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

Class HiveJoinPushTransitivePredicatesRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

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

Planner rule that infers predicates from on a Join and creates Filters if those predicates can be pushed to its inputs.

Uses RelMdPredicates to infer the predicates, returns them in a RelOptPredicateList and applies them appropriately.

Field Summary

Fields

Modifier and Type	Field and Description
static HiveJoinPushTransitivePredicatesRule	INSTANCE_JOIN
static HiveJoinPushTransitivePredicatesRule	INSTANCE_SEMIJOIN

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
HiveJoinPushTransitivePredicatesRule(Class<? extends org.apache.calcite.rel.core.Join> clazz, org.apache.calcite.rel.core.RelFactories.FilterFactory filterFactory)

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_JOIN

public static final HiveJoinPushTransitivePredicatesRule INSTANCE_JOIN

INSTANCE_SEMIJOIN

public static final HiveJoinPushTransitivePredicatesRule INSTANCE_SEMIJOIN

Constructor Detail

HiveJoinPushTransitivePredicatesRule

public HiveJoinPushTransitivePredicatesRule(Class<? extends org.apache.calcite.rel.core.Join> clazz,
                                            org.apache.calcite.rel.core.RelFactories.FilterFactory filterFactory)

Method Detail

onMatch

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

Specified by:

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