> We haven't been doing this (intentionally) for quite some time, as we
> query and fill metadata linearly:
> https://github.com/openstack/nova/blob/master/nova/db/sqlalchemy/api.py#L2244
> and have since 2013 (Havana):
> https://review.openstack.org/#/c/26136/
> So unless there has been a regression that is leaking those columns back
> into the join list, I'm not sure why the query you show would be
> generated.

Ah, Matt Riedemann just pointed out on IRC that we're not doing it on
single-instance fetch, which is what you'd be hitting in this path. We
use that approach in a lot of places where the rows would also be
multiplied by the number of instances, but not in the single case. So,
that makes sense now.


OpenStack Development Mailing List (not for usage questions)
Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe

Reply via email to