CREATE SCHEMA `repro`; CREATE TABLE `repro`.`crew` ( `id` int(11) NOT NULL AUTO_INCREMENT, `code` varchar(50) NOT NULL, `name` varchar(50) NOT NULL, `created_at` timestamp NULL DEFAULT NULL, `updated_at` timestamp NULL DEFAULT NULL, PRIMARY KEY (`id`), KEY `code` (`code`) ) ENGINE=InnoDB; CREATE TABLE `repro`.`pilot` ( `id` int(11) NOT NULL AUTO_INCREMENT, `code` varchar(50) NOT NULL, `name` varchar(50) NOT NULL, `created_at` timestamp NULL DEFAULT NULL, `updated_at` timestamp NULL DEFAULT NULL, PRIMARY KEY (`id`), KEY `code` (`code`) ) ENGINE=InnoDB; CREATE TABLE `repro`.`crew_role_assigned` ( `id` int(11) NOT NULL AUTO_INCREMENT, `crew_id` int(11) NOT NULL, `role_code` varchar(50) NOT NULL, PRIMARY KEY (`id`), KEY `fk_crewRoleAssigned_roleCode` (`role_code`), CONSTRAINT `fk_crewRoleAssigned_crewId` FOREIGN KEY (`crew_id`) REFERENCES `repro`.`crew` (`id`) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT `fk_crewRoleAssigned_pilotId` FOREIGN KEY (`crew_id`) REFERENCES `repro`.`pilot` (`id`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB COMMENT="This is a comment about tables"; # restart: --innodb-read-only ALTER TABLE `repro`.`crew_role_assigned` COMMENT = 'innodb_read_only'; ERROR HY000: Table 'crew_role_assigned' is read only SHOW CREATE TABLE `repro`.`crew_role_assigned`; Table Create Table crew_role_assigned CREATE TABLE `crew_role_assigned` ( `id` int(11) NOT NULL AUTO_INCREMENT, `crew_id` int(11) NOT NULL, `role_code` varchar(50) NOT NULL, PRIMARY KEY (`id`), KEY `fk_crewRoleAssigned_roleCode` (`role_code`), KEY `fk_crewRoleAssigned_pilotId` (`crew_id`), CONSTRAINT `fk_crewRoleAssigned_crewId` FOREIGN KEY (`crew_id`) REFERENCES `crew` (`id`) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT `fk_crewRoleAssigned_pilotId` FOREIGN KEY (`crew_id`) REFERENCES `pilot` (`id`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='This is a comment about tables' SET GLOBAL innodb_buffer_pool_load_now = ON; SET GLOBAL innodb_buffer_pool_dump_now = ON; SET GLOBAL innodb_buffer_pool_load_abort = ON; # restart ALTER TABLE `repro`.`crew_role_assigned` COMMENT = "This is a new comment about tables"; SHOW CREATE TABLE `repro`.`crew_role_assigned`; Table Create Table crew_role_assigned CREATE TABLE `crew_role_assigned` ( `id` int(11) NOT NULL AUTO_INCREMENT, `crew_id` int(11) NOT NULL, `role_code` varchar(50) NOT NULL, PRIMARY KEY (`id`), KEY `fk_crewRoleAssigned_roleCode` (`role_code`), KEY `fk_crewRoleAssigned_pilotId` (`crew_id`), CONSTRAINT `fk_crewRoleAssigned_crewId` FOREIGN KEY (`crew_id`) REFERENCES `crew` (`id`) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT `fk_crewRoleAssigned_pilotId` FOREIGN KEY (`crew_id`) REFERENCES `pilot` (`id`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='This is a new comment about tables' # restart: --innodb-read-only SHOW CREATE TABLE `repro`.`crew_role_assigned`; Table Create Table crew_role_assigned CREATE TABLE `crew_role_assigned` ( `id` int(11) NOT NULL AUTO_INCREMENT, `crew_id` int(11) NOT NULL, `role_code` varchar(50) NOT NULL, PRIMARY KEY (`id`), KEY `fk_crewRoleAssigned_roleCode` (`role_code`), KEY `fk_crewRoleAssigned_pilotId` (`crew_id`), CONSTRAINT `fk_crewRoleAssigned_crewId` FOREIGN KEY (`crew_id`) REFERENCES `crew` (`id`) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT `fk_crewRoleAssigned_pilotId` FOREIGN KEY (`crew_id`) REFERENCES `pilot` (`id`) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci COMMENT='This is a new comment about tables' # restart DROP TABLE `repro`.`crew_role_assigned`; DROP TABLE `repro`.`pilot`; DROP TABLE `repro`.`crew`; DROP SCHEMA `repro`;