Module « sqlalchemy.orm »

Fonction backref - module sqlalchemy.orm

Signature de la fonction backref

def backref(name, **kwargs) 

Description

backref.__doc__

Create a back reference with explicit keyword arguments, which are the
    same arguments one can send to :func:`relationship`.

    Used with the ``backref`` keyword argument to :func:`relationship` in
    place of a string argument, e.g.::

        'items':relationship(
            SomeItem, backref=backref('parent', lazy='subquery'))

    .. seealso::

        :ref:`relationships_backref`