Re: data from system tables.

On Mon, Mar 26, 2007 at 04:45:01PM -0400, Carol Walter wrote:
> We recently began giving our users a ten connection limit.  The are
> some accounts that have no limit.  Some of these should have no limit
> because they're system accounts, but others are just users that were
> created before we started the limit.  Is there a psql command that I
> can run with a "where" clause that will let me get a list of everyone
> who has no connection limit?

Look at the SQL that psql executes for its \d commands:

\set ECHO_HIDDEN
\du

See also the "System Catalogs" chapter in the documentation for the
version you're running.  Here's the link for 8.2:

http://www.postgresql.org/docs/8.2/interactive/catalogs.html

--
Michael Fuhr