code: def dont_load(self, *fields):
          '''Works like :meth:`load_only` to provides a
  :ref:`performance boost <increase-performance>` in cases when you need
  to load all fields except a subset specified by *fields*.
  '''
          q = self._clone()
          fs = unique_tuple(q.exclude_fields, fields)
          q.exclude_fields = fs if fs else None
          return f dont_load(self, *fields):
          '''Works like :meth:`load_only` to provides a
  :ref:`performance boost <increase-performance>` in cases when you need
  to load all fields except a subset specified by *fields*.
  '''
          q = self._clone()
          fs = unique_tuple(q.exclude_fields, fields)
          q.exclude_fields = fs if fs else None
          return q
docs: Works like :meth:`load_only` to provides a
  :ref:`performance boost <increase-performance>` in cases when you need
  to load all fields except a subset specified by *fields*.