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

Class HiveInsertExchange4JoinRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveInsertExchange4JoinRule

public class HiveInsertExchange4JoinRule
extends org.apache.calcite.plan.RelOptRule

Not an optimization rule. Rule to aid in translation from Calcite tree -> Hive tree. Transforms : Left Right Left Right \ / -> \ / Join HashExchange HashExchange \ / Join

Field Summary

Fields

Modifier and Type	Field and Description
static HiveInsertExchange4JoinRule	EXCHANGE_BELOW_JOIN Rule that creates Exchange operators under a Join operator.
static HiveInsertExchange4JoinRule	EXCHANGE_BELOW_MULTIJOIN Rule that creates Exchange operators under a MultiJoin operator.
protected static org.apache.commons.logging.Log	LOG

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

description, operands

Constructor Summary

Constructors

Constructor and Description
HiveInsertExchange4JoinRule(Class<? extends org.apache.calcite.rel.RelNode> clazz)

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

LOG

protected static final transient org.apache.commons.logging.Log LOG

EXCHANGE_BELOW_MULTIJOIN

public static final HiveInsertExchange4JoinRule EXCHANGE_BELOW_MULTIJOIN

Rule that creates Exchange operators under a MultiJoin operator.

EXCHANGE_BELOW_JOIN

public static final HiveInsertExchange4JoinRule EXCHANGE_BELOW_JOIN

Rule that creates Exchange operators under a Join operator.

Constructor Detail

HiveInsertExchange4JoinRule

public HiveInsertExchange4JoinRule(Class<? extends org.apache.calcite.rel.RelNode> clazz)

Method Detail

onMatch

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

Specified by:

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