org.eigenbase.rex
Class RexProgram.Checker

java.lang.Object
  org.eigenbase.rex.RexVisitorImpl<Boolean>
      org.eigenbase.rex.RexChecker
          org.eigenbase.rex.RexProgram.Checker

All Implemented Interfaces:

RexVisitor<Boolean>

Enclosing class:

RexProgram

static class RexProgram.Checker
extends RexChecker

Visitor which walks over a program and checks validity.

Field Summary

private List<RelDataType>

internalExprTypeList

Fields inherited from class org.eigenbase.rex.RexChecker

fail, failCount, inputTypeList

Fields inherited from class org.eigenbase.rex.RexVisitorImpl

deep

Constructor Summary

RexProgram.Checker(boolean fail, RelDataType inputRowType, List<RelDataType> internalExprTypeList)
Creates a Checker.

Method Summary

Boolean

visitLocalRef(RexLocalRef localRef)

Methods inherited from class org.eigenbase.rex.RexChecker

getFailureCount, isValid, visitCall, visitFieldAccess, visitInputRef

Methods inherited from class org.eigenbase.rex.RexVisitorImpl

visitArrayAnd, visitArrayOr, visitCorrelVariable, visitDynamicParam, visitLiteral, visitOver, visitRangeRef

Methods inherited from class java.lang.Object

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

Field Detail

internalExprTypeList

private final List<RelDataType> internalExprTypeList

Constructor Detail

RexProgram.Checker

public RexProgram.Checker(boolean fail,
                          RelDataType inputRowType,
                          List<RelDataType> internalExprTypeList)

Creates a Checker.

Parameters:

fail - Whether to fail

inputRowType - Types of the input fields

internalExprTypeList - Types of the internal expressions

Method Detail

visitLocalRef

public Boolean visitLocalRef(RexLocalRef localRef)

Specified by:

visitLocalRef in interface RexVisitor<Boolean>

Overrides:

visitLocalRef in class RexChecker