Re: READE with partial key

There is no promise that setting lower limit on only the date will get the lowest item/date combination. It really needs the %kds to get the lowest item/date combo.

I wonder if you reorganize the file it would make your problems evaporate? For the moment, at least.


On 6/19/2013 2:23 PM, Jeff Crosby wrote:

I do set the date to *loval before entering this part of the code. I just
neglected to show it here.


On Wed, Jun 19, 2013 at 3:19 PM, Booth Martin <booth@xxxxxxxxxxxx> wrote:

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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