Re: Concurrent update failure in HEAD

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От Tom Lane
Тема Re: Concurrent update failure in HEAD
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Msg-id 23048.1262876569@sss.pgh.pa.us
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Ответ на Concurrent update failure in HEAD  (Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>)
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Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp> writes:
> I found pgbench sometimes receives responces of "UPDATE 0" from HEAD server.
> When I re-tested pgbench with 8.4.2 server, all of the results were "UPDATE 1".
> Are there known issues in HEAD for concurrent updates?

I suspect it might have something to do with the recent EvalPlanQual
rewrite, but exactly what the problem is is not clear.

            regards, tom lane

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