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

Class GenericUDAFLead

java.lang.Object

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

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

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

All Implemented Interfaces:

GenericUDAFResolver, GenericUDAFResolver2

@WindowFunctionDescription(description=,
                           supportsWindow=false,
                           pivotResult=true,
                           impliesOrder=true)
public class GenericUDAFLead
extends GenericUDAFLeadLag

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GenericUDAFLead.GenericUDAFLeadEvaluator

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

GenericUDAFLeadLag.GenericUDAFLeadLagEvaluator

Constructor Summary

Constructors

Constructor and Description
GenericUDAFLead()

Method Summary

Methods

Modifier and Type	Method and Description
protected GenericUDAFLeadLag.GenericUDAFLeadLagEvaluator	createLLEvaluator()
protected String	functionName()

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

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

GenericUDAFLead

public GenericUDAFLead()

Method Detail

functionName

protected String functionName()

Specified by:

functionName in class GenericUDAFLeadLag

createLLEvaluator

protected GenericUDAFLeadLag.GenericUDAFLeadLagEvaluator createLLEvaluator()

Specified by:

createLLEvaluator in class GenericUDAFLeadLag