Re: Premenos and the date data type window.

[Glenn Ericson <Glenn-Ericson@xxxxxxx>]

What  happens to events dated  between[19xx]  010100 and 123139 era  with
the OS400 window structure? Do they  system window out to 20xx ?

 
At 06:52 PM 2/22/98 -0500, you wrote:
>>Chris:
>>>
>>>
>>>> Date windows of 1940-2039, 1970-2069, or any other fixed window are
>>>>used by
>>>> those who do not care if their code dies in the future.  I hope I am
alive
>>>> in the year 2039 to see how IBM explains why we have to go through this
>>>>Y2K
>>>> thing a second time in the same century.
>>>
>>>Don't you think they will probably just roll the window forward? I would
>>>suspect that this would be a workable solution since the IBM conversions
>>>are "black box".
>>>
>>Part of the problem is *LOVAL is D'01/01/40' and *HIVAL is '12/31/39' for
>>dates with 2 digit years.
>>
>>
>>Charlie Massoglia, Massoglia Technical Consulting, Inc.
>
>
>Another problem with rolling windows is that people live long enough to
>foul up the windows!  I have an aunt who was born ca. 1904.  My parents
>were born in the 20s.  I was born in 1950, and plan to see 2050.  Any
>rolling window starts causing problems when you look at spans of human
>lifetime approaching a century or more.
>
>An organization I worked with has membership records going back close to 80
>years.  I had to deal with the 1800-1900 boundary for birthdays of people
>who were members that long ago.  A rolling window is NOT a solution, just a
>bandaid.
>
>--Paul E Musselman
>PaulMmn@ix.netcom.com
>
>
>+---
>| This is the Midrange System Mailing List!
>| To submit a new message, send your mail to "MIDRANGE-L@midrange.com".
>| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
>| Questions should be directed to the list owner/operator: david@midrange.com
>+---
>
Glenn

Glenn Ericson      © 1998 all rights reserved
Ph 718 898 9805 Fax 718 446 1150
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to "MIDRANGE-L@midrange.com".
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---