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 use MediaWiki\MediaWikiServices;
  28
  29 /**
  30  * Maintenance script that fixes the user_registration field.
  31  *
  32  * @ingroup Maintenance
  33  */
  34 class FixUserRegistration extends Maintenance {
  35         public function __construct() {
  36                 parent::__construct();
  37                 $this->addDescription( 'Fix the user_registration field' );
  38                 $this->setBatchSize( 1000 );
  39         }
  40
  41         public function execute() {
  42                 $dbw = $this->getDB( DB_PRIMARY );
  43
  44                 $lastId = 0;
  45                 $lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
  46                 do {
  47                         // Get user IDs which need fixing
  48                         $res = $dbw->select(
  49                                 'user',
  50                                 'user_id',
  51                                 [
  52                                         'user_id > ' . $dbw->addQuotes( $lastId ),
  53                                         'user_registration IS NULL'
  54                                 ],
  55                                 __METHOD__,
  56                                 [
  57                                         'LIMIT' => $this->getBatchSize(),
  58                                         'ORDER BY' => 'user_id',
  59                                 ]
  60                         );
  61                         foreach ( $res as $row ) {
  62                                 $id = $row->user_id;
  63                                 $lastId = $id;
  64                                 // Get first edit time
  65                                 $actorQuery = ActorMigration::newMigration()
  66                                         ->getWhere( $dbw, 'rev_user', User::newFromId( $id ) );
  67                                 $timestamp = $dbw->selectField(
  68                                         [ 'revision' ] + $actorQuery['tables'],
  69                                         'MIN(rev_timestamp)',
  70                                         $actorQuery['conds'],
  71                                         __METHOD__,
  72                                         [],
  73                                         $actorQuery['joins']
  74                                 );
  75                                 // Update
  76                                 if ( $timestamp !== null ) {
  77                                         $dbw->update(
  78                                                 'user',
  79                                                 [ 'user_registration' => $timestamp ],
  80                                                 [ 'user_id' => $id ],
  81                                                 __METHOD__
  82                                         );
  83                                         $user = User::newFromId( $id );
  84                                         $user->invalidateCache();
  85                                         $this->output( "Set registration for #$id to $timestamp\n" );
  86                                 } else {
  87                                         $this->output( "Could not find registration for #$id NULL\n" );
  88                                 }
  89                         }
  90                         $this->output( "Waiting for replica DBs..." );
  91                         $lbFactory->waitForReplication();
  92                         $this->output( " done.\n" );
  93                 } while ( $res->numRows() >= $this->getBatchSize() );
  94         }
  95 }
  96
  97 $maintClass = FixUserRegistration::class;
  98 require_once RUN_MAINTENANCE_IF_MAIN;