Entrypoint uuid1maccomprmac compatible with UTF-8
Input CSTRING(250) valid compressed UUID version 1a Output CSTRING(17) MAC-address of the computer where UUID was created
TestSQL (to use with TestISO.GDB) If you take a normal UUID for input instead of a compressed UUID: SELECT UUIDTESTID, F_UUIDVERSION(UUID), ART, NULL AS ISCORRECT, F_UUID1MACCOMPRMAC(UUID) FROM UUIDTEST ORDER BY 1; If you take a compressed UUID for input (right): SELECT UUIDTESTID, F_UUIDVERSION(UUID), ART, MACADRESS AS ISCORRECT, F_UUID1MACCOMPRMAC(UUIDCOMPR) FROM UUIDTEST ORDER BY 1; SELECT NULL AS ISCORRECT, F_UUID1MACCOMPRMAC(NULL) FROM RDB$DATABASE;