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

Class HiveFilterJoinRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.rules.FilterJoinRule

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

Direct Known Subclasses:

HiveFilterJoinRule.HiveFilterJoinMergeRule, HiveFilterJoinRule.HiveFilterJoinTransposeRule

public abstract class HiveFilterJoinRule
extends org.apache.calcite.rel.rules.FilterJoinRule

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiveFilterJoinRule.HiveFilterJoinMergeRule Rule that tries to push filter expressions into a join condition and into the inputs of the join.
static class	HiveFilterJoinRule.HiveFilterJoinTransposeRule

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

org.apache.calcite.rel.rules.FilterJoinRule.FilterIntoJoinRule, org.apache.calcite.rel.rules.FilterJoinRule.JoinConditionPushRule, org.apache.calcite.rel.rules.FilterJoinRule.Predicate

Field Summary

Fields

Modifier and Type	Field and Description
static HiveFilterJoinRule	FILTER_ON_JOIN
static HiveFilterJoinRule	JOIN

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

DUMB_FILTER_ON_JOIN, TRUE_PREDICATE

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

description, operands

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HiveFilterJoinRule(org.apache.calcite.plan.RelOptRuleOperand operand, String id, boolean smart, org.apache.calcite.rel.core.RelFactories.FilterFactory filterFactory, org.apache.calcite.rel.core.RelFactories.ProjectFactory projectFactory) Creates a PushFilterPastJoinRule with an explicit root operand.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	validateJoinFilters(List<org.apache.calcite.rex.RexNode> aboveFilters, List<org.apache.calcite.rex.RexNode> joinFilters, org.apache.calcite.rel.core.Join join, org.apache.calcite.rel.core.JoinRelType joinType)

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

perform

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

any, convert, convert, convertList, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, onMatch, 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

FILTER_ON_JOIN

public static final HiveFilterJoinRule FILTER_ON_JOIN

JOIN

public static final HiveFilterJoinRule JOIN

Constructor Detail

HiveFilterJoinRule

protected HiveFilterJoinRule(org.apache.calcite.plan.RelOptRuleOperand operand,
                  String id,
                  boolean smart,
                  org.apache.calcite.rel.core.RelFactories.FilterFactory filterFactory,
                  org.apache.calcite.rel.core.RelFactories.ProjectFactory projectFactory)

Creates a PushFilterPastJoinRule with an explicit root operand.

Method Detail

validateJoinFilters

protected void validateJoinFilters(List<org.apache.calcite.rex.RexNode> aboveFilters,
                       List<org.apache.calcite.rex.RexNode> joinFilters,
                       org.apache.calcite.rel.core.Join join,
                       org.apache.calcite.rel.core.JoinRelType joinType)

Overrides:

validateJoinFilters in class org.apache.calcite.rel.rules.FilterJoinRule