On Tue, 3 Feb 2009 02:08:54 -0700 Scott Marlowe <scott.marl...@gmail.com> wrote:
> On Mon, Feb 2, 2009 at 5:54 PM, rhubbell <rhubb...@ihubbell.com> wrote: > > > > I want to find the length of those intervals. > > > > select timestamp, timeelapsed, bobble from perf where bobble like > > "pokerflat" > > and timeelapsed > 0.4; > > > > The records returned by that query will have an oldest and newest timestamp > > for > > which I would like to calculate the interval. > > The easiest way is to just subtract one timestamp from another... If > you want the difference in seconds, then use extract > > select '2009-01-31 12:34'::timestamp - '2009-01-12 15:34'::timestamp; > ?column? > ------------------ > 18 days 21:00:00 > select extract(epoch from '2009-01-31 12:34'::timestamp - '2009-01-12 > 15:34'::timestamp); > date_part > ----------- > 1630800 > > Does that get you closer to an answer? Yes, thanks. I actually solved in a different way but this helps toward understanding sql a little better. I think the s in sql is crippling. I feel like I've traveled back in time whenever I use sql. > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
