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() {
36 $oldGroup = $this->getArg( 0 );
37 $newGroup = $this->getArg( 1 );
38 $dbr = wfGetDB( DB_SLAVE
);
39 $start = $dbr->selectField( 'user_groups', 'MIN(ug_user)',
40 array('ug_group' => $oldGroup), __FUNCTION__
);
41 $end = $dbr->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 );
47 $end +
= $this->mBatchSize
- 1;
49 $blockEnd = $start +
$this->mBatchSize
- 1;
50 // Migrate users over in batches...
51 $dbw = wfGetDB( DB_MASTER
);
52 while( $blockEnd <= $end ) {
53 $this->output( "Doing users $blockStart to $blockEnd\n" );
55 $dbw->update( 'user_groups',
56 array('ug_group' => $newGroup),
57 array('ug_group' => $oldGroup,
58 "ug_user BETWEEN $blockStart AND $blockEnd" )
60 $count +
= $dbw->affectedRows();
62 $blockStart +
= $this->mBatchSize
;
63 $blockEnd +
= $this->mBatchSize
;
66 $this->output( "Done! $count user(s) in group '$oldGroup' are now in '$newGroup' instead.\n" );
70 $maintClass = "MigrateUserGroup";
71 require_once( DO_MAINTENANCE
);