org.eigenbase.rel.rules
Class PushProjector.OperatorExprCondition

java.lang.Object
  org.eigenbase.rel.rules.PushProjector.OperatorExprCondition

All Implemented Interfaces:

PushProjector.ExprCondition

Enclosing class:

PushProjector

public static class PushProjector.OperatorExprCondition
extends Object
implements PushProjector.ExprCondition

An expression condition that evaluates to true if the expression is a call to one of a set of operators.

Field Summary

private Set<SqlOperator>

operatorSet

Fields inherited from interface org.eigenbase.rel.rules.PushProjector.ExprCondition

FALSE

Constructor Summary

PushProjector.OperatorExprCondition(Set<SqlOperator> operatorSet)
Creates an OperatorExprCondition.

Method Summary

boolean

test(RexNode expr) Evaluates a condition for a given expression.

Methods inherited from class java.lang.Object

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

Field Detail

operatorSet

private final Set<SqlOperator> operatorSet

Constructor Detail

PushProjector.OperatorExprCondition

public PushProjector.OperatorExprCondition(Set<SqlOperator> operatorSet)

Creates an OperatorExprCondition.

Parameters:

operatorSet - Set of operators

Method Detail

test

public boolean test(RexNode expr)

Description copied from interface: PushProjector.ExprCondition

Evaluates a condition for a given expression.

Specified by:

test in interface PushProjector.ExprCondition

Parameters:

expr - Expression

Returns:

result of evaluating the condition