Re: relation ### modified while in use

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От Tom Lane
Тема Re: relation ### modified while in use
Дата
Msg-id 8151.972310413@sss.pgh.pa.us
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Ответ на Re: relation ### modified while in use  (Hiroshi Inoue <Inoue@tpf.co.jp>)
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Hiroshi Inoue <Inoue@tpf.co.jp> writes:
> I'm not sure about the use of AccessShareLock in parse-analyze-
> optimize phase however.

That's something we'll have to clean up while fixing this.  Currently
the system may acquire and release AccessShareLock multiple times while
parsing/rewriting/planning.  We need to make sure that an appropriate
lock is grabbed at *first* use and then held.

Should save a few cycles as well as being more correct ...
        regards, tom lane

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