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Classe « registry »

Méthode sqlalchemy.orm.registry.dispose

Signature de la méthode dispose

def dispose(self, cascade: 'bool' = False) -> 'None' 

Description

help(registry.dispose)

Dispose of all mappers in this :class:`_orm.registry`.

After invocation, all the classes that were mapped within this registry
will no longer have class instrumentation associated with them. This
method is the per-:class:`_orm.registry` analogue to the
application-wide :func:`_orm.clear_mappers` function.

If this registry contains mappers that are dependencies of other
registries, typically via :func:`_orm.relationship` links, then those
registries must be disposed as well. When such registries exist in
relation to this one, their :meth:`_orm.registry.dispose` method will
also be called, if the :paramref:`_orm.registry.dispose.cascade` flag
is set to ``True``; otherwise, an error is raised if those registries
were not already disposed.

.. versionadded:: 1.4.0b2

.. seealso::

    :func:`_orm.clear_mappers`

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