Method bind_mapper

lib/sqlalchemy/orm/session.py:2641–2669

Associate a :class:`_orm.Mapper` or arbitrary Python class with a "bind", e.g. an :class:`_engine.Engine` or :class:`_engine.Connection`. The given entity is added to a lookup used by the :meth:`.Session.get_bind` method. :param mapper: a :class:`_orm.Mapper

(
        self, mapper: _EntityBindKey[_O], bind: _SessionBind
    )

                )

    def bind_mapper(
        self, mapper: _EntityBindKey[_O], bind: _SessionBind
    ) -> None:
        """Associate a :class:`_orm.Mapper` or arbitrary Python class with a
        "bind", e.g. an :class:`_engine.Engine` or
        :class:`_engine.Connection`.

        The given entity is added to a lookup used by the
        :meth:`.Session.get_bind` method.

        :param mapper: a :class:`_orm.Mapper` object,
         or an instance of a mapped
         class, or any Python class that is the base of a set of mapped
         classes.

        :param bind: an :class:`_engine.Engine` or :class:`_engine.Connection`
                    object.

        .. seealso::

            :ref:`session_partitioning`

            :paramref:`.Session.binds`

            :meth:`.Session.bind_table`


        """
        self._add_bind(mapper, bind)

    def bind_table(self, table: TableClause, bind: _SessionBind) -> None:
        """Associate a :class:`_schema.Table` with a "bind", e.g. an