Index: app/helpers/issues_helper.rb
===================================================================
--- app/helpers/issues_helper.rb	(révision 2478)
+++ app/helpers/issues_helper.rb	(copie de travail)
@@ -220,10 +220,18 @@
     options[:only_path] = (options[:only_path] == false ? false : true)
     strings = []
     values_by_field = {}
+    # Smile specific : optimization, do not reload the custom field multiple time
+    cfs = {}
     details.each do |detail|
       if detail.property == 'cf'
         field_id = detail.prop_key
-        field = CustomField.find_by_id(field_id)
+        # Smile specific : optimization
+        field = cfs[field_id]
+        if field.nil?
+          field = CustomField.find_by_id(field_id)
+          cfs[field_id] = field
+        end
+        # END -- Smile specific : optimization
         if field && field.multiple?
           values_by_field[field_id] ||= {:added => [], :deleted => []}
           if detail.old_value