io.prestosql.cost

Class FilterStatsRule

java.lang.Object

io.prestosql.cost.SimpleStatsRule<FilterNode>

io.prestosql.cost.FilterStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<FilterNode>

public class FilterStatsRule
extends SimpleStatsRule<FilterNode>

Constructor Summary

Constructors

Constructor and Description
FilterStatsRule(StatsNormalizer normalizer, FilterStatsCalculator filterStatsCalculator)

Method Summary

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

FilterStatsRule

public FilterStatsRule(StatsNormalizer normalizer,
                       FilterStatsCalculator filterStatsCalculator)

Method Detail

getPattern

public Pattern<FilterNode> getPattern()

doCalculate

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

Specified by:

doCalculate in class SimpleStatsRule<FilterNode>