maintenance/deleteSelfExternals.php

   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;