[xquery-talk] namespace questions
Uwe Küssner
UweKuessner at web.de
Mon May 8 10:25:22 PDT 2006
Hello,
I have difficulties in using namespaces in xquery.
To create an xml-document like this:
<foo xmlns:sam=http://www.aaa.aaa/a xmlns:huhu=http://www.aaa.aaa/b >
<sam:bar/>
<huhu:ele>text</huhu:ele>
</foo>
I use the follwing xquery:
declare namespace sam="http://www.aaa.aaa/a";
declare namespace huhu="http://www.aaa.aaa/b";
let $extern := <a namespace="huhu"/>
return
<foo>
<sam:bar/>
{element {concat($extern/@namespace,":","ele")} {"text"}}
</foo>
which generates:
<foo>
<sam:bar/>
<huhu:ele>text</huhu:ele>
</foo>
Questions:
1. What is necessary to create the missing namespace declarations xmlns:sam=http://www.aaa.aaa/a in the foo element ?
2. If the second line (declare namespace huhu=http://www.aaa.aaa/b; is missing ) there is a runtime error. (Undeclared prefix in element name:huhu). If the prefix huhu of the namespace is not known in advance, but only at run time, is it still possible to construct a node <huhu:ele> ?
thank you for your help.
Uwe Küssner
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