pg admin bug - view data

I think there is a bug in the pgadmin view data option for a table. If the
table does not have a primary key, pgadmin issues an invalid select. Here
is the table definition:

CREATE TABLE data_tbl
(
packet_rec_id numeric(38) NOT NULL,
tag varchar(32) NOT NULL,
subtag varchar(32),
seq int4 NOT NULL,
value text,
CONSTRAINT data_uk UNIQUE (packet_rec_id, tag, subtag, seq)
) WITHOUT OIDS;

Here is the SQL that PgAdmin issues (from the log file). Notice that the
ORDER BY clause does not specify any columns:

2003-11-21 08:24:36 INFO : Running query SELECT * FROM data_tbl ORDER BY ASC
2003-11-21 08:24:36 QUERY : Thread Query SELECT * FROM data_tbl ORDER BY ASC
2003-11-21 08:24:36 QUERY : DEBUG: StartTransactionCommand

2003-11-21 08:24:36 QUERY : DEBUG: AbortCurrentTransaction

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Michael