fixed uniqueness problem in archives

VERSION

@@ -1 +1 @@
-Version 2.00.0 (2012-07-17 10:35:39) dev
+Version 2.00.0 (2012-07-17 10:59:23) dev

gluon/dal.py

@@ -7130,10 +7130,8 @@ class Table(dict):
                 table = field
                 for field in table:
                     if not field.name in fieldnames and not field.type=='id':
-                        field = copy.copy(field)
-                        # correct self references
-                        if not table._actual and field.type == 'reference '+table._tablename:
-                            field.type = 'reference '+self._tablename
+                        t2 = not table._actual and self._tablename
+                        field = field.clone(point_self_references_to=t2)
                         newfields.append(field)
                         fieldnames.add(field.name)
             else:
@@ -7210,7 +7208,7 @@ class Table(dict):
         archive_table = archive_db.define_table(
             archive_name,
             Field(current_record,field_type),
-            self)
+            *[field.close(unique=False) for field in self])
         self._before_update.append(
             lambda qset,fs,at=archive_table,cn=current_record:
                 archive_record(qset,fs,at,cn))
@@ -8038,6 +8036,14 @@ class Field(Expression):
         else:
             self.requires = requires
 
+    def clone(self,point_self_references_to=False,**args):
+        field = copy.copy(self)
+        if point_self_references_to and \
+                field.type == 'reference %s'+field._tablename:
+            field.type = 'reference %s' % point_self_references_to
+        field.__dict__.update(args)
+        return field
+
     def store(self, file, filename=None, path=None):
         if self.custom_store:
             return self.custom_store(file,filename,path)

gluon/tools.py

@@ -3029,9 +3029,10 @@ class Auth(object):
             if archive_table_name in table._db:
                 archive_table = table._db[archive_table_name]
             else:
-                archive_table = table._db.define_table(archive_table_name,
-                                                       Field(current_record,table),
-                                                       table)
+                archive_table = table._db.define_table(
+                    archive_table_name,
+                    Field(current_record,table),
+                    *[field.close(unique=False) for field in table])
         new_record = {current_record:form.vars.id}
         for fieldname in archive_table.fields:
             if not fieldname in ['id',current_record]: