Re: Improve description of XLOG_RUNNING_XACTS

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От Amit Kapila
Тема Re: Improve description of XLOG_RUNNING_XACTS
Дата
Msg-id CAA4eK1LgOmTmVnqkyqRTuO1LSmeS-0fK9hRGc5_3n5NgU3KhGw@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Improve description of XLOG_RUNNING_XACTS  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
Ответы Inconsistencies in error messages  (Ekaterina Kiryanova <e.kiryanova@postgrespro.ru>)
Re: Improve description of XLOG_RUNNING_XACTS  (Masahiko Sawada <sawada.mshk@gmail.com>)
Список pgsql-hackers
On Fri, Sep 9, 2022 at 6:18 AM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>
> Updated the patch accordingly.
>

I have created two xacts each with savepoints and after your patch,
the record will show xacts/subxacts information as below:

rmgr: Standby     len (rec/tot):     74/    74, tx:          0, lsn:
0/014AC238, prev 0/014AC1F8, desc: RUNNING_XACTS nextXid 733
latestCompletedXid 726 oldestRunningXid 727; 2 xacts: 729 727; 4
subxacts: 730 731 728 732

There is no way to associate which subxacts belong to which xact, so
will it be useful, and if so, how? I guess we probably don't need it
here because the describe records just display the record information.

-- 
With Regards,
Amit Kapila.



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