com.datastrato.gravitino.dto.rel.partitions

Class TruncatePartitioningDTO

java.lang.Object

com.datastrato.gravitino.dto.rel.partitions.TruncatePartitioningDTO

All Implemented Interfaces:

Partitioning, Expression, Transform

public final class TruncatePartitioningDTO
extends java.lang.Object
implements Partitioning

Nested Class Summary

Nested classes/interfaces inherited from interface com.datastrato.gravitino.dto.rel.partitions.Partitioning

Partitioning.SingleFieldPartitioning, Partitioning.Strategy

Nested classes/interfaces inherited from interface com.datastrato.gravitino.rel.expressions.transforms.Transform

Transform.SingleFieldTransform

Field Summary

Fields inherited from interface com.datastrato.gravitino.dto.rel.partitions.Partitioning

EMPTY_PARTITIONING

Fields inherited from interface com.datastrato.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
Expression[]	arguments()
java.lang.String[]	fieldName()
java.lang.String	name()
static TruncatePartitioningDTO	of(int width, java.lang.String[] fieldName)
Partitioning.Strategy	strategy()
void	validate(ColumnDTO[] columns)
int	width()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.datastrato.gravitino.rel.expressions.transforms.Transform

assignments, children

Methods inherited from interface com.datastrato.gravitino.rel.expressions.Expression

references

Method Detail

of

public static TruncatePartitioningDTO of(int width,
                                         java.lang.String[] fieldName)

width

public int width()

fieldName

public java.lang.String[] fieldName()

name

public java.lang.String name()

Specified by:

name in interface Transform

Returns:

The transform function name.

arguments

public Expression[] arguments()

Specified by:

arguments in interface Transform

Returns:

The arguments passed to the transform function.

strategy

public Partitioning.Strategy strategy()

Specified by:

strategy in interface Partitioning

validate

public void validate(ColumnDTO[] columns)
              throws java.lang.IllegalArgumentException

Specified by:

validate in interface Partitioning

Throws:

java.lang.IllegalArgumentException