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<?php
/**
* Delete one or more revisions by moving them to the archive table.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that deletes one or more revisions by moving them
* to the archive table.
*
* @ingroup Maintenance
*/
class DeleteRevision extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Delete one or more revisions by moving them to the archive table";
}
public function execute() {
if ( count( $this->mArgs ) == 0 ) {
$this->error( "No revisions specified", true );
}
$this->output( "Deleting revision(s) " . implode( ',', $this->mArgs ) .
" from " . wfWikiID() . "...\n" );
$dbw = wfGetDB( DB_MASTER );
$affected = 0;
foreach ( $this->mArgs as $revID ) {
$dbw->insertSelect( 'archive', array( 'page', 'revision' ),
array(
'ar_namespace' => 'page_namespace',
'ar_title' => 'page_title',
'ar_page_id' => 'page_id',
'ar_comment' => 'rev_comment',
'ar_user' => 'rev_user',
'ar_user_text' => 'rev_user_text',
'ar_timestamp' => 'rev_timestamp',
'ar_minor_edit' => 'rev_minor_edit',
'ar_rev_id' => 'rev_id',
'ar_text_id' => 'rev_text_id',
'ar_deleted' => 'rev_deleted',
'ar_len' => 'rev_len',
), array(
'rev_id' => $revID,
'page_id = rev_page'
), __METHOD__
);
if ( !$dbw->affectedRows() ) {
$this->output( "Revision $revID not found\n" );
} else {
$affected += $dbw->affectedRows();
$pageID = $dbw->selectField( 'revision', 'rev_page', array( 'rev_id' => $revID ), __METHOD__ );
$pageLatest = $dbw->selectField( 'page', 'page_latest', array( 'page_id' => $pageID ), __METHOD__ );
$dbw->delete( 'revision', array( 'rev_id' => $revID ) );
if ( $pageLatest == $revID ) {
// Database integrity
$newLatest = $dbw->selectField( 'revision', 'rev_id', array( 'rev_page' => $pageID ), __METHOD__, array( 'ORDER BY' => 'rev_timestamp DESC' ) );
$dbw->update( 'page', array( 'page_latest' => $newLatest ), array( 'page_id' => $pageID ), __METHOD__ );
}
}
}
$this->output( "Deleted $affected revisions\n" );
}
}
$maintClass = "DeleteRevision";
require_once RUN_MAINTENANCE_IF_MAIN;
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