base/app/models/actor.rb in social_stream-0.12.10 vs base/app/models/actor.rb in social_stream-0.12.11

@@ -204,10 +204,12 @@
   #
   def contact_actors(options = {})
     subject_types   = Array(options[:type] || self.class.subtypes)
     subject_classes = subject_types.map{ |s| s.to_s.classify }
     
-    as = Actor.group(:id).
+    as = Actor.select('actors.*').
+               # PostgreSQL requires that all the columns must be included in the GROUP BY
+               group((Actor.columns.map(&:name).map{ |c| "actors.#{ c }" } + [ "contacts.created_at" ]).join(", ")).
                where('actors.subject_type' => subject_classes)
 
     if options[:load_subjects].nil? || options[:load_subjects]
       as = as.includes(subject_types)
     end