Did you mean WHERE in place of your first AND? If so I already had something like this but it only returns one set, the oldest group of entries for each ID.
On Sat, Jun 04, 2011 at 01:09:39PM -0700, Richard Broersma wrote: > On Sat, Jun 4, 2011 at 12:15 PM, <lists-pg...@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 > WHERE B.id = A.id > AND B.ts > A.ts - INTERVAL '5 MINUTES' > AND B.tx < A.ts ) > > ORDER BY id, ts; > > -- > Regards, > Richard Broersma Jr. -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
