org.apache.paimon.mergetree.compact.aggregate

Class FieldLastValueAgg

java.lang.Object

org.apache.paimon.mergetree.compact.aggregate.FieldAggregator

org.apache.paimon.mergetree.compact.aggregate.FieldLastValueAgg

All Implemented Interfaces:

Serializable

public class FieldLastValueAgg
extends FieldAggregator

last value aggregate a field of a row.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME

Fields inherited from class org.apache.paimon.mergetree.compact.aggregate.FieldAggregator

fieldType

Constructor Summary

Constructors

Constructor and Description
FieldLastValueAgg(DataType dataType)

Method Summary

Modifier and Type	Method and Description
Object	agg(Object accumulator, Object inputField)
Object	retract(Object accumulator, Object retractField)

Methods inherited from class org.apache.paimon.mergetree.compact.aggregate.FieldAggregator

aggReversed, createFieldAggregator, reset

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

FieldLastValueAgg

public FieldLastValueAgg(DataType dataType)

Method Detail

agg

public Object agg(Object accumulator,
                  Object inputField)

Specified by:

agg in class FieldAggregator

retract

public Object retract(Object accumulator,
                      Object retractField)

Overrides:

retract in class FieldAggregator