Package org.apache.calcite.plan

Class SubstitutionVisitor.SlotCounter

java.lang.Object

org.apache.calcite.plan.SubstitutionVisitor.SlotCounter

Enclosing class:

SubstitutionVisitor

private static class SubstitutionVisitor.SlotCounter
extends java.lang.Object

Visitor that counts how many SubstitutionVisitor.QueryOperand and SubstitutionVisitor.TargetOperand in an operand tree.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	queryCount
(package private) int	targetCount

Constructor Summary

Constructors

Modifier	Constructor	Description
private	SlotCounter()

Method Summary

Modifier and Type	Method	Description
(package private) void	visit(SubstitutionVisitor.Operand operand)

Methods inherited from class java.lang.Object

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

Field Detail

queryCount

int queryCount

targetCount

int targetCount

Constructor Detail

SlotCounter

private SlotCounter()

Method Detail

visit

void visit(SubstitutionVisitor.Operand operand)