org.apache.calcite.rel.rules

Class SemiJoinRule.JoinToSemiJoinRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.rules.SemiJoinRule

org.apache.calcite.rel.rules.SemiJoinRule.JoinToSemiJoinRule

Enclosing class:

SemiJoinRule

public static class SemiJoinRule.JoinToSemiJoinRule
extends SemiJoinRule

SemiJoinRule that matches a Join with an empty Aggregate as its right child.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.rel.rules.SemiJoinRule

SemiJoinRule.JoinToSemiJoinRule, SemiJoinRule.ProjectToSemiJoinRule

Field Summary

Fields inherited from class org.apache.calcite.rel.rules.SemiJoinRule

JOIN, PROJECT

Fields inherited from class org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
JoinToSemiJoinRule(Class<Join> joinClass, Class<Aggregate> aggregateClass, RelBuilderFactory relBuilderFactory, String description) Creates a JoinToSemiJoinRule.

Method Summary

Methods inherited from class org.apache.calcite.rel.rules.SemiJoinRule

onMatch, perform

Methods inherited from class org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, operand, operand, operand, operand, operand, some, toString, unordered

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

JoinToSemiJoinRule

public JoinToSemiJoinRule(Class<Join> joinClass,
                          Class<Aggregate> aggregateClass,
                          RelBuilderFactory relBuilderFactory,
                          String description)

Creates a JoinToSemiJoinRule.