Superfluous SQL statements

Hi developers!

You have not heard a lot of me lately, and I am afraid that will not change
substantially for some time. I am kind of swamped with other stuff.
Anyhoo, I hope this bug report proves useful.

Testing pgAdmin v.1.8.1 (Jan 3 2008), rev: 6948).
host: pg 8.2.5 on Debian Etch
client: Windows XP.

Trying to edit the default of a column with type integer[] per dialogue
fails. I think I found the cause in the database logs. pgAdmin sends
additional (unneeded) SQL-statements, that trigger an error.

That's what it should send:
ALTER TABLE ef.kat ALTER COLUMN pfad SET DEFAULT '{}'::integer[];

That's what pgAdmin sends:
ALTER TABLE ef.kat ALTER pfad TYPE integer[];
ALTER TABLE ef.kat ALTER COLUMN pfad SET DEFAULT '{}'::integer[];
COMMENT ON COLUMN ef.kat.pfad IS 'bla bla bla';

Which triggers an error, because I have a view using the field. And one
cannot change column types of fields in use (even if nothing is actutally
changed). For some reason pgAdmin thinks it needs to update type and comment,
too. But it should not.

Note that this does NOT occur when changing the default of simple integer or
text fields.

Regards
Erwin