+
+#
+# Structure for table tt_roles. This table stores customized team roles.
+#
+CREATE TABLE `tt_roles` (
+ `id` int(11) NOT NULL auto_increment, # Role id. Identifies roles for all groups on the server.
+ `team_id` int(11) NOT NULL, # Team id the role is defined for.
+ `name` varchar(80) default NULL, # Role name - custom role name. In case we are editing a
+ # predefined role (USER, etc.), we can rename the role here.
+ `description` varchar(255) default NULL, # Role description.
+ `rank` int(11) default 0, # Role rank, an integer value between 0-324. Predefined role ranks:
+ # USER - 4, CLIENT - 16, COMANAGER - 68, MANAGER - 324.
+ # Rank is used to determine what "lesser roles" are in each group
+ # for sutuations such as "manage_users".
+ # It also identifies a role within a team (by its "rank").
+ # Value of rank is to be used in role field in tt_users table,
+ # just like standard roles now.
+ `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 in each group.
+create unique index role_idx on tt_roles(team_id, rank, status);
+
+
+#
+# Structure for table tt_site_config. This table stores configuration data
+# for Time Tracker site as a whole.
+# For example, database version, code version, site language, etc.
+#
+CREATE TABLE `tt_site_config` (
+ `param_name` varchar(32) NOT NULL, # parameter name
+ `param_value` text default NULL, # parameter value
+ `created` datetime default CURRENT_TIMESTAMP, # creation time
+ `updated` datetime ON UPDATE CURRENT_TIMESTAMP, # modification time
+ PRIMARY KEY (`param_name`)
+);
+
+INSERT INTO `tt_site_config` (`param_name`, `param_value`) VALUES ('version_db', '1.17.34'); # TODO: change when structure changes.