+ setChange("ALTER TABLE `tt_roles` ADD `description` varchar(255) default NULL AFTER `name`");
+ setChange("ALTER TABLE `tt_users` ADD `role_id` int(11) default NULL AFTER `role`");
+ setChange("CREATE TABLE `tt_site_config` (`param_name` varchar(32) NOT NULL, `param_value` text default NULL, `created` datetime default NULL, `updated` datetime default NULL, PRIMARY KEY (`param_name`))");
+ setChange("INSERT INTO `tt_site_config` (`param_name`, `param_value`, `created`) VALUES ('version_db', '1.17.34', now())");