Re: ALTER TABLE on system catalogs

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От Peter Eisentraut
Тема Re: ALTER TABLE on system catalogs
Дата
Msg-id 9fb22a98-fd64-1426-a4f4-b927ce1a9a5e@2ndquadrant.com
обсуждение исходный текст
Ответ на Re: ALTER TABLE on system catalogs  (Michael Paquier <michael@paquier.xyz>)
Ответы Re: ALTER TABLE on system catalogs  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Список pgsql-hackers
On 6/28/18 01:10, Michael Paquier wrote:
> On Wed, Jun 27, 2018 at 01:37:33PM -0700, Andres Freund wrote:
>> On 2018-06-27 22:31:30 +0200, Peter Eisentraut wrote:
>>> I propose that we instead silently ignore attempts to add TOAST tables
>>> to shared and system catalogs after bootstrapping.
>>
>> That seems like an extremely bad idea to me.  I'd rather go ahead and
>> just add the necessary toast tables than silently violate preconditions
>> that code assumes are fulfilled.
> 
> Agreed.  Joe Conway was working on a patch to do exactly that.  I was
> personally looking for the possibility of having one with pg_authid in
> v12 :)

OK, that would change things a bit, in that the silent addition of a
TOAST table would no longer be a problem, but it wouldn't fix the other
scenarios that end up in an error.  If such a patch is forthcoming, we
can revisit this again afterwards.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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