On Wed, Jul 3, 2013 at 7:30 PM, Michael Bayer <mike...@zzzcomputing.com>wrote:
> @event.listens_for(Gadget, "before_insert") > def before_gadget(mapper, connection, target): > target.machine_id = target.widget.machine_id > > > 2. when widget is updated, gadgets need new machine_id, here UPDATE is > probably best since the Gadget might not be part of the flush: > > @event.listens_for(Widget, "after_update") > def after_widget(mapper, connection, target): > connection.execute( > Gadget.__table__.update(). > values(machine_id=target.machine_id). > where(Gadget.widget_id == target.widget_id) > That works for me, thanks! -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/groups/opt_out.
