Package io.trino.operator.aggregation

Class GroupedAggregator

java.lang.Object

io.trino.operator.aggregation.GroupedAggregator

public class GroupedAggregator
extends Object

Constructor Summary

Constructors

Constructor	Description
GroupedAggregator(GroupedAccumulator accumulator, AggregationNode.Step step, Type intermediateType, Type finalType, List<Integer> inputChannels, OptionalInt maskChannel, AggregationMaskBuilder maskBuilder)

Method Summary

Modifier and Type	Method	Description
void	evaluate(int groupId, BlockBuilder output)
long	getEstimatedSize()
Type	getSpillType()
Type	getType()
void	prepareFinal()
void	processPage(int groupCount, int[] groupIds, Page page)
void	setSpillOutput()

Methods inherited from class java.lang.Object

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

Constructor Details

GroupedAggregator

public GroupedAggregator(GroupedAccumulator accumulator,
 AggregationNode.Step step,
 Type intermediateType,
 Type finalType,
 List<Integer> inputChannels,
 OptionalInt maskChannel,
 AggregationMaskBuilder maskBuilder)

Method Details

getEstimatedSize

public long getEstimatedSize()

getType

public Type getType()

processPage

public void processPage(int groupCount,
 int[] groupIds,
 Page page)

prepareFinal

public void prepareFinal()

evaluate

public void evaluate(int groupId,
 BlockBuilder output)

setSpillOutput

public void setSpillOutput()

getSpillType

public Type getSpillType()