Entrypoint addminute compatible with UTF-8
Input TIMESTAMP date optionally time INTEGER minutes to add Output TIMESTAMP adds minutes to timestamp
If parameter 2 is negative, minutes where subtract. TestSQL SELECT '01.10.2005 15:06:01' AS ISCORRECT, F_ADDMINUTE('01.10.2005 15:03:01', 3) FROM RDB$DATABASE; SELECT '01.10.2005 15:00:01' AS ISCORRECT, F_ADDMINUTE('01.10.2005 15:03:01', -3) FROM RDB$DATABASE; SELECT NULL AS ISCORRECT, F_ADDMINUTE(NULL, NULL) FROM RDB$DATABASE;