Entrypoint lastdayquarter compatible with UTF-8
Input TIMESTAMP date optionally time Output TIMESTAMP date of last day of quarter with data and time 00:00:00
TestSQL SELECT '30.09.2008' AS ISCORRECT, F_LASTDAYQUARTER('06.09.2008 15:00:00') FROM RDB$DATABASE; SELECT NULL AS ISCORRECT, F_LASTDAYQUARTER(NULL) FROM RDB$DATABASE;