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From: Gautier <gautier.demontmollin@maths.unine.ch>
Subject: Re: Ada Calendar oddity <was Re: C date package>
Date: 2000/05/11
Date: 2000-05-11T00:00:00+00:00	[thread overview]
Message-ID: <391AD9DE.778D13EB@maths.unine.ch> (raw)
In-Reply-To: 391AB866.23686FFB@acenet.com.au

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/




  reply	other threads:[~2000-05-11  0:00 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <l0313030eb53d1408aee7@[144.205.16.58]>
2000-05-09  0:00 ` C date package Geoff Bull
2000-05-09  0:00   ` Geoff Bull
2000-05-09  0:00     ` Robert Dewar
2000-05-10  0:00       ` Geoff Bull
2000-05-10  0:00         ` Robert Dewar
2000-05-10  0:00           ` Ken Garlington
2000-05-10  0:00             ` Geoff Bull
2000-05-10  0:00           ` Geoff Bull
2000-05-10  0:00           ` Ada Calendar oddity <was Re: C date package> Preben Randhol
2000-05-10  0:00             ` Tarjei Tj�stheim Jensen
2000-05-11  0:00               ` Charles Hixson
2000-05-11  0:00                 ` Tarjei Tj�stheim Jensen
2000-05-12  0:00                   ` Charles Hixson
2000-05-12  0:00                     ` Tarjei Tj�stheim Jensen
2000-05-11  0:00               ` Geoff Bull
2000-05-11  0:00                 ` Gautier [this message]
2000-05-12  0:00                   ` Geoff Bull
2000-05-12  0:00                     ` Gautier
2000-05-11  0:00                       ` Al Christians
2000-05-10  0:00             ` Robert A Duff
2000-05-10  0:00               ` Preben Randhol
2000-05-10  0:00                 ` Charles Hixson
2000-05-11  0:00                   ` Geoff Bull
2000-05-11  0:00                     ` Charles Hixson
2000-05-12  0:00                       ` Geoff Bull
2000-05-17  0:00               ` Robert I. Eachus
2000-05-19  0:00                 ` Geoff Bull
2000-05-19  0:00                   ` Robert I. Eachus
2000-05-21  0:00                     ` Robert Dewar
2000-05-21  0:00                   ` Robert Dewar
     [not found]                     ` <392869F0.D88F056A@acenet.com.au>
2000-05-22  0:00                       ` Tarjei Tj�stheim Jensen
2000-05-27  0:00                         ` Reinert Korsnes
2000-05-27  0:00                           ` Tarjei Tj�stheim Jensen
2000-06-03  0:00                       ` Robert I. Eachus
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