| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Reg Me Please <regmeplease(at)gmail(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Samantha Atkins <sjatkins(at)mac(dot)com> |
| Subject: | Re: what is the date format in binary query results |
| Date: | 2007-11-08 19:55:52 |
| Message-ID: | 20071108195551.GT2938@alvh.no-ip.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
Reg Me Please wrote:
> Il Thursday 08 November 2007 16:18:58 Tom Lane ha scritto:
> > It's either an int8 representing microseconds away from 2000-01-01
> > 00:00:00 UTC, or a float8 representing seconds away from the same
> > origin.
>
> Does this mean that negative numbers are for timestamps before y2k?
Yes.
> Why and when there is a choice between int8 and float8 representation?
At compilation time, by the --enable-integer-datetimes flag to
configure. You can find out whether the server you're currently
connected to uses integer datetimes with SHOW integer_datetimes.
--
Alvaro Herrera http://www.amazon.com/gp/registry/DXLWNGRJD34J
"The only difference is that Saddam would kill you on private, where the
Americans will kill you in public" (Mohammad Saleh, 39, a building contractor)
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