Package io.trino.cost

Class FilterStatsRule

java.lang.Object

io.trino.cost.SimpleStatsRule<FilterNode>

io.trino.cost.FilterStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<FilterNode>

public class FilterStatsRule
extends SimpleStatsRule<FilterNode>

Constructor Summary

Constructors

Constructor	Description
FilterStatsRule(StatsNormalizer normalizer, FilterStatsCalculator filterStatsCalculator)

Method Summary

Modifier and Type	Method	Description
Optional<PlanNodeStatsEstimate>	doCalculate(FilterNode node, StatsCalculator.Context context)
Pattern<FilterNode>	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

FilterStatsRule

public FilterStatsRule(StatsNormalizer normalizer,
 FilterStatsCalculator filterStatsCalculator)

Method Details

getPattern

public Pattern<FilterNode> getPattern()

doCalculate

public Optional<PlanNodeStatsEstimate> doCalculate(FilterNode node,
 StatsCalculator.Context context)

Specified by:

doCalculate in class SimpleStatsRule<FilterNode>