Package org.elasticsearch.xpack.esql.optimizer

Class LookupLogicalOptimizer

java.lang.Object

org.elasticsearch.xpack.esql.rule.RuleExecutor<LogicalPlan>

org.elasticsearch.xpack.esql.rule.ParameterizedRuleExecutor<LogicalPlan,LocalLogicalOptimizerContext>

org.elasticsearch.xpack.esql.optimizer.LocalLogicalPlanOptimizer

org.elasticsearch.xpack.esql.optimizer.LookupLogicalOptimizer

public class LookupLogicalOptimizer
extends LocalLogicalPlanOptimizer

Logical plan optimizer for the lookup node. Extends LocalLogicalPlanOptimizer with a reduced rule set appropriate for lookup plans (rooted at ParameterizedQuery, not EsRelation).

The lookup logical plan is narrow: Project -> optional Filter -> ParameterizedQuery. This optimizer runs ReplaceFieldWithConstantOrNull to replace missing/constant fields, then the standard operator-optimization rules to fold nulls, simplify booleans, and prune filters.

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.xpack.esql.rule.RuleExecutor

RuleExecutor.Batch<TreeType extends Node<TreeType>>, RuleExecutor.Limiter

Constructor Summary

Constructors

Constructor	Description
LookupLogicalOptimizer(LocalLogicalOptimizerContext context)

Method Summary

Modifier and Type	Method	Description
protected List<RuleExecutor.Batch<LogicalPlan>>	batches()

Methods inherited from class org.elasticsearch.xpack.esql.optimizer.LocalLogicalPlanOptimizer

localOptimize

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

context, transform

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

execute

Methods inherited from class java.lang.Object

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

Constructor Details

LookupLogicalOptimizer

public LookupLogicalOptimizer(LocalLogicalOptimizerContext context)

Method Details

batches

protected List<RuleExecutor.Batch<LogicalPlan>> batches()

Overrides:

batches in class LocalLogicalPlanOptimizer