Package io.trino.operator.aggregation.state

Interface VarianceState

All Superinterfaces:

AccumulatorState

public interface VarianceState
extends AccumulatorState

Method Summary

Modifier and Type	Method	Description
long	getCount()
double	getM2()
double	getMean()
default void	merge(VarianceState otherState)
void	setCount(long value)
void	setM2(double value)
void	setMean(double value)
default void	update(double value)

Methods inherited from interface io.trino.spi.function.AccumulatorState

copy, getEstimatedSize

Method Details

getCount

long getCount()

setCount

void setCount(long value)

getMean

double getMean()

setMean

void setMean(double value)

getM2

double getM2()

setM2

void setM2(double value)

update

default void update(double value)

merge

default void merge(VarianceState otherState)