Hi,
I am not quiet sure where to put the unique constraint. I have appended two
examples. The first one
works fine, the second one not. But I am not sure where is the difference?
I am just interested as the first does what I need. Can anybody explain?
Thanks Heike
-----------------------
works fine:
<xsd:element name="foo" type="FooType">
<xsd:unique name="blubSelector"> <-------------
unique here with xpath="bar"
<xsd:selector xpath="bar"/>
<xsd:field xpath="@id"/>
</xsd:unique>
</xsd:element>
<xsd:complexType name="FooType">
<xsd:sequence>
<xsd:element name="bar" type="BarType" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="BarType">
<xsd:attribute name="id" type="xsd:string"/>
</xsd:complexType>
------------------
does not work:
<xsd:element name="foo" type="FooType"/>
<xsd:complexType name="FooType">
<xsd:sequence>
<xsd:element name="bar" type="BarType" maxOccurs="unbounded"/>
<xsd:unique name="blubSelector">
<------------------- unique here with xpath "."
<xsd:selector xpath="."/>
<xsd:field xpath="@id"/>
</xsd:unique>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="BarType">
<xsd:attribute name="id" type="xsd:string"/>
</xsd:complexType>
------------
xml example
<foo>
<bar id="1"/>
<bar id="1"/>
</foo>
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