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, StatsCalculator.Context context)
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 Details

SampleStatsRule

public SampleStatsRule(StatsNormalizer normalizer)

Method Details

getPattern

public Pattern<SampleNode> getPattern()

doCalculate

protected Optional<PlanNodeStatsEstimate> doCalculate(SampleNode node,
 StatsCalculator.Context context)

Specified by:

doCalculate in class SimpleStatsRule<SampleNode>