Jan Martin Keil created JENA-1752:
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Summary: QueryBuilders should support (NOT) EXISTS clause
Key: JENA-1752
URL: https://issues.apache.org/jira/browse/JENA-1752
Project: Apache Jena
Issue Type: Improvement
Reporter: Jan Martin Keil
To support (NOT) EXISTS clauses, I propose to add to the classes
* {{org.apache.jena.arq.querybuilder.AskBuilder}}
* {{org.apache.jena.arq.querybuilder.ConstructBuilder}}
* {{org.apache.jena.arq.querybuilder.SelectBuilder}}
the following methods
* {{addExists(Element el)}}
* {{addNotExists(Element el)}}
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