Package io.trino.cost

Class SampleStatsRule

java.lang.Object

io.trino.cost.SimpleStatsRule<SampleNode>

io.trino.cost.SampleStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<SampleNode>

public class SampleStatsRule
extends SimpleStatsRule<SampleNode>

Constructor Summary

Constructors

Constructor	Description
SampleStatsRule(StatsNormalizer normalizer)

Method Summary

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

SampleStatsRule

public SampleStatsRule(StatsNormalizer normalizer)

Method Detail

getPattern

public Pattern<SampleNode> getPattern()

doCalculate

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

Specified by:

doCalculate in class SimpleStatsRule<SampleNode>