Package org.gridgain.tpcds

Enum Class NullsOrdering

java.lang.Object

java.lang.Enum<NullsOrdering>

org.gridgain.tpcds.NullsOrdering

All Implemented Interfaces:

Serializable, Comparable<NullsOrdering>, Constable

public enum NullsOrdering
extends Enum<NullsOrdering>

Specifies the ordering of NULL values in query results.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
NULLS_FIRST
NULLS_LAST

Method Summary

Modifier and Type	Method	Description
String	fileNameSuffix()	Returns the lowercase filename suffix used for organizing answer files by null ordering.
static NullsOrdering	valueOf(String name)	Returns the enum constant of this class with the specified name.
static NullsOrdering[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

NULLS_FIRST

public static final NullsOrdering NULLS_FIRST

NULLS_LAST

public static final NullsOrdering NULLS_LAST

Method Details

values

public static NullsOrdering[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static NullsOrdering valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

fileNameSuffix

public String fileNameSuffix()

Returns the lowercase filename suffix used for organizing answer files by null ordering.

Returns:

the lowercase name of the null ordering (e.g., "nulls_first" or "nulls_last")