Re: ALTER TABLE on system catalogs

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От Peter Eisentraut
Тема Re: ALTER TABLE on system catalogs
Дата
Msg-id b49018c4-6592-eece-f5db-5978fda1f5df@2ndquadrant.com
обсуждение исходный текст
Ответ на Re: ALTER TABLE on system catalogs  (Andres Freund <andres@anarazel.de>)
Ответы Re: ALTER TABLE on system catalogs
Список pgsql-hackers
On 20/08/2018 12:48, Andres Freund wrote:
> On 2018-08-20 11:37:49 +0900, Michael Paquier wrote:
>> On Fri, Jul 13, 2018 at 11:05:10AM +0200, Peter Eisentraut wrote:
>>> After reviewing that thread, I think my patch would still be relevant.
>>> Because the pending proposal is to not add TOAST tables to some catalogs
>>> such as pg_attribute, so my original use case of allowing ALTER TABLE /
>>> SET on system catalogs would still be broken for those tables.
>>
>> Something has happened in this area in the shape of 96cdeae, and the
>> following catalogs do not have toast tables: pg_class, pg_index,
>> pg_attribute and pg_largeobject*.  While 0001 proposed upthread is not
>> really relevant anymore because there is already a test to list which
>> catalogs do not have a toast table.  For 0002, indeed the patch is still
>> seems relevant.  The comment block at the beginning of
>> create_toast_table should be updated.
> 
> I still object to the approach in 0002.

Do you have an alternative in mind?

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


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