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Bug 640289 - xsi:type uniqueness constraint
xsi:type uniqueness constraint
Status: RESOLVED OBSOLETE
Product: libxml2
Classification: Platform
Component: xmlschema
2.7.8
Other Linux
: Normal normal
: ---
Assigned To: Daniel Veillard
libxml QA maintainers
Depends on:
Blocks:
 
 
Reported: 2011-01-22 19:07 UTC by Jan Palus
Modified: 2021-07-05 13:23 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Jan Palus 2011-01-22 19:07:49 UTC 
I'm trying to create schema for list of elements derived from same abstract type but I also want to ensure only one element of a type:

<xs:complexType name="AbstractType" abstract="true">
  <xs:sequence />
  <xs:attribute name="name" type="xs:string" use="required" />
</xs:complexType>

<xs:element name="TopElement">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="Type" type="AbstractType" maxOccurs="unbounded" />
    </xs:sequence>
  </xs:complexType>
  <xs:unique name="uniqueTypeName">
    <xs:selector xpath="tn:Type" />
    <xs:field xpath="@name" />
  </xs:unique>
  <xs:unique name="uniqueTypeType">
    <xs:selector xpath="tn:Type" />
    <xs:field xpath="@xsi:type" />
  </xs:unique>
</xs:element>

While the uniqueTypeName works ok, the uniqueTypeType doesn't (xsi namespace is defined). Am I missing something or is it somehow prohibitted by design/specification or maybe it's a bug in libxml2?
Comment 1 GNOME Infrastructure Team 2021-07-05 13:23:20 UTC 
GNOME is going to shut down bugzilla.gnome.org in favor of gitlab.gnome.org.
As part of that, we are mass-closing older open tickets in bugzilla.gnome.org
which have not seen updates for a longer time (resources are unfortunately
quite limited so not every ticket can get handled).

If you can still reproduce the situation described in this ticket in a recent
and supported software version, then please follow
  https://wiki.gnome.org/GettingInTouch/BugReportingGuidelines
and create a new ticket at
  https://gitlab.gnome.org/GNOME/libxml2/-/issues/

Thank you for your understanding and your help.