Re: Bug #630: date/time storage problem: timestamp parsed incorrectly...

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От Sean Chittenden
Тема Re: Bug #630: date/time storage problem: timestamp parsed incorrectly...
Дата
Msg-id 20020408193156.L66679@ninja1.internal
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Ответ на Bug #630: date/time storage problem: timestamp parsed incorrectly...  (pgsql-bugs@postgresql.org)
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> > date/time storage problem: timestamp parsed incorrectly...
>
> > It looks like a bad parser or defaults for time values.  The
> > example code below explains the problem best.  I'm not sure why,
> > or where... but it took me about a day to track down (PostgreSQL
> > is never wrong!).  If I include a timezone, things seem to work.
> > For some reason, only dates from yesterday and today break
> > things... I think it's because -7 is the same as my timezone, PST
> > (now -7).
>
> Well, as long as you realize that PostgreSQL is always right you are
> on track ;)
>
> I'm guessing that you have a damaged timezone database on your
> system.  What time zone does your system think it is in? What system
> are you running on? I'm not seeing a problem on my Linux box running
> 7.2 (well, except for the jump at the time zone boundary):
>
> lockhart=# select timestamp '2002-4-7 2:0:0.0';
>       timestamptz
> ------------------------
>  2002-04-07 01:00:00-08
> (1 row)
>
> But that is not the 2036 result you are seeing, so I can only
> speculate on your specific problem...

ACK!  Hmm... fresh build of FreeBSD:

$ uname -a
FreeBSD ninja1.internal 4.5-STABLE FreeBSD 4.5-STABLE #0: Fri Apr  5 18:08:12 PST 2002
root@ninja1.internal:/opt/obj/opt/src/sys/NINJA i386 

$ psql
# SELECT timestamp '2002-4-7 2:0:0.0';
      timestamptz
------------------------
 2036-06-02 22:57:08-07
(1 row)

# SELECT version();
                          version
------------------------------------------------------------
 PostgreSQL 7.2 on i386--freebsd4.5, compiled by GCC 2.95.3
(1 row)

This isn't happy making.  What OS are you running?  Seems like a lower
level problem.  Do you know if it's a system call making the
formatting call?  -sc

--
Sean Chittenden

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