Re: [9.1] pg_stat_get_backend_server_addr

On ons, 2010-07-21 at 22:12 -0700, Jeff Davis wrote:
> The two functions aren't perfectly symmetric, because 
> pg_stat_get_backend_server_port() returns -1 if it's a unix socket,
> and
> pg_stat_get_backend_server_addr() returns NULL (which is also
> overloaded
> to mean that you don't have permissions). So, perhaps it's better to
> just have pg_stat_get_backend_server_addr(), which is the one you
> want,
> anyway. 

This mirrors exactly the pg_stat_get_backend_client_* behaviors.  I
don't much like them either, but I think it'd be worse to make it
inconsistent.