"Filonenko Michael" <filonenko.mikh...@gmail.com> writes:
> I create simple mechanism to inform user about something in database
> triggers. In my front-end I use PQsetNoticeReceiver, and display messages
> in QTextEdit.
> I think about multi-user environment. I read about NOTIFY/LISTEN, but find
> no callback mechanism. Is it planning?
Not in libpq. libpq is just a passive library, it can't cause actions
to happen when you aren't calling it. So there's no point in a
callback: you might as well just test for occurrences of a NOTIFY at
times when you're prepared to handle it.
regards, tom lane
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