Package org.apache.calcite.plan

Class SubstitutionVisitor.TargetOperand

java.lang.Object

org.apache.calcite.plan.SubstitutionVisitor.Operand

org.apache.calcite.plan.SubstitutionVisitor.TargetOperand

Enclosing class:

SubstitutionVisitor

private static class SubstitutionVisitor.TargetOperand
extends SubstitutionVisitor.Operand

Operand that checks that a relational expression matches the corresponding relational expression that was passed to a SubstitutionVisitor.QueryOperand.

Field Summary

Fields

Modifier and Type	Field	Description
private int	ordinal

Fields inherited from class org.apache.calcite.plan.SubstitutionVisitor.Operand

clazz

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TargetOperand(int ordinal)

Method Summary

Modifier and Type	Method	Description
boolean	isWeaker(SubstitutionVisitor visitor, MutableRel rel)
boolean	matches(SubstitutionVisitor visitor, MutableRel rel)

Methods inherited from class java.lang.Object

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

Field Detail

ordinal

private final int ordinal

Constructor Detail

TargetOperand

protected TargetOperand(int ordinal)

Method Detail

matches

public boolean matches(SubstitutionVisitor visitor,
                       MutableRel rel)

Specified by:

matches in class SubstitutionVisitor.Operand

isWeaker

public boolean isWeaker(SubstitutionVisitor visitor,
                        MutableRel rel)

Overrides:

isWeaker in class SubstitutionVisitor.Operand