Brian McBride created JENA-430:
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Summary: Incorrect query results from TDB with FILTER NOT EXISTS
containing a filter
Key: JENA-430
URL: https://issues.apache.org/jira/browse/JENA-430
Project: Apache Jena
Issue Type: Bug
Components: TDB
Affects Versions: TDB 0.9.4
Environment: Windows 8
Reporter: Brian McBride
TDB is producing incorrect results processing queries containing FILTER NOT
EXISTS clauses with an inner filter, such as
PREFIX : <http://example.com/>
SELECT * WHERE {
?x :p ?n
FILTER NOT EXISTS {
?x :q ?m .
FILTER(?n = ?m)
}
}
an example taken from the spec. In this case it produces no results when it
should produce one.
I'll attach a test case in moment - which produces the correct result when the
query is run on a memory model and incorrect one (no results) when run on TDB.
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