Classe « Mapper »

Méthode sqlalchemy.orm.Mapper.polymorphic_iterator

Signature de la méthode polymorphic_iterator

def polymorphic_iterator(self) 

Description

polymorphic_iterator.__doc__

Iterate through the collection including this mapper and
        all descendant mappers.

        This includes not just the immediately inheriting mappers but
        all their inheriting mappers as well.

        To iterate through an entire hierarchy, use
        ``mapper.base_mapper.polymorphic_iterator()``.