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*
* This file incorporates work covered by the following license notice:
*
* 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
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*/
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
com::sun::star::sdbc::XResultSet
objects returned by the methods
com::sun::star::sdbc::XDatabaseMetaData::getImportedKeys(),
com::sun::star::sdbc::XDatabaseMetaData::getExportedKeys(),
and com::sun::star::sdbc::XDatabaseMetaData::getCrossReference().
<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
com::sun::star::sdbc::XResultSet
objects returned by the methods
com::sun::star::sdbc::XDatabaseMetaData::getImportedKeys(),
com::sun::star::sdbc::XDatabaseMetaData::getExportedKeys(),
and com::sun::star::sdbc::XDatabaseMetaData::getCrossReference().
<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
com::sun::star::sdbc::XResultSet
objects returned by the methods
com::sun::star::sdbc::XDatabaseMetaData::getImportedKeys(),
com::sun::star::sdbc::XDatabaseMetaData::getExportedKeys(),
and com::sun::star::sdbc::XDatabaseMetaData::getCrossReference().
<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
com::sun::star::sdbc::XResultSet
objects returned by the methods
com::sun::star::sdbc::XDatabaseMetaData::getImportedKeys(),
com::sun::star::sdbc::XDatabaseMetaData::getExportedKeys(),
and com::sun::star::sdbc::XDatabaseMetaData::getCrossReference().
<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
com::sun::star::sdbc::XResultSet
objects returned by the methods
com::sun::star::sdbc::XDatabaseMetaData::getImportedKeys(),
com::sun::star::sdbc::XDatabaseMetaData::getExportedKeys(),
and com::sun::star::sdbc::XDatabaseMetaData::getCrossReference().
<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;
};
}; }; }; };
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