Package io.trino.execution.scheduler.faulttolerant

Class CompositeOutputStatsEstimator

java.lang.Object

io.trino.execution.scheduler.faulttolerant.CompositeOutputStatsEstimator

All Implemented Interfaces:

OutputStatsEstimator

public class CompositeOutputStatsEstimator
extends Object
implements OutputStatsEstimator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CompositeOutputStatsEstimator.Factory
static @interface	CompositeOutputStatsEstimator.ForCompositeOutputDataSizeEstimator

Nested classes/interfaces inherited from interface io.trino.execution.scheduler.faulttolerant.OutputStatsEstimator

OutputStatsEstimator.OutputStatsEstimateResult

Field Summary

Fields inherited from interface io.trino.execution.scheduler.faulttolerant.OutputStatsEstimator

UNKNOWN

Method Summary

Modifier and Type	Method	Description
Optional<OutputStatsEstimator.OutputStatsEstimateResult>	getEstimatedOutputStats(EventDrivenFaultTolerantQueryScheduler.StageExecution stageExecution, Function<StageId,EventDrivenFaultTolerantQueryScheduler.StageExecution> stageExecutionLookup, boolean parentEager)

Methods inherited from class java.lang.Object

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

Method Details

getEstimatedOutputStats

public Optional<OutputStatsEstimator.OutputStatsEstimateResult> getEstimatedOutputStats(EventDrivenFaultTolerantQueryScheduler.StageExecution stageExecution,
 Function<StageId,EventDrivenFaultTolerantQueryScheduler.StageExecution> stageExecutionLookup,
 boolean parentEager)

Specified by:

getEstimatedOutputStats in interface OutputStatsEstimator