W3cubDocs

Enum Class PseudoColumnUsage

java.lang.Object

java.lang.Enum<PseudoColumnUsage>

java.sql.PseudoColumnUsage

All Implemented Interfaces:: Serializable, Comparable<PseudoColumnUsage>, Constable

public enum PseudoColumnUsage extends Enum<PseudoColumnUsage>

Enumeration for pseudo/hidden column usage.

Since:

1.7

See Also:

Nested Class Summary

Nested classes/interfaces declared in class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constant	Description
`NO_USAGE_RESTRICTIONS`	There are no restrictions on the usage of the pseudo/hidden columns.
`SELECT_LIST_ONLY`	The pseudo/hidden column may only be used in a SELECT list.
`USAGE_UNKNOWN`	The usage of the pseudo/hidden column cannot be determined.
`WHERE_CLAUSE_ONLY`	The pseudo/hidden column may only be used in a WHERE clause.

Method Summary

Modifier and Type	Method	Description
`static PseudoColumnUsage`	`valueOf(String name)`	Returns the enum constant of this class with the specified name.
`static PseudoColumnUsage[]`	`values()`	Returns an array containing the constants of this enum class, in the order they are declared.

Methods declared in class java.lang.Enum

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

Methods declared in class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

SELECT_LIST_ONLY

public static final PseudoColumnUsage SELECT_LIST_ONLY

The pseudo/hidden column may only be used in a SELECT list.

WHERE_CLAUSE_ONLY

public static final PseudoColumnUsage WHERE_CLAUSE_ONLY

The pseudo/hidden column may only be used in a WHERE clause.

NO_USAGE_RESTRICTIONS

public static final PseudoColumnUsage NO_USAGE_RESTRICTIONS

There are no restrictions on the usage of the pseudo/hidden columns.

USAGE_UNKNOWN

public static final PseudoColumnUsage USAGE_UNKNOWN

The usage of the pseudo/hidden column cannot be determined.

Method Details

values

public static PseudoColumnUsage[] 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 PseudoColumnUsage 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

© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.sql/java/sql/PseudoColumnUsage.html