view tests/misc-queries/test-roqet @ 19:bd1deebe1129

* Set track metadata only if non-empty (the RDF feature writer tests for
  existence rather than non-emptiness when determining whether to write
  a track)

PREFIX : <file:///work/runner/transforms/test.n3#>

SELECT ?result ?mand

FROM <file:///work/runner/transforms/test.n3>

WHERE {
  ?result :mand ?mand .
  OPTIONAL { ?result :opt1 ?opt1 } .
  OPTIONAL { ?result :opt2 ?opt2 } .
}