org.apache.hadoop.hive.ql.optimizer.ppr

Class OpProcFactory.FilterPPR

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.PrunerOperatorFactory.FilterPruner

org.apache.hadoop.hive.ql.optimizer.ppr.OpProcFactory.FilterPPR

All Implemented Interfaces:

NodeProcessor

Enclosing class:

OpProcFactory

public static class OpProcFactory.FilterPPR
extends PrunerOperatorFactory.FilterPruner

Determines the partition pruner for the filter. This is called only when the filter follows a table scan operator.

Constructor Summary

Constructors

Constructor and Description
OpProcFactory.FilterPPR()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	generatePredicate(NodeProcessorCtx procCtx, FilterOperator fop, TableScanOperator top) Generate predicate.

Methods inherited from class org.apache.hadoop.hive.ql.optimizer.PrunerOperatorFactory.FilterPruner

addPruningPred, addPruningPred, process

Methods inherited from class java.lang.Object

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

Constructor Detail

OpProcFactory.FilterPPR

public OpProcFactory.FilterPPR()

Method Detail

generatePredicate

protected void generatePredicate(NodeProcessorCtx procCtx,
                     FilterOperator fop,
                     TableScanOperator top)
                          throws SemanticException,
                                 UDFArgumentException

Description copied from class: PrunerOperatorFactory.FilterPruner

Generate predicate. Subclass should implement the function. Please refer to OpProcFactory.FilterPPR

Specified by:

generatePredicate in class PrunerOperatorFactory.FilterPruner

Throws:

SemanticException

UDFArgumentException