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  1. Blazegraph (by SYSTAP)
  2. BLZG-490

UnsupportedOperatorException for some SPARQL queries

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      Description

      I have noticed a few types of queries that Bigdata does not accept, and for which it will throw an UnsupportedOperatorException. It seems that Bigdata is picky about were it accepts SingletonSet and EmptySet tuple expressions. Example of a failing query:

      SELECT ?b { {} union { ?a ?b ?c } }

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          • Assignee:
            mikepersonick mikepersonick
            Reporter:
            gjdev gjdev
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