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• optionals_simplestWithConditional.rq

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com.bigdata.rdf.sparql.ast.eval.optionals_simplestWithConditional.rq Maven / Gradle / Ivy

prefix :  
prefix rdf:  

select *
where {
  ?a :knows ?b .
  OPTIONAL {
    ?b :knows ?c .
    ?c :knows ?d .
    filter(?a != :paul) # Note: filter applies to variable in the outer group.
  }
}