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  * @file
  21  * @ingroup Maintenance
  22  */
  23
  24 require_once __DIR__ . '/Maintenance.php';
  25
  26 /**
  27  * Maintenance script that deletes one or more revisions by moving them
  28  * to the archive table.
  29  *
  30  * @ingroup Maintenance
  31  */
  32 class DeleteRevision extends Maintenance {
  33
  34         public function __construct() {
  35                 parent::__construct();
  36                 $this->mDescription = "Delete one or more revisions by moving them to the archive table";
  37         }
  38
  39         public function execute() {
  40                 if ( count( $this->mArgs ) == 0 ) {
  41                         $this->error( "No revisions specified", true );
  42                 }
  43
  44                 $this->output( "Deleting revision(s) " . implode( ',', $this->mArgs ) .
  45                                                 " from " . wfWikiID() . "...\n" );
  46                 $dbw = wfGetDB( DB_MASTER );
  47
  48                 $affected = 0;
  49                 foreach ( $this->mArgs as $revID ) {
  50                         $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
  51                                 array(
  52                                         'ar_namespace'  => 'page_namespace',
  53                                         'ar_title'      => 'page_title',
  54                                         'ar_page_id'    => 'page_id',
  55                                         'ar_comment'    => 'rev_comment',
  56                                         'ar_user'       => 'rev_user',
  57                                         'ar_user_text'  => 'rev_user_text',
  58                                         'ar_timestamp'  => 'rev_timestamp',
  59                                         'ar_minor_edit' => 'rev_minor_edit',
  60                                         'ar_rev_id'     => 'rev_id',
  61                                         'ar_text_id'    => 'rev_text_id',
  62                                         'ar_deleted'    => 'rev_deleted',
  63                                         'ar_len'        => 'rev_len',
  64                                 ), array(
  65                                         'rev_id' => $revID,
  66                                         'page_id = rev_page'
  67                                 ), __METHOD__
  68                         );
  69                         if ( !$dbw->affectedRows() ) {
  70                                 $this->output( "Revision $revID not found\n" );
  71                         } else {
  72                                 $affected += $dbw->affectedRows();
  73                                 $pageID = $dbw->selectField(
  74                                         'revision',
  75                                         'rev_page',
  76                                         array( 'rev_id' => $revID ),
  77                                         __METHOD__
  78                                 );
  79                                 $pageLatest = $dbw->selectField(
  80                                         'page',
  81                                         'page_latest',
  82                                         array( 'page_id' => $pageID ),
  83                                         __METHOD__
  84                                 );
  85                                 $dbw->delete( 'revision', array( 'rev_id' => $revID ) );
  86                                 if ( $pageLatest == $revID ) {
  87                                         // Database integrity
  88                                         $newLatest = $dbw->selectField(
  89                                                 'revision',
  90                                                 'rev_id',
  91                                                 array( 'rev_page' => $pageID ),
  92                                                 __METHOD__,
  93                                                 array( 'ORDER BY' => 'rev_timestamp DESC' )
  94                                         );
  95                                         $dbw->update(
  96                                                 'page',
  97                                                 array( 'page_latest' => $newLatest ),
  98                                                 array( 'page_id' => $pageID ),
  99                                                 __METHOD__
 100                                         );
 101                                 }
 102                         }
 103                 }
 104                 $this->output( "Deleted $affected revisions\n" );
 105         }
 106 }
 107
 108 $maintClass = "DeleteRevision";
 109 require_once RUN_MAINTENANCE_IF_MAIN;