Comment 35 for bug 1649317

Reviewed: https://review.openstack.org/446915
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=00785f68691df232049ed530d306a80408207ef6
Submitter: Jenkins
Branch: stable/newton

commit 00785f68691df232049ed530d306a80408207ef6
Author: Kevin Benton <email address hidden>
Date: Mon Jan 9 05:02:42 2017 -0800

    Switch to 'subquery' for 1-M relationships

    This switches to the use of subqueries for 1-m relationships
    which will result in a higher constant query factor but will
    eliminate the potential for cross-product explosions.

    Conflicts:
     neutron/db/models/l3.py
     neutron/db/models/metering.py
     neutron/db/models/segment.py
     neutron/db/models/tag.py
     neutron/db/models_v2.py
     neutron/plugins/ml2/models.py

    Closes-Bug: #1649317
    Change-Id: I6952c48236153a8e2f2f155375b70573ddc2cf0f
    (cherry picked from commit 54a3dd605a058f4ca18a783e8df46b67e0bd3489)