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From "Sandy Gao (JIRA)" <xerces-j-...@xml.apache.org>
Subject [jira] [Resolved] (XERCESJ-1515) Incomplete keyrefs should not need keys
Date Mon, 30 May 2011 19:56:47 GMT

     [ https://issues.apache.org/jira/browse/XERCESJ-1515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Gao resolved XERCESJ-1515.
--------------------------------

    Resolution: Fixed

Fixed in both Schema 1.0 and 1.1.

> Incomplete keyrefs should not need keys
> ---------------------------------------
>
>                 Key: XERCESJ-1515
>                 URL: https://issues.apache.org/jira/browse/XERCESJ-1515
>             Project: Xerces2-J
>          Issue Type: Bug
>          Components: XML Schema 1.0 Structures, XML Schema 1.1 Structures
>    Affects Versions: 2.11.0
>            Reporter: Sandy Gao
>            Assignee: Sandy Gao
>
> For the following schema:
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
> 	<xs:element name="root">
> 		<xs:complexType><xs:sequence>
> 			<xs:element name="key" type="xs:string" minOccurs="0">
> 				<xs:key name="key">
> 					<xs:selector xpath="."/>
> 					<xs:field xpath="."/>
> 				</xs:key>
> 			</xs:element>
> 			<xs:element name="keyref">
> 				<xs:complexType>
> 					<xs:attribute name="att" type="xs:string"/>
> 				</xs:complexType>
>                         </xs:element>
> 		</xs:sequence></xs:complexType>
> 		<xs:keyref name="keyref" refer="key">
> 			<xs:selector xpath="keyref"/>
> 			<xs:field xpath="@att"/>
> 		</xs:keyref>
> 	</xs:element>
> </xs:schema>
> And XML:
> <root>
> 	<key>xyz</key>
> 	<keyref att="xyz"/>
> </root>
> This should be valid, because the key and keyref matches. And
> <root>
> 	<keyref att="xyz"/>
> </root>
> Should be invalid, because there is no key for the keyref. But
> <root>
> 	<keyref/>
> </root>
> Should be valid, because there is no "att" attribute present, so the keyref is incomplete
and doesn't need a key. But Xerces produces the error:
> [Error] ...:3:8: Identity Constraint error:  identity constraint "KeyRef@860d49" has
a keyref which refers to a key or unique that is out of scope.

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