sqc reports key not found on valid schema,
It seems to me that when the constraint and the key are not in global element it does not find them
error report
ERROR
file = file:C:/schemas/jdbc/Untitled7.xsd line 16 column 45
SEVERITY: 1
ERROR TYPE: 2
MESSAGE
Identity constraint (Key or Unique) http://y.y.z:key is not found.
<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSpy v2006 sp1 U (http://www.altova.com) by Mike Skells (Dept of Social Community & Family Affairs) -->
<xs:schema xmlns:local="http://y.y.z" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://y.y.z" elementFormDefault="unqualified" attributeFormDefault="unqualified">
<xs:complexType name="root-type">
<xs:sequence>
<xs:element name="child">
<xs:complexType>
<xs:sequence>
<xs:element name="sub">
<xs:complexType>
<xs:attribute name="sub-id" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:keyref name="ref" refer="local:key">
<xs:selector xpath="sub"/>
<xs:field xpath="@sub-id"/>
</xs:keyref>
<xs:key name="key">
<xs:selector xpath="sub"/>
<xs:field xpath="@sub-id"/>
</xs:key>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:element name="ok">
<xs:complexType>
<xs:sequence>
<xs:element name="sub">
<xs:complexType>
<xs:attribute name="sub-id" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:key name="key2">
<xs:selector xpath="sub"/>
<xs:field xpath="@sub-id"/>
</xs:key>
<xs:keyref name="ref2" refer="local:key2">
<xs:selector xpath="sub"/>
<xs:field xpath="@sub-id"/>
</xs:keyref>
</xs:element>
</xs:schema>
