Class SemiJoinRule.JoinOnUniqueToSemiJoinRule

All Implemented Interfaces:
TransformationRule
Enclosing class:
SemiJoinRule

public static class SemiJoinRule.JoinOnUniqueToSemiJoinRule extends SemiJoinRule
SemiJoinRule that matches a Project on top of a Join with a RelNode which is unique for Join's right keys.
See Also: