Re: \c connects as another user instead I want in psql

> I think the original motivation for wanting to eliminate these columns
> was that we need usesysid and grosysid to be distinct (can't use the
> same ID for both a user and a group). Using OIDs as IDs would fix
> that, but it's overkill. Wouldn't it be sufficient to use an
> installation-wide sequence object to assign new IDs for new users and
> groups? We have no such animals at the present, but I see no reason
> why we couldn't make one.

Updated TODO to show both options:

* Add unique indexes to pg_shadow.usename and pg_shadow.usesysid or
switch to pg_shadow.oid as user id

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