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<div class="title">uda-sample-test.cc</div> </div>
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<a href="uda-sample-test_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="uda-test-harness_8h.html">udf/uda-test-harness.h</a>&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="uda-sample_8h.html">uda-sample.h</a>&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="names_8h.html">common/names.h</a>&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">using namespace </span>impala;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">using namespace </span>impala_udf;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="uda-sample-test_8cc.html#aa72265d1f480a6f4a884ecf1a0c57d8d"> 25</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="uda-sample-test_8cc.html#aa72265d1f480a6f4a884ecf1a0c57d8d">TestCount</a>() {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="comment">// Use the UDA test harness to validate the COUNT UDA.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <a class="code" href="classimpala__udf_1_1UdaTestHarness.html">UdaTestHarness&lt;BigIntVal, BigIntVal, IntVal&gt;</a> test(</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <a class="code" href="uda-test_8cc.html#ab0fcda6069e5bbd8fcc92cff662d4eb9">CountInit</a>, <a class="code" href="uda-test_8cc.html#af4dbe44a1ba19bdd6c84c94917948848">CountUpdate</a>, <a class="code" href="uda-test_8cc.html#aac8e236fb6db26d075c6c434266c5b53">CountMerge</a>, NULL, <a class="code" href="uda-test_8cc.html#aad20429b2909a2803de721afa4e1cca2">CountFinalize</a>);</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="comment">// Run the UDA over 10000 non-null values</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; vector&lt;IntVal&gt; no_nulls;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; no_nulls.resize(10000);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">if</span> (!test.<a class="code" href="classimpala__udf_1_1UdaTestHarness.html#af5fac42094b6a9740adc4ea77d35d763">Execute</a>(no_nulls, <a class="code" href="structimpala__udf_1_1BigIntVal.html">BigIntVal</a>(no_nulls.size()))) {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; cerr &lt;&lt; test.<a class="code" href="classimpala__udf_1_1UdaTestHarnessBase.html#a3a7419462c0f53dd357c4280fac4cbea">GetErrorMsg</a>() &lt;&lt; endl;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="comment">// Run the UDA with some nulls</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; vector&lt;IntVal&gt; some_nulls;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; some_nulls.resize(10000);</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordtype">int</span> expected = some_nulls.size();</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; some_nulls.size(); i += 100) {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; some_nulls[i] = IntVal::null();</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; --expected;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">if</span> (!test.<a class="code" href="classimpala__udf_1_1UdaTestHarness.html#af5fac42094b6a9740adc4ea77d35d763">Execute</a>(some_nulls, <a class="code" href="structimpala__udf_1_1BigIntVal.html">BigIntVal</a>(expected))) {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; cerr &lt;&lt; test.<a class="code" href="classimpala__udf_1_1UdaTestHarnessBase.html#a3a7419462c0f53dd357c4280fac4cbea">GetErrorMsg</a>() &lt;&lt; endl;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; }</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;}</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="uda-sample-test_8cc.html#a9d89a9734ae3c003d7ae7d7f8a410109"> 54</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="uda-sample-test_8cc.html#a9d89a9734ae3c003d7ae7d7f8a410109">TestAvg</a>() {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="classimpala__udf_1_1UdaTestHarness.html">UdaTestHarness&lt;DoubleVal, BufferVal, DoubleVal&gt;</a> test(</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="uda-sample_8cc.html#a39881c9365b577a6949a5d179c071abb">AvgInit</a>, <a class="code" href="uda-sample_8cc.html#a6555cbf9baa7a356fc1de6c595f3d48d">AvgUpdate</a>, <a class="code" href="uda-sample_8cc.html#ae22def6c9bc2f969f82012a45cab2e7e">AvgMerge</a>, NULL, <a class="code" href="uda-sample_8cc.html#a1ff44126e5fd1eede5c1863af268435d">AvgFinalize</a>);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; test.<a class="code" href="classimpala__udf_1_1UdaTestHarnessBase.html#a9b37227a3ff36c97bb077607e4e594ac">SetIntermediateSize</a>(16);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; vector&lt;DoubleVal&gt; vals;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 1001; ++i) {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; vals.push_back(<a class="code" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a>(i));</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">if</span> (!test.<a class="code" href="classimpala__udf_1_1UdaTestHarness.html#af5fac42094b6a9740adc4ea77d35d763">Execute</a>&lt;<a class="code" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a>&gt;(vals, <a class="code" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a>(500))) {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; cerr &lt;&lt; test.<a class="code" href="classimpala__udf_1_1UdaTestHarnessBase.html#a3a7419462c0f53dd357c4280fac4cbea">GetErrorMsg</a>() &lt;&lt; endl;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;}</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="uda-sample-test_8cc.html#a0118959f2dacab27a0976f5a385a65a2"> 70</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="uda-sample-test_8cc.html#a0118959f2dacab27a0976f5a385a65a2">TestStringConcat</a>() {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">// Use the UDA test harness to validate the COUNT UDA.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <a class="code" href="classimpala__udf_1_1UdaTestHarness2.html">UdaTestHarness2&lt;StringVal, StringVal, StringVal, StringVal&gt;</a> test(</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="uda-sample_8cc.html#a1beb385e2adb1c750336e51e4feb6390">StringConcatInit</a>, <a class="code" href="uda-sample_8cc.html#a9a5c023bfcf2f10968d52724590fbc9b">StringConcatUpdate</a>, <a class="code" href="uda-sample_8cc.html#a3ed721587b9868912f96ced1b1691f0f">StringConcatMerge</a>, NULL,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <a class="code" href="uda-sample_8cc.html#adb989c3d19aa394888bfe5722c835c28">StringConcatFinalize</a>);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; vector&lt;StringVal&gt; values;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; values.push_back(<span class="stringliteral">&quot;Hello&quot;</span>);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; values.push_back(<span class="stringliteral">&quot;World&quot;</span>);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; vector&lt;StringVal&gt; separators;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; values.size(); ++i) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; separators.push_back(<span class="stringliteral">&quot;,&quot;</span>);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">if</span> (!test.<a class="code" href="classimpala__udf_1_1UdaTestHarness2.html#a5eb650d5dd1d062e00df419f56652f8b">Execute</a>(values, separators, <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a>(<span class="stringliteral">&quot;Hello,World&quot;</span>))) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; cerr &lt;&lt; test.<a class="code" href="classimpala__udf_1_1UdaTestHarnessBase.html#a3a7419462c0f53dd357c4280fac4cbea">GetErrorMsg</a>() &lt;&lt; endl;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;}</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="uda-sample-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627"> 92</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="uda-sample-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordtype">bool</span> passed = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; passed &amp;= <a class="code" href="uda-sample-test_8cc.html#aa72265d1f480a6f4a884ecf1a0c57d8d">TestCount</a>();</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; passed &amp;= <a class="code" href="uda-sample-test_8cc.html#a9d89a9734ae3c003d7ae7d7f8a410109">TestAvg</a>();</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; passed &amp;= <a class="code" href="uda-sample-test_8cc.html#a0118959f2dacab27a0976f5a385a65a2">TestStringConcat</a>();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; cerr &lt;&lt; (passed ? <span class="stringliteral">&quot;Tests passed.&quot;</span> : <span class="stringliteral">&quot;Tests failed.&quot;</span>) &lt;&lt; endl;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;}</div>
<div class="ttc" id="uda-sample-test_8cc_html_aa72265d1f480a6f4a884ecf1a0c57d8d"><div class="ttname"><a href="uda-sample-test_8cc.html#aa72265d1f480a6f4a884ecf1a0c57d8d">TestCount</a></div><div class="ttdeci">bool TestCount()</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample-test_8cc_source.html#l00025">uda-sample-test.cc:25</a></div></div>
<div class="ttc" id="classimpala__udf_1_1UdaTestHarnessBase_html_a9b37227a3ff36c97bb077607e4e594ac"><div class="ttname"><a href="classimpala__udf_1_1UdaTestHarnessBase.html#a9b37227a3ff36c97bb077607e4e594ac">impala_udf::UdaTestHarnessBase::SetIntermediateSize</a></div><div class="ttdeci">void SetIntermediateSize(int byte_size)</div><div class="ttdoc">This must be called if the INTERMEDIATE is TYPE_FIXED_BUFFER. </div><div class="ttdef"><b>Definition:</b> <a href="uda-test-harness_8h_source.html#l00062">uda-test-harness.h:62</a></div></div>
<div class="ttc" id="classimpala__udf_1_1UdaTestHarness2_html_a5eb650d5dd1d062e00df419f56652f8b"><div class="ttname"><a href="classimpala__udf_1_1UdaTestHarness2.html#a5eb650d5dd1d062e00df419f56652f8b">impala_udf::UdaTestHarness2::Execute</a></div><div class="ttdeci">bool Execute(const std::vector&lt; INPUT1 &gt; &amp;values1, const std::vector&lt; INPUT2 &gt; &amp;values2, const RESULT &amp;expected, UdaExecutionMode mode=ALL)</div><div class="ttdoc">Runs the UDA in all the modes, validating the result is &#39;expected&#39; each time. </div><div class="ttdef"><b>Definition:</b> <a href="uda-test-harness-impl_8h_source.html#l00349">uda-test-harness-impl.h:349</a></div></div>
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<div class="ttc" id="uda-test_8cc_html_af4dbe44a1ba19bdd6c84c94917948848"><div class="ttname"><a href="uda-test_8cc.html#af4dbe44a1ba19bdd6c84c94917948848">CountUpdate</a></div><div class="ttdeci">void CountUpdate(FunctionContext *context, const IntVal &amp;input, BigIntVal *val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-test_8cc_source.html#l00039">uda-test.cc:39</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_a9a5c023bfcf2f10968d52724590fbc9b"><div class="ttname"><a href="uda-sample_8cc.html#a9a5c023bfcf2f10968d52724590fbc9b">StringConcatUpdate</a></div><div class="ttdeci">void StringConcatUpdate(FunctionContext *context, const StringVal &amp;arg1, const StringVal &amp;arg2, StringVal *val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00083">uda-sample.cc:83</a></div></div>
<div class="ttc" id="structimpala__udf_1_1DoubleVal_html"><div class="ttname"><a href="structimpala__udf_1_1DoubleVal.html">impala_udf::DoubleVal</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00475">udf.h:475</a></div></div>
<div class="ttc" id="uda-sample-test_8cc_html_a9d89a9734ae3c003d7ae7d7f8a410109"><div class="ttname"><a href="uda-sample-test_8cc.html#a9d89a9734ae3c003d7ae7d7f8a410109">TestAvg</a></div><div class="ttdeci">bool TestAvg()</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample-test_8cc_source.html#l00054">uda-sample-test.cc:54</a></div></div>
<div class="ttc" id="uda-sample-test_8cc_html_a0118959f2dacab27a0976f5a385a65a2"><div class="ttname"><a href="uda-sample-test_8cc.html#a0118959f2dacab27a0976f5a385a65a2">TestStringConcat</a></div><div class="ttdeci">bool TestStringConcat()</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample-test_8cc_source.html#l00070">uda-sample-test.cc:70</a></div></div>
<div class="ttc" id="structimpala__udf_1_1StringVal_html"><div class="ttname"><a href="structimpala__udf_1_1StringVal.html">impala_udf::StringVal</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00521">udf.h:521</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_a3ed721587b9868912f96ced1b1691f0f"><div class="ttname"><a href="uda-sample_8cc.html#a3ed721587b9868912f96ced1b1691f0f">StringConcatMerge</a></div><div class="ttdeci">void StringConcatMerge(FunctionContext *context, const StringVal &amp;src, StringVal *dst)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00099">uda-sample.cc:99</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_a39881c9365b577a6949a5d179c071abb"><div class="ttname"><a href="uda-sample_8cc.html#a39881c9365b577a6949a5d179c071abb">AvgInit</a></div><div class="ttdeci">void AvgInit(FunctionContext *context, BufferVal *val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00049">uda-sample.cc:49</a></div></div>
<div class="ttc" id="uda-test_8cc_html_ab0fcda6069e5bbd8fcc92cff662d4eb9"><div class="ttname"><a href="uda-test_8cc.html#ab0fcda6069e5bbd8fcc92cff662d4eb9">CountInit</a></div><div class="ttdeci">void CountInit(FunctionContext *context, BigIntVal *val)</div><div class="ttdoc">This is an example of the COUNT aggregate function. </div><div class="ttdef"><b>Definition:</b> <a href="uda-test_8cc_source.html#l00034">uda-test.cc:34</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_adb989c3d19aa394888bfe5722c835c28"><div class="ttname"><a href="uda-sample_8cc.html#adb989c3d19aa394888bfe5722c835c28">StringConcatFinalize</a></div><div class="ttdeci">StringVal StringConcatFinalize(FunctionContext *context, const StringVal &amp;val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00104">uda-sample.cc:104</a></div></div>
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<div class="ttc" id="uda-test_8cc_html_aac8e236fb6db26d075c6c434266c5b53"><div class="ttname"><a href="uda-test_8cc.html#aac8e236fb6db26d075c6c434266c5b53">CountMerge</a></div><div class="ttdeci">void CountMerge(FunctionContext *context, const BigIntVal &amp;src, BigIntVal *dst)</div><div class="ttdef"><b>Definition:</b> <a href="uda-test_8cc_source.html#l00045">uda-test.cc:45</a></div></div>
<div class="ttc" id="structimpala__udf_1_1BigIntVal_html"><div class="ttname"><a href="structimpala__udf_1_1BigIntVal.html">impala_udf::BigIntVal</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00439">udf.h:439</a></div></div>
<div class="ttc" id="uda-sample-test_8cc_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="uda-sample-test_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample-test_8cc_source.html#l00092">uda-sample-test.cc:92</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_a1beb385e2adb1c750336e51e4feb6390"><div class="ttname"><a href="uda-sample_8cc.html#a1beb385e2adb1c750336e51e4feb6390">StringConcatInit</a></div><div class="ttdeci">void StringConcatInit(FunctionContext *context, StringVal *val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00079">uda-sample.cc:79</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_ae22def6c9bc2f969f82012a45cab2e7e"><div class="ttname"><a href="uda-sample_8cc.html#ae22def6c9bc2f969f82012a45cab2e7e">AvgMerge</a></div><div class="ttdeci">void AvgMerge(FunctionContext *context, const BufferVal &amp;src, BufferVal *dst)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00061">uda-sample.cc:61</a></div></div>
<div class="ttc" id="uda-test-harness_8h_html"><div class="ttname"><a href="uda-test-harness_8h.html">uda-test-harness.h</a></div></div>
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<div class="ttc" id="classimpala__udf_1_1UdaTestHarness_html"><div class="ttname"><a href="classimpala__udf_1_1UdaTestHarness.html">impala_udf::UdaTestHarness</a></div><div class="ttdef"><b>Definition:</b> <a href="uda-test-harness_8h_source.html#l00141">uda-test-harness.h:141</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_a6555cbf9baa7a356fc1de6c595f3d48d"><div class="ttname"><a href="uda-sample_8cc.html#a6555cbf9baa7a356fc1de6c595f3d48d">AvgUpdate</a></div><div class="ttdeci">void AvgUpdate(FunctionContext *context, const DoubleVal &amp;input, BufferVal *val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00054">uda-sample.cc:54</a></div></div>
<div class="ttc" id="classimpala__udf_1_1UdaTestHarnessBase_html_a3a7419462c0f53dd357c4280fac4cbea"><div class="ttname"><a href="classimpala__udf_1_1UdaTestHarnessBase.html#a3a7419462c0f53dd357c4280fac4cbea">impala_udf::UdaTestHarnessBase::GetErrorMsg</a></div><div class="ttdeci">const std::string &amp; GetErrorMsg() const </div><div class="ttdoc">Returns the failure string if any. </div><div class="ttdef"><b>Definition:</b> <a href="uda-test-harness_8h_source.html#l00067">uda-test-harness.h:67</a></div></div>
<div class="ttc" id="uda-sample_8cc_html_a1ff44126e5fd1eede5c1863af268435d"><div class="ttname"><a href="uda-sample_8cc.html#a1ff44126e5fd1eede5c1863af268435d">AvgFinalize</a></div><div class="ttdeci">DoubleVal AvgFinalize(FunctionContext *context, const BufferVal &amp;val)</div><div class="ttdef"><b>Definition:</b> <a href="uda-sample_8cc_source.html#l00069">uda-sample.cc:69</a></div></div>
<div class="ttc" id="classimpala__udf_1_1UdaTestHarness2_html"><div class="ttname"><a href="classimpala__udf_1_1UdaTestHarness2.html">impala_udf::UdaTestHarness2</a></div><div class="ttdef"><b>Definition:</b> <a href="uda-test-harness_8h_source.html#l00185">uda-test-harness.h:185</a></div></div>
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