Package org.apache.calcite.rel.rules

Interface PushProjector.ExprCondition

All Superinterfaces:
Predicate<RexNode>
Enclosing class:
PushProjector
public static interface PushProjector.ExprCondition extends Predicate<RexNode>
A functor that replies true or false for a given expression.
See Also:
  • PushProjector.OperatorExprCondition

  • Field Summary

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

  • Method Summary

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

    Methods inherited from interface java.util.function.Predicate

    and, negate, or

  • Field Details

  • Method Details

    • test

      boolean test(RexNode expr)
      Evaluates a condition for a given expression.
      Specified by:
      test in interface Predicate<RexNode>
      Parameters:
      expr - Expression
      Returns:
      result of evaluating the condition