On Thu, 2010-09-23 at 12:45 +0200, A B wrote: > Hello. > > If I have a table like this > > create table fleet ( ship_id integer, location point); I recommend taking a look into PostGIS: http://postgis.org Regards, Jeff Davis -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general