From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,cfd23c10fd537a80 X-Google-Attributes: gid103376,public From: Gautier Subject: Re: Ada Calendar oddity Date: 2000/05/11 Message-ID: <391AD9DE.778D13EB@maths.unine.ch>#1/1 X-Deja-AN: 622158659 Content-Transfer-Encoding: 7bit References: <39176D85.603D7AEC@research.canon.com.au> <39178DEA.FD2C20FA@research.canon.com.au> <8f92o1$6v$1@nnrp1.deja.com> <3918BB77.693C70D6@research.canon.com.au> <8fahfv$mgt$1@nnrp1.deja.com> <3919CC94.538DDBA0@online.no> <391AB866.23686FFB@acenet.com.au> X-Accept-Language: en Content-Type: text/plain; charset=us-ascii X-Trace: 11 May 2000 18:03:44 +0100, mac13-32.unine.ch Organization: Maths - Uni =?iso-8859-1?Q?Neuch=E2tel?= MIME-Version: 1.0 Newsgroups: comp.lang.ada Date: 2000-05-11T00:00:00+00:00 List-Id: Geoff Bull: > So when you read a date from the database, what type should you use? > If you avoid using Ada.Calendar how do you compare the database time > with the today's date, e.g.? Simple ;-) : you make a package Long_Calendar with all operators and also conversions from and to Ada.Calendar. It could use the Julian date. NB: the problem occurs also with data prior to 1901 - it exists, e.g. for environmental statistics with precise dates ! Check Deja News for a hot debate that happened some year(s) ago on this topic... _____________________________________________ Gautier -- http://members.xoom.com/gdemont/