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RE: xs:unique question

From: Stan Kitsis <skits@---------.--->
To: Markus Gamperl <markus.gamperl@---.-->, "xmlschema-dev@--.---" <-------------@--.--->
Date: 2/14/2007 2:26:00 AM
Your schema needs to have a target namespace, a prefix for that target name=
space and your xpath statements need to use that prefix.  So assuming you'v=
e defined a prefix for your target namespace to be tns, your uniqueness con=
straint should look like this:

<xs:unique name="uniquepreis">
  <xs:selector xpath="tns:preiszeile"/>
  <xs:field xpath="tns:zweig"/>
  <xs:field xpath="tns:herkunft"/>
</xs:unique>

-----Original Message-----
From: xmlschema-dev-request@w... [mailto:xmlschema-dev-request@w...] On=
 Behalf Of Markus Gamperl
Sent: Wednesday, February 14, 2007 6:18 AM
To: xmlschema-dev@w...
Subject: xs:unique question


Hi.

I have defined the following complex type with a unique:

<xs:complexType name="root">
 <xs:sequence>
  <xs:element name="name" type="xs:string"/>
  <xs:element name="daten" nillable="true">
   <xs:complexType>
    <xs:sequence>
     <xs:element name="preiszeile">
       <xs:complexType>
        <xs:sequence maxOccurs="unbounded">
        <xs:element name="zweig" type="xs:integer"/>
        <xs:element name="herkunft" type="xs:integer"/>
        <xs:element name="anzahlen" type="xs:string"/>
     </xs:sequence>
    </xs:complexType>
   </xs:element>
  </xs:sequence>
 </xs:complexType>
 <xs:unique name="uniquepreis">
  <xs:selector xpath="preiszeile"/>
  <xs:field xpath="zweig"/>
  <xs:field xpath="herkunft"/>
 </xs:unique>
</xs:element>
</xs:sequence>
</xs:complexType>

example for a xml file:
<root>
 <name>76</name>
  <daten>
   <preiszeile>
        <zweig>11</zweig>
        <herkunft>0</herkunft>
        <anzahlen>test</anzahlen>
   </preiszeile>
   <preiszeile>
        <zweig>11</zweig>
        <herkunft>0</herkunft>
        <anzahlen>test</anzahlen>
   </preiszeile>
   <preiszeile>
        <zweig>11</zweig>
        <herkunft>0</herkunft>
        <anzahlen>test</anzahlen>
   </preiszeile>
   ...
  </daten>
</root>

I want a unique key over all zweig + herkunft elements.
Therefore I used xs:unique but it don't work...

Thanks
Markus
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From markus.gamperl@g... Wed Feb 14 19:18:58 2007
Received: from aji.w3.org ([133.27.228.225])
	by frink.w3.org with esm


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