Package io.trino.operator.aggregation.histogram

Class SingleHistogramState

java.lang.Object

io.trino.operator.aggregation.histogram.SingleHistogramState

All Implemented Interfaces:

HistogramState, AccumulatorState

public class SingleHistogramState
extends Object
implements HistogramState

Constructor Summary

Constructors

Constructor	Description
SingleHistogramState(Type keyType, MethodHandle readFlat, MethodHandle writeFlat, MethodHandle hashFlat, MethodHandle distinctFlatBlock, MethodHandle hashBlock)

Method Summary

Modifier and Type	Method	Description
void	add(ValueBlock block, int position, long count)
long	getEstimatedSize()
void	writeAll(MapBlockBuilder out)

Methods inherited from class java.lang.Object

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

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

copy

Methods inherited from interface io.trino.operator.aggregation.histogram.HistogramState

merge

Constructor Details

SingleHistogramState

public SingleHistogramState(Type keyType,
 MethodHandle readFlat,
 MethodHandle writeFlat,
 MethodHandle hashFlat,
 MethodHandle distinctFlatBlock,
 MethodHandle hashBlock)

Method Details

add

public void add(ValueBlock block,
 int position,
 long count)

Specified by:

add in interface HistogramState

writeAll

public void writeAll(MapBlockBuilder out)

Specified by:

writeAll in interface HistogramState

getEstimatedSize

public long getEstimatedSize()

Specified by:

getEstimatedSize in interface AccumulatorState