[CM8.4.1.1206]When there are class column in one table, double click the table, it will pop warning.

1 Create one table
CREATE TABLE "a"
CLASS ATTRIBUTE(
"ac" integer,
"dc" double,
"bc" float
)
(
"i" integer,
"b" bit(1),
"c" float,
"a" integer AUTO_INCREMENT,
"d" float,
"s" character varying(1073741823),
CONSTRAINT pk_a_i PRIMARY KEY("i")
);

2 Drag the table to query editor,it will pop warning.

Expect result:
When drag the table, it doesn't display the class column.
Because when select * from ..., it won't display the class column.