org.apache.hadoop.hive.ql.optimizer.calcite.rules

Class HiveJoinToMultiJoinRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveJoinToMultiJoinRule

public class HiveJoinToMultiJoinRule
extends org.apache.calcite.plan.RelOptRule

Rule that merges a join with multijoin/join children if the equi compared the same set of input columns.

Field Summary

Fields

Modifier and Type	Field and Description
static HiveJoinToMultiJoinRule	INSTANCE

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

description, operands

Constructor Summary

Constructors

Constructor and Description
HiveJoinToMultiJoinRule(Class<? extends org.apache.calcite.rel.core.Join> clazz) Creates a JoinToMultiJoinRule.

Method Summary

Methods

Modifier and Type	Method and Description
void	onMatch(org.apache.calcite.plan.RelOptRuleCall call)

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

any, convert, convert, convertList, 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

Field Detail

INSTANCE

public static final HiveJoinToMultiJoinRule INSTANCE

Constructor Detail

HiveJoinToMultiJoinRule

public HiveJoinToMultiJoinRule(Class<? extends org.apache.calcite.rel.core.Join> clazz)

Creates a JoinToMultiJoinRule.

Method Detail

onMatch

public void onMatch(org.apache.calcite.plan.RelOptRuleCall call)

Specified by:

onMatch in class org.apache.calcite.plan.RelOptRule