Entrypoint millisecond compatible with UTF-8
Input TIMESTAMP date optionally time Output INTEGER milliseconds of the timestamp
If you entered only date, the second is = 0. TestSQL SELECT 3456 AS ISCORRECT, F_MILLISECOND('23.08.2004 14:38:12 3456') FROM RDB$DATABASE; SELECT NULL AS ISCORRECT, F_MILLISECOND(NULL) FROM RDB$DATABASE;