Re: Optimize LISTEN/NOTIFY

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От Tom Lane
Тема Re: Optimize LISTEN/NOTIFY
Дата
Msg-id 1459429.1764101848@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: Optimize LISTEN/NOTIFY  ("Joel Jacobson" <joel@compiler.org>)
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"Joel Jacobson" <joel@compiler.org> writes:
> It looks to me like it would be best with two boolean fields; one
> boolean to stage the updates during PreCommit_Notify, that each
> pendingActions could flip back and forth, and another boolean that
> represents the current value, which we would overwrite with the staged
> value during AtCommit_Notify.

+1, I had a feeling that a single boolean wouldn't quite do it.
(There are various ways we could define the states, but what
you say above seems pretty reasonable.)

            regards, tom lane



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