BUG #2572: ALTER TABLE ADD COLUMN

The following bug has been logged online:

Bug reference:      2572
Logged by:          Emil J.
Email address:      emilj@pyton.sk
PostgreSQL version: 8.1.4
Operating system:   Windows XP
Description:        ALTER TABLE ADD COLUMN
Details:

I create some function (PLPGSQL):

.....
BEGIN
     ALTER TABLE sch.table ADD COLUMN abc INTEGER;
     RETURN NULL;
END;

After i called it, nothing happend. No Error, No Exception, No effect - no
column added.