org.apache.gravitino.dto.rel.partitioning

Class IdentityPartitioningDTO

java.lang.Object

org.apache.gravitino.dto.rel.partitioning.Partitioning.SingleFieldPartitioning

org.apache.gravitino.dto.rel.partitioning.IdentityPartitioningDTO

All Implemented Interfaces:

Partitioning, Expression, Transform

public final class IdentityPartitioningDTO
extends Partitioning.SingleFieldPartitioning

Represents the identity partitioning.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.gravitino.dto.rel.partitioning.Partitioning

Partitioning.SingleFieldPartitioning, Partitioning.Strategy

Nested classes/interfaces inherited from interface org.apache.gravitino.rel.expressions.transforms.Transform

Transform.SingleFieldTransform

Field Summary

Fields inherited from interface org.apache.gravitino.dto.rel.partitioning.Partitioning

EMPTY_PARTITIONING

Fields inherited from interface org.apache.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
static IdentityPartitioningDTO	of(java.lang.String... fieldName) Creates a new IdentityPartitioningDTO.
Partitioning.Strategy	strategy() Returns the name of the partitioning strategy.

Methods inherited from class org.apache.gravitino.dto.rel.partitioning.Partitioning.SingleFieldPartitioning

arguments, fieldName, name, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.gravitino.rel.expressions.transforms.Transform

assignments, children

Methods inherited from interface org.apache.gravitino.rel.expressions.Expression

references

Method Detail

of

public static IdentityPartitioningDTO of(java.lang.String... fieldName)

Creates a new IdentityPartitioningDTO.

Parameters:

fieldName - The name of the field to partition.

Returns:

The new IdentityPartitioningDTO.

strategy

public Partitioning.Strategy strategy()

Description copied from interface: Partitioning

Returns the name of the partitioning strategy.

Returns:

The strategy of the partitioning.