Re: ALTER TABLE lock strength reduction patch is unsafe

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От Simon Riggs
Тема Re: ALTER TABLE lock strength reduction patch is unsafe
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Msg-id CA+U5nMKPYF96t85fcEFHbEFSfMqCkMFo7rmNdvG7-YzOmW0guQ@mail.gmail.com
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Ответ на Re: ALTER TABLE lock strength reduction patch is unsafe  (Alvaro Herrera <alvherre@commandprompt.com>)
Ответы Re: ALTER TABLE lock strength reduction patch is unsafe  (Alvaro Herrera <alvherre@commandprompt.com>)
Список pgsql-hackers
On Tue, Jan 3, 2012 at 6:14 PM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:

> If there are many call sites, maybe it'd be a good idea to use a
> semantic patcher tool such as Coccinelle instead of doing it one by one.

Thanks for the suggestion, regrettably I've already made those changes.

After examining the call sites, I identified 35 that might need
changing. Of those, about 30 were changed to use systable_beginscan,
while a few others use declared snapshots instead. So not a great
effort and worth doing the by-hand inspection.

--
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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