org.apache.paimon.mergetree.compact.aggregate

Class FieldNestedUpdateAgg

java.lang.Object

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

org.apache.paimon.mergetree.compact.aggregate.FieldNestedUpdateAgg

All Implemented Interfaces:

Serializable

public class FieldNestedUpdateAgg
extends FieldAggregator

Used to update a field which representing a nested table. The data type of nested table field is ARRAY<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
FieldNestedUpdateAgg(ArrayType dataType, List<String> nestedKey)

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

FieldNestedUpdateAgg

public FieldNestedUpdateAgg(ArrayType dataType,
                            List<String> nestedKey)

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