org.apache.calcite.rex

Class RexProgram.ReferenceCounter

java.lang.Object

org.apache.calcite.rex.RexVisitorImpl<Void>

org.apache.calcite.rex.RexProgram.ReferenceCounter

All Implemented Interfaces:

RexVisitor<Void>

Enclosing class:

RexProgram

private class RexProgram.ReferenceCounter
extends RexVisitorImpl<Void>

Visitor which marks which expressions are used.

Field Summary

Fields inherited from class org.apache.calcite.rex.RexVisitorImpl

deep

Constructor Summary

Constructors

Constructor and Description
ReferenceCounter()

Method Summary

Modifier and Type	Method and Description
Void	visitLocalRef(RexLocalRef localRef)

Methods inherited from class org.apache.calcite.rex.RexVisitorImpl

visitArrayAnd, visitArrayOr, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitInputRef, visitLiteral, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef

Methods inherited from class java.lang.Object

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

Constructor Detail

ReferenceCounter

ReferenceCounter()

Method Detail

visitLocalRef

public Void visitLocalRef(RexLocalRef localRef)

Specified by:

visitLocalRef in interface RexVisitor<Void>

Overrides:

visitLocalRef in class RexVisitorImpl<Void>