Re: Is there any way to listen to NOTIFY in php without polling?

From: Jasen Betts <jasen(at)xnet(dot)co(dot)nz>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Is there any way to listen to NOTIFY in php without polling?
Date: 2013-03-28 22:56:29
Message-ID: kj2hqt$uhh$1@gonzo.reversiblemaps.ath.cx
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On 2013-03-27, Misa Simic <misa(dot)simic(at)gmail(dot)com> wrote:
> --20cf3074d6a0c370ce04d8ef50c1
> Content-Type: text/plain; charset=UTF-8
>
> Hi Clemens,
>
> Well, I am not sure what you mean by polling...
>
> But Example shows - that C app - actually asks all the time to get
> notify... when gets something more then 4 times - exit... until 4 times
> loops...

that's polling.

I just do a select() on the socket and the select either times out or
lets me know something has come from the server. then I call whatever
it is to check for notifies.

> The same you can achieve with PHP...

except PHP doesn't have select() and hides the socket.

--
⚂⚃ 100% natural

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