io.prestosql.sql.planner.optimizations

Class ExpressionEquivalence

java.lang.Object

io.prestosql.sql.planner.optimizations.ExpressionEquivalence

public class ExpressionEquivalence
extends Object

Constructor Summary

Constructors

Constructor and Description
ExpressionEquivalence(Metadata metadata, TypeAnalyzer typeAnalyzer)

Method Summary

Modifier and Type	Method and Description
boolean	areExpressionsEquivalent(Session session, Expression leftExpression, Expression rightExpression, TypeProvider types)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEquivalence

public ExpressionEquivalence(Metadata metadata,
                             TypeAnalyzer typeAnalyzer)

Method Detail

areExpressionsEquivalent

public boolean areExpressionsEquivalent(Session session,
                                        Expression leftExpression,
                                        Expression rightExpression,
                                        TypeProvider types)