On Sat, Jun 4, 2011 at 12:15 PM, <lists-pgsql@useunix.net> wrote:
> I want to
> select records grouped by ID, ordered by timestamp, in ascending order so I'm
> starting with the oldest, that are at least X minutes apart.
Here my guess:
SELECT id, ts FROM Yourtable AS A AND NOT EXISTS ( SELECT * FROM Yourtable AS B
WHEREB.id = A.id AND B.ts > A.ts - INTERVAL '5 MINUTES' AND B.tx < A.ts )
ORDER BY id, ts;
--
Regards,
Richard Broersma Jr.
