Simplify and make a single query

includes/orphaned_objects.inc

@@ -140,29 +140,17 @@ function islandora_orphaned_objects_get_orphaned_objects() {
   $connection = islandora_get_tuque_connection();
   // First query: get standard objects.
   $object_query = <<<EOQ
-SELECT ?object ?collection ?title
+SELECT ?object ?otherobject ?title ?p
 WHERE {
   ?object <fedora-model:hasModel> <info:fedora/fedora-system:FedoraObject-3.0> ;
-               <fedora-rels-ext:isMemberOfCollection> ?collection .
-  ?object <fedora-model:label> ?title;
-  OPTIONAL {
-    ?collection <fedora-model:hasModel> ?model .
-  }
-  FILTER(!bound(?model))
-}
-EOQ;
-  // Second query: get paged objects.
-  $paged_query = <<<EOQ
-SELECT ?object ?book ?title
-WHERE {
-  ?object <fedora-model:hasModel> <info:fedora/fedora-system:FedoraObject-3.0> ;
-             <fedora-rels-ext:isMemberOf> ?book .
-  ?object <fedora-model:label> ?title;
-  OPTIONAL {
-    ?book <fedora-model:hasModel> ?model .
-  }
+               ?p ?otherobject .
+   ?object <fedora-model:label> ?title;
+   FILTER( regex( str(?p), "/fedora-system:def/relations-external#"))
+   OPTIONAL {
+     ?otherobject <fedora-model:hasModel> ?model .
+   }
    FILTER(!bound(?model))
-  }
+}
 EOQ;
   $optionals = (array) module_invoke('islandora_xacml_api', 'islandora_basic_collection_get_query_optionals', 'view');
   $filter_modules = array(
@@ -181,14 +169,7 @@ EOQ;
     '!optionals' => !empty($optionals) ? ('OPTIONAL {{' . implode('} UNION {', $optionals) . '}}') : '',
     '!filters' => !empty($filters) ? implode(' ', array_map($filter_map, $filters)) : '',
   ));
-  $sparql_query_paged = format_string($paged_query, array(
-    '!optionals' => !empty($optionals) ? ('OPTIONAL {{' . implode('} UNION {', $optionals) . '}}') : '',
-    '!filters' => !empty($filters) ? implode(' ', array_map($filter_map, $filters)) : '',
-  ));
-  $object_results = $connection->repository->ri->sparqlQuery($sparql_query_objects);
-  $paged_results = $connection->repository->ri->sparqlQuery($sparql_query_paged);
-  // Merge results of both queries into a single variable and return.
-  $results = array_merge($object_results, $paged_results);
+  $results = $connection->repository->ri->sparqlQuery($sparql_query_objects);
   return $results;
 }