xref: /trunk/main/offapi/com/sun/star/sdbc/KeyRule.idl (revision ffd38472365e95f6a578737bc9a5eb0fac624a86)

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 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef __com_sun_star_sdbc_KeyRule_idl__
#define __com_sun_star_sdbc_KeyRule_idl__

 module com {  module sun {  module star {  module sdbc {


/** determines the rules for foreign key constraints.
 */
published constants KeyRule
{

    /** a possible value for the column's
            <code>UPDATE_RULE</code>
            and
            <code>DELETE_RULE</code>
            in the
            <type scope="com::sun::star::sdbc">XResultSet</type>
             objects returned by the methods
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getImportedKeys()</member>
             ,
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getExportedKeys()</member>
             ,
             and
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getCrossReference()</member>
             .
             <P>
             For the column
             <code>UPDATE_RULE</code>
             ,
             it indicates that
             when the primary key is updated, the foreign key (imported key)
             is changed to agree with it.
             </P>
             <P>
             For the column
             <code>DELETE_RULE</code>
            ,
             it indicates that
             when the primary key is deleted, rows that imported that key
             are deleted.
             </P>
     */
    const long CASCADE  = 0;
    //-------------------------------------------------------------------------

    /** a possible value for the column's
             <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
            in the
             <type scope="com::sun::star::sdbc">XResultSet</type>
             objects returned by the methods
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getImportedKeys()</member>
             ,
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getExportedKeys()</member>
             ,
             and
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getCrossReference()</member>
             .
             <P>
             For the column
             <code>UPDATE_RULE</code>
            , it indicates that
             a primary key may not be updated if it has been imported by
             another table as a foreign key.
             </P>
             <P>
             For the column
             <code>DELETE_RULE</code>
            , it indicates that
             a primary key may not be deleted if it has been imported by
             another table as a foreign key.
             </P>
     */
    const long RESTRICT = 1;
    //-------------------------------------------------------------------------

    /** a possible value for the column's
             <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
            in the
             <type scope="com::sun::star::sdbc">XResultSet</type>
              objects returned by the methods
            <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getImportedKeys()</member>
             ,
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getExportedKeys()</member>
             ,
             and
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getCrossReference()</member>
             .
             <P>
             For the columns
             <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
            ,
             it indicates that
             when the primary key is updated or deleted, the foreign key (imported key)
             is changed to <code>NULL</code>.
             </P>
     */
    const long SET_NULL  = 2;
    //-------------------------------------------------------------------------

    /** a possible value for the column's
            <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
             in the
             <type scope="com::sun::star::sdbc">XResultSet</type>
             objects returned by the methods
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getImportedKeys()</member>
             ,
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getExportedKeys()</member>
             ,
             and
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getCrossReference()</member>
             .
             <P>
             For the columns
             <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
            ,
             it indicates that if the primary key has been imported, it cannot be updated or deleted.
             </P>
     */
    const long NO_ACTION = 3;
    //-------------------------------------------------------------------------

    /** a possible value for the column's
            <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
            in the
             <type scope="com::sun::star::sdbc">XResultSet</type>
             objects returned by the methods
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getImportedKeys()</member>
             ,
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getExportedKeys()</member>
             ,
             and
             <member  scope="com::sun::star::sdbc">XDatabaseMetaData::getCrossReference()</member>
             .
             <P>
             For the columns
             <code>UPDATE_RULE</code>
             and
             <code>DELETE_RULE</code>
            ,
             it indicates that
             if the primary key is updated or deleted, the foreign key (imported key)
             is set to the default value.
             </P>
     */
    const long SET_DEFAULT  = 4;
};

//=============================================================================

}; }; }; };

/*===========================================================================
===========================================================================*/
#endif