Stephen Owens created JENA-1332:
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Summary: Possibly incorrect results from SPARQL with union and
filter not exists
Key: JENA-1332
URL: https://issues.apache.org/jira/browse/JENA-1332
Project: Apache Jena
Issue Type: Bug
Components: ARQ
Affects Versions: Jena 3.2.0
Reporter: Stephen Owens
The test case attached to this issue shows an unexpected SPARQL result. We
found the result while optimizing some SPARQL that had poor performance with
some OPTIONAL clauses. We thought the optimization was the same as the original
but in version 3.2.0 the result differs, it worked in 3.0.0.
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