Re: possible time change issue - known problem?

On Mon, Apr 07, 2003 at 08:19:57AM -0400, Dan Langille wrote:
> Looking at the code, I suspect the problem is related to this problem
> which I can duplicate on my current system: PostgreSQL 7.2.3 on i386-
> portbld-freebsd4.6, compiled by GCC 2.95.4
>
> # select current_date, (current_date - interval '1 day')::date;
>     date    |    date
> ------------+------------
>  2003-04-07 | 2003-04-05
>
> I expect the answer to be 2003-04-06 (i.e. yesterday's date).

Out of curiosity, would this weekend be the day you switched to/from
daylight savings time? Then there were only 23 hours in the day, so 1 day
ago was actually the 5th.

Anyway, why not just:

select current_date, current_date-1;
    date    |  ?column?
------------+------------
 2003-04-07 | 2003-04-06
(1 row)

--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> "the West won the world not by the superiority of its ideas or values or
> religion but rather by its superiority in applying organized violence.
> Westerners often forget this fact, non-Westerners never do."
>   - Samuel P. Huntington