Re: Resequence data in file based on screen seq -- RPG400-L

Alan,
I am saving the sequence # and item from the subfile in an array and then sorting it before updating the file.
When I update/write a record, I get the array index for the sequence #/Item and multiply by 10 for the new seq#.

Thanks,

Jeff Young
Sr. Programmer Analyst
IBM -e(logo) server Certified Systems Exper - iSeries Technical Solutions V5R2
IBM Certified Specialist- e(logo) server i5Series Technical Solutions Designer V5R3
IBM Certified Specialist- e(logo)server i5Series Technical Solutions Implementer V5R3

----- Original Message ----
From: Alan Shore <AlanShore@xxxxxxxx>
To: RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
Sent: Friday, December 7, 2007 10:38:39 AM
Subject: RE: Resequence data in file based on screen seq

I'm not too sure if this method would work
for example, on the subfile display you have

seq# key comment
10 A This is the first comment
20 A This is the second comment

and you want to change the order
10 A This is the first comment
05 A This is the second comment that
goes before the first

your method would still place them back in the same order

Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
"If you're going through Hell, keep going" - Winston Churchill

rpg400-l-bounces@xxxxxxxxxxxx wrote on 12/07/2007 10:29:33 AM:

If seq# is not part of the unique key, you could do something like below
(Note: Syntax might be wrong.)

For sfRRN = 1 to ??
Chain sfRRN mySubFile;
if %found;
Chain (orgKey1 :orgKey2...) myFile;
if %found;
Seq# = sfRRN * 10;
update myFile;
endif;
endif;
Endfor;

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Young
Sent: Friday, December 07, 2007 9:05 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: Resequence data in file based on screen seq

The reason I do not just update is that after the user enters all their
data, when writting back to the file, I need to sequence the data in
increments of 10 so that they can move things around without having to
change all records.

Thanks,

Jeff Young
Sr. Programmer Analyst
IBM -e(logo) server Certified Systems Exper - iSeries Technical
Solutions V5R2 IBM Certified Specialist- e(logo) server i5Series
Technical Solutions Designer V5R3 IBM Certified Specialist-
e(logo)server i5Series Technical Solutions Implementer V5R3

----- Original Message ----
From: Joep Beckeringh <joep@xxxxxxxxxxxxxxxxxxx>
To: RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
Sent: Friday, December 7, 2007 9:02:22 AM
Subject: Re: Resequence data in file based on screen seq

Jeff,

Why do you delete all the records of the group? Why don't you just
update?

What I do in situations like is to store the original sequence # as a
hidden field in the subfile. With the original and new sequence # you
can determine what to do:
- original = 0 and new > 0: add
- original > 0 and new = 0: delete
- original <> new: update

The tricky bit is checking for duplicates. You need to check each
new/changed sequence # with the file and also check for duplicates
within the subfile.

Joep Beckeringh

Jeff Young schreef:

Let me clarify what I am attempting to do.
I have a file with the key: Company, Location, Item, Seq#, Substitute

Item.

The file has additional fields.
The user sees all substitute items for the Company, Location, Item and

can change the Sequence # and other data shown.

Since the user can change the sequence #, I need to process all

records for the group.

When I do the update/add, I need to resequence the data on file based

on the seq# the user keyed.

This is similar to what is done in SEU when you insert or delete

lines.

What I am doing now is storing the screen seq# & substitute item in an

array, sorting the array and then deleting all records for the group.

When I output the records from the subfile, I assign a sequence #

based on the location of the seq#/item in the array.

I was hoping for a less messy method to get the same result.

Thanks,

Jeff Young
Sr. Programmer Analyst
IBM -e(logo) server Certified Systems Exper - iSeries Technical
Solutions V5R2 IBM Certified Specialist- e(logo) server i5Series
Technical Solutions Designer V5R3 IBM Certified Specialist-
e(logo)server i5Series Technical Solutions Implementer V5R3

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