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  • Subject: RE: DATE fields in RPG-IV
  • From: Bob Cozzi <BobCozzi@xxxxxxx>
  • Date: Wed, 3 Sep 1997 09:53:04 -0500

Ah hah!

You've hit on the hidden secret of RPG IV Date support. "It works really good 
with date fields."

Which doesn't say "It doesn't work too good with non-date type fields." <g>

Today, you basically have to pick what I call a "NULL DATE" values. A lot of 
people have chosen 0001/01/01 as that null value. 

To move between 8 and 6 digit dates is awkward anyway, so you may want to just 
use the *MDY date format.

But... you can do the following:

Move the 6-digit numeric field to your *ISO (or similar 4-digit year) date 
field.
Do you date stuff with it.
Move the ISO date to an 8-digit numeric field.
--YOU end up with 00010101 in the 8-position field.
Move or Z-ADD the 8-position date value to your 6-digit date field.
--YOU end up with 010101 in the 6-position field.

If you want it to be ZERO when it is this value, then just check the 6-position 
field at this point.



BOB COZZI
If airplanes where academically pure, we'd all be flying things with feathers 
on their wings.


On Tuesday, September 02, 1997 11:20 PM, saskia [SMTP:sfsaskia@concentric.net] 
wrote:
> We are just beginning to use RPGiv here - and many of you probably know
> how this should be done, so ....
> 
> We are looking to our Year 2000 changes.  This brings us to the DATE
> type field, and some areas of confusion:
> 
> I read a file with numeric fields for dates which = 0.   When I try to
> convert these to a date field, it results in 01/01/0001.  When I try to
> convert this back to a 6,0 numeric field, it gives an error because it
> must be in a date range 1940 to 2039 to convert to a 6,0.  We need to be
> able to convert back to numeric format for output to display file and
> printer file DDS.  How should this be handled?
> 
> thx
> -saskia
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