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| <div class="title">IsNullPredicate.java</div> </div> |
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| <a href="IsNullPredicate_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> <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="l00018"></a><span class="lineno"> 18</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Function.html">com.cloudera.impala.catalog.Function</a>;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</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="l00020"></a><span class="lineno"> 20</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="l00021"></a><span class="lineno"> 21</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="l00022"></a><span class="lineno"> 22</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">com.cloudera.impala.catalog.Table</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_1Type.html">com.cloudera.impala.catalog.Type</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_1common_1_1AnalysisException.html">com.cloudera.impala.common.AnalysisException</a>;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">import</span> com.cloudera.impala.common.Reference;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TExprNode;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TExprNodeType;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">import</span> com.google.common.base.Objects;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">import</span> com.google.common.base.Preconditions;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">import</span> com.google.common.collect.Lists;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html"> 32</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html">IsNullPredicate</a> <span class="keyword">extends</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Predicate.html">Predicate</a> {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b"> 33</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a326c08d27f91c5f2e4b8745eaa4b9be6"> 35</a></span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a326c08d27f91c5f2e4b8745eaa4b9be6">IS_NULL</a> = <span class="stringliteral">"is_null_pred"</span>;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ab76f236ed2d88a31ba0e880a8aeed6e3"> 36</a></span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ab76f236ed2d88a31ba0e880a8aeed6e3">IS_NOT_NULL</a> = <span class="stringliteral">"is_not_null_pred"</span>;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a1a8bc40fc0139b3b4d263247e5bd08c0"> 38</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a1a8bc40fc0139b3b4d263247e5bd08c0">IsNullPredicate</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> e, <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a9dd06d2b077ce29826451b880ca5c8fc">isNotNull</a>) {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  super();</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  this.isNotNull_ = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a9dd06d2b077ce29826451b880ca5c8fc">isNotNull</a>;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  Preconditions.checkNotNull(e);</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  children_.add(e);</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a85452f633d4853085845a7e572f50ae5"> 48</a></span>  <span class="keyword">protected</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a85452f633d4853085845a7e572f50ae5">IsNullPredicate</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html">IsNullPredicate</a> other) {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  super(other);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a> = other.isNotNull_;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a9dd06d2b077ce29826451b880ca5c8fc"> 53</a></span>  <span class="keyword">public</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a9dd06d2b077ce29826451b880ca5c8fc">isNotNull</a>() { <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>; }</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#af68b2786cbc8de93895a6011e36fba1e"> 55</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_1IsNullPredicate.html#af68b2786cbc8de93895a6011e36fba1e">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="l00056"></a><span class="lineno"> 56</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="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> (t.isNull()) <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  String isNullSymbol;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (t.isBoolean()) {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  isNullSymbol = <span class="stringliteral">"_ZN6impala15IsNullPredicate6IsNullIN10impala_udf10BooleanValE"</span> +</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="stringliteral">"EES3_PNS2_15FunctionContextERKT_"</span>;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  String udfType = Function.getUdfType(t);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  isNullSymbol = <span class="stringliteral">"_ZN6impala15IsNullPredicate6IsNullIN10impala_udf"</span> +</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  udfType.length() + udfType +</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="stringliteral">"EEENS2_10BooleanValEPNS2_15FunctionContextERKT_"</span>;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  db.addBuiltin(ScalarFunction.createBuiltinOperator(</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a326c08d27f91c5f2e4b8745eaa4b9be6">IS_NULL</a>, isNullSymbol, Lists.newArrayList(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#a37db9c01d07455b2b47d3fa9b678e661">BOOLEAN</a>));</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  String isNotNullSymbol = isNullSymbol.replace(<span class="stringliteral">"6IsNull"</span>, <span class="stringliteral">"9IsNotNull"</span>);</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  db.addBuiltin(ScalarFunction.createBuiltinOperator(</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ab76f236ed2d88a31ba0e880a8aeed6e3">IS_NOT_NULL</a>, isNotNullSymbol, Lists.newArrayList(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#a37db9c01d07455b2b47d3fa9b678e661">BOOLEAN</a>));</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  @Override</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#acf33d40f0bbd3a4f0dddf3baaa2200e2"> 78</a></span>  <span class="keyword">public</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#acf33d40f0bbd3a4f0dddf3baaa2200e2">equals</a>(Object obj) {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</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="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> ((<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html">IsNullPredicate</a>) obj).<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a> == <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  @Override</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a14444e4c1aa36ee1fbe331f90be529b3"> 84</a></span>  <span class="keyword">public</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a14444e4c1aa36ee1fbe331f90be529b3">toSqlImpl</a>() {</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> getChild(0).toSql() + (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a> ? <span class="stringliteral">" IS NOT NULL"</span> : <span class="stringliteral">" IS NULL"</span>);</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  @Override</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ad662b5513d3169777d7bf07e8c75257b"> 89</a></span>  <span class="keyword">public</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ad662b5513d3169777d7bf07e8c75257b">debugString</a>() {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> Objects.toStringHelper(<span class="keyword">this</span>)</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  .add(<span class="stringliteral">"notNull"</span>, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>)</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  .addValue(super.debugString())</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  .toString();</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  @Override</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a05312ad9633d497b39979642c065e371"> 97</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a05312ad9633d497b39979642c065e371">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="l00098"></a><span class="lineno"> 98</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="l00099"></a><span class="lineno"> 99</span>  super.analyze(analyzer);</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (contains(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Subquery.html">Subquery</a>.class)) {</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (getChild(0) instanceof <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1ExistsPredicate.html">ExistsPredicate</a>) {</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// Replace the EXISTS subquery with a BoolLiteral as it can never return</span></div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// a null value.</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  setChild(0, <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral.html">BoolLiteral</a>(<span class="keyword">true</span>));</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  getChild(0).analyze(analyzer);</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!getChild(0).contains(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#af80b4b73970c2c821f4bc421889ea486">Expr.IS_SCALAR_SUBQUERY</a>)) {</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// We only support scalar subqueries in an IS NULL predicate because</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// they can be rewritten into a join.</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// TODO: Add support for InPredicates and BinaryPredicates with</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// subqueries when we implement independent subquery evaluation.</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// TODO: Handle arbitrary UDA/Udfs</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</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">"Unsupported IS NULL predicate that contains "</span> +</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="stringliteral">"a subquery: "</span> + <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a14444e4c1aa36ee1fbe331f90be529b3">toSqlImpl</a>());</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Make sure the BE never sees TYPE_NULL</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (getChild(0).<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa13f302aaf889778a8f16beb116d4292">getType</a>().isNull()) {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a88ffa0224c13f91c2a3d52aeedce90a8">uncheckedCastChild</a>(<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>, 0);</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>) {</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</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>(</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  analyzer, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ab76f236ed2d88a31ba0e880a8aeed6e3">IS_NOT_NULL</a>, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ad510c64d9abd6e862ce56aa0f00952ff">collectChildReturnTypes</a>(), <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#a1da5ffe6bd07ee241992a9a4d8af190b">IS_IDENTICAL</a>);</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</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>(</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  analyzer, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a326c08d27f91c5f2e4b8745eaa4b9be6">IS_NULL</a>, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ad510c64d9abd6e862ce56aa0f00952ff">collectChildReturnTypes</a>(), <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#a1da5ffe6bd07ee241992a9a4d8af190b">IS_IDENTICAL</a>);</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// determine selectivity</span></div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// TODO: increase this to make sure we don't end up favoring broadcast joins</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// due to underestimated cardinalities?</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa5d283a7f9723ed2032a70aca37e7405">selectivity_</a> = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a06c179bf6e304dbf5224f68e5974d5ae">DEFAULT_SELECTIVITY</a>;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  Reference<SlotRef> slotRefRef = <span class="keyword">new</span> Reference<SlotRef>();</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Predicate.html#a9a3908069f136aa496e92f97a847314f">isSingleColumnPredicate</a>(slotRefRef, null)) {</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor.html">SlotDescriptor</a> slotDesc = slotRefRef.getRef().getDesc();</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (!slotDesc.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor.html#a2c8db8493fa2bfd975c826cc32d4f7d6">getStats</a>().hasNulls()) <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">Table</a> table = slotDesc.getParent().getTable();</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (table != null && table.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html#a9932e1b9a3efa22bb992d270ee857b29">getNumRows</a>() > 0) {</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">long</span> numRows = table.getNumRows();</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>) {</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa5d283a7f9723ed2032a70aca37e7405">selectivity_</a> =</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  (double) (numRows - slotDesc.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor.html#a2c8db8493fa2bfd975c826cc32d4f7d6">getStats</a>().getNumNulls()) / (double) numRows;</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa5d283a7f9723ed2032a70aca37e7405">selectivity_</a> = (double) slotDesc.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor.html#a2c8db8493fa2bfd975c826cc32d4f7d6">getStats</a>().getNumNulls() / (<span class="keywordtype">double</span>) numRows;</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>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa5d283a7f9723ed2032a70aca37e7405">selectivity_</a> = Math.max(0.0, Math.min(1.0, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa5d283a7f9723ed2032a70aca37e7405">selectivity_</a>));</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  @Override</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a726b855b708c97145ae58c1a1eef896c"> 154</a></span>  <span class="keyword">protected</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a726b855b708c97145ae58c1a1eef896c">toThrift</a>(TExprNode msg) {</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  msg.node_type = TExprNodeType.FUNCTION_CALL;</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * If predicate is of the form "<SlotRef> IS [NOT] NULL", returns the</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * SlotRef.</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  @Override</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ac8c3c9138c219408e9ef85c9dc38ac45"> 163</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotRef.html">SlotRef</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ac8c3c9138c219408e9ef85c9dc38ac45">getBoundSlot</a>() {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> getChild(0).unwrapSlotRef(<span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  @Override</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aebbee45cae1aee8ba6b9549727e3eaae"> 171</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_1IsNullPredicate.html#aebbee45cae1aee8ba6b9549727e3eaae">negate</a>() {</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a1a8bc40fc0139b3b4d263247e5bd08c0">IsNullPredicate</a>(getChild(0), !<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">isNotNull_</a>);</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</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>  @Override</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aff7720a0d0f133f57507f19098c5be50"> 176</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_1IsNullPredicate.html#aff7720a0d0f133f57507f19098c5be50">clone</a>() { <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a1a8bc40fc0139b3b4d263247e5bd08c0">IsNullPredicate</a>(<span class="keyword">this</span>); }</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> }</div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1ExistsPredicate_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1ExistsPredicate.html">com.cloudera.impala.analysis.ExistsPredicate</a></div><div class="ttdef"><b>Definition:</b> <a href="ExistsPredicate_8java_source.html#l00027">ExistsPredicate.java:27</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_aff7720a0d0f133f57507f19098c5be50"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aff7720a0d0f133f57507f19098c5be50">com.cloudera.impala.analysis.IsNullPredicate.clone</a></div><div class="ttdeci">Expr clone()</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00176">IsNullPredicate.java:176</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_a88ffa0224c13f91c2a3d52aeedce90a8"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a88ffa0224c13f91c2a3d52aeedce90a8">com.cloudera.impala.analysis.Expr.uncheckedCastChild</a></div><div class="ttdeci">void uncheckedCastChild(Type targetType, int childIndex)</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l01024">Expr.java:1024</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_1catalog_1_1Table_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">com.cloudera.impala.catalog.Table</a></div><div class="ttdef"><b>Definition:</b> <a href="Table_8java_source.html#l00051">Table.java:51</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_aedccc3413489f97ca629fb49184f820b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aedccc3413489f97ca629fb49184f820b">com.cloudera.impala.analysis.IsNullPredicate.isNotNull_</a></div><div class="ttdeci">final boolean isNotNull_</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00033">IsNullPredicate.java:33</a></div></div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode_html_a1da5ffe6bd07ee241992a9a4d8af190b"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_1_1CompareMode.html#a1da5ffe6bd07ee241992a9a4d8af190b">com.cloudera.impala.catalog.Function.CompareMode.IS_IDENTICAL</a></div><div class="ttdeci">IS_IDENTICAL</div><div class="ttdef"><b>Definition:</b> <a href="Function_8java_source.html#l00052">Function.java:52</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor_html_a2c8db8493fa2bfd975c826cc32d4f7d6"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor.html#a2c8db8493fa2bfd975c826cc32d4f7d6">com.cloudera.impala.analysis.SlotDescriptor.getStats</a></div><div class="ttdeci">ColumnStats getStats()</div><div class="ttdef"><b>Definition:</b> <a href="SlotDescriptor_8java_source.html#l00129">SlotDescriptor.java:129</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_a85452f633d4853085845a7e572f50ae5"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a85452f633d4853085845a7e572f50ae5">com.cloudera.impala.analysis.IsNullPredicate.IsNullPredicate</a></div><div class="ttdeci">IsNullPredicate(IsNullPredicate other)</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00048">IsNullPredicate.java:48</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_1IsNullPredicate_html_a05312ad9633d497b39979642c065e371"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a05312ad9633d497b39979642c065e371">com.cloudera.impala.analysis.IsNullPredicate.analyze</a></div><div class="ttdeci">void analyze(Analyzer analyzer)</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00097">IsNullPredicate.java:97</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="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_a14444e4c1aa36ee1fbe331f90be529b3"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a14444e4c1aa36ee1fbe331f90be529b3">com.cloudera.impala.analysis.IsNullPredicate.toSqlImpl</a></div><div class="ttdeci">String toSqlImpl()</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00084">IsNullPredicate.java:84</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_1catalog_1_1Table_html_a9932e1b9a3efa22bb992d270ee857b29"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html#a9932e1b9a3efa22bb992d270ee857b29">com.cloudera.impala.catalog.Table.getNumRows</a></div><div class="ttdeci">long getNumRows()</div><div class="ttdef"><b>Definition:</b> <a href="Table_8java_source.html#l00404">Table.java:404</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_ac8c3c9138c219408e9ef85c9dc38ac45"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ac8c3c9138c219408e9ef85c9dc38ac45">com.cloudera.impala.analysis.IsNullPredicate.getBoundSlot</a></div><div class="ttdeci">SlotRef getBoundSlot()</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00163">IsNullPredicate.java:163</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_1analysis_1_1SlotRef_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotRef.html">com.cloudera.impala.analysis.SlotRef</a></div><div class="ttdef"><b>Definition:</b> <a href="SlotRef_8java_source.html#l00035">SlotRef.java:35</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_1IsNullPredicate_html_a9dd06d2b077ce29826451b880ca5c8fc"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a9dd06d2b077ce29826451b880ca5c8fc">com.cloudera.impala.analysis.IsNullPredicate.isNotNull</a></div><div class="ttdeci">boolean isNotNull()</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00053">IsNullPredicate.java:53</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_1Predicate_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Predicate.html">com.cloudera.impala.analysis.Predicate</a></div><div class="ttdef"><b>Definition:</b> <a href="Predicate_8java_source.html#l00029">Predicate.java:29</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_ad510c64d9abd6e862ce56aa0f00952ff"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#ad510c64d9abd6e862ce56aa0f00952ff">com.cloudera.impala.analysis.Expr.collectChildReturnTypes</a></div><div class="ttdeci">Type[] collectChildReturnTypes()</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00266">Expr.java:266</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral.html">com.cloudera.impala.analysis.BoolLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="BoolLiteral_8java_source.html#l00024">BoolLiteral.java:24</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_af68b2786cbc8de93895a6011e36fba1e"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#af68b2786cbc8de93895a6011e36fba1e">com.cloudera.impala.analysis.IsNullPredicate.initBuiltins</a></div><div class="ttdeci">static void initBuiltins(Db db)</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00055">IsNullPredicate.java:55</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_1IsNullPredicate_html_ab76f236ed2d88a31ba0e880a8aeed6e3"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ab76f236ed2d88a31ba0e880a8aeed6e3">com.cloudera.impala.analysis.IsNullPredicate.IS_NOT_NULL</a></div><div class="ttdeci">static final String IS_NOT_NULL</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00036">IsNullPredicate.java:36</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SlotDescriptor.html">com.cloudera.impala.analysis.SlotDescriptor</a></div><div class="ttdef"><b>Definition:</b> <a href="SlotDescriptor_8java_source.html#l00029">SlotDescriptor.java:29</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_a1a8bc40fc0139b3b4d263247e5bd08c0"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a1a8bc40fc0139b3b4d263247e5bd08c0">com.cloudera.impala.analysis.IsNullPredicate.IsNullPredicate</a></div><div class="ttdeci">IsNullPredicate(Expr e, boolean isNotNull)</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00038">IsNullPredicate.java:38</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Function_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Function.html">com.cloudera.impala.catalog.Function</a></div><div class="ttdef"><b>Definition:</b> <a href="Function_8java_source.html#l00041">Function.java:41</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_a326c08d27f91c5f2e4b8745eaa4b9be6"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a326c08d27f91c5f2e4b8745eaa4b9be6">com.cloudera.impala.analysis.IsNullPredicate.IS_NULL</a></div><div class="ttdeci">static final String IS_NULL</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00035">IsNullPredicate.java:35</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_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_1Expr_html_aa5d283a7f9723ed2032a70aca37e7405"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#aa5d283a7f9723ed2032a70aca37e7405">com.cloudera.impala.analysis.Expr.selectivity_</a></div><div class="ttdeci">double selectivity_</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00153">Expr.java:153</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_ad662b5513d3169777d7bf07e8c75257b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#ad662b5513d3169777d7bf07e8c75257b">com.cloudera.impala.analysis.IsNullPredicate.debugString</a></div><div class="ttdeci">String debugString()</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00089">IsNullPredicate.java:89</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_1Subquery_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Subquery.html">com.cloudera.impala.analysis.Subquery</a></div><div class="ttdef"><b>Definition:</b> <a href="Subquery_8java_source.html#l00036">Subquery.java:36</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Predicate_html_a9a3908069f136aa496e92f97a847314f"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Predicate.html#a9a3908069f136aa496e92f97a847314f">com.cloudera.impala.analysis.Predicate.isSingleColumnPredicate</a></div><div class="ttdeci">boolean isSingleColumnPredicate(Reference< SlotRef > slotRefRef, Reference< Integer > idxRef)</div><div class="ttdef"><b>Definition:</b> <a href="Predicate_8java_source.html#l00064">Predicate.java:64</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate_html_aebbee45cae1aee8ba6b9549727e3eaae"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#aebbee45cae1aee8ba6b9549727e3eaae">com.cloudera.impala.analysis.IsNullPredicate.negate</a></div><div class="ttdeci">Expr negate()</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00171">IsNullPredicate.java:171</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_af80b4b73970c2c821f4bc421889ea486"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#af80b4b73970c2c821f4bc421889ea486">com.cloudera.impala.analysis.Expr.IS_SCALAR_SUBQUERY</a></div><div class="ttdeci">static final com.google.common.base.Predicate< Expr > IS_SCALAR_SUBQUERY</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00095">Expr.java:95</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_1IsNullPredicate_html_acf33d40f0bbd3a4f0dddf3baaa2200e2"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#acf33d40f0bbd3a4f0dddf3baaa2200e2">com.cloudera.impala.analysis.IsNullPredicate.equals</a></div><div class="ttdeci">boolean equals(Object obj)</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00078">IsNullPredicate.java:78</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_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_1IsNullPredicate_html_a726b855b708c97145ae58c1a1eef896c"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1IsNullPredicate.html#a726b855b708c97145ae58c1a1eef896c">com.cloudera.impala.analysis.IsNullPredicate.toThrift</a></div><div class="ttdeci">void toThrift(TExprNode msg)</div><div class="ttdef"><b>Definition:</b> <a href="IsNullPredicate_8java_source.html#l00154">IsNullPredicate.java:154</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_a06c179bf6e304dbf5224f68e5974d5ae"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#a06c179bf6e304dbf5224f68e5974d5ae">com.cloudera.impala.analysis.Expr.DEFAULT_SELECTIVITY</a></div><div class="ttdeci">static double DEFAULT_SELECTIVITY</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00063">Expr.java:63</a></div></div> |
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