Re: Trying to create multi db query in one large querie - Mailing list pgsql-performance

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