Class UnionItemsSketchUDAF<T>
- java.lang.Object
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- org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver
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- org.apache.datasketches.hive.frequencies.UnionItemsSketchUDAF<T>
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- Type Parameters:
T- type of item
- All Implemented Interfaces:
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFResolver,org.apache.hadoop.hive.ql.udf.generic.GenericUDAFResolver2
- Direct Known Subclasses:
UnionStringsSketchUDAF
public abstract class UnionItemsSketchUDAF<T> extends org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolverThis is a generic implementation to be specialized in subclasses
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classUnionItemsSketchUDAF.UnionItemsSketchEvaluator<T>
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Constructor Summary
Constructors Constructor Description UnionItemsSketchUDAF()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluatorgetEvaluator(org.apache.hadoop.hive.ql.udf.generic.GenericUDAFParameterInfo info)
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Method Detail
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getEvaluator
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- Specified by:
getEvaluatorin interfaceorg.apache.hadoop.hive.ql.udf.generic.GenericUDAFResolver2- Overrides:
getEvaluatorin classorg.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver- Throws:
org.apache.hadoop.hive.ql.parse.SemanticException
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