Spiegelberg, Greg wrote:
>
> My experience with dblink() is that each dblink() is executed serially
Correct.
If you really want to do multiple queries simultaneously, you would need
to write a function very similar to dblink_record, but using asynchonous
libpq calls to both remote hosts. See:
http://www.postgresql.org/docs/current/static/libpq-async.html
HTH,
Joe