org.apache.pig.backend.hadoop.executionengine.util

Class SecondaryKeyOptimizerUtil

java.lang.Object

org.apache.pig.backend.hadoop.executionengine.util.SecondaryKeyOptimizerUtil

Direct Known Subclasses:

SparkSecondaryKeyOptimizerUtil

@InterfaceAudience.Private
public class SecondaryKeyOptimizerUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SecondaryKeyOptimizerUtil.SecondaryKeyOptimizerInfo

Constructor Summary

Constructors

Constructor and Description
SecondaryKeyOptimizerUtil()

Method Summary

Modifier and Type	Method and Description
SecondaryKeyOptimizerUtil.SecondaryKeyOptimizerInfo	applySecondaryKeySort(PhysicalPlan mapPlan, PhysicalPlan reducePlan)
protected PhysicalOperator	getCurrentNode(PhysicalOperator root, PhysicalPlan reducePlan)

Methods inherited from class java.lang.Object

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

Constructor Detail

SecondaryKeyOptimizerUtil

public SecondaryKeyOptimizerUtil()

Method Detail

applySecondaryKeySort

public SecondaryKeyOptimizerUtil.SecondaryKeyOptimizerInfo applySecondaryKeySort(PhysicalPlan mapPlan,
                                                                                 PhysicalPlan reducePlan)
                                                                          throws VisitorException

Throws:

VisitorException

getCurrentNode

protected PhysicalOperator getCurrentNode(PhysicalOperator root,
                                          PhysicalPlan reducePlan)