maintenance/deleteArchivedRevisions.php

   1 <?php
   2
   3 /**
   4  * Delete archived (deleted from public) revisions from the database
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @ingroup Maintenance
  22  * @author Aaron Schulz
  23  * Shamelessly stolen from deleteOldRevisions.php by Rob Church :)
  24  */
  25
  26 require_once( dirname(__FILE__) . '/Maintenance.php' );
  27
  28 class DeleteArchivedRevisions extends Maintenance {
  29         public function __construct() {
  30                 parent::__construct();
  31                 $this->mDescription = "Deletes all archived revisions\nThese revisions will no longer be restorable";
  32                 $this->addOption( 'delete', 'Performs the deletion' );
  33         }
  34
  35         public function execute() {
  36                 $this->output( "Delete archived revisions\n\n" );
  37                 # Data should come off the master, wrapped in a transaction
  38                 $dbw = wfGetDB( DB_MASTER );
  39                 if( $this->hasOption('delete') ) {
  40                         $dbw->begin();
  41
  42                         $tbl_arch = $dbw->tableName( 'archive' );
  43
  44                         # Delete as appropriate
  45                         $this->output( "Deleting archived revisions... " );
  46                         $dbw->query( "TRUNCATE TABLE $tbl_arch" );
  47
  48                         $count = $dbw->affectedRows();
  49                         $deletedRows = $count != 0;
  50
  51                         $this->output( "done. $count revisions deleted.\n" );
  52
  53                         # This bit's done
  54                         # Purge redundant text records
  55                         $dbw->commit();
  56                         if( $deletedRows ) {
  57                                 $this->purgeRedundantText( true );
  58                         }
  59                 } else {
  60                         $res = $dbw->selectRow( 'archive', 'COUNT(*) as count', array(), __FUNCTION__ );
  61                         $this->output( "Found {$res->count} revisions to delete.\n" );
  62                         $this->output( "Please run the script again with the --delete option to really delete the revisions.\n" );
  63                 }
  64         }
  65 }
  66
  67 $maintClass = "DeleteArchivedRevisions";
  68 require_once( DO_MAINTENANCE );