ALTER TABLE `tt_monthly_quotas`
ADD CONSTRAINT `FK_TT_TEAM_CONSTRAING` FOREIGN KEY (`team_id`) REFERENCES `tt_teams` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;
+
+
+#
+# Structure for table tt_roles. This table stores customized team roles.
+#
+CREATE TABLE `tt_roles` (
+ `id` int(11) NOT NULL auto_increment, # role id
+ `team_id` int(11) NOT NULL, # team id
+ `name` varchar(80) default NULL, # role name - may be used to rename standard roles
+ `rank` int(11) default 0, # Role rank and identifier in comparison with other roles,
+ # used to determine what "lesser roles" are
+ # and also identifies a role within a team, used as role in tt_users.
+ `rights` text default NULL, # Comma-separated list of rights assigned to a role.
+ # NULL here for predefined roles (4, 16, 68, 324 - manager)
+ # means a hard-coded set of default access rights.
+ `status` tinyint(4) default 1, # role status
+ PRIMARY KEY (`id`)
+);
+
+# Create an index that guarantees unique active and inactive role ranks per team.
+create unique index role_idx on tt_roles(team_id, rank, status);