Method add_all

lib/sqlalchemy/orm/session.py:3491–3509

Add the given collection of instances to this :class:`_orm.Session`. See the documentation for :meth:`_orm.Session.add` for a general behavioral description. .. seealso:: :meth:`_orm.Session.add` :ref:`session_adding` - at :ref:`session_basics`

(self, instances: Iterable[object])

        self._save_or_update_state(state)

    def add_all(self, instances: Iterable[object]) -> None:
        """Add the given collection of instances to this :class:`_orm.Session`.

        See the documentation for :meth:`_orm.Session.add` for a general
        behavioral description.

        .. seealso::

            :meth:`_orm.Session.add`

            :ref:`session_adding` - at :ref:`session_basics`

        """

        if self._warn_on_events:
            self._flush_warning("Session.add_all()")

        for instance in instances:
            self.add(instance, _warn=False)

    def _save_or_update_state(self, state: InstanceState[Any]) -> None:
        state._orphaned_outside_of_session = False