HTMLForm: throw a warning when no callback is set
[mediawiki.git] / maintenance / migrateUserGroup.php
blob297aaf369106993310cb5ed1152466d286cba45d
1 <?php
2 /**
3 * Re-assign users from an old group to a new one
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.
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.
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
20 * @ingroup Maintenance
23 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
25 class MigrateUserGroup extends Maintenance {
26 public function __construct() {
27 parent::__construct();
28 $this->mDescription = "Re-assign users from an old group to a new one";
29 $this->addArg( 'oldgroup', 'Old user group key', true );
30 $this->addArg( 'newgroup', 'New user group key', true );
31 $this->setBatchSize( 200 );
34 public function execute() {
35 $count = 0;
36 $oldGroup = $this->getArg( 0 );
37 $newGroup = $this->getArg( 1 );
38 $dbw = wfGetDB( DB_MASTER );
39 $start = $dbw->selectField( 'user_groups', 'MIN(ug_user)',
40 array( 'ug_group' => $oldGroup ), __FUNCTION__ );
41 $end = $dbw->selectField( 'user_groups', 'MAX(ug_user)',
42 array( 'ug_group' => $oldGroup ), __FUNCTION__ );
43 if ( $start === null ) {
44 $this->error( "Nothing to do - no users in the '$oldGroup' group", true );
46 # Do remaining chunk
47 $end += $this->mBatchSize - 1;
48 $blockStart = $start;
49 $blockEnd = $start + $this->mBatchSize - 1;
50 // Migrate users over in batches...
51 while ( $blockEnd <= $end ) {
52 $this->output( "Doing users $blockStart to $blockEnd\n" );
53 $dbw->begin( __METHOD__ );
54 $dbw->update( 'user_groups',
55 array( 'ug_group' => $newGroup ),
56 array( 'ug_group' => $oldGroup,
57 "ug_user BETWEEN $blockStart AND $blockEnd" )
59 $count += $dbw->affectedRows();
60 $dbw->commit( __METHOD__ );
61 $blockStart += $this->mBatchSize;
62 $blockEnd += $this->mBatchSize;
63 wfWaitForSlaves();
65 $this->output( "Done! $count user(s) in group '$oldGroup' are now in '$newGroup' instead.\n" );
69 $maintClass = "MigrateUserGroup";
70 require_once( RUN_MAINTENANCE_IF_MAIN );