BUG #2572: ALTER TABLE ADD COLUMN

The following bug has been logged online:

Bug reference: 2572
Logged by: Emil J.
Email address: emilj(at)pyton(dot)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.