io.prestosql.cost

Class LimitStatsRule

java.lang.Object

io.prestosql.cost.SimpleStatsRule<LimitNode>

io.prestosql.cost.LimitStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<LimitNode>

public class LimitStatsRule
extends SimpleStatsRule<LimitNode>

Constructor Summary

Constructors

Constructor and Description
LimitStatsRule(StatsNormalizer normalizer)

Method Summary

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

Methods inherited from class io.prestosql.cost.SimpleStatsRule

calculate

Methods inherited from class java.lang.Object

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

Constructor Detail

LimitStatsRule

public LimitStatsRule(StatsNormalizer normalizer)

Method Detail

getPattern

public Pattern<LimitNode> getPattern()

doCalculate

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

Specified by:

doCalculate in class SimpleStatsRule<LimitNode>