This is a duplicate of https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1683229
This migration path is not supported. From Oracle MySQL 5.7 you need to upgrade to MariaDB 10.2 or newer.
This is a duplicate of https:/ /bugs.launchpad .net/ubuntu/ +source/ mariadb- 10.1/+bug/ 1683229
This migration path is not supported. From Oracle MySQL 5.7 you need to upgrade to MariaDB 10.2 or newer.