Entrypoint character not compatible with UTF-8 - use U_CHR
Entrypoint u_character compatible with UTF-8
Input INTEGER ASCII-Code Output CSTRING(2) Character of ASCII-Codes
TestSQL SELECT 'B' AS ISCORRECT, F_CHARACTER(66) FROM RDB$DATABASE; SELECT 'ä' AS ISCORRECT, F_CHARACTER(228) FROM RDB$DATABASE; SELECT 'B' AS ISCORRECT, F_CHR(66) FROM RDB$DATABASE; SELECT 'ä' AS ISCORRECT, F_CHR(228) FROM RDB$DATABASE; SELECT NULL AS ISCORRECT, F_CHARACTER(NULL) FROM RDB$DATABASE;