That caused Terraform failed to apply mysql_database and mysql_user with the error output below:
Error: failed to connect to MySQL: failed running after connect command: Failed getting server version: Error 1193: Unknown system variable 'innodb_version'
As of https://jira.mariadb.org/browse/MDEV-28554, MariaDB 10.10 removed
innodb_version
system variable.That caused Terraform failed to apply
mysql_database
andmysql_user
with the error output below: