| From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
|---|---|
| To: | Alexander Reichstadt <lxr(at)mac(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Listen and Notify |
| Date: | 2012-04-30 15:12:26 |
| Message-ID: | CAHyXU0xN8=_g2Q2PXQY2Yy+KJ+LtsEt1FqLQvGiPZSjc1GxHew@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Mon, Apr 30, 2012 at 1:47 AM, Alexander Reichstadt <lxr(at)mac(dot)com> 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
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Tom Lane | 2012-04-30 15:17:57 | Re: Listen and Notify |
| Previous Message | Alexander Reichstadt | 2012-04-30 13:48:45 | Re: Question on notifications |