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

Class HiveJoinCommuteRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

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

Planner rule that permutes the inputs of a Join, if it has a Project on top that simply swaps the fields of both inputs.

Field Summary

Fields

Modifier and Type	Field and Description
static HiveJoinCommuteRule	INSTANCE

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
HiveJoinCommuteRule(Class<? extends org.apache.calcite.rel.core.Project> projClazz, Class<? extends org.apache.calcite.rel.core.Join> joinClazz)

Method Summary

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, 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

Field Detail

INSTANCE

public static final HiveJoinCommuteRule INSTANCE

Constructor Detail

HiveJoinCommuteRule

public HiveJoinCommuteRule(Class<? extends org.apache.calcite.rel.core.Project> projClazz,
                           Class<? extends org.apache.calcite.rel.core.Join> joinClazz)

Method Detail

onMatch

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

Specified by:

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