maintenance/deleteArchivedRevisions.inc

   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  */
  23
  24 class DeleteArchivedRevisionsImplementation {
  25
  26         /**
  27          * Perform the delete on archived revisions.
  28
  29          * @param $maint Object An object (typically of class Maintenance)
  30          * that implements two methods: handleOutput() and
  31          * purgeRedundantText().  See Maintenance for a description of
  32          * those methods.
  33          */
  34         static public function doDelete( $maint ) {
  35                 $dbw = wfGetDB( DB_MASTER );
  36
  37                 $dbw->begin();
  38
  39                 $tbl_arch = $dbw->tableName( 'archive' );
  40
  41                 # Delete as appropriate
  42                 $maint->handleOutput( "Deleting archived revisions... " );
  43                 $dbw->query( "DELETE FROM $tbl_arch" );
  44
  45                 $count = $dbw->affectedRows();
  46                 $deletedRows = $count != 0;
  47
  48                 $maint->handleOutput( "done. $count revisions deleted.\n" );
  49
  50                 # This bit's done
  51                 # Purge redundant text records
  52                 $dbw->commit();
  53                 if ( $deletedRows ) {
  54                         $maint->purgeRedundantText( true );
  55                 }
  56         }
  57 }