Package org.apache.calcite.rel.rules

Interface FilterJoinRule.Predicate

Enclosing class:

FilterJoinRule<C extends FilterJoinRule.Config>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface FilterJoinRule.Predicate

Predicate that returns whether a filter is valid in the ON clause of a join for this particular kind of join. If not, Calcite will push it back to above the join.

Method Summary

Modifier and Type	Method	Description
boolean	apply(Join join, JoinRelType joinType, RexNode exp)

Method Details

apply

boolean apply(Join join,
 JoinRelType joinType,
 RexNode exp)