code: def eq_(self, value):
          ''' Creates a query expression where ``this field == value``
  
              .. note:: The prefered usage is via an operator: ``User.name == value``
          '''
          if isinstance(value, QueryField):
              return self.__cached_id == value.__cached_id
          return QueryExpression({ self : self.get_type().wrap_value(value) }f eq_(self, value):
          ''' Creates a query expression where ``this field == value``
  
              .. note:: The prefered usage is via an operator: ``User.name == value``
          '''
          if isinstance(value, QueryField):
              return self.__cached_id == value.__cached_id
          return QueryExpression({ self : self.get_type().wrap_value(value) })
docs: Creates a query expression where ``this field == value``
  
              .. note:: The prefered usage is via an operator: ``User.name == value``