: <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a20a83d3286c8e99ff7363a205ec27cf9">getSupportedTypes</a>()) {</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (t.isNull()) <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (t.isScalarType(<a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1PrimitiveType.html">PrimitiveType</a>.<a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1PrimitiveType.html#a0de15066ec56dad49f70108f9c5ad1ed">CHAR</a>)) <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// TODO: case is special and the signature cannot be represented.</span></div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// It is alternating varargs</span></div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// e.g. case(bool, type, bool type, bool type, etc).</span></div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// Instead we just add a version for each of the return types</span></div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// e.g. case(BOOLEAN), case(INT), etc</span></div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  db.addBuiltin(ScalarFunction.createBuiltinOperator(</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="stringliteral">"case"</span>, <span class="stringliteral">""</span>, Lists.newArrayList(t), t));</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// Same for DECODE</span></div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  db.addBuiltin(ScalarFunction.createBuiltinOperator(</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="stringliteral">"decode"</span>, <span class="stringliteral">""</span>, Lists.newArrayList(t), t));</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  @Override</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a79fb8049a5c923af6858ab38363565d3"> 178</a></span>  <span class="keyword">public</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a79fb8049a5c923af6858ab38363565d3">equals</a>(Object obj) {</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (!super.equals(obj)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html">CaseExpr</a> expr = (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#af00ae7d22428c724e8307c7ea9c94d80">CaseExpr</a>) obj;</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a> == expr.hasCaseExpr_</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  && <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a> == expr.hasElseExpr_</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  && <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2e05a7bd69ca6e07e8f64c8a38988b65">isDecode</a>() == expr.isDecode();</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  @Override</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a0d39a747034628fd129c5e54297935ef"> 187</a></span>  <span class="keyword">public</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a0d39a747034628fd129c5e54297935ef">toSqlImpl</a>() {</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">decodeExpr_</a> == null) ? <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2d70fbd88e813030d9f99bbc4da9de98">toCaseSql</a>() : decodeExpr_.toSqlImpl();</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  @VisibleForTesting</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2d70fbd88e813030d9f99bbc4da9de98"> 192</a></span>  String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2d70fbd88e813030d9f99bbc4da9de98">toCaseSql</a>() {</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  StringBuilder output = <span class="keyword">new</span> StringBuilder(<span class="stringliteral">"CASE"</span>);</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">int</span> childIdx = 0;</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>) {</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  output.append(<span class="stringliteral">" "</span> + children_.get(childIdx++).<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8a7f3127d58f9b9e03cd2a5855311dc8">toSql</a>());</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">while</span> (childIdx + 2 <= children_.size()) {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  output.append(<span class="stringliteral">" WHEN "</span> + children_.get(childIdx++).<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8a7f3127d58f9b9e03cd2a5855311dc8">toSql</a>());</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  output.append(<span class="stringliteral">" THEN "</span> + children_.get(childIdx++).<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8a7f3127d58f9b9e03cd2a5855311dc8">toSql</a>());</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a>) {</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  output.append(<span class="stringliteral">" ELSE "</span> + children_.get(children_.size() - 1).toSql());</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  output.append(<span class="stringliteral">" END"</span>);</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> output.toString();</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  @Override</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a769ffcdc8782aabdc100b7da121f9d91"> 210</a></span>  <span class="keyword">protected</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a769ffcdc8782aabdc100b7da121f9d91">toThrift</a>(TExprNode msg) {</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  msg.node_type = TExprNodeType.CASE_EXPR;</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  msg.case_expr = <span class="keyword">new</span> TCaseExpr(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a>);</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  @Override</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ad116780317fddb7964b070be61cb47ba"> 216</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ad116780317fddb7964b070be61cb47ba">analyze</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Analyzer.html">Analyzer</a> analyzer) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1AnalysisException.html">AnalysisException</a> {</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8b745173008a9c04bd8892ca365d24af">isAnalyzed_</a>) <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  super.analyze(analyzer);</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#abdb99180feed7a64ec44fdf41f9c9e3e">castChildCharsToStrings</a>(analyzer);</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2e05a7bd69ca6e07e8f64c8a38988b65">isDecode</a>()) {</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  Preconditions.checkState(!<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>);</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// decodeExpr_.analyze() would fail validating function existence. The complex</span></div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// vararg signature is currently unsupported.</span></div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  FunctionCallExpr.validateScalarFnParams(decodeExpr_.getParams());</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">decodeExpr_</a>.getChildren().size() < 3) {</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1AnalysisException.html">AnalysisException</a>(<span class="stringliteral">"DECODE in '"</span> + <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8a7f3127d58f9b9e03cd2a5855311dc8">toSql</a>() + <span class="stringliteral">"' requires at least 3 "</span></div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  + <span class="stringliteral">"arguments."</span>);</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Keep track of maximum compatible type of case expr and all when exprs.</span></div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a> whenType = null;</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Keep track of maximum compatible type of else expr and all then exprs.</span></div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a> returnType = null;</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// Remember last of these exprs for error reporting.</span></div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> lastCompatibleThenExpr = null;</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> lastCompatibleWhenExpr = null;</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordtype">int</span> loopEnd = children_.size();</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a>) {</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  --loopEnd;</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">int</span> loopStart;</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> caseExpr = null;</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Set loop start, and initialize returnType as type of castExpr.</span></div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>) {</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  loopStart = 1;</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  caseExpr = children_.get(0);</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  caseExpr.analyze(analyzer);</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  whenType = caseExpr.getType();</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  lastCompatibleWhenExpr = children_.get(0);</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  whenType = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a37db9c01d07455b2b47d3fa9b678e661">Type.BOOLEAN</a>;</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  loopStart = 0;</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// Go through when/then exprs and determine compatible types.</span></div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = loopStart; i < loopEnd; i += 2) {</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> whenExpr = children_.get(i);</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>) {</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// Determine maximum compatible type of the case expr,</span></div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// and all when exprs seen so far. We will add casts to them at the very end.</span></div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  whenType = analyzer.getCompatibleType(whenType,</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  lastCompatibleWhenExpr, whenExpr);</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  lastCompatibleWhenExpr = whenExpr;</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// If no case expr was given, then the when exprs should always return</span></div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// boolean or be castable to boolean.</span></div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (!<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a6abc12c804b16fb0cb4efeb9c3b41969">isImplicitlyCastable</a>(whenExpr.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa13f302aaf889778a8f16beb116d4292">getType</a>(),</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a37db9c01d07455b2b47d3fa9b678e661">Type.BOOLEAN</a>)) {</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  Preconditions.checkState(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ac3b6c25883f889b3bb992d5239d56576">isCase</a>());</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1AnalysisException.html">AnalysisException</a>(<span class="stringliteral">"When expr '"</span> + whenExpr.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8a7f3127d58f9b9e03cd2a5855311dc8">toSql</a>() + <span class="stringliteral">"'"</span> +</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="stringliteral">" is not of type boolean and not castable to type boolean."</span>);</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// Add a cast if necessary.</span></div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (!whenExpr.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa13f302aaf889778a8f16beb116d4292">getType</a>().isBoolean()) <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ae40c450c70243d758395cec36179d49a">castChild</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a37db9c01d07455b2b47d3fa9b678e661">BOOLEAN</a>, i);</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  }</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// Determine maximum compatible type of the then exprs seen so far.</span></div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// We will add casts to them at the very end.</span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> thenExpr = children_.get(i + 1);</div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  returnType = analyzer.getCompatibleType(returnType,</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  lastCompatibleThenExpr, thenExpr);</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  lastCompatibleThenExpr = thenExpr;</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a>) {</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> elseExpr = children_.get(children_.size() - 1);</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  returnType = analyzer.getCompatibleType(returnType,</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  lastCompatibleThenExpr, elseExpr);</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// Make sure BE doesn't see TYPE_NULL by picking an arbitrary type</span></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (whenType.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a8058dddd0b735b08fd1de5924c1d52eb">isNull</a>()) whenType = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarType.html">ScalarType</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a37db9c01d07455b2b47d3fa9b678e661">BOOLEAN</a>;</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  if (returnType.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a8058dddd0b735b08fd1de5924c1d52eb">isNull</a>()) returnType = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarType.html">ScalarType</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a37db9c01d07455b2b47d3fa9b678e661">BOOLEAN</a>;</div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// Add casts to case expr to compatible type.</span></div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  if (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">hasCaseExpr_</a>) {</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// Cast case expr.</span></div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (!children_.get(0).type_.equals(whenType)) {</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ae40c450c70243d758395cec36179d49a">castChild</a>(whenType, 0);</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// Add casts to when exprs to compatible type.</span></div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = loopStart; i < loopEnd; i += 2) {</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (!children_.get(i).type_.equals(whenType)) {</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ae40c450c70243d758395cec36179d49a">castChild</a>(whenType, i);</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// Cast then exprs to compatible type.</span></div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = loopStart + 1; i < children_.size(); i += 2) {</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">if</span> (!children_.get(i).type_.equals(returnType)) {</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ae40c450c70243d758395cec36179d49a">castChild</a>(returnType, i);</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// Cast else expr to compatible type.</span></div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">hasElseExpr_</a>) {</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (!children_.get(children_.size() - 1).<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ab1fff80d4023e8f93e42b230550917db">type_</a>.equals(returnType)) {</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ae40c450c70243d758395cec36179d49a">castChild</a>(returnType, children_.size() - 1);</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// Do the function lookup just based on the whenType.</span></div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a>[] args = <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">Type</a>[1];</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  args[0] = whenType;</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#affdf82c1039db2f62810801c58818a1e">fn_</a> = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a4afe8502009802e5c2c0247c161e0e0f">getBuiltinFunction</a>(analyzer, <span class="stringliteral">"case"</span>, args, <a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode.html">CompareMode</a>.<a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode.html#abf41adcd93f02fa3bc5d0d5f3cbb3af7">IS_SUPERTYPE_OF</a>);</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  Preconditions.checkNotNull(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#affdf82c1039db2f62810801c58818a1e">fn_</a>);</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ab1fff80d4023e8f93e42b230550917db">type_</a> = returnType;</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div> |
| <div class="line"><a name="l00329"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ac3b6c25883f889b3bb992d5239d56576"> 329</a></span>  <span class="keyword">private</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ac3b6c25883f889b3bb992d5239d56576">isCase</a>() { <span class="keywordflow">return</span> !<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2e05a7bd69ca6e07e8f64c8a38988b65">isDecode</a>(); }</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2e05a7bd69ca6e07e8f64c8a38988b65"> 330</a></span>  <span class="keyword">private</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2e05a7bd69ca6e07e8f64c8a38988b65">isDecode</a>() { <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">decodeExpr_</a> != null; }</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  @Override</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a6347941e7247c4c81b1e71299e37bd21"> 333</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a6347941e7247c4c81b1e71299e37bd21">clone</a>() { <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#af00ae7d22428c724e8307c7ea9c94d80">CaseExpr</a>(<span class="keyword">this</span>); }</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span> }</div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1PrimitiveType_html_a0de15066ec56dad49f70108f9c5ad1ed"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1PrimitiveType.html#a0de15066ec56dad49f70108f9c5ad1ed">com.cloudera.impala.catalog.PrimitiveType.CHAR</a></div><div class="ttdeci">CHAR</div><div class="ttdef"><b>Definition:</b> <a href="PrimitiveType_8java_source.html#l00050">PrimitiveType.java:50</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_affdf82c1039db2f62810801c58818a1e"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#affdf82c1039db2f62810801c58818a1e">com.cloudera.impala.analysis.Expr.fn_</a></div><div class="ttdeci">Function fn_</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00161">Expr.java:161</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_ab7f5802c3a64ef247eaf8e15ab830d1b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab7f5802c3a64ef247eaf8e15ab830d1b">com.cloudera.impala.analysis.CaseExpr.decodeExpr_</a></div><div class="ttdeci">FunctionCallExpr decodeExpr_</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00068">CaseExpr.java:68</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_af00ae7d22428c724e8307c7ea9c94d80"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#af00ae7d22428c724e8307c7ea9c94d80">com.cloudera.impala.analysis.CaseExpr.CaseExpr</a></div><div class="ttdeci">CaseExpr(Expr caseExpr, List< CaseWhenClause > whenClauses, Expr elseExpr)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00073">CaseExpr.java:73</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BinaryPredicate_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BinaryPredicate.html">com.cloudera.impala.analysis.BinaryPredicate</a></div><div class="ttdef"><b>Definition:</b> <a href="BinaryPredicate_8java_source.html#l00042">BinaryPredicate.java:42</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html">com.cloudera.impala.catalog.Type</a></div><div class="ttdef"><b>Definition:</b> <a href="Type_8java_source.html#l00042">Type.java:42</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1FunctionCallExpr_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1FunctionCallExpr.html">com.cloudera.impala.analysis.FunctionCallExpr</a></div><div class="ttdef"><b>Definition:</b> <a href="FunctionCallExpr_8java_source.html#l00037">FunctionCallExpr.java:37</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_a8a7f3127d58f9b9e03cd2a5855311dc8"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8a7f3127d58f9b9e03cd2a5855311dc8">com.cloudera.impala.analysis.Expr.toSql</a></div><div class="ttdeci">String toSql()</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00449">Expr.java:449</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_aa13f302aaf889778a8f16beb116d4292"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa13f302aaf889778a8f16beb116d4292">com.cloudera.impala.analysis.Expr.getType</a></div><div class="ttdeci">Type getType()</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00188">Expr.java:188</a></div></div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode_html_abf41adcd93f02fa3bc5d0d5f3cbb3af7"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode.html#abf41adcd93f02fa3bc5d0d5f3cbb3af7">com.cloudera.impala.catalog.Function.CompareMode.IS_SUPERTYPE_OF</a></div><div class="ttdeci">IS_SUPERTYPE_OF</div><div class="ttdef"><b>Definition:</b> <a href="Function_8java_source.html#l00067">Function.java:67</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_abf2cfb1713f875a92fe4dd30acc4e5b7"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#abf2cfb1713f875a92fe4dd30acc4e5b7">com.cloudera.impala.analysis.CaseExpr.hasElseExpr_</a></div><div class="ttdeci">boolean hasElseExpr_</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00071">CaseExpr.java:71</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarFunction_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarFunction.html">com.cloudera.impala.catalog.ScalarFunction</a></div><div class="ttdef"><b>Definition:</b> <a href="ScalarFunction_8java_source.html#l00033">ScalarFunction.java:33</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a0d39a747034628fd129c5e54297935ef"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a0d39a747034628fd129c5e54297935ef">com.cloudera.impala.analysis.CaseExpr.toSqlImpl</a></div><div class="ttdeci">String toSqlImpl()</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00187">CaseExpr.java:187</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1common_1_1AnalysisException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1common_1_1AnalysisException.html">com.cloudera.impala.common.AnalysisException</a></div><div class="ttdef"><b>Definition:</b> <a href="AnalysisException_8java_source.html#l00021">AnalysisException.java:21</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type_html_a37db9c01d07455b2b47d3fa9b678e661"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a37db9c01d07455b2b47d3fa9b678e661">com.cloudera.impala.catalog.Type.BOOLEAN</a></div><div class="ttdeci">static final ScalarType BOOLEAN</div><div class="ttdef"><b>Definition:</b> <a href="Type_8java_source.html#l00046">Type.java:46</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_aa0363a312c7601e7278460407b234b96"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa0363a312c7601e7278460407b234b96">com.cloudera.impala.analysis.Expr.isLiteral</a></div><div class="ttdeci">boolean isLiteral()</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00908">Expr.java:908</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html">com.cloudera.impala.analysis.IsNullPredicate</a></div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00032">IsNullPredicate.java:32</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a704c7d7ee0c405a6a1f2812915994bae"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a704c7d7ee0c405a6a1f2812915994bae">com.cloudera.impala.analysis.CaseExpr.CaseExpr</a></div><div class="ttdeci">CaseExpr(FunctionCallExpr decodeExpr)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00107">CaseExpr.java:107</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type_html_a6abc12c804b16fb0cb4efeb9c3b41969"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a6abc12c804b16fb0cb4efeb9c3b41969">com.cloudera.impala.catalog.Type.isImplicitlyCastable</a></div><div class="ttdeci">static boolean isImplicitlyCastable(Type t1, Type t2)</div><div class="ttdef"><b>Definition:</b> <a href="Type_8java_source.html#l00259">Type.java:259</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">com.cloudera.impala.analysis.Expr</a></div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00048">Expr.java:48</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_ac3b6c25883f889b3bb992d5239d56576"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ac3b6c25883f889b3bb992d5239d56576">com.cloudera.impala.analysis.CaseExpr.isCase</a></div><div class="ttdeci">boolean isCase()</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00329">CaseExpr.java:329</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_ab1fff80d4023e8f93e42b230550917db"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ab1fff80d4023e8f93e42b230550917db">com.cloudera.impala.analysis.Expr.type_</a></div><div class="ttdeci">Type type_</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00142">Expr.java:142</a></div></div> |
| <div class="ttc" id="namespaceimpala_html_aa5bce0d3309643287a67504146c2f871"><div class="ttname"><a href="namespaceimpala.html#aa5bce0d3309643287a67504146c2f871">impala::PrimitiveType</a></div><div class="ttdeci">PrimitiveType</div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00027">types.h:27</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Analyzer_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Analyzer.html">com.cloudera.impala.analysis.Analyzer</a></div><div class="ttdef"><b>Definition:</b> <a href="Analyzer_8java_source.html#l00105">Analyzer.java:105</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_a8b745173008a9c04bd8892ca365d24af"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a8b745173008a9c04bd8892ca365d24af">com.cloudera.impala.analysis.Expr.isAnalyzed_</a></div><div class="ttdeci">boolean isAnalyzed_</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00143">Expr.java:143</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseWhenClause_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseWhenClause.html">com.cloudera.impala.analysis.CaseWhenClause</a></div><div class="ttdef"><b>Definition:</b> <a href="CaseWhenClause_8java_source.html#l00022">CaseWhenClause.java:22</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_ad116780317fddb7964b070be61cb47ba"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ad116780317fddb7964b070be61cb47ba">com.cloudera.impala.analysis.CaseExpr.analyze</a></div><div class="ttdeci">void analyze(Analyzer analyzer)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00216">CaseExpr.java:216</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_a4afe8502009802e5c2c0247c161e0e0f"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a4afe8502009802e5c2c0247c161e0e0f">com.cloudera.impala.analysis.Expr.getBuiltinFunction</a></div><div class="ttdeci">Function getBuiltinFunction(Analyzer analyzer, String name, Type[] argTypes, CompareMode mode)</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00290">Expr.java:290</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_ab1754bc6211780eaa0fec1603d71743e"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#ab1754bc6211780eaa0fec1603d71743e">com.cloudera.impala.analysis.CaseExpr.initBuiltins</a></div><div class="ttdeci">static void initBuiltins(Db db)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00160">CaseExpr.java:160</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_a5517fff43b927bac45351cbef495f666"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a5517fff43b927bac45351cbef495f666">com.cloudera.impala.analysis.Expr.isNullLiteral</a></div><div class="ttdeci">boolean isNullLiteral()</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00926">Expr.java:926</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a4415b58aa036556d3085383dcbed74ad"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a4415b58aa036556d3085383dcbed74ad">com.cloudera.impala.analysis.CaseExpr.hasCaseExpr_</a></div><div class="ttdeci">boolean hasCaseExpr_</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00070">CaseExpr.java:70</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CompoundPredicate_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CompoundPredicate.html">com.cloudera.impala.analysis.CompoundPredicate</a></div><div class="ttdef"><b>Definition:</b> <a href="CompoundPredicate_8java_source.html#l00035">CompoundPredicate.java:35</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Db.html">com.cloudera.impala.catalog.Db</a></div><div class="ttdef"><b>Definition:</b> <a href="Db_8java_source.html#l00044">Db.java:44</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a6347941e7247c4c81b1e71299e37bd21"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a6347941e7247c4c81b1e71299e37bd21">com.cloudera.impala.analysis.CaseExpr.clone</a></div><div class="ttdeci">Expr clone()</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00333">CaseExpr.java:333</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a2d70fbd88e813030d9f99bbc4da9de98"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2d70fbd88e813030d9f99bbc4da9de98">com.cloudera.impala.analysis.CaseExpr.toCaseSql</a></div><div class="ttdeci">String toCaseSql()</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00192">CaseExpr.java:192</a></div></div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1PrimitiveType_html"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1PrimitiveType.html">com.cloudera.impala.catalog.PrimitiveType</a></div><div class="ttdef"><b>Definition:</b> <a href="PrimitiveType_8java_source.html#l00022">PrimitiveType.java:22</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_ae40c450c70243d758395cec36179d49a"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ae40c450c70243d758395cec36179d49a">com.cloudera.impala.analysis.Expr.castChild</a></div><div class="ttdeci">void castChild(Type targetType, int childIndex)</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l01008">Expr.java:1008</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a79fb8049a5c923af6858ab38363565d3"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a79fb8049a5c923af6858ab38363565d3">com.cloudera.impala.analysis.CaseExpr.equals</a></div><div class="ttdeci">boolean equals(Object obj)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00178">CaseExpr.java:178</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html">com.cloudera.impala.analysis.CaseExpr</a></div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00065">CaseExpr.java:65</a></div></div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode_html"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode.html">com.cloudera.impala.catalog.Function.CompareMode</a></div><div class="ttdef"><b>Definition:</b> <a href="Function_8java_source.html#l00049">Function.java:49</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a769ffcdc8782aabdc100b7da121f9d91"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a769ffcdc8782aabdc100b7da121f9d91">com.cloudera.impala.analysis.CaseExpr.toThrift</a></div><div class="ttdeci">void toThrift(TExprNode msg)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00210">CaseExpr.java:210</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_aee5a53d62e4ae89a91437076f420a618"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#aee5a53d62e4ae89a91437076f420a618">com.cloudera.impala.analysis.CaseExpr.CaseExpr</a></div><div class="ttdeci">CaseExpr(CaseExpr other)</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00153">CaseExpr.java:153</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type_html_a8058dddd0b735b08fd1de5924c1d52eb"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a8058dddd0b735b08fd1de5924c1d52eb">com.cloudera.impala.catalog.Type.isNull</a></div><div class="ttdeci">boolean isNull()</div><div class="ttdef"><b>Definition:</b> <a href="Type_8java_source.html#l00123">Type.java:123</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarType_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1ScalarType.html">com.cloudera.impala.catalog.ScalarType</a></div><div class="ttdef"><b>Definition:</b> <a href="ScalarType_8java_source.html#l00034">ScalarType.java:34</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr_html_a2e05a7bd69ca6e07e8f64c8a38988b65"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1CaseExpr.html#a2e05a7bd69ca6e07e8f64c8a38988b65">com.cloudera.impala.analysis.CaseExpr.isDecode</a></div><div class="ttdeci">boolean isDecode()</div><div class="ttdef"><b>Definition:</b> <a href="CaseExpr_8java_source.html#l00330">CaseExpr.java:330</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type_html_a20a83d3286c8e99ff7363a205ec27cf9"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Type.html#a20a83d3286c8e99ff7363a205ec27cf9">com.cloudera.impala.catalog.Type.getSupportedTypes</a></div><div class="ttdeci">static ArrayList< ScalarType > getSupportedTypes()</div><div class="ttdef"><b>Definition:</b> <a href="Type_8java_source.html#l00109">Type.java:109</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_abdb99180feed7a64ec44fdf41f9c9e3e"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#abdb99180feed7a64ec44fdf41f9c9e3e">com.cloudera.impala.analysis.Expr.castChildCharsToStrings</a></div><div class="ttdeci">void castChildCharsToStrings(Analyzer analyzer)</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00277">Expr.java:277</a></div></div> |
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