Re: [9.1] pg_stat_get_backend_server_addr

On fre, 2010-05-28 at 10:21 -0400, Bruce Momjian wrote:
> Tom Lane wrote:
> > Bruce Momjian <bruce@momjian.us> writes:
> > > Tom Lane wrote:
> > >> ... indeed.  Is it worth burdening the pg_stats mechanism with this?
> > >> The use case seems vanishingly thin.
> > 
> > > I am confused how this is different from inet_server_addr() and
> > > inet_server_port().  
> > 
> > I think the point is to let someone find out *from another session*
> > which server port number a particular session is using.  I fail to see
> > a significant use case for that, though.
> 
> Uh, aren't they all using the same server port number, e.g. 5432?  Is
> the issue different IP addresses for the same server?

Yes, I would like to know who is connecting to what IP address.  It's
useful if you have HA setups and you need to check which way your
connections are going.