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

Class GenericUDAFLag

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.GenericUDAFLag

All Implemented Interfaces:

GenericUDAFResolver, GenericUDAFResolver2

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

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GenericUDAFLag.GenericUDAFLagEvaluator

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

GenericUDAFLeadLag.GenericUDAFLeadLagEvaluator

Constructor Summary

Constructors

Constructor and Description
GenericUDAFLag()

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

GenericUDAFLag

public GenericUDAFLag()

Method Detail

functionName

protected String functionName()

Specified by:

functionName in class GenericUDAFLeadLag

createLLEvaluator

protected GenericUDAFLeadLag.GenericUDAFLeadLagEvaluator createLLEvaluator()

Specified by:

createLLEvaluator in class GenericUDAFLeadLag