org.apache.drill.exec.physical.impl.join

Class HashJoinHelperUnusedSizeImpl

java.lang.Object

org.apache.drill.exec.physical.impl.join.HashJoinHelperUnusedSizeImpl

All Implemented Interfaces:

HashJoinHelperSizeCalculator

public class HashJoinHelperUnusedSizeImpl
extends Object
implements HashJoinHelperSizeCalculator

This calculator class is used when the Hash-Join_helper is not used (i.e., return size of zero)

Field Summary

Fields

Modifier and Type	Field and Description
static HashJoinHelperUnusedSizeImpl	INSTANCE

Method Summary

Modifier and Type	Method and Description
long	calculateSize(HashJoinMemoryCalculator.PartitionStat partitionStat, double fragmentationFactor)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final HashJoinHelperUnusedSizeImpl INSTANCE

Method Detail

calculateSize

public long calculateSize(HashJoinMemoryCalculator.PartitionStat partitionStat,
                          double fragmentationFactor)

Specified by:

calculateSize in interface HashJoinHelperSizeCalculator