Description\n-----------\n\nThe ALTER LOGFILE GROUP statement is not supported by MariaDB. It was originally inherited from MySQL NDB Cluster. See MDEV-19295 for more information.\n\nSyntax\n\n``sql\nALTER LOGFILE GROUP logfile_group\n    ADD UNDOFILE 'file_name'\n    [INITIAL_SIZE [=] size]\n    [WAIT]\n    ENGINE [=] engine_name\n``\n\nURL: https://mariadb.com/docs/server/reference/sql-statements/data-definition/alter/alter-logfile-group