Re: legacy date hell

You still gonna be working in 2039? :)


On Tue, Aug 25, 2020 at 9:19 AM Jay Vaughn <jeffersonvaughn@xxxxxxxxx>
wrote:

So we have an input date on the screen as 3 separate fields... mm dd yy

Biz wants the ability to put a "max" date of 12/31/9999 in so that this
record never expires.

I guess they didn't review the 2 digit year on the screen first...

because

if you put 99 in then when it comes time to store that input into the

table

where the date is 8s0, then it will think it is 1999.

And if we do store the date in the table as 12/31/9999, whenever any

other

pgm tries to convert from *ISO to *MDY, the pgm will blow up, because

9999

is not a valid date for *MDY.

So the way I see it the options are, train the user to input 39 into the
screen yy for the max date which is the least invasive approach (and will
create a new y2k scenario). OR expand screen date year to yyyy and
refactor any and all pgms that convert this 8s0 date from *MDY to *ISO to
handle the 9999 stored year correctly.

Pretty sure they will want to go with the 39 approach as they "claim" the
system will be decommissioned in a couple years (which I've heard that a
million times before).

Any other suggestions I am overlooking?


tia

Jay
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Jeff Crosby
VP Information Systems
UniPro FoodService/Dilgard
P.O. Box 13369
Ft. Wayne, IN 46868-3369
260-422-7531
direct.dilgardfoods.com

The opinions expressed are my own and not necessarily the opinion of my
company. Unless I say so.
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