org.apache.hadoop.hive.ql.ppd

Class OpWalkerInfo

java.lang.Object

org.apache.hadoop.hive.ql.ppd.OpWalkerInfo

All Implemented Interfaces:

NodeProcessorCtx

public class OpWalkerInfo
extends Object
implements NodeProcessorCtx

Context class for operator walker of predicate pushdown.

Constructor Summary

Constructors

Constructor and Description
OpWalkerInfo(ParseContext pGraphContext)

Method Summary

Methods

Modifier and Type	Method and Description
void	addCandidateFilterOp(FilterOperator fop)
List<FilterOperator>	getCandidateFilterOps()
ParseContext	getParseContext()
ExprWalkerInfo	getPrunedPreds(Operator<? extends OperatorDesc> op)
ExprWalkerInfo	putPrunedPreds(Operator<? extends OperatorDesc> op, ExprWalkerInfo value)

Methods inherited from class java.lang.Object

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

Constructor Detail

OpWalkerInfo

public OpWalkerInfo(ParseContext pGraphContext)

Method Detail

getPrunedPreds

public ExprWalkerInfo getPrunedPreds(Operator<? extends OperatorDesc> op)

putPrunedPreds

public ExprWalkerInfo putPrunedPreds(Operator<? extends OperatorDesc> op,
                            ExprWalkerInfo value)

getParseContext

public ParseContext getParseContext()

getCandidateFilterOps

public List<FilterOperator> getCandidateFilterOps()

addCandidateFilterOp

public void addCandidateFilterOp(FilterOperator fop)