io.prestosql.cost

Class AssignUniqueIdStatsRule

java.lang.Object

io.prestosql.cost.AssignUniqueIdStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<AssignUniqueId>

public class AssignUniqueIdStatsRule
extends Object
implements ComposableStatsCalculator.Rule<AssignUniqueId>

Constructor Summary

Constructors

Constructor and Description
AssignUniqueIdStatsRule()

Method Summary

Modifier and Type	Method and Description
Optional<PlanNodeStatsEstimate>	calculate(AssignUniqueId assignUniqueId, StatsProvider statsProvider, Lookup lookup, Session session, TypeProvider types)
Pattern<AssignUniqueId>	getPattern()

Methods inherited from class java.lang.Object

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

Constructor Detail

AssignUniqueIdStatsRule

public AssignUniqueIdStatsRule()

Method Detail

getPattern

public Pattern<AssignUniqueId> getPattern()

Specified by:

getPattern in interface ComposableStatsCalculator.Rule<AssignUniqueId>

calculate

public Optional<PlanNodeStatsEstimate> calculate(AssignUniqueId assignUniqueId,
                                                 StatsProvider statsProvider,
                                                 Lookup lookup,
                                                 Session session,
                                                 TypeProvider types)

Specified by:

calculate in interface ComposableStatsCalculator.Rule<AssignUniqueId>