1 <?xml version="1.0"?> 2 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> 3 4 <xsd:simpleType name="myDecimal"> 5 <xsd:restriction base="xsd:decimal"> 6 <xsd:totalDigits value="18"/> 7 </xsd:restriction> 8 </xsd:simpleType> 9 10 <xsd:element name="foo"> 11 <xsd:complexType> 12 <xsd:sequence> 13 <xsd:element name="val" type="myDecimal" maxOccurs="unbounded"/> 14 <xsd:element name="ref" type="myDecimal" minOccurs="0"/> 15 </xsd:sequence> 16 </xsd:complexType> 17 18 <!--xsd:key name="myKey"> 19 <xsd:selector xpath="val"/> 20 <xsd:field xpath="."/> 21 </xsd:key> 22 23 <xsd:keyref name="myKeyRef" refer="myKey"> 24 <xsd:selector xpath="ref"/> 25 <xsd:field xpath="."/> 26 </xsd:keyref--> 27 </xsd:element> 28 29 </xsd:schema> 30
