Yitzhak Khabinsky created XERCESJ-1701:
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Summary: Xerces-J 2.12.0: XSD 1.1 PK constraint scalability issue
Key: XERCESJ-1701
URL: https://issues.apache.org/jira/browse/XERCESJ-1701
Project: Xerces2-J
Issue Type: Bug
Components: JAXP (javax.xml.validation)
Affects Versions: 2.12.0
Environment: Windows 10, 64-bit
Reporter: Yitzhak Khabinsky
Fix For: 2.12.0
Hello,
A test case is very simple:
* XML file, size 700 MB
* XSD file
XSD is enforcing the following:
* XML structure
* Data elements/attributes data types
* *PK constraint, composite primary key based on four elements*
* No asserts/assertions/CTAs
<xs:key name="PK">
<xs:selector xpath="r"/>
<xs:field xpath="CountryCode"/>
<xs:field xpath="Date"/>
<xs:field xpath="AnalyticsArrangementKey"/>
<xs:field xpath="PaymentType"/>
</xs:key>
Saxon Java EE runs XSD validation for 2 minutes
Xerces-J 2.12.0 cannot finish it at all, running for many hours.
If I comment out the xs:key constraint, Xerces has no problems to finish the
validation.
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