Package io.trino.sql.planner.iterative

Class IterativeOptimizer

java.lang.Object

io.trino.sql.planner.iterative.IterativeOptimizer

All Implemented Interfaces:

AdaptivePlanOptimizer, PlanOptimizer

public class IterativeOptimizer
extends Object
implements AdaptivePlanOptimizer

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.sql.planner.optimizations.AdaptivePlanOptimizer

AdaptivePlanOptimizer.Result

Constructor Summary

Constructors

Constructor	Description
IterativeOptimizer(PlannerContext plannerContext, RuleStatsRecorder stats, StatsCalculator statsCalculator, CostCalculator costCalculator, Predicate<Session> useLegacyRules, List<PlanOptimizer> legacyRules, Set<Rule<?>> newRules)
IterativeOptimizer(PlannerContext plannerContext, RuleStatsRecorder stats, StatsCalculator statsCalculator, CostCalculator costCalculator, Set<Rule<?>> rules)

Method Summary

Modifier and Type	Method	Description
Set<Rule<?>>	getRules()
AdaptivePlanOptimizer.Result	optimizeAndMarkPlanChanges(PlanNode plan, PlanOptimizer.Context context)	Optimize the plan and return the changes made to the plan.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.sql.planner.optimizations.AdaptivePlanOptimizer

optimize

Constructor Details

IterativeOptimizer

public IterativeOptimizer(PlannerContext plannerContext,
 RuleStatsRecorder stats,
 StatsCalculator statsCalculator,
 CostCalculator costCalculator,
 Set<Rule<?>> rules)

IterativeOptimizer

public IterativeOptimizer(PlannerContext plannerContext,
 RuleStatsRecorder stats,
 StatsCalculator statsCalculator,
 CostCalculator costCalculator,
 Predicate<Session> useLegacyRules,
 List<PlanOptimizer> legacyRules,
 Set<Rule<?>> newRules)

Method Details

optimizeAndMarkPlanChanges

public AdaptivePlanOptimizer.Result optimizeAndMarkPlanChanges(PlanNode plan,
 PlanOptimizer.Context context)

Description copied from interface: AdaptivePlanOptimizer

Optimize the plan and return the changes made to the plan.

Specified by:

optimizeAndMarkPlanChanges in interface AdaptivePlanOptimizer

getRules

public Set<Rule<?>> getRules()