Comment 6 for bug 1832164

Reviewed: https://review.opendev.org/671532
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=b12d16683637a0fd3ded1c02c6c4d69d7ca00aaa
Submitter: Zuul
Branch: stable/stein

commit b12d16683637a0fd3ded1c02c6c4d69d7ca00aaa
Author: Takashi NATSUME <email address hidden>
Date: Mon Jun 10 13:07:15 2019 +0900

    Replace joinedload_all with joinedload

    Replace sqlalchemy.orm.joinedload_all with
    sqlalchemy.orm.joinedload called within a
    new method _joinedload_all that makes multiple
    calls to orm.joinedload.

    'joinedload_all' has been deprecated since
    sqlalchemy version 0.9.0, and now makes a
    lot of warning noises.

    Change-Id: I7a30efa8ceb21e02e71d8c15bf979bb66470ef91
    Closes-Bug: #1832164
    (cherry picked from commit 658e35cad4598113dd94fb4c685a06c7439b5a36)