Re: LISTEN/NOTIFY race condition?

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От Tom Lane
Тема Re: LISTEN/NOTIFY race condition?
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Msg-id 3683.1204681994@sss.pgh.pa.us
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Ответ на LISTEN/NOTIFY race condition?  (Laurent Birtz <laurent.birtz@kryptiva.com>)
Ответы Re: LISTEN/NOTIFY race condition?  (Laurent Birtz <laurent.birtz@kryptiva.com>)
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Laurent Birtz <laurent.birtz@kryptiva.com> writes:
>  From the observed sequence of events, it would appear that the event
> thread inserts a tuple in the pg_listener table BEFORE the command thread
> actually commits the transaction. However, when this transaction commits,
> Postgres does not actually find the event thread's tuple in this table.

I'm wondering exactly when you commit the LISTEN?  The command thread
can't see the pg_listener tuple until it's committed ...

            regards, tom lane

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