org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer

Class SecondaryKeyOptimizerTez

java.lang.Object

org.apache.pig.impl.plan.PlanVisitor<TezOperator,TezOperPlan>

org.apache.pig.backend.hadoop.executionengine.tez.plan.TezOpPlanVisitor

org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer.SecondaryKeyOptimizerTez

All Implemented Interfaces:

SecondaryKeyOptimizer

@InterfaceAudience.Private
public class SecondaryKeyOptimizerTez
extends TezOpPlanVisitor
implements SecondaryKeyOptimizer

Field Summary

Fields inherited from class org.apache.pig.impl.plan.PlanVisitor

mCurrentWalker, mPlan

Constructor Summary

Constructors

Constructor and Description
SecondaryKeyOptimizerTez(TezOperPlan plan)

Method Summary

Methods

Modifier and Type	Method and Description
int	getNumDistinctChanged()
int	getNumSortRemoved()
int	getNumUseSecondaryKey()
void	visitTezOp(TezOperator to)

Methods inherited from class org.apache.pig.impl.plan.PlanVisitor

getPlan, popWalker, pushWalker, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

SecondaryKeyOptimizerTez

public SecondaryKeyOptimizerTez(TezOperPlan plan)

Method Detail

visitTezOp

public void visitTezOp(TezOperator to)
                throws VisitorException

Overrides:

visitTezOp in class TezOpPlanVisitor

Throws:

VisitorException

getNumSortRemoved

public int getNumSortRemoved()

Specified by:

getNumSortRemoved in interface SecondaryKeyOptimizer

getNumDistinctChanged

public int getNumDistinctChanged()

Specified by:

getNumDistinctChanged in interface SecondaryKeyOptimizer

getNumUseSecondaryKey

public int getNumUseSecondaryKey()

Specified by:

getNumUseSecondaryKey in interface SecondaryKeyOptimizer