RE: How to use data-into with json that don't have an object name ? -- RPG400-L

data-into with your parser !!! your them man Scott...

thanks
john Slanina

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxx> On Behalf Of Scott Klement
Sent: Tuesday, April 24, 2018 2:29 PM
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxx>
Subject: Re: How to use data-into with json that don't have an object name ?

John,

If it helps, I recently added DATA-INTO support for the YAJL JSON parser. I haven't benchmarked it with DATA-INTO, but when I benchmarked YAJL by itself, it was extremely fast.
http://www.scottklement.com/yajl/

Might be worth a try? Works fine with your example.

dcl-ds myData qualified;
accountNumber int(10);
name varchar(40);
// ... 20 other fields ...
end-ds;

json = '{ +
"AccountNumber":"31695801", +
"Name":"JOHN" +
}'; // plus 20 other fields

data-into myData %DATA(json: 'case=any') %PARSER( 'YAJLINTO');

-SK

On 4/24/2018 7:24 AM, Slanina, John wrote:

It was an example, most of my API's are far more complex.

I love xml-into... I took a 4 1/2 hour job that ran through 50,000 xml
docs and save 3 hours by using xml-into. The speed of It out preformed all other 3rd party parsers I have tried. I thought data-into would be the same in performance.

I started to testing with JSON Table by loading them with SYSTOOLS.HTTPGETCLOBVERBOSE.
But that cannot be used on a production machine.

If you have java in debug on your machine it breaks some IBM function SQL that is one of them.

Thanks
John Slanina

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxx> On Behalf Of Birgitta
Hauser
Sent: Tuesday, April 24, 2018 12:58 AM
To: 'RPG programming on the IBM i (AS/400 and iSeries)'
<rpg400-l@xxxxxxxxxxxx>
Subject: RE: How to use data-into with json that don't have an object name ?

Do you really need a DATA-INTO Program for this kind of Basic JSON?
IMHO using embedded SQL is far more easy:

DCL-DS DSData Qualified;
AccountNumber Integer;
Name VarChar(50);
//20 other Fields
End-DS

DCL-S JSONDocument VarChar(4096)
inz('{ +
"AccountNumber":"31695801", +
"Name":"JOHN" +
//Plus 20 other fields
{');

Exec SQL
Select * into :DSData
from JSON_Table(JSONDocument, '$'
Columns("AccountNumber" Integer,
"Name" VarChar(50)
//20 other fields)) x;

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!"
"Train people well enough so they can leave, treat them well enough so
they don't want to." (Richard Branson)

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxx> On Behalf Of Slanina,
John
Sent: Montag, 23. April 2018 21:48
To: rpg400-l@xxxxxxxxxxxx
Subject: RE: How to use data-into with json that don't have an object name ?

what happens if it like this

{
"AccountNumber":"31695801",
"Name":"JOHN"
Plus 20 other fields
{

Thanks
John Slanina

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxx> On Behalf Of Barbara
Morris
Sent: Monday, April 23, 2018 3:39 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: Re: How to use data-into with json that don't have an object name ?

On 2018-04-23 2:26 PM, Slanina, John wrote:

I see no option to use data-into when you are parsing the root object
like

this.

{
"AccountNumber":"31695801"
{

When the JSON just represents a single value like that, code the target variable as a standalone field.

dcl-s accountNumber int(10);
dcl-s jsonString varchar(100);

jsonString = '{"AccountNumber":"31695801"}'; data-into accountNumber %data(jsonString : 'case=any')
%parser('JSONPARSE'); dsply accountNumber;

(Using the JSON parser whose source is in QOAR/QRPGLESRC, source
member
JSONPARSE.)

--
Barbara

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