Package io.trino.operator.aggregation.histogram

Class HistogramStateFactory

java.lang.Object

io.trino.operator.aggregation.histogram.HistogramStateFactory

All Implemented Interfaces:

AccumulatorStateFactory<HistogramState>

public class HistogramStateFactory
extends Object
implements AccumulatorStateFactory<HistogramState>

Field Summary

Fields

Modifier and Type	Field	Description
static final int	EXPECTED_SIZE_FOR_HASHING

Constructor Summary

Constructors

Constructor	Description
HistogramStateFactory(Type type, BlockTypeOperators.BlockPositionEqual equalOperator, BlockTypeOperators.BlockPositionHashCode hashCodeOperator)

Method Summary

Modifier and Type	Method	Description
HistogramState	createGroupedState()
HistogramState	createSingleState()

Methods inherited from class java.lang.Object

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

Field Details

EXPECTED_SIZE_FOR_HASHING

public static final int EXPECTED_SIZE_FOR_HASHING

See Also:

• Constant Field Values

Constructor Details

HistogramStateFactory

public HistogramStateFactory(Type type,
 BlockTypeOperators.BlockPositionEqual equalOperator,
 BlockTypeOperators.BlockPositionHashCode hashCodeOperator)

Method Details

createSingleState

public HistogramState createSingleState()

Specified by:

createSingleState in interface AccumulatorStateFactory<HistogramState>

createGroupedState

public HistogramState createGroupedState()

Specified by:

createGroupedState in interface AccumulatorStateFactory<HistogramState>