On Thu, 12 Nov 2009 11:22:32 -0500
Andrew Chernow <ac@esilo.com> wrote:
>
> > However I share Greg's concerns that people are trying to use NOTIFY
> > as a message queue which it is not designed to be.
>
> When you have an established libpq connection waiting for notifies it
> is not unreasonable to expect/desire a payload. ISTM, the problem is
> that the initial design was half-baked. NOTIFY is event-driven, ie.
> no polling!
>
I agree. Wouldn't it make sense to allow the user to pass libpq a
callback function which is executed when NOTIFY events happen? Currently
we are forced to poll the connection, which means that we'll be checking
for a NOTIFY every time we have new data.
That just doesn't make sense.
--
Alex