The following is a list of all function differences between MariaDB 10.2 and MySQL 5.6. It is based on functions available in the stable version MariaDB 10.2.25.
MariaDB and MySQL have differing implementations.
GTID_SUBSET
GTID_SUBTRACT
SQL_THREAD_WAIT_AFTER_GTIDS()
WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS()
RANDOM_BYTES
VALIDATE_PASSWORD_STRENGTH