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Re: key and keyref issues

  • From: Michael Kay <mike@saxonica.com>
  • To: John Dziurlaj <john@hiltonroscoe.com>
  • Date: Wed, 30 May 2018 16:41:58 +0100

Re:  key and keyref issues
The elements in the source document are all in a namespace but the path expressions in your key definitions are looking for elements in no namespace.

Michael Kay

On 30 May 2018, at 16:33, John Dziurlaj <john@hiltonroscoe.com> wrote:

I’m attempting to constrain a schema, which has a lot of xsd:ID and xsd:IDREF, so that, for example, a Person IDREF can only refer to a Person ID. 


I wrote a key and keyref constraint thus:


<xsd:element name="ElectionReport" type="ElectionReport">
      <xsd:key name="personKey">
           <xsd:selector xpath="./Person"/>
           <xsd:field xpath="@ObjectId"/>
      <xsd:keyref name="personKeyRef" refer="personKey">
           <xsd:selector xpath="./Election/Candidate"/>
           <xsd:field xpath="PersonId"/>


However, when I try it against an example I wrote up (which should throw a validation error), it succeeds with no errors.

I’ve attached both my schema and example file. I am using XMLSpy to validate my instances.




John Dziurlaj


Elections Consultant
Hilton Roscoe LLC
Cell 330-714-8935 Work/Fax 234-706-6434



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