Index: ERP5/Document/BusinessTemplate.py
===================================================================
--- ERP5/Document/BusinessTemplate.py	(copie de travail)
+++ ERP5/Document/BusinessTemplate.py	(copie de travail)
@@ -179,6 +179,8 @@
           'connection_id for Z SQL Method %s is invalid, using %s' % (
                     method.getId(), sql_connection_list[0]))
       method.connection_id = sql_connection_list[0]
+  # computes the template
+  method.template = method.template_class(method.src)
 
 class BusinessTemplateArchive:
   """
@@ -452,6 +454,7 @@
                   'workflow_history', '__ac_local_roles__' ]
     attr_list += {
         'Script (Python)': ('_lazy_compilation', 'Python_magic'),
+        'Z SQL Method': ('template',),
       }.get(meta_type, ())
 
     for attr in attr_list: