Package io.trino.cost

Class DistinctLimitStatsRule

java.lang.Object

io.trino.cost.SimpleStatsRule<DistinctLimitNode>

io.trino.cost.DistinctLimitStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<DistinctLimitNode>

public class DistinctLimitStatsRule
extends SimpleStatsRule<DistinctLimitNode>

Constructor Summary

Constructors

Constructor	Description
DistinctLimitStatsRule(StatsNormalizer normalizer)

Method Summary

Modifier and Type	Method	Description
protected Optional<PlanNodeStatsEstimate>	doCalculate(DistinctLimitNode node, StatsProvider statsProvider, Lookup lookup, Session session, TypeProvider types, TableStatsProvider tableStatsProvider)
Pattern<DistinctLimitNode>	getPattern()

Methods inherited from class io.trino.cost.SimpleStatsRule

calculate

Methods inherited from class java.lang.Object

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

Constructor Details

DistinctLimitStatsRule

public DistinctLimitStatsRule(StatsNormalizer normalizer)

Method Details

getPattern

public Pattern<DistinctLimitNode> getPattern()

doCalculate

protected Optional<PlanNodeStatsEstimate> doCalculate(DistinctLimitNode node,
 StatsProvider statsProvider,
 Lookup lookup,
 Session session,
 TypeProvider types,
 TableStatsProvider tableStatsProvider)

Specified by:

doCalculate in class SimpleStatsRule<DistinctLimitNode>