Package io.trino.cost

Class AssignUniqueIdStatsRule

java.lang.Object

io.trino.cost.AssignUniqueIdStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<AssignUniqueId>

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

Constructor Summary

Constructors

Constructor	Description
AssignUniqueIdStatsRule()

Method Summary

Modifier and Type	Method	Description
Optional<PlanNodeStatsEstimate>	calculate(AssignUniqueId assignUniqueId, StatsCalculator.Context context)
Pattern<AssignUniqueId>	getPattern()

Methods inherited from class java.lang.Object

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

Constructor Details

AssignUniqueIdStatsRule

public AssignUniqueIdStatsRule()

Method Details

getPattern

public Pattern<AssignUniqueId> getPattern()

Specified by:

getPattern in interface ComposableStatsCalculator.Rule<AssignUniqueId>

calculate

public Optional<PlanNodeStatsEstimate> calculate(AssignUniqueId assignUniqueId,
 StatsCalculator.Context context)

Specified by:

calculate in interface ComposableStatsCalculator.Rule<AssignUniqueId>