Re: Multixid hindsight design

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От Thomas Munro
Тема Re: Multixid hindsight design
Дата
Msg-id CAEepm=262u+wVKxmb3y+pUM5rDBrhmLYUZWKZntDQfwCqnVfiw@mail.gmail.com
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Ответ на Multixid hindsight design  (Heikki Linnakangas <hlinnaka@iki.fi>)
Ответы Re: Multixid hindsight design
Re: Multixid hindsight design
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On Tue, May 12, 2015 at 9:20 AM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> The beauty of this would be that the TED entries can be zapped at restart,
> just like pg_subtrans, and pg_multixact before 9.3. It doesn't need to be
> WAL-logged, and we are free to change its on-disk layout even in a minor
> release.

What about prepared transactions?  They can lock rows FOR SHARE that
survive server restarts.

-- 
Thomas Munro
http://www.enterprisedb.com



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