On Tue, 2005-05-03 at 19:32 +0200, Craig Bryden wrote:
>
> How in postgres can I do date/time subtraction or addition.
> e.g. If I want to get today's date - 30 days? or current_timestamp - 1 hour?
easier than you think
select current_timestamp - interval '1 hour';
select current_date -interval '30 days'; -- timestamp
select current_date + interval '1 week'; -- timestamp
select date (current_date + interval '1 week'); -- date
see:
http://www.postgresql.org/docs/8.0/interactive/functions-datetime.html
gnari
