Sequel.migration do up do run "CREATE TABLE `environments` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `name` varchar(128) NOT NULL DEFAULT '', `active` tinyint(1) unsigned NOT NULL DEFAULT '1', `user_owner` int(11) unsigned DEFAULT NULL, `group_owner` int(11) unsigned DEFAULT NULL, `created` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, `updated` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (`id`), UNIQUE KEY `name` (`name`), KEY `active` (`active`), KEY `environments_user_owner` (`user_owner`), KEY `environments_group_owner` (`group_owner`), CONSTRAINT `environments_group_owner` FOREIGN KEY (`group_owner`) REFERENCES `groups` (`id`) ON DELETE SET NULL ON UPDATE CASCADE, CONSTRAINT `environments_user_owner` FOREIGN KEY (`user_owner`) REFERENCES `users` (`id`) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8;" end down do drop_table :environments end end