The manager and direct reports example was just what my project needed. I'm looking forward to upgrading to 0.5 in the future so that I don't have to enter redundant primaryjoin and secondaryjoin on the backref.
Thank you Mike! On Jun 28, 1:10 am, Tom Hogarty <[EMAIL PROTECTED]> wrote: > Wow, thank you very much for the detailed example. It looks like just > what I need. I look forward to trying it out very soon. > > -Tom > > On Jun 27, 6:12 pm, Michael Bayer <[EMAIL PROTECTED]> wrote: > > > > > this relation will require you to configure primaryjoin and > > secondaryjoin (it should be raising an error without them). an > > example is attached. > > > test.py > > 1KDownload > > > On Jun 27, 2008, at 5:30 PM, Tom Hogarty wrote: > > > > Hello, > > > > I have the following scenario where I want the same class/table on > > > both sides of a relation. > > > > person table > > > - id > > > - name > > > > manager table > > > - person_id > > > - manager_id > > > > I define both tables and a Person class, then create a relation in the > > > person mapper like: > > > 'manager' : relation(Person, secondary=managers, > > > backref='direct_reports') > > > > When I do this, the 'manager' attribute doesn't show up in Person > > > objects when I query on people. The error I get is: > > > AttributeError: 'Person' object has no attribute 'manager' > > > # query is something like > > > session.query(Person).filter_by(name='Joe').one() > > > > Any hints on how I can do this. I have other basic relations working > > > (1-1, 1-M, M-1) but they all have different classes/tables on each end > > > of the relation. > > > > Regards, > > > > -Tom- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
