RE: how to retrieve records and make sure they arrive in RRN sequence

["Stone, Joel" <Joel.Stone@xxxxxxxxxx>]

Thanks, but this will add a new column to the file, and then the "read" pgms wont compile due to level check.  

Any way to get the output file to have the SAME columns as the orig file, AND to keep the records in the same sequence that they exist in the orig file - ie ARRIVAL SEQ?

Thanks





-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Birgitta Hauser
Sent: Tuesday, February 12, 2013 11:51 PM
To: 'Midrange Systems Technical Discussion'
Subject: AW: how to retrieve records and make sure they arrive in RRN sequence

The following statement should work

Select rrn(a), a.*
> From YourFile1 a
Union 
Select rrn(b), b.*
> From YourFile2 b
Order By 1;;


Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
and keeping them!"

-----Ursprüngliche Nachricht-----
Von: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] Im Auftrag von Stone, Joel
Gesendet: Wednesday, 13.2 2013 00:00
An: Midrange Systems Technical Discussion
Betreff: RE: how to retrieve records and make sure they arrive in RRN
sequence

Thanks but I have no key - I want to ensure RRN.

I have tried to add ORDER BY RRN but it doesn't seem to like it.  Is there a
trick to get ORDER BY RRN to work?  Must ORDER BY contain only fields in the
record?


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of DeLong, Eric
Sent: Tuesday, February 12, 2013 4:49 PM
To: Midrange Systems Technical Discussion
Subject: RE: how to retrieve records and make sure they arrive in RRN
sequence

Specify an ORDER BY clause after the second statement in your UNION...

Arrival sequence means NOTHING in sql.  Never count on it, even if it LOOKS
like you're getting what you want.  The only way to ensure an ordered result
is to specify the ORDER BY clause.

-Eric DeLong

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Stone, Joel
Sent: Tuesday, February 12, 2013 4:33 PM
To: 'Midrange Systems Technical Discussion'
Subject: SQL: how to retrieve records and make sure they arrive in RRN
sequence

Normally records seem to arrive in RRN sequence - if no other ORDER BY is
stated.

However, when I use UNION to concat two SELECT results together, they are
arriving in a random sequence.

How can I assure that the result set is in RRN seq?

However, I don't think I can include RRN in the SELECT because that field is
NOT in the result table.

Thanks



create table qtemp/memotext as
(select * from mdcmdct
 union
 select * from mdcmtx1

                               )      with data;

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