view tests/misc-queries/test-query-plugin-output-types @ 24:18c42fbc1335

* Various fixes: ensure CSV feature writer closes files when finished with
  (rather than at end of run) to avoid running out of fds; bail properly
  with an exception with CSV writer can't write to output file; and other
  minor things

PREFIX vamp: <http://purl.org/ontology/vamp/>
PREFIX examples: <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins#>

SELECT ?output_id ?output_type ?feature_type ?event_type ?unit
FROM <http://vamp-plugins.org/rdf/plugins/vamp-example-plugins>

WHERE {
      ?plugin a vamp:Plugin .
      ?plugin vamp:identifier "percussiononsets" .
      ?plugin vamp:output_descriptor ?output .
      ?output vamp:identifier ?output_id .
      ?output a ?output_type .
      OPTIONAL { ?output vamp:computes_feature_type ?feature_type } .
      OPTIONAL { ?output vamp:computes_event_type ?event_type } .
      OPTIONAL { ?output vamp:unit ?unit } .
}