io.prestosql.operator.aggregation.builder

Class SpillableHashAggregationBuilder

java.lang.Object

io.prestosql.operator.aggregation.builder.SpillableHashAggregationBuilder

All Implemented Interfaces:

HashAggregationBuilder, AutoCloseable

public class SpillableHashAggregationBuilder
extends Object
implements HashAggregationBuilder

Constructor Summary

Constructors

Constructor and Description

SpillableHashAggregationBuilder(List<AccumulatorFactory> accumulatorFactories, AggregationNode.Step step, int expectedGroups, List<Type> groupByTypes, List<Integer> groupByChannels, Optional<Integer> hashChannel, OperatorContext operatorContext, io.airlift.units.DataSize memoryLimitForMerge, io.airlift.units.DataSize memoryLimitForMergeWithMemory, SpillerFactory spillerFactory, JoinCompiler joinCompiler)

Method Summary

Modifier and Type	Method and Description
WorkProcessor<Page>	buildResult()
void	close()
void	finishMemoryRevoke()
boolean	isFull()
Work<?>	processPage(Page page)
void	recordHashCollisions(HashCollisionsCounter hashCollisionsCounter)
com.google.common.util.concurrent.ListenableFuture<?>	startMemoryRevoke()
void	updateMemory()

Methods inherited from class java.lang.Object

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

Constructor Detail

SpillableHashAggregationBuilder

public SpillableHashAggregationBuilder(List<AccumulatorFactory> accumulatorFactories,
                                       AggregationNode.Step step,
                                       int expectedGroups,
                                       List<Type> groupByTypes,
                                       List<Integer> groupByChannels,
                                       Optional<Integer> hashChannel,
                                       OperatorContext operatorContext,
                                       io.airlift.units.DataSize memoryLimitForMerge,
                                       io.airlift.units.DataSize memoryLimitForMergeWithMemory,
                                       SpillerFactory spillerFactory,
                                       JoinCompiler joinCompiler)

Method Detail

processPage

public Work<?> processPage(Page page)

Specified by:

processPage in interface HashAggregationBuilder

updateMemory

public void updateMemory()

Specified by:

updateMemory in interface HashAggregationBuilder

recordHashCollisions

public void recordHashCollisions(HashCollisionsCounter hashCollisionsCounter)

Specified by:

recordHashCollisions in interface HashAggregationBuilder

isFull

public boolean isFull()

Specified by:

isFull in interface HashAggregationBuilder

startMemoryRevoke

public com.google.common.util.concurrent.ListenableFuture<?> startMemoryRevoke()

Specified by:

startMemoryRevoke in interface HashAggregationBuilder

finishMemoryRevoke

public void finishMemoryRevoke()

Specified by:

finishMemoryRevoke in interface HashAggregationBuilder

buildResult

public WorkProcessor<Page> buildResult()

Specified by:

buildResult in interface HashAggregationBuilder

close

public void close()

Specified by:

close in interface HashAggregationBuilder

Specified by:

close in interface AutoCloseable