maintenance/fixUserRegistration.php

   1 <?php
   2 /**
   3  * Fix the user_registration field.
   4  * In particular, for values which are NULL, set them to the date of the first edit
   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 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  25
  26 class FixUserRegistration extends Maintenance {
  27         public function __construct() {
  28                 parent::__construct();
  29                 $this->mDescription = "Fix the user_registration field";
  30         }
  31
  32         public function execute() {
  33                 $dbr = wfGetDB( DB_SLAVE );
  34                 $dbw = wfGetDB( DB_MASTER );
  35
  36                 // Get user IDs which need fixing
  37                 $res = $dbr->select( 'user', 'user_id', 'user_registration IS NULL', __METHOD__ );
  38                 foreach ( $res as $row ) {
  39                         $id = $row->user_id;
  40                         // Get first edit time
  41                         $timestamp = $dbr->selectField( 'revision', 'MIN(rev_timestamp)', array( 'rev_user' => $id ), __METHOD__ );
  42                         // Update
  43                         if ( !empty( $timestamp ) ) {
  44                                 $dbw->update( 'user', array( 'user_registration' => $timestamp ), array( 'user_id' => $id ), __METHOD__ );
  45                                 $this->output( "$id $timestamp\n" );
  46                         } else {
  47                                 $this->output( "$id NULL\n" );
  48                         }
  49                 }
  50                 $this->output( "\n" );
  51         }
  52 }
  53
  54 $maintClass = "FixUserRegistration";
  55 require_once( RUN_MAINTENANCE_IF_MAIN );