Hannu Krosing <hannu@tm.ee> writes:
> Tom Lane wrote:
>> (some of the protocol changes in 6.4 were done to make it easier ;-)).
> I may misremember, but IIRC some older protocol (or at least libpq)
> returned 0 as backend pid to listening client if it was notified by itself.
> Currently it returns the actual pid for any backend. Is this what you
> changed?
That was one of the smaller items. The bigger problem was that the
backend wouldn't forward you NOTIFY events unless you issued a constant
stream of dummy queries.
> Anyhow we need some _documented_ way to get backend pid
PQbackendPID() seems adequately documented to me ...
regards, tom lane
