MediaWiki  REL1_22
deleteRevision.php
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00001 <?php
00024 require_once __DIR__ . '/Maintenance.php';
00025 
00032 class DeleteRevision extends Maintenance {
00033 
00034     public function __construct() {
00035         parent::__construct();
00036         $this->mDescription = "Delete one or more revisions by moving them to the archive table";
00037     }
00038 
00039     public function execute() {
00040         if ( count( $this->mArgs ) == 0 ) {
00041             $this->error( "No revisions specified", true );
00042         }
00043 
00044         $this->output( "Deleting revision(s) " . implode( ',', $this->mArgs ) .
00045                         " from " . wfWikiID() . "...\n" );
00046         $dbw = wfGetDB( DB_MASTER );
00047 
00048         $affected = 0;
00049         foreach ( $this->mArgs as $revID ) {
00050             $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
00051                 array(
00052                     'ar_namespace'  => 'page_namespace',
00053                     'ar_title'      => 'page_title',
00054                     'ar_page_id'    => 'page_id',
00055                     'ar_comment'    => 'rev_comment',
00056                     'ar_user'       => 'rev_user',
00057                     'ar_user_text'  => 'rev_user_text',
00058                     'ar_timestamp'  => 'rev_timestamp',
00059                     'ar_minor_edit' => 'rev_minor_edit',
00060                     'ar_rev_id'     => 'rev_id',
00061                     'ar_text_id'    => 'rev_text_id',
00062                     'ar_deleted'    => 'rev_deleted',
00063                     'ar_len'        => 'rev_len',
00064                 ), array(
00065                     'rev_id' => $revID,
00066                     'page_id = rev_page'
00067                 ), __METHOD__
00068             );
00069             if ( !$dbw->affectedRows() ) {
00070                 $this->output( "Revision $revID not found\n" );
00071             } else {
00072                 $affected += $dbw->affectedRows();
00073                 $pageID = $dbw->selectField( 'revision', 'rev_page', array( 'rev_id' => $revID ), __METHOD__ );
00074                 $pageLatest = $dbw->selectField( 'page', 'page_latest', array( 'page_id' => $pageID ), __METHOD__ );
00075                 $dbw->delete( 'revision', array( 'rev_id' => $revID ) );
00076                 if ( $pageLatest == $revID ) {
00077                     // Database integrity
00078                     $newLatest = $dbw->selectField( 'revision', 'rev_id', array( 'rev_page' => $pageID ), __METHOD__, array( 'ORDER BY' => 'rev_timestamp DESC' ) );
00079                     $dbw->update( 'page', array( 'page_latest' => $newLatest ), array( 'page_id' => $pageID ), __METHOD__ );
00080                 }
00081             }
00082         }
00083         $this->output( "Deleted $affected revisions\n" );
00084     }
00085 }
00086 
00087 $maintClass = "DeleteRevision";
00088 require_once RUN_MAINTENANCE_IF_MAIN;