non-InnoDB: 3774 - 'Specified storage engine' is not supported for default value expressions.

-- 
-- innodb_version 8.0.15-6
-- tokudb_backup_version tokubackup 1.2 $Revision: 56100 $
-- tokudb_version 8.0.15-6
-- version 8.0.15-6
-- version_comment Percona Server (GPL), Release '6', Revision 'bc06a2b'

-- # lsb_release -rdc
-- Description:	Ubuntu 18.04.3 LTS
-- Release:	18.04
-- Codename:	bionic
-- Package: percona-server-server
-- Version: 8.0.15-6-2.bionic

SET SESSION sql_mode='';

DROP TABLE IF EXISTS test_innodb;
CREATE TABLE `test_innodb` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `subject` text COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT (''),
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci  ;

-- 3774 - 'Specified storage engine' is not supported for default value expressions.
DROP TABLE IF EXISTS test_rocksdb;
CREATE TABLE `test_rocksdb` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `subject` text COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT (''),
  PRIMARY KEY (`id`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci  ;

-- 3774 - 'Specified storage engine' is not supported for default value expressions.
DROP TABLE IF EXISTS test_tokudb;
CREATE TABLE `test_tokudb` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `subject` text COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT (''),
  PRIMARY KEY (`id`)
) ENGINE=TokuDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci  ;