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

Class ExprProcFactory.PPRColumnExprProcessor

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.PrunerExpressionOperatorFactory.ColumnExprProcessor

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

All Implemented Interfaces:

NodeProcessor

Enclosing class:

ExprProcFactory

public static class ExprProcFactory.PPRColumnExprProcessor
extends PrunerExpressionOperatorFactory.ColumnExprProcessor

Processor for ppr column expressions.

Constructor Summary

Constructors

Constructor and Description
PPRColumnExprProcessor()

Method Summary

Modifier and Type	Method and Description
protected ExprNodeDesc	processColumnDesc(NodeProcessorCtx procCtx, ExprNodeColumnDesc cd) Process column desc.

Methods inherited from class org.apache.hadoop.hive.ql.optimizer.PrunerExpressionOperatorFactory.ColumnExprProcessor

process

Methods inherited from class java.lang.Object

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

Constructor Detail

PPRColumnExprProcessor

public PPRColumnExprProcessor()

Method Detail

processColumnDesc

protected ExprNodeDesc processColumnDesc(NodeProcessorCtx procCtx,
                                         ExprNodeColumnDesc cd)

Description copied from class: PrunerExpressionOperatorFactory.ColumnExprProcessor

Process column desc. It should be done by subclass.

Specified by:

processColumnDesc in class PrunerExpressionOperatorFactory.ColumnExprProcessor

Returns: