On 2014-01-21 20:18:54 -0500, Stephen Frost wrote:
> > > Don't know what folks think of removing those in-the-function checks in
> > > favor of trusting the grant/revoke system to not allow those functions
> > > to be called unless you have EXECUTE privileges on them..
> > Well, they *do* return some information when called without superuser
> > privileges. Just not all columns for all sessions. I don't think you can
> > achieve that with anything in our permission system.
> We'd have to address those issues somehow, certainly. The general
> thrust of my thought was if we'd ever feel comfortable trusting the
> GRANT/REVOKE permission system instead of places what we currently have
> if(superuser()) checks or similar.
I think the only realistic thing is a "monitoring" capability, like we
have "replication". GRANT/REVOKE doesn't even come close to being able
to generically allow to grant permissions of even the moderate
complexity pg_stat_get_activity() has.
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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