tfieldtypetotypety

const tfieldtypetotypety: array [tfieldtype] of fieldclasstypety = (ft_unknown, ft_string, ft_smallint, ft_longint, ft_word, ft_boolean, ft_float, ft_currency, ft_bcd, ft_date, ft_time, ft_datetime, ft_bytes, ft_varbytes, ft_autoinc, ft_blob, ft_memo, ft_graphic, ft_memo, ft_unknown, ft_unknown, ft_unknown, ft_unknown, ft_string, ft_string, ft_largeint, ft_unknown, ft_unknown, ft_unknown, ft_unknown, ft_unknown, ft_unknown, ft_variant, ft_unknown, ft_unknown, ft_guid, ft_unknown, ft_unknown, ft_string, ft_string);