Package org.elasticsearch.xpack.esql.optimizer.rules.logical

Class PruneRedundantAggregateGroupings

java.lang.Object

org.elasticsearch.xpack.esql.rule.Rule<Aggregate,LogicalPlan>

org.elasticsearch.xpack.esql.optimizer.rules.logical.OptimizerRules.OptimizerRule<Aggregate>

org.elasticsearch.xpack.esql.optimizer.rules.logical.PruneRedundantAggregateGroupings

All Implemented Interfaces:

OptimizerRules.LocalAware<Aggregate>

public final class PruneRedundantAggregateGroupings
extends OptimizerRules.OptimizerRule<Aggregate>
implements OptimizerRules.LocalAware<Aggregate>

Removes STATS BY keys that do not add grouping cardinality and rebuilds their output above the aggregation.

Field Summary

Fields inherited from class org.elasticsearch.xpack.esql.rule.Rule

log

Constructor Summary

Constructors

Constructor	Description
PruneRedundantAggregateGroupings()

Method Summary

Modifier and Type	Method	Description
Rule<Aggregate,LogicalPlan>	local()	the local version of the rule.
protected LogicalPlan	rule(Aggregate aggregate)

Methods inherited from class org.elasticsearch.xpack.esql.optimizer.rules.logical.OptimizerRules.OptimizerRule

apply

Methods inherited from class org.elasticsearch.xpack.esql.rule.Rule

name, toString, typeToken

Methods inherited from class java.lang.Object

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

Constructor Details

PruneRedundantAggregateGroupings

public PruneRedundantAggregateGroupings()

Method Details

rule

protected LogicalPlan rule(Aggregate aggregate)

Specified by:

rule in class OptimizerRules.OptimizerRule<Aggregate>

local

public Rule<Aggregate,LogicalPlan> local()

Description copied from interface: OptimizerRules.LocalAware

the local version of the rule. null if the rule should not be applied locally.

Specified by:

local in interface OptimizerRules.LocalAware<Aggregate>