$count = 0;
$oldGroup = $this->getArg( 0 );
$newGroup = $this->getArg( 1 );
- $dbw = wfGetDB( DB_MASTER );
+ $dbw = $this->getDB( DB_MASTER );
$start = $dbw->selectField( 'user_groups', 'MIN(ug_user)',
array( 'ug_group' => $oldGroup ), __FUNCTION__ );
$end = $dbw->selectField( 'user_groups', 'MAX(ug_user)',