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

java.lang.Object
  extended by org.apache.pig.newplan.optimizer.Transformer
      extended by org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer.PartitionFilterPushDownTransformer
          extended by 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
PartitionFilterOptimizer.NewPartitionFilterPushDownTransformer()
           
 
Method Summary
 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


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