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

OpWalkerInfo(ParseContext pGraphContext)

Method Summary

void	addCandidateFilterOp(FilterOperator fop)
List<FilterOperator>	getCandidateFilterOps()
ParseContext	getParseContext()
ExprWalkerInfo	getPrunedPreds(Operator<? extends OperatorDesc> op)
RowResolver	getRowResolver(Node op)
OpParseContext	put(Operator<? extends OperatorDesc> key, OpParseContext value)
ExprWalkerInfo	putPrunedPreds(Operator<? extends OperatorDesc> op, ExprWalkerInfo value)

Methods inherited from class java.lang.Object

equals, 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)

getRowResolver

public RowResolver getRowResolver(Node op)

put

public OpParseContext put(Operator<? extends OperatorDesc> key,
                          OpParseContext value)

getParseContext

public ParseContext getParseContext()

getCandidateFilterOps

public List<FilterOperator> getCandidateFilterOps()

addCandidateFilterOp

public void addCandidateFilterOp(FilterOperator fop)