On Oct 15, 11:37 am, "Heston James - Cold Beans" <[EMAIL PROTECTED]> wrote: > Quick question I hope guys. > > If I have an object which contains a bunch of children and cascade is set on > the relationships. When I add the parent object to the session and commit > it, are the children saved as part of a transaction by default? Or do I have > to do something special? > Yes, nothing special needs to be done.
> If I catch any exceptions and use Rollback() on the committal, will all > objects be rolled back? Of only the parent? > You would be within the same transaction, so everything would roll back. I did a quick test and confirmed against a pgdb. Now, if you later grab the parent and delete it, it has potential to leave those unassociated children lying around, if you don't want that I use cascade="all,delete-orphan" > Many thanks guys, sorry if that seems like a dumb question but I just want > to be sure. > > Cheers, > > Heston --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
