Re: CHAIN vs SETLL/READE -- RPG400-L

Good News Everybody!

The new search engine is LIVE!

Please report any problems to david (at) midrange.com.

Subject: Re: CHAIN vs SETLL/READE
From: Barbara Morris <bmorris@xxxxxxxxxx>
Date: Tue, 15 Oct 2013 15:40:15 -0500
List-archive: <http://archive.midrange.com/rpg400-l>
List-help: <mailto:rpg400-l-request@midrange.com?subject=help>
List-id: "RPG programming on the IBM i \(AS/400 and iSeries\)" <rpg400-l.midrange.com>
List-post: <mailto:rpg400-l@midrange.com>
List-subscribe: <http://lists.midrange.com/mailman/listinfo/rpg400-l>, <mailto:rpg400-l-request@midrange.com?subject=subscribe>
List-unsubscribe: <http://lists.midrange.com/mailman/listinfo/rpg400-l>, <mailto:rpg400-l-request@midrange.com?subject=unsubscribe>

On 10/14/2013 4:57 PM, DeLong, Eric wrote:

If the intent is to page data into storage, and to note when
exceptions occur (Chain failure - Not Found), then Chain HAS to be
faster overall than SETLL, then an IF to determine existence status,
then another I/O to page data in...

Record-not-found doesn't involve an exception for ILE RPG. A return code is used instead. Same with end-of-file.

(They still involve an exception for OPM RPG, though, even though it is not actually treated as an error within RPG.)

This mailing list archive is Copyright 1997-2026 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.