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Re: Listen and Notify

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On Mon, Apr 30, 2012 at 1:47 AM, Alexander Reichstadt <lxr@xxxxxxx> wrote:
> Hi,
>
> From the documentation I was able to build a trigger firing upon deletion of a record a function that delivers tablename_operation as a notification one needs to subscribe to. So in terminal I can say LISTEN persons_delete and instantly will receive
>
>        Asynchronous notification "persons_delete" received from server process with PID 54790.
>
> if there was a delete. But what I don't fully understand is how to do this with PQnotifies. Following the docu I get no notifications even though I subscribe to them after successfully connecting to the server the same way I do using terminal.
>
> Googling didn't give me examples I was able to use. Please, can someone help?

I'm suspecting operator error because using PQnotifies is exactly what
psql does.  Maybe you could post a small test program?  Are you using
a mixed case notification name?

merlin

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