io.prestosql.sql.planner.iterative

Interface Rule<T>

All Known Implementing Classes:

AddIntermediateAggregations, CreatePartialTopN, DetermineJoinDistributionType, DetermineSemiJoinDistributionType, EliminateCrossJoins, EvaluateZeroSample, ExtractSpatialJoins.ExtractSpatialInnerJoin, ExtractSpatialJoins.ExtractSpatialLeftJoin, GatherAndMergeWindows.MergeAdjacentWindowsOverProjects, GatherAndMergeWindows.SwapAdjacentWindowsBySpecifications, ImplementBernoulliSampleAsFilter, ImplementFilteredAggregations, ImplementOffset, InlineProjections, MergeFilters, MergeLimitOverProjectWithSort, MergeLimits, MergeLimitWithDistinct, MergeLimitWithSort, MergeLimitWithTopN, MultipleDistinctAggregationToMarkDistinct, ProjectOffPushDownRule, PruneAggregationColumns, PruneAggregationSourceColumns, PruneCountAggregationOverScalar, PruneCrossJoinColumns, PruneFilterColumns, PruneIndexSourceColumns, PruneJoinChildrenColumns, PruneJoinColumns, PruneLimitColumns, PruneMarkDistinctColumns, PruneOrderByInAggregation, PruneOutputColumns, PruneProjectColumns, PruneSemiJoinColumns, PruneSemiJoinFilteringSourceColumns, PruneTableScanColumns, PruneTopNColumns, PruneValuesColumns, PruneWindowColumns, PushAggregationThroughOuterJoin, PushLimitIntoTableScan, PushLimitThroughMarkDistinct, PushLimitThroughOffset, PushLimitThroughOuterJoin, PushLimitThroughProject, PushLimitThroughSemiJoin, PushLimitThroughUnion, PushOffsetThroughProject, PushPartialAggregationThroughExchange, PushPartialAggregationThroughJoin, PushPredicateIntoTableScan, PushProjectionThroughExchange, PushProjectionThroughUnion, PushRemoteExchangeThroughAssignUniqueId, PushSampleIntoTableScan, PushTableWriteThroughUnion, PushTopNThroughOuterJoin, PushTopNThroughProject, PushTopNThroughUnion, RemoveAggregationInSemiJoin, RemoveEmptyDelete, RemoveFullSample, RemoveRedundantDistinctLimit, RemoveRedundantIdentityProjections, RemoveRedundantLimit, RemoveRedundantSort, RemoveRedundantTopN, RemoveTrivialFilters, RemoveUnreferencedScalarApplyNodes, RemoveUnreferencedScalarLateralNodes, ReorderJoins, RewriteSpatialPartitioningAggregation, SimplifyCountOverConstant, SingleDistinctAggregationToGroupBy, TransformCorrelatedInPredicateToJoin, TransformCorrelatedLateralJoinToJoin, TransformCorrelatedScalarAggregationToJoin, TransformCorrelatedScalarSubquery, TransformCorrelatedSingleRowSubqueryToProject, TransformExistsApplyToLateralNode, TransformUncorrelatedInPredicateSubqueryToSemiJoin, TransformUncorrelatedLateralToJoin

public interface Rule<T>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Rule.Context
static class	Rule.Result

Method Summary

Modifier and Type	Method and Description
Rule.Result	apply(T node, Captures captures, Rule.Context context)
Pattern<T>	getPattern() Returns a pattern to which plan nodes this rule applies.
default boolean	isEnabled(Session session)

Method Detail

getPattern

Pattern<T> getPattern()

Returns a pattern to which plan nodes this rule applies.

isEnabled

default boolean isEnabled(Session session)

apply

Rule.Result apply(T node,
                  Captures captures,
                  Rule.Context context)