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Or qualifying the file



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-------- Original message --------
From: Darryl Freinkel <dhfreinkel@xxxxxxxxx>
Date: 10/4/17 5:44 PM (GMT-05:00)
To: "RPG programming on the IBM i (AS/400 and iSeries)" <rpg400-l@xxxxxxxxxxxx>
Subject: Re: Weird problem with scatter-gather I/O

Depends where your chain is to the second file. You may be chaining to lock
the record and then UPDATing the same value back to the file hence no data
is changing making it look like its not doing the update.

Its best to use the PREFIX keyword on the F-Spec to avoid these issues.


On Mon, Oct 2, 2017 at 3:49 PM, Buck Calabro <kc2hiz@xxxxxxxxx> wrote:

On 10/2/2017 3:13 PM, James H. H. Lampert wrote:
Any idea why this would happen?

Possibilities:

A skipped/unsuccessful CHAIN (wrong indicators have stung me)

An extra CHAIN to a different (child/parent?) record that inadvertently
resets the field contents

Updating in one library, querying from another (test/QA/production)

Data structure reuses some of the fields, but is referred to only under
certain conditions (this one is particularly insidious, and has lead me
to always refer to the compiler cross reference listing to make 100%
certain the fields in question have only the two references I think they
have)

--
--buck

THIS is the work for which matching record is the proper tool.
And I am unanimous in that.

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--
Darryl Freinkel
--
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