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58 lines
816 B
58 lines
816 B
/*
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.sql;
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/**
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* Enumeration for pseudo/hidden column usage.
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*
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* @since 1.7
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* @see DatabaseMetaData#getPseudoColumns
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*/
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public enum PseudoColumnUsage {
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/**
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* The pseudo/hidden column may only be used in a SELECT list.
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*/
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SELECT_LIST_ONLY,
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/**
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* The pseudo/hidden column may only be used in a WHERE clause.
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*/
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WHERE_CLAUSE_ONLY,
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/**
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* There are no restrictions on the usage of the pseudo/hidden columns.
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*/
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NO_USAGE_RESTRICTIONS,
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/**
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* The usage of the pseudo/hidden column cannot be determined.
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*/
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USAGE_UNKNOWN
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}
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