On Tue, 2011-09-13 at 16:39 +0200, Hannes Erven wrote: > Reid, > > > > where any one of these 3 > > > > 1 1 2011-01-01 > > 1 1 2011-01-01 > > 1 3 2011-01-01 > > > > or any one of these 2 > > 3 1 2011-01-05 > > 3 2 2011-01-05 > > > > are suitable for val = 1, val = 3 respectively. > > > Can you please describe in words what you are trying to accomplish? When > I look at your data and expected output, I'd say you want this: > > For each distinct value of "val1", return any value of "val2" and > the lowest value of "date". for each distinct value of "val1', return the highest value(most recent) of "date" and the value of "val2" associated with that date -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
