Re: check constraint validation takes access exclusive locks

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От Pavel Stehule
Тема Re: check constraint validation takes access exclusive locks
Дата
Msg-id CAFj8pRD-FZh-aiWJoba3zMvsfK-o3t98ipDbkhoxuaE2GBsncQ@mail.gmail.com
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Ответ на Re: check constraint validation takes access exclusive locks  (Alvaro Herrera <alvherre@commandprompt.com>)
Список pgsql-hackers
2012/2/27 Alvaro Herrera <alvherre@commandprompt.com>:
>
> Excerpts from Pavel Stehule's message of lun feb 27 10:41:32 -0300 2012:
>>
>> 2012/2/27 Alvaro Herrera <alvherre@commandprompt.com>:
>> >
>> > Excerpts from hubert depesz lubaczewski's message of lun feb 27 10:02:57 -0300 2012:
>> >> On Sun, Feb 26, 2012 at 03:04:28PM +0100, Pavel Stehule wrote:
>> >> > Hello
>> >> >
>> >> > I rechecked Depesz's article -
>> >> > http://www.depesz.com/2011/07/01/waiting-for-9-2-not-valid-checks/
>> >> >
>> >> > The behave of current HEAD is different than behave described in article.
>> >> >
>> >> > "alter table a validate constraint a_a_check" needs a access exclusive
>> >> > locks and blocks table modification - I tested inserts.
>> >
>> >> yes, looks like we have revert to access exclusive lock:
>> >
>> > See commits
>> > 2c3d9db56d5d49bdc777b174982251c01348e3d8
>> > and
>> > a195e3c34f1eeb6a607c342121edf48e49067ea9
>>
>>  this block a sense of NOT VALIDATE constraints.
>
> Yeah :-(
>
>> Is it final behave or will be fixed on 9.2?
>
> It's final for 9.2 AFAIK.  It's supposed to get fixed during the 9.3
> timeframe.

ok

thank you for info

Pavel

>
> --
> Álvaro Herrera <alvherre@commandprompt.com>
> The PostgreSQL Company - Command Prompt, Inc.
> PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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