tasks/paperclip_tasks.rake in thoughtbot-paperclip-2.2.2 vs tasks/paperclip_tasks.rake in thoughtbot-paperclip-2.2.3

@@ -15,10 +15,10 @@
 end
 
 def for_all_attachments
   klass = obtain_class
   names = obtain_attachments
-  ids   = klass.connection.select_values("SELECT #{klass.primary_key} FROM #{klass.table_name}")
+  ids   = klass.connection.select_values(klass.send(:construct_finder_sql, :select => 'id'))
 
   ids.each do |id|
     instance = klass.find(id)
     names.each do |name|
       result = if instance.send("#{ name }?")