USE fileshare; SET sql_log_bin=0; ALTER TABLE `uploads` ADD COLUMN `subscriber_id` INT UNSIGNED DEFAULT NULL, ADD KEY `subscriber_id_idx` (`subscriber_id`), ADD CONSTRAINT `u_subscriber_id_ref` FOREIGN KEY (`subscriber_id`) REFERENCES `billing`.`voip_subscribers` (`id`) ON UPDATE CASCADE ON DELETE CASCADE, ADD COLUMN `reseller_id` INT UNSIGNED DEFAULT NULL, ADD KEY `reseller_id_idx` (`reseller_id`), ADD CONSTRAINT `u_reseller_id_ref` FOREIGN KEY (`reseller_id`) REFERENCES `billing`.`resellers` (`id`) ON UPDATE CASCADE ON DELETE CASCADE;