It might be due to my own ignorance, but when I attempt to specify the path name directly on mailingNumber and imbNumber I am getting an error regarding duplicate elements.
So it seemed to me that I needed to set the XPath to the lowest unique data element "IMB_Personalization/MailingData/Personalization".
Then, based on examples I found, to load data elements above the original xpath I "needed" to use relative Xpath notation.

Are you suggesting I try somethig like:
mailingNumber varchar(5) default ' ' path ' IMB_Personalization/MailingNumber'
, imbNumber varchar(21) default ' ' path ' IMB_Personalization/MailingData/IMB_Number'
?

My understanding of the columns clause is that the columns paths are described relative to the XMLTABLE XPath clause.

I will gladly take any suggestions on how to make this SQL statement more efficient.


Paul


-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Henrik Rützou
Sent: Sunday, February 24, 2019 3:37 AM
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Large XML file processing via XMLTABLE

Hi Paul

is there any reason for the following statements uses relative Xpath instead of named Xpath?

mailingNumber varchar(5) default ' ' path '../../MailingNumber'
, imbNumber varchar(21) default ' ' path '../IMB_Number'

They may cause some processing overhead.

Just an idea

On Sun, Feb 24, 2019 at 7:40 AM Richard Schoen via RPG400-L <rpg400-l@xxxxxxxxxxxxxxxxxx> wrote:

As a test of the new native Mono .Net environment on IBMi, I wrote a little C# console app to shred a sample 29mg XML file and write to a CSV file.

The program runs on my laptop in 3 seconds.

The same exact EXE copied to IBMi ran for about 45 seconds. (Pase Env)

Not bad for a native .Net app.

Regards,
Richard Schoen
Director of Document Management
e. richard.schoen@xxxxxxxxxxxxxxx
p. 952.486.6802
w. helpsystems.com





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Regards,
Henrik R tzou

http://powerEXT.org
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