Re: LIKEREC vs EXTNAME

I think there is a 3rd difference between them:

A data structure defined with LIKEREC is always qualified.
An external data structure is per definitionem not qualified, but can be by
adding the QUALIFIED keyword.

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
and keeping them!"

-----Ursprüngliche Nachricht-----
Von: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] Im Auftrag von Jon
Paris
Gesendet: Wednesday, 24.6 2015 21:21
An: Rpg400 Rpg400-L
Betreff: Re: LIKEREC vs EXTNAME

There are two major differences between the two.

LikeRec:

- The file has to be defined in the program (although the file definition
can be defined as TEMPLATE so that the file does not actually have to be
used).
- No additional fields can be added to the DS

ExtName:

- No requirement for the file to be defined in the program
- Additional fields can be added

Personally I use ExtName for situations where there is no actual database
with that layout and/or it is a base to which I will add custom fields. In
all other cases I would use Likerec.


Jon Paris

www.partner400.com
www.SystemiDeveloper.com

On Jun 24, 2015, at 2:33 PM, Gary Thompson <gthompson@xxxxxxxxxxx> wrote:

We have a mix of EXTNAME and LIKEREC in our inventory.
Currently I prefer LIKEREC because there seem to be fewer ways to code it.
Any advice as to which to use and why ?
Thanks!
--
This is the RPG programming on the IBM i (AS/400 and iSeries)
(RPG400-L) mailing list To post a message email: RPG400-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
or email: RPG400-L-request@xxxxxxxxxxxx Before posting, please take a
moment to review the archives at http://archive.midrange.com/rpg400-l.

--
This is the RPG programming on the IBM i (AS/400 and iSeries) (RPG400-L)
mailing list To post a message email: RPG400-L@xxxxxxxxxxxx To subscribe,
unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
or email: RPG400-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives at
http://archive.midrange.com/rpg400-l.


--
This is the RPG programming on the IBM i (AS/400 and iSeries) (RPG400-L) mailing list
To post a message email: RPG400-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
or email: RPG400-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives
at http://archive.midrange.com/rpg400-l.