Package: mariadb-server Version: 1:10.5.5.-1 Control: tags -1 confirmed I tested and this still applies to the latest MariaDB version now in Debian. Suggestions on what to do about it are welcome.
MariaDB [test]> select @@Version; +------------------+ | @@Version | +------------------+ | 10.5.5-MariaDB-1 | +------------------+ 1 row in set (0.000 sec) MariaDB [test]> select @@version; +------------------+ | @@version | +------------------+ | 10.5.5-MariaDB-1 | +------------------+ 1 row in set (0.000 sec) MariaDB [test]> create table testt (a varchar(255), key(a)) engine = myisam; Query OK, 0 rows affected, 1 warning (0.004 sec) MariaDB [test]> show warnings; +---------+------+----------------------------------------------------------+ | Level | Code | Message | +---------+------+----------------------------------------------------------+ | Warning | 1071 | Specified key was too long; max key length is 1000 bytes | +---------+------+----------------------------------------------------------+ 1 row in set (0.000 sec)