Re: notification payloads

Hannu Krosing wrote:
> So perhaps it Alvaros proposal can be rephrased thus:
> "Why have the name on each message? The names are already stored in
> listen table, just reuse numeric identifier pointing to item in that
> table. That gives you room for a lot more messages."
>
> If there is no name in listen table, it means that nobody is interested
> and the message can be dropped right away.
>
>   

Er, what listen table? The only thing that will be in shared memory is a 
queue and some bookkeeping (queue head per backend). Each backend will 
be responsible for catching the notifications it is interested in and 
discarding the rest (see earlier discussion).

cheers

andrew