It seems to be based on the RRN of the source file. If I create another file as a copy, but, populate it in the order I want, I get a better sort:
create table qtemp/tstfil2 as
(select * from qtemp/tstfil order by desc) with data
select cast(
json_objectAgg(trim(cast(ID as char(6))) value trim(DESC)
ABSENT ON
NULL) as varchar(500))
from qtemp/tstfil2
{"1":"TEST 1","3":"TEST 2","2":"TEST 5"}
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Darren Strong
Sent: Monday, August 29, 2022 3:47 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Sort JSON_OBJECTAGG
Sorry. I read it wrong. That didn't work at all, did it?
-----Original Message-----
From: Darren Strong
Sent: Monday, August 29, 2022 3:46 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Sort JSON_OBJECTAGG
This worked for me on a test file. You basically pre-sort the file you're reading from, rather than reading direct from the file:
select cast(
json_objectAgg(trim(cast(ID as char(6))) value trim(DESC)
ABSENT ON NULL) as varchar(500))
from (select * from qtemp/tstfil order by desc)
Results:
CAST function
{"1":"TEST 1","2":"TEST 5","3":"TEST 2"}
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Justin Taylor
Sent: Monday, August 29, 2022 3:38 PM
To: MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Sort JSON_OBJECTAGG
CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
Here's what I need in the end.
{"3":"Apples", "2":"Broccoli", "1":"Carrots"}
The closest I've gotten is this,
[{"3":"Apples"}, {"2":"Broccoli"}, {"1":"Carrots"}] from this statement.
JSON_ARRAYAGG(JSON_OBJECT(trim(cast(ID as char(6))) value DESCRIPTION ABSENT ON NULL) ORDER BY DESCRIPTION)
From there I just fixed the braces and brackets.
Thanks
date: Sat, 27 Aug 2022 10:16:59 +0200
from: "Birgitta Hauser" <Hauser@xxxxxxxxxxxxxxx>
subject: RE: Sort JSON_OBJECTAGG
It seems that JSON_OBJECTAGG currently does not support an extra ORDER
BY/SORT ... and specifiying a final Order By may be too late.
Mit freundlichen Gr??en / Best regards
Birgitta Hauser
Modernization ? Education ? Consulting on IBM i
"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)
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them and keeping them!"
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