maintenance/deleteRevision.php

   1 <?php
   2 /**
   3  * Delete one or more revisions by moving them to the archive 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  * @ingroup Maintenance
  21  */
  22
  23 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  24
  25 class DeleteRevision extends Maintenance {
  26
  27         public function __construct() {
  28                 parent::__construct();
  29                 $this->mDescription = "Delete one or more revisions by moving them to the archive table";
  30         }
  31
  32         public function execute() {
  33                 if ( count( $this->mArgs ) == 0 ) {
  34                         $this->error( "No revisions specified", true );
  35                 }
  36
  37                 $this->output( "Deleting revision(s) " . implode( ',', $this->mArgs ) .
  38                                                 " from " . wfWikiID() . "...\n" );
  39                 $dbw = wfGetDB( DB_MASTER );
  40
  41                 $affected = 0;
  42                 foreach ( $this->mArgs as $revID ) {
  43                         $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
  44                                 array(
  45                                         'ar_namespace'  => 'page_namespace',
  46                                         'ar_title'      => 'page_title',
  47                                         'ar_page_id'    => 'page_id',
  48                                         'ar_comment'    => 'rev_comment',
  49                                         'ar_user'       => 'rev_user',
  50                                         'ar_user_text'  => 'rev_user_text',
  51                                         'ar_timestamp'  => 'rev_timestamp',
  52                                         'ar_minor_edit' => 'rev_minor_edit',
  53                                         'ar_rev_id'     => 'rev_id',
  54                                         'ar_text_id'    => 'rev_text_id',
  55                                         'ar_deleted'    => 'rev_deleted',
  56                                         'ar_len'        => 'rev_len',
  57                                 ), array(
  58                                         'rev_id' => $revID,
  59                                         'page_id = rev_page'
  60                                 ), __METHOD__
  61                         );
  62                         if ( !$dbw->affectedRows() ) {
  63                                 $this->output( "Revision $revID not found\n" );
  64                         } else {
  65                                 $affected += $dbw->affectedRows();
  66                                 $pageID = $dbw->selectField( 'revision', 'rev_page', array( 'rev_id' => $revID ), __METHOD__ );
  67                                 $pageLatest = $dbw->selectField( 'page', 'page_latest', array( 'page_id' => $pageID ), __METHOD__ );
  68                                 $dbw->delete( 'revision', array( 'rev_id' => $revID ) );
  69                                 if ( $pageLatest == $revID ) {
  70                                         // Database integrity
  71                                         $newLatest = $dbw->selectField( 'revision', 'rev_id', array( 'rev_page' => $pageID ), __METHOD__, array( 'ORDER BY' => 'rev_timestamp DESC' ) );
  72                                         $dbw->update( 'page', array( 'page_latest' => $newLatest ), array( 'page_id' => $pageID ), __METHOD__ );
  73                                 }
  74                         }
  75                 }
  76                 $this->output( "Deleted $affected revisions\n" );
  77         }
  78 }
  79
  80 $maintClass = "DeleteRevision";
  81 require_once( RUN_MAINTENANCE_IF_MAIN );