app/models/errdo/error.rb in errdo-0.12.9 vs app/models/errdo/error.rb in errdo-0.12.10

@@ -47,10 +47,10 @@
       end
       return params
     end
 
     def affected_users
-      error_occurrences.group("experiencer_id, experiencer_type").map(&:experiencer).compact
+      error_occurrences.group(:experiencer_id, :experiencer_type).select(:experiencer_id, :experiencer_type).map(&:experiencer).compact
     end
 
     def oldest_occurrence
       error_occurrences.order(created_at: :asc).limit(1).first
     end