Alexander Reichstadt <
lxr@mac.com> writes:
in the documentation of 8.1 the concept of roles is outlined compared
to users and groups at
<http://www.postgresql.org/docs/8.1/static/user-manag.html>.
Um ... why are you reading 8.1 documentation while running 9.1? There
are likely to be some obsolete things in there.
I also read today that pg_shadow is the real table containing the
users as opposed to pg_user which is only a view and one never
displaying anything but **** for the password. I don't have the link
where that was,
Whereever it was, it was even more obsolete than the 8.1 docs.
pg_shadow has been a view (on pg_authid) for quite a while now.
Try "\d+ pg_shadow" in psql.
The reason this is such a mess is that we've changed the catalog
representation several times, each time leaving behind a view that
was meant to emulate the old catalog. For some time now, pg_authid
has been the ground truth, but it stores entries for both login and
non-login roles, which more or less correspond to what used to be
users and groups. pg_roles is the only non-protected view that
shows you all the entries.
regards, tom lane
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