You want to use 'reversed' in SliceRange (and a start with whatever you want and a count of 2).
-- Sylvain On Tue, Jun 15, 2010 at 12:01 PM, Bram van der Waaij <bramat...@gmail.com> wrote: > Hello, > > We want to use cassandra to store and retrieve time related data. Storing > the time-value pairs is easy and works perfectly. The problem arrives at > retrieving the data. We do not only want to retrieve data from within a time > range, but also be able to get the previous and/or next data sample from a > specific point in time. > > The next in time i can retrieve by giving asking for the range > timestamp...maxtime and request for 2 items. Which returns timestamp (if > available) and the next timestamp-value. > > Does anybody know how i can retrieve the previous timestamp? The columns are > sorted on the key(timestamp), so the previous request/next should not be a > difficult to perform. > > Any suggestions are welcome! > > Thanks, > > Bram van der Waaij
