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Sorry, mistype - I meant to say "If you SETLL using only Item with a
value of '2'". Sorry for the confusion.

Trevor Briggs
Analyst/Programmer
Lincare, Inc.
(727) 431-1246
TBriggs2@xxxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Briggs, Trevor
(TBriggs2)
Sent: Wednesday, June 19, 2013 3:25 PM
To: RPG programming on the IBM i (AS/400 and iSeries)
Subject: RE: READE with partial key

I'm sorry, but that logic just doesn't hold. Given the following
records:

Item Date
1 01/01/2013
1 12/31/2013
2 02/01/2013

If you SETLL using only Item with a value of '1', if will set the cursor
between the second and third records and doing a READE with the same key
will read the 3rd record. It matters not a whit that the date key of
record 2 is higher than that of record 3.

Trevor Briggs
Analyst/Programmer
Lincare, Inc.
(727) 431-1246
TBriggs2@xxxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Booth Martin
Sent: Wednesday, June 19, 2013 3:19 PM
To: RPG programming on the IBM i (AS/400 and iSeries)
Subject: Re: READE with partial key

I'd be concerned that the date field is likely to be the highest date
from the last read cycle, not *loval. After the first read in the
program it is unlikely that he will ever find a record with a date lower

than the highest date read since the first cycle of the program.

On 6/19/2013 2:09 PM, Alan Shore wrote:
I believe that as long as the f-spec for the file FILE is defined as
keyed, you SHOULD get the records in Item (ascending)
Date (ascending) order.

Alan Shore
E-mail : ASHORE@xxxxxxxx
Phone [O] : (631) 200-5019
Phone [C] : (631) 880-8640


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Crosby
Sent: Wednesday, June 19, 2013 2:54 PM
To: RPG programming on the IBM i / System i
Subject: READE with partial key

Suppose I have a file defined via DDL with unique key consisting of

Item (ascending)
Date (ascending)


// Set position in file
SETLL Item FILE;

// Only while this item
Dow '1';

Reade Item FILE;
If %EOF(FILE);
Leave;
Endif;

process record . . .

Enddo;

I am not assured of getting records within this item in ascending Date
sequence, am I? Some testing I'm doing now shows that I don't.



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

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