From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
---|---|
To: | Stephen Frost <sfrost(at)snowman(dot)net> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: Remaining 9.5 open items |
Date: | 2015-11-30 22:21:16 |
Message-ID: | 20151130222116.GF2763@alvherre.pgsql |
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Lists: | pgsql-hackers |
Stephen Frost wrote:
> * Alvaro Herrera (alvherre(at)2ndquadrant(dot)com) wrote:
> > Stephen Frost wrote:
> >
> > > The non-documentation question is around DROP OWNED. We need to either
> > > have policies dropped by DROP OWNED (well, roles removed, unless it's
> > > the last one, in which case the policy should be dropped), or update the
> > > documentation to reflect that they don't. I had been thinking we'd
> > > fix DROP OWNED to deal with the policies, but if folks feel it's too
> > > late for that kind of a change, then we can simply document it. I don't
> > > believe that's unreasonable for a new feature and we can work to get it
> > > addressed in 9.6.
> >
> > DROP OWNED is documented as a mechanism to help you drop the role, so
> > it should do whatever is needed for that. I don't think documenting the
> > fact that it leaves the user as part of policies is good enough.
>
> We already can't take care of everything with DROP OWNED though, since
> we can't do cross-database queries, and the overall process almost
> certainly requires additional effort (to reassign objects, etc...), so
> while I'd be happier if policies were handled by it, I don't think it's
> as serious of an issue.
Yes, the documentation says to apply a combination of REASSIGN OWNED
plus DROP OWNED to each database. Sure, it's not a single command, but
if you additionally put the burden that the policies must be taken care
of separately, then the whole process is made a little worse.
> Still, I'll get a patch worked up for it and then we can discuss the
> merits of that patch going in to 9.5 now versus just into HEAD.
Cool.
In the past, we've made a bunch of changes to DROP OWNED in order to
deal with object types that caused errors, even in minor releases. I
think this is just another case of the same problem.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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