code: def new(self, attribute, operation=ChainOperator.AND):
          
          if isinstance(operation, str):
              operation = ChainOperator(operation)
          self._chain = operation
          self._attribute = self._get_mapping(attribute) if attribute else None
          self._negation = False
          return self
docs: Combine with a new query
  
          :param str attribute: attribute of new query
          :param ChainOperator operation: operation to combine to new query
          :rtype: Query