org.apache.hadoop.hive.ql.udf.generic

Class GenericUDAFDenseRank

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFRank

org.apache.hadoop.hive.ql.udf.generic.GenericUDAFDenseRank

All Implemented Interfaces:

GenericUDAFResolver, GenericUDAFResolver2

@WindowFunctionDescription(supportsWindow=false,
                           pivotResult=true,
                           rankingFunction=true,
                           orderedAggregate=true)
public class GenericUDAFDenseRank
extends GenericUDAFRank

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GenericUDAFDenseRank.GenericUDAFDenseRankEvaluator
static class	GenericUDAFDenseRank.GenericUDAFHypotheticalSetDenseRankEvaluator Evaluator for calculating the dense rank.

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFRank

GenericUDAFRank.GenericUDAFAbstractRankEvaluator, GenericUDAFRank.GenericUDAFHypotheticalSetRankEvaluator, GenericUDAFRank.GenericUDAFRankEvaluator

Constructor Summary

Constructors

Constructor and Description
GenericUDAFDenseRank()

Method Summary

Modifier and Type	Method and Description
protected GenericUDAFRank.GenericUDAFHypotheticalSetRankEvaluator	createHypotheticalSetEvaluator()
protected GenericUDAFRank.GenericUDAFAbstractRankEvaluator	createWindowingEvaluator()

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDAFRank

compare, copyToStandardObject, getEvaluator

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver

getEvaluator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GenericUDAFDenseRank

public GenericUDAFDenseRank()

Method Detail

createWindowingEvaluator

protected GenericUDAFRank.GenericUDAFAbstractRankEvaluator createWindowingEvaluator()

Overrides:

createWindowingEvaluator in class GenericUDAFRank

createHypotheticalSetEvaluator

protected GenericUDAFRank.GenericUDAFHypotheticalSetRankEvaluator createHypotheticalSetEvaluator()

Overrides:

createHypotheticalSetEvaluator in class GenericUDAFRank