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

Class HiveRemoveEmptySingleRules

java.lang.Object

org.apache.calcite.rel.rules.PruneEmptyRules

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

public class HiveRemoveEmptySingleRules
extends org.apache.calcite.rel.rules.PruneEmptyRules

This class provides access to Calcite's PruneEmptyRules. The instances of the rules use HiveRelBuilder.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	HiveRemoveEmptySingleRules.CorrelateLeftEmptyRuleConfig Configuration for rule that prunes a correlate if left input is empty.
static interface	HiveRemoveEmptySingleRules.CorrelateRightEmptyRuleConfig Configuration for rule that prunes a correlate if right input is empty.
static interface	HiveRemoveEmptySingleRules.HiveUnionEmptyPruneRuleConfig Copy of PruneEmptyRules.UnionEmptyPruneRuleConfig but this version expects Union.
static interface	HiveRemoveEmptySingleRules.JoinLeftEmptyRuleConfig Improved version of Calcite's PruneEmptyRules.JoinLeftEmptyRuleConfig.
static interface	HiveRemoveEmptySingleRules.JoinRightEmptyRuleConfig Improved version of Calcite's PruneEmptyRules.JoinRightEmptyRuleConfig.

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

org.apache.calcite.rel.rules.PruneEmptyRules.IntersectEmptyPruneRuleConfig, org.apache.calcite.rel.rules.PruneEmptyRules.MinusEmptyPruneRuleConfig, org.apache.calcite.rel.rules.PruneEmptyRules.PruneEmptyRule, org.apache.calcite.rel.rules.PruneEmptyRules.RemoveEmptySingleRule, org.apache.calcite.rel.rules.PruneEmptyRules.SortFetchZeroRuleConfig, org.apache.calcite.rel.rules.PruneEmptyRules.UnionEmptyPruneRuleConfig

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.plan.RelOptRule	AGGREGATE_INSTANCE
static org.apache.calcite.plan.RelOptRule	ANTI_JOIN_RIGHT_INSTANCE
static org.apache.calcite.plan.RelOptRule	CORRELATE_LEFT_INSTANCE
static org.apache.calcite.plan.RelOptRule	CORRELATE_RIGHT_INSTANCE
static org.apache.calcite.plan.RelOptRule	FILTER_INSTANCE
static org.apache.calcite.plan.RelOptRule	JOIN_LEFT_INSTANCE
static org.apache.calcite.plan.RelOptRule	JOIN_RIGHT_INSTANCE
static org.apache.calcite.plan.RelOptRule	PROJECT_INSTANCE
static org.apache.calcite.plan.RelOptRule	SEMI_JOIN_LEFT_INSTANCE
static org.apache.calcite.plan.RelOptRule	SEMI_JOIN_RIGHT_INSTANCE
static org.apache.calcite.plan.RelOptRule	SORT_FETCH_ZERO_INSTANCE
static org.apache.calcite.plan.RelOptRule	SORT_INSTANCE
static org.apache.calcite.plan.RelOptRule	UNION_INSTANCE

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

INTERSECT_INSTANCE, MINUS_INSTANCE

Constructor Summary

Constructors

Constructor and Description
HiveRemoveEmptySingleRules()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PROJECT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule PROJECT_INSTANCE

FILTER_INSTANCE

public static final org.apache.calcite.plan.RelOptRule FILTER_INSTANCE

JOIN_LEFT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule JOIN_LEFT_INSTANCE

SEMI_JOIN_LEFT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule SEMI_JOIN_LEFT_INSTANCE

JOIN_RIGHT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule JOIN_RIGHT_INSTANCE

ANTI_JOIN_RIGHT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule ANTI_JOIN_RIGHT_INSTANCE

SEMI_JOIN_RIGHT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule SEMI_JOIN_RIGHT_INSTANCE

CORRELATE_RIGHT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule CORRELATE_RIGHT_INSTANCE

CORRELATE_LEFT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule CORRELATE_LEFT_INSTANCE

SORT_INSTANCE

public static final org.apache.calcite.plan.RelOptRule SORT_INSTANCE

SORT_FETCH_ZERO_INSTANCE

public static final org.apache.calcite.plan.RelOptRule SORT_FETCH_ZERO_INSTANCE

AGGREGATE_INSTANCE

public static final org.apache.calcite.plan.RelOptRule AGGREGATE_INSTANCE

UNION_INSTANCE

public static final org.apache.calcite.plan.RelOptRule UNION_INSTANCE

Constructor Detail

HiveRemoveEmptySingleRules

public HiveRemoveEmptySingleRules()