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  * @file
  22  * @ingroup Maintenance
  23  */
  24
  25 require_once __DIR__ . '/Maintenance.php';
  26
  27 /**
  28  * Maintenance script that fixes the user_registration field.
  29  *
  30  * @ingroup Maintenance
  31  */
  32 class FixUserRegistration extends Maintenance {
  33         public function __construct() {
  34                 parent::__construct();
  35                 $this->mDescription = "Fix the user_registration field";
  36         }
  37
  38         public function execute() {
  39                 $dbr = wfGetDB( DB_SLAVE );
  40                 $dbw = wfGetDB( DB_MASTER );
  41
  42                 // Get user IDs which need fixing
  43                 $res = $dbr->select( 'user', 'user_id', 'user_registration IS NULL', __METHOD__ );
  44                 foreach ( $res as $row ) {
  45                         $id = $row->user_id;
  46                         // Get first edit time
  47                         $timestamp = $dbr->selectField(
  48                                 'revision',
  49                                 'MIN(rev_timestamp)',
  50                                 array( 'rev_user' => $id ),
  51                                 __METHOD__
  52                         );
  53                         // Update
  54                         if ( !empty( $timestamp ) ) {
  55                                 $dbw->update(
  56                                         'user',
  57                                         array( 'user_registration' => $timestamp ),
  58                                         array( 'user_id' => $id ),
  59                                         __METHOD__
  60                                 );
  61                                 $this->output( "$id $timestamp\n" );
  62                         } else {
  63                                 $this->output( "$id NULL\n" );
  64                         }
  65                 }
  66                 $this->output( "\n" );
  67         }
  68 }
  69
  70 $maintClass = "FixUserRegistration";
  71 require_once RUN_MAINTENANCE_IF_MAIN;