Package io.trino.sql.planner.iterative

Class IterativeOptimizer

java.lang.Object

io.trino.sql.planner.iterative.IterativeOptimizer

All Implemented Interfaces:

PlanOptimizer

public class IterativeOptimizer
extends Object
implements PlanOptimizer

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()
PlanNode	optimize(PlanNode plan, Session session, TypeProvider types, SymbolAllocator symbolAllocator, PlanNodeIdAllocator idAllocator, WarningCollector warningCollector, PlanOptimizersStatsCollector planOptimizersStatsCollector, TableStatsProvider tableStatsProvider)

Methods inherited from class java.lang.Object

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

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

optimize

public PlanNode optimize(PlanNode plan,
 Session session,
 TypeProvider types,
 SymbolAllocator symbolAllocator,
 PlanNodeIdAllocator idAllocator,
 WarningCollector warningCollector,
 PlanOptimizersStatsCollector planOptimizersStatsCollector,
 TableStatsProvider tableStatsProvider)

Specified by:

optimize in interface PlanOptimizer

getRules

public Set<Rule<?>> getRules()