Re: Re-READ the current record

wrote:

Yes, that is my second choice. This gets quite ugly also. sigh... I'm
just
keep thinking, come on now, reading the current record just can't be that
hard to do in RPG now. But, unfortunately, I've not come up with any easy
solution.

"Paul Therrien" wrote in message
news:mailman.570.1330704246.14575.rpg400-l@xxxxxxxxxxxx...

Would it work in your situation to do your read loop over an input only
file
and then chain with rrn to the physical file when you know you need to
update the data?
Then you would not have record lock issues at all.


Paul Therrien
Ext: 551

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Brian May
Sent: Friday, March 02, 2012 10:00 AM
To: RPG programming on the IBM i / System i
Subject: RE: Re-READ the current record

No, I said readp not readpe. readp is not keyed so it just moves up to the
record above the current. The only way you could get EOF on readp is if
you
were already on the first record of the file. In that case, it wouldn't
matter.

Brian May
IBM i Modernization Specialist
Profound Logic Software, Inc.
http://www.profoundlogic.com
937-439-7925 Phone
877-224-7768 Toll Free





-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Hockchai Lim
Sent: Friday, March 02, 2012 9:53 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: Re: Re-READ the current record

yes, that is what I'm afraid of and that is what I come up with. It is
quite ugly. It gets even uglier because I'll also have to consider
readp(n)
could encounter %eof condition. From what I know, when %eof is
encountered,
the cursor is lost. So, I'll have to position it to the top of the file
and
do a reade. what in the world...

"Brian May" wrote in message
news:mailman.562.1330703018.14575.rpg400-l@xxxxxxxxxxxx...

you will have to do a readp(n) to move the cursor up one, and then reade.

Brian May
IBM i Modernization Specialist
Profound Logic Software, Inc.
http://www.profoundlogic.com
937-439-7925 Phone
877-224-7768 Toll Free





-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Lim Hock-Chai
Sent: Friday, March 02, 2012 9:36 AM
To: 'rpg400-l@xxxxxxxxxxxx'
Subject: Re: Re-READ the current record

two problems with this:
1) reade is usually performed in a loop and I need the record to know if I
need to perform the update.
2) setll/chain won't work if the file that it is looping thru does not have
a unique key.



"Khalid Hachi" wrote in message
news:mailman.553.1330702034.14575.rpg400-l@xxxxxxxxxxxx...


Setll (mykey1) MYFILE;
If %Equal(MYFILE) and needUpdated();
//Read with Lock
reade (mykey1) MYFILE;
Endif;

-----Message d'origine-----
De : rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
De
la part de Hockchai Lim Envoyé : 2 mars 2012 10:13 À :
rpg400-l@xxxxxxxxxxxx
Objet : Re-READ the current record

Is there a way to re-READ the current record (without using CHAIN) that the
RPG program has just READ?

For example:

reade(n) (mykey1) MYFILE; //read it with no lock
if not %eof() and needUpdated();
==> Need to re-read with locked how???
endif;

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