/*

* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

*

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*

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*/

package java.sql;

/**

* Enumeration for pseudo/hidden column usage.

*

* @since 1.7

* @see DatabaseMetaData#getPseudoColumns

*/

public enum PseudoColumnUsage {

/**

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

*/

SELECT_LIST_ONLY,

/**

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

*/

WHERE_CLAUSE_ONLY,

/**

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

*/

NO_USAGE_RESTRICTIONS,

/**

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

*/

USAGE_UNKNOWN

}