Stephen Frost wrote: > As mentioned, you might want to eliminate duplicate entries; no sense > storing information that can be trivially derived. It's pretty easy to do that with a trigger - and you can add a degree of noise correction too, so that "wobble" in GPS position doesn't get recorded - you only log changes of more than a certain distance. -- Craig Ringer -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general