From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | postgres(at)saparev(dot)com, pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: BUG #1927: incorrect timestamp returned |
Date: | 2005-10-04 15:47:37 |
Message-ID: | 200510041547.j94FlbL19960@candle.pha.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-bugs pgsql-patches |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Right. We allow leap seconds for any date/time. Are you saying we
> > should only allow them for certain dates/times?
>
> No, his point is the funny roundoff behavior.
>
> regression=# select timestamp '2005-09-23 23:59:59.999999';
> timestamp
> ----------------------------
> 2005-09-23 23:59:59.999999
> (1 row)
>
> regression=# select timestamp '2005-09-23 23:59:59.9999999';
> timestamp
> ------------------------
> 2005-09-23 23:59:60.00
> (1 row)
>
> regression=# select timestamp '2005-09-23 23:59:59.99999999';
> timestamp
> ---------------------
> 2005-09-24 00:00:00
> (1 row)
Wow, that is funny roundoff behavior. Has anyone researched the cause?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
From | Date | Subject | |
---|---|---|---|
Next Message | Jean-Pierre Pelletier | 2005-10-04 16:24:20 | Possibly corrupted shared memory, PostgreSQL 8.1 beta2, Windows 2000 |
Previous Message | Tom Lane | 2005-10-04 15:38:30 | Re: BUG #1927: incorrect timestamp returned |
From | Date | Subject | |
---|---|---|---|
Next Message | David Fetter | 2005-10-04 16:41:03 | Re: [HACKERS] Best practices: MERGE |
Previous Message | Tom Lane | 2005-10-04 15:38:30 | Re: BUG #1927: incorrect timestamp returned |