Re: Hour difference?
От | Bjørn T Johansen |
---|---|
Тема | Re: Hour difference? |
Дата | |
Msg-id | 1061222160.2704.150.camel@pennywise.havleik.no обсуждение исходный текст |
Ответ на | Re: Hour difference? (Bruno Wolff III <bruno@wolff.to>) |
Список | pgsql-general |
I am already using Time for time fields (i.e. timestamp fields without the date part) in my database, are you saying this doesn't work??? BTJ On Mon, 2003-08-18 at 17:55, Bruno Wolff III wrote: > On Mon, Aug 18, 2003 at 16:09:43 +0200, > Bjørn T Johansen <btj@havleik.no> wrote: > > I need to compute the difference of Time fields, in the format HHMM. Is > > it possible to do the math in the Select? > > Despite what it says in the documentation, you can't use that format > for the type time. > If timestamps will work for you, you can use to_timestamp to convert > to a timestamps and then subtract them to get an interval. > Another option would be to massage the strings to use a : separator > between the hours and minutes fields and then cast the strings to times. -- ----------------------------------------------------------------------------------------------- Bjørn T Johansen (BSc,MNIF) Executive Manager btj@havleik.no Havleik Consulting Phone : +47 67 54 15 17 Conradisvei 4 Fax : +47 67 54 13 91 N-1338 Sandvika Cellular : +47 926 93 298 http://www.havleik.no ----------------------------------------------------------------------------------------------- "The stickers on the side of the box said "Supported Platforms: Windows 98, Windows NT 4.0, Windows 2000 or better", so clearly Linux was a supported platform." -----------------------------------------------------------------------------------------------
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