| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Vik Fearing <vik(at)2ndquadrant(dot)fr> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Insufficient locking for ALTER DEFAULT PRIVILEGES |
| Date: | 2015-06-21 14:45:24 |
| Message-ID: | 20150621144524.GF133018@postgresql.org |
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| Thread: | |
| Lists: | pgsql-hackers |
Alvaro Herrera wrote:
> Now that I actually check with a non-relation object, I see pretty much
> the same error. So probably if instead of some narrow bug fix what we
> need is some general solution for all object types. I know this has
> been discussed a number of times ... Anyway I see now that we should
> not consider this a backpatchable bug fix, and I'm not doing the coding
> either, at least not now.
Discussed this with a couple of 2ndQ colleagues and it became evident
that MVCC catalog scans probably make this problem much more prominent.
So historical branches are not affected all that much, but it's a real
issue on 9.4+.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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