Package io.trino.cost

Interface ComposableStatsCalculator.Rule<T extends PlanNode>

All Known Implementing Classes:

AggregationStatsRule, AssignUniqueIdStatsRule, DistinctLimitStatsRule, DynamicFilterSourceStatsRule, EnforceSingleRowStatsRule, ExchangeStatsRule, FilterProjectAggregationStatsRule, FilterStatsRule, JoinStatsRule, LimitStatsRule, OutputStatsRule, ProjectStatsRule, RowNumberStatsRule, SampleStatsRule, SemiJoinStatsRule, SimpleFilterProjectSemiJoinStatsRule, SimpleStatsRule, SortStatsRule, SpatialJoinStatsRule, TableScanStatsRule, TopNStatsRule, UnionStatsRule, ValuesStatsRule

Enclosing class:

ComposableStatsCalculator

public static interface ComposableStatsCalculator.Rule<T extends PlanNode>

Method Summary

Modifier and Type	Method	Description
Optional<PlanNodeStatsEstimate>	calculate(T node, StatsCalculator.Context context)
Pattern<T>	getPattern()

Method Details

getPattern

Pattern<T> getPattern()

calculate

Optional<PlanNodeStatsEstimate> calculate(T node,
 StatsCalculator.Context context)