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1 <?php
2 /**
3  * Delete self-references to $wgServer from the externallinks table.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  * http://www.gnu.org/copyleft/gpl.html
19  *
20  * @file
21  * @ingroup Maintenance
22  */
23
24 require_once __DIR__ . '/Maintenance.php';
25
26 /**
27  * Maintenance script that deletes self-references to $wgServer
28  * from the externallinks table.
29  *
30  * @ingroup Maintenance
31  */
32 class DeleteSelfExternals extends Maintenance {
33         public function __construct() {
34                 parent::__construct();
35                 $this->addDescription( 'Delete self-references to $wgServer from externallinks' );
36                 $this->mBatchSize = 1000;
37         }
38
39         public function execute() {
40                 global $wgServer;
41                 $this->output( "Deleting self externals from $wgServer\n" );
42                 $db = $this->getDB( DB_MASTER );
43                 while ( 1 ) {
44                         wfWaitForSlaves();
45                         $this->commitTransaction( $db, __METHOD__ );
46                         $q = $db->limitResult( "DELETE /* deleteSelfExternals */ FROM externallinks WHERE el_to"
47                                 . $db->buildLike( $wgServer . '/', $db->anyString() ), $this->mBatchSize );
48                         $this->output( "Deleting a batch\n" );
49                         $db->query( $q );
50                         if ( !$db->affectedRows() ) {
51                                 return;
52                         }
53                 }
54         }
55 }
56
57 $maintClass = "DeleteSelfExternals";
58 require_once RUN_MAINTENANCE_IF_MAIN;