io.prestosql.sql.planner.optimizations

Interface PlanOptimizer

All Known Implementing Classes:

AddExchanges, AddLocalExchanges, BeginTableWrite, CheckSubqueryNodesAreRewritten, HashGenerationOptimizer, ImplementIntersectAndExceptAsUnion, IndexJoinOptimizer, IterativeOptimizer, LimitPushDown, MetadataDeleteOptimizer, MetadataQueryOptimizer, OptimizeMixedDistinctAggregations, PredicatePushDown, PruneUnreferencedOutputs, ReplicateSemiJoinInDelete, SetFlatteningOptimizer, StatsRecordingPlanOptimizer, TransformQuantifiedComparisonApplyToLateralJoin, UnaliasSymbolReferences, WindowFilterPushDown

public interface PlanOptimizer

Method Summary

Modifier and Type	Method and Description
PlanNode	optimize(PlanNode plan, Session session, TypeProvider types, SymbolAllocator symbolAllocator, PlanNodeIdAllocator idAllocator, WarningCollector warningCollector)

Method Detail

optimize

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