[xquery-talk] How to add an optional attiribute to a constructed XML tag with XQuery ?

Geert Josten Geert.Josten at daidalos.nl
Tue Feb 17 07:34:02 PST 2009


How about something like this:

let $x:= doc("source.xml")
for $comp in $x/Unit/Data/Organization

You can also name the attributes explicitly, wrap them in an if and a for loop if you like. But make sure to insert attributes before anything else within the contents of the Company element.

I am not sure what $org was referring to, but if you simply want to copy the attributes of the Organization element to the Company element, then the above should work.

Kind regards,

Drs. G.P.H. Josten

Daidalos BV
Source of Innovation
Hoekeindsehof 1-4
2665  JZ  Bleiswijk
Tel.: +31 (0) 10 850 1200
Fax: +31 (0) 10 850 1199
KvK 27164984

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From: talk-bounces at x-query.com [mailto:talk-bounces at x-query.com] On Behalf Of Diraviam H
Sent: dinsdag 17 februari 2009 7:15
To: talk at x-query.com
Subject: [xquery-talk] How to add an optional attiribute to a constructed XML tag with XQuery ?

I am creating an XML file say A, from another xml file B. The content of file B will be changing and some tags can have optional attributes. I want to include the attribute in the constructed XML file tag(s) through Xquery, only when it is available in source file B.
I am trying something like this, where the attribute "name" is optional in source.

let $x:= doc("source.xml")
for $comp in $x/Unit/Data/Organization
<Company type="{$comp/@type}" primary="{$org/@primary}" {if(fn:exists($x/Unit/Data/Organization/@name)) then name="{$org/@name}" else "" } >

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