Package io.prestosql.cost
Class SimpleStatsRule<T extends PlanNode>
- java.lang.Object
-
- io.prestosql.cost.SimpleStatsRule<T>
-
- All Implemented Interfaces:
ComposableStatsCalculator.Rule<T>
- Direct Known Subclasses:
AggregationStatsRule
,EnforceSingleRowStatsRule
,ExchangeStatsRule
,FilterStatsRule
,JoinStatsRule
,LimitStatsRule
,ProjectStatsRule
,RowNumberStatsRule
,SimpleFilterProjectSemiJoinStatsRule
,SpatialJoinStatsRule
,TableScanStatsRule
,TopNStatsRule
,UnionStatsRule
public abstract class SimpleStatsRule<T extends PlanNode> extends Object implements ComposableStatsCalculator.Rule<T>
-
-
Constructor Summary
Constructors Modifier Constructor Description protected
SimpleStatsRule(StatsNormalizer normalizer)
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description Optional<PlanNodeStatsEstimate>
calculate(T node, StatsProvider sourceStats, Lookup lookup, Session session, TypeProvider types)
protected abstract Optional<PlanNodeStatsEstimate>
doCalculate(T node, StatsProvider sourceStats, Lookup lookup, Session session, TypeProvider types)
-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface io.prestosql.cost.ComposableStatsCalculator.Rule
getPattern
-
-
-
-
Constructor Detail
-
SimpleStatsRule
protected SimpleStatsRule(StatsNormalizer normalizer)
-
-
Method Detail
-
calculate
public final Optional<PlanNodeStatsEstimate> calculate(T node, StatsProvider sourceStats, Lookup lookup, Session session, TypeProvider types)
- Specified by:
calculate
in interfaceComposableStatsCalculator.Rule<T extends PlanNode>
-
doCalculate
protected abstract Optional<PlanNodeStatsEstimate> doCalculate(T node, StatsProvider sourceStats, Lookup lookup, Session session, TypeProvider types)
-
-