On Tue, Apr 11, 2006 at 02:34:22 -0700, Timo Tuomi <[EMAIL PROTECTED]> wrote: > > I'd need to get the time interval X-Y-Z on each date but I cannot rely > on the date (can't make any joins based on the date part of > timestamps). Instead I'd need to find out X-Y and Y-Z pairs with a > minimal "stop" -time at Y and calculate total travel time for those.
If possible you should change your design, so that you can identify a route. ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq