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| <li>org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver</li> |
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| <pre>public class <span class="typeNameLabel">UnionSketchUDAF</span> |
| extends org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver</pre> |
| <div class="block">Hive UDAF to compute union of theta Sketch objects</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/yahoo/sketches/hive/theta/UnionSketchUDAF.UnionSketchUDAFEvaluator.html" title="class in com.yahoo.sketches.hive.theta">UnionSketchUDAF.UnionSketchUDAFEvaluator</a></span></code> |
| <div class="block">Evaluator class of Generic UDAF, main logic of our UDAF.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/yahoo/sketches/hive/theta/UnionSketchUDAF.html#UnionSketchUDAF--">UnionSketchUDAF</a></span>()</code> </td> |
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| <td class="colFirst"><code>org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator</code></td> |
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| <div class="block">Perform argument count check and argument type checking, returns an |
| appropriate evaluator to perform based on input type (which should always |
| be BINARY sketch).</div> |
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| <h4>UnionSketchUDAF</h4> |
| <pre>public UnionSketchUDAF()</pre> |
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| <h4>getEvaluator</h4> |
| <pre>public org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator getEvaluator(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFParameterInfo info) |
| throws org.apache.hadoop.hive.ql.parse.SemanticException</pre> |
| <div class="block">Perform argument count check and argument type checking, returns an |
| appropriate evaluator to perform based on input type (which should always |
| be BINARY sketch). Also check sketch size and seed params if they are passed in.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>getEvaluator</code> in interface <code>org.apache.hadoop.hive.ql.udf.generic.GenericUDAFResolver2</code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>getEvaluator</code> in class <code>org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver</code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>info</code> - The parameter info to validate</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The GenericUDAFEvaluator to use to compute the function.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.hive.ql.parse.SemanticException</code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>#getEvaluator(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFParameterInfo)</code></dd> |
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