Re: Problem with pg_upgrade (8.4 -> 9.0) due to ALTER DATABASE SET ROLE

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От Bruce Momjian
Тема Re: Problem with pg_upgrade (8.4 -> 9.0) due to ALTER DATABASE SET ROLE
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Msg-id 201101060410.p064A2j02183@momjian.us
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Ответ на Re: Problem with pg_upgrade (8.4 -> 9.0) due to ALTER DATABASE SET ROLE  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > On Wed, Jan 5, 2011 at 9:44 PM, Bruce Momjian <bruce@momjian.us> wrote:
> >> I think pg_dumpall would have failed with this setup too, so I don't see
> >> this as a pg_upgrade bug, nor something that I am willing to risk adding
> >> to pg_upgrade.
> 
> > If adding RESET SESSION AUTHORIZATION fixes the bug, I think we should
> > consider doing that.
> 
> I think an appropriate response would be to prevent ALTER DATABASE SET
> ROLE.  I really cannot believe that there are any situations where
> that's a good idea.
> 
> Or we could take the approach somebody was just espousing about 
> 
> > Our job is to prevent the user from *accidentally*
> > shooting themselves in the foot.
> 
> If they want to deliberately shoot themselves in the foot by hosing the
> login system like that, it's not our job to prevent it.  But it's not
> our job to try to work around it, either.

Yep.  We should probably make a decision on foot-guns and be consistent,
at least.  Doing it half-way isn't helping anyone.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +


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