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Posted to dev@jena.apache.org by "Jan Martin Keil (Jira)" <ji...@apache.org> on 2019/09/02 12:54:00 UTC
[jira] [Created] (JENA-1750) ParameterizedSparqlString should
support UNDEF in values clause
Jan Martin Keil created JENA-1750:
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Summary: ParameterizedSparqlString should support UNDEF in values clause
Key: JENA-1750
URL: https://issues.apache.org/jira/browse/JENA-1750
Project: Apache Jena
Issue Type: Improvement
Reporter: Jan Martin Keil
In the class {{org.apache.jena.query.ParameterizedSparqlString}} the methodes
* {{setValues(String,Collection<? extends RDFNode>)}}
* {{setValues(String,RDFNode)}}
* {{setValues(Map<String,Collection<? extends RDFNode>>)}}
* {{setRowValues(String,Collection<List<? extends RDFNode>>)}}
should support the value [UNDEF|https://www.w3.org/TR/2013/REC-sparql11-query-20130321/#rDataBlockValue]. Currently, using null causes a {{NullPointerException}} and there is no implementation of {{RDFNode}} representing UNDEF.
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