org.apache.calcite.rel.rules

Interface PushProjector.ExprCondition

All Known Implementing Classes:

PushProjector.OperatorExprCondition

Enclosing class:

PushProjector

public static interface PushProjector.ExprCondition

A functor that replies true or false for a given expression.

See Also:

PushProjector.OperatorExprCondition

Field Summary

Fields

Modifier and Type	Field and Description
static PushProjector.ExprCondition	FALSE Constant condition that replies false for all expressions.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	test(RexNode expr) Evaluates a condition for a given expression.

Field Detail

FALSE

static final PushProjector.ExprCondition FALSE

Constant condition that replies false for all expressions.

Method Detail

test

boolean test(RexNode expr)

Evaluates a condition for a given expression.

Parameters:

expr - Expression

Returns:

result of evaluating the condition