Entrypoint mindate compatible with UTF-8
Input TIMESTAMP date optionally time 1 TIMESTAMP date optionally time 2 Output TIMESTAMP the older date
TestSQL SELECT '22.08.2000 14:38:12' AS ISCORRECT, F_MINDATE('22.08.2000 14:38:12', '01.10.2005 15:00:00') FROM RDB$DATABASE; SELECT NULL AS ISCORRECT, F_MINDATE(NULL, NULL) FROM RDB$DATABASE;