org.apache.pig.newplan.logical.rules

Class PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer

java.lang.Object

org.apache.pig.newplan.optimizer.Transformer

org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer.PartitionFilterPushDownTransformer

org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer

Enclosing class:

PartitionFilterOptimizer

public class PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer
extends PartitionFilterOptimizer.PartitionFilterPushDownTransformer

Field Summary

Fields inherited from class org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer.PartitionFilterPushDownTransformer

subPlan

Constructor Summary

Constructors

Constructor and Description
PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer()

Method Summary

Methods

Modifier and Type	Method and Description
void	transform(OperatorPlan matched) Transform the tree

Methods inherited from class org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer.PartitionFilterPushDownTransformer

check, getMappedKeys, reportChanges, setupColNameMaps, updateMappedColNames

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer

public PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer()

Method Detail

transform

public void transform(OperatorPlan matched)
               throws FrontendException

Description copied from class: Transformer

Transform the tree

Overrides:

transform in class PartitionFilterOptimizer.PartitionFilterPushDownTransformer

Parameters:

matched - the sub-set of the plan that matches the pattern. This subset has the same graph as the pattern, but the operators point to the same objects as the plan to be matched.

Throws:

FrontendException