org.apache.calcite.rel.metadata

Class RelMdPredicates.JoinConditionBasedPredicateInference.EquivalenceFinder

java.lang.Object

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

org.apache.calcite.rel.metadata.RelMdPredicates.JoinConditionBasedPredicateInference.EquivalenceFinder

All Implemented Interfaces:

RexVisitor<Void>

Enclosing class:

RelMdPredicates.JoinConditionBasedPredicateInference

class RelMdPredicates.JoinConditionBasedPredicateInference.EquivalenceFinder
extends RexVisitorImpl<Void>

Find expressions of the form 'col_x = col_y'.

Field Summary

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

deep

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EquivalenceFinder()

Method Summary

Modifier and Type	Method and Description
Void	visitCall(RexCall call)

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

visitArrayAnd, visitArrayOr, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitInputRef, visitLiteral, visitLocalRef, 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

EquivalenceFinder

protected EquivalenceFinder()

Method Detail

visitCall

public Void visitCall(RexCall call)

Specified by:

visitCall in interface RexVisitor<Void>

Overrides:

visitCall in class RexVisitorImpl<Void>