parser11.rb in sparql-2.2.0

- old
+ new

@@ -605,10 +605,16 @@
       if !Array(data[:pattern]).empty?
         query = SPARQL::Algebra::Operator::BGP.new
         Array(data[:pattern]).each {|p| query << p}
 
         # Append triples from ('.' TriplesBlock? )?
-        Array(data[:query]).each {|q| query += q}
+        Array(data[:query]).each do |q|
+          if q.respond_to?(:patterns)
+            query += q
+          else
+            query = SPARQL::Algebra::Operator::Join.new(query, q)
+          end
+        end
         if (lhs = (input.delete(:query) || []).first) && !lhs.empty?
           query = SPARQL::Algebra::Expression.for(:join, lhs, query)
         end
         add_prod_datum(:query, query)
       else