com.facebook.presto.spi.function.aggregation

Interface Accumulator

public interface Accumulator

Method Summary

Modifier and Type	Method and Description
void	addInput(Page page)
void	addInput(WindowIndex index, List<Integer> channels, int startPosition, int endPosition)
void	addIntermediate(Block block)
void	evaluateFinal(BlockBuilder blockBuilder)
void	evaluateIntermediate(BlockBuilder blockBuilder)
long	getEstimatedSize()
Type	getFinalType()
Type	getIntermediateType()

Method Detail

getEstimatedSize

long getEstimatedSize()

getFinalType

Type getFinalType()

getIntermediateType

Type getIntermediateType()

addInput

void addInput(Page page)

addInput

void addInput(WindowIndex index,
              List<Integer> channels,
              int startPosition,
              int endPosition)

addIntermediate

void addIntermediate(Block block)

evaluateIntermediate

void evaluateIntermediate(BlockBuilder blockBuilder)

evaluateFinal

void evaluateFinal(BlockBuilder blockBuilder)