code: def copy(self):
      '''Returns a copy of this query.'''
      if self.object_getattr is Query.object_getattr:
        other = Query(self.key)
      else:
        other = Query(self.key, object_getattr=self.object_getattr)
      other.limit = self.limit
      other.offset = self.offset
      other.offset_key = self.offset_key
      other.filters = self.filters
      other.orders = self.orders
      return othef copy(self):
      '''Returns a copy of this query.'''
      if self.object_getattr is Query.object_getattr:
        other = Query(self.key)
      else:
        other = Query(self.key, object_getattr=self.object_getattr)
      other.limit = self.limit
      other.offset = self.offset
      other.offset_key = self.offset_key
      other.filters = self.filters
      other.orders = self.orders
      return other
docs: Returns a copy of this query.