org.eigenbase.rel.metadata
Class RelMdUtil.CardOfProjExpr

java.lang.Object
  org.eigenbase.rex.RexVisitorImpl<Double>
      org.eigenbase.rel.metadata.RelMdUtil.CardOfProjExpr

All Implemented Interfaces:

RexVisitor<Double>

Enclosing class:

RelMdUtil

private static class RelMdUtil.CardOfProjExpr
extends RexVisitorImpl<Double>

Field Summary

private ProjectRelBase

rel

Fields inherited from class org.eigenbase.rex.RexVisitorImpl

deep

Constructor Summary

RelMdUtil.CardOfProjExpr(ProjectRelBase rel)

Method Summary

Double	visitCall(RexCall call)
Double	visitInputRef(RexInputRef var)
Double	visitLiteral(RexLiteral literal)

Methods inherited from class org.eigenbase.rex.RexVisitorImpl

visitArrayAnd, visitArrayOr, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitLocalRef, visitOver, visitRangeRef

Methods inherited from class java.lang.Object

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

Field Detail

rel

private ProjectRelBase rel

Constructor Detail

RelMdUtil.CardOfProjExpr

public RelMdUtil.CardOfProjExpr(ProjectRelBase rel)

Method Detail

visitInputRef

public Double visitInputRef(RexInputRef var)

Specified by:

visitInputRef in interface RexVisitor<Double>

Overrides:

visitInputRef in class RexVisitorImpl<Double>

visitLiteral

public Double visitLiteral(RexLiteral literal)

Specified by:

visitLiteral in interface RexVisitor<Double>

Overrides:

visitLiteral in class RexVisitorImpl<Double>

visitCall

public Double visitCall(RexCall call)

Specified by:

visitCall in interface RexVisitor<Double>

Overrides:

visitCall in class RexVisitorImpl<Double>