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

Class LocalPropagateEmptyRelation

java.lang.Object

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

org.elasticsearch.xpack.esql.rule.ParameterizedRule<UnaryPlan,LogicalPlan,LogicalOptimizerContext>

org.elasticsearch.xpack.esql.optimizer.rules.logical.OptimizerRules.ParameterizedOptimizerRule<UnaryPlan,LogicalOptimizerContext>

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

org.elasticsearch.xpack.esql.optimizer.rules.logical.local.LocalPropagateEmptyRelation

All Implemented Interfaces:

OptimizerRules.LocalAware<UnaryPlan>

public class LocalPropagateEmptyRelation
extends PropagateEmptyRelation

Local aggregation can only produce intermediate state that get wired into the global agg.

Field Summary

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

log

Constructor Summary

Constructors

Constructor	Description
LocalPropagateEmptyRelation()

Method Summary

Modifier and Type	Method	Description
protected void	aggOutput(FoldContext foldCtx, NamedExpression agg, AggregateFunction aggFunc, BlockFactory blockFactory, List<Block> blocks)	Local variant of the aggregation that returns the intermediate value.

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

local, rule

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

apply

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

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

LocalPropagateEmptyRelation

public LocalPropagateEmptyRelation()

Method Details

aggOutput

protected void aggOutput(FoldContext foldCtx,
 NamedExpression agg,
 AggregateFunction aggFunc,
 BlockFactory blockFactory,
 List<Block> blocks)

Local variant of the aggregation that returns the intermediate value.

Overrides:

aggOutput in class PropagateEmptyRelation