Many thanks!
On Wednesday, March 28, 2018 at 6:42:16 PM UTC+3, Mike Bayer wrote:
>
> the backrefs intentionally don't keep fanning deep into object graph
> for this kind of thing, so if you want it to go one hop further you
> can add an event to do that directly:
>
> from sqlalchemy import
the backrefs intentionally don't keep fanning deep into object graph
for this kind of thing, so if you want it to go one hop further you
can add an event to do that directly:
from sqlalchemy import event
from sqlalchemy.orm import attributes
@event.listens_for(Address.user, "set")
def
Is it possible to make child objects (many-to-one side) delete itself from
the old parent's collection when it is added to a different parent?
See the file attached. The old parent remains unaware that he doesn't have
this child anymore.
P.S. session.expire() is an obvious solution but too
