+ setChange("CREATE TABLE `tt_roles` (`id` int(11) NOT NULL auto_increment, `team_id` int(11) NOT NULL, `name` varchar(80) default NULL, `rank` int(11) default 0, `rights` text default NULL, `status` tinyint(4) default 1, PRIMARY KEY (`id`))");
+ setChange("create unique index role_idx on tt_roles(team_id, rank, status)");
+ setChange("ALTER TABLE `tt_roles` ADD `description` varchar(255) default NULL AFTER `name`");