Re: Identity-constraint

[Eddie Robertsson <eddie@allette.com.au>]

"Henry S. Thompson" wrote:

> Correct analysis.  Schema _slightly_ buggy -- remember XPath does not
> utilise the default namespace declaration.

Ah, thank you. That was an important piece of information I've completely missed
out on.

Cheers,
/Eddie

> > <?xml version="1.0" encoding="UTF-8"?>
> > <xsd:schema xmlns:xsd="http://www.w3.org/2000/10/XMLSchema"
> > elementFormDefault="qualified" targetNamespace="www.allette.com.au/keyref"
> > xmlns="www.allette.com.au/keyref">
>
>   xmlns="www.allette.com.au/keyref" xmlns:r="www.allette.com.au/keyref">
>
> >  <xsd:element name="Project">
> >   <xsd:complexType>
> >    <xsd:sequence>
> >     <xsd:element ref="Item1" minOccurs="0"/>
> >     <xsd:element ref="Item2" minOccurs="0"/>
> >    </xsd:sequence>
> >   </xsd:complexType>
> >   <xsd:key name="Item1Key">
> >    <xsd:selector xpath="Item1"/>
>
>      <xsd:selector xpath="r:Item1"/>
>
> >    <xsd:field xpath="@Item1_2"/>
> >   </xsd:key>
> >   <xsd:keyref name="Item2_KeyRef" refer="Item1Key">
> >    <xsd:selector xpath ="Item2"/>
>
>      <xsd:selector xpath ="r:Item2"/>
>
> >    <xsd:field xpath ="@Item2_2"/>
> >   </xsd:keyref>
> >  </xsd:element>
>
> With these changes this validates the example and catches errors if
> you add them.
>
> ht
> --
>   Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
>           W3C Fellow 1999--2001, part-time member of W3C Team
>      2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
>             Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
>                      URL: http://www.ltg.ed.ac.uk/~ht/