thats diff. thing, see self-ref. relations http://www.sqlalchemy.org/docs/05/mappers.html#adjacency-list-relationships
On Monday 16 February 2009 11:18:59 一首诗 wrote: > Like this ? > ------------------------------------------------------------------- >----------------------------- class User(Base): > __tablename__ = 'users' > > id = Column(Integer, primary_key=True) > name = Column(String) > fullname = Column(String) > password = Column(String) > sons = relation('User', order_by='User.id', backref="parent") > > ------------------------------------------------------------------- >----------------------------- > > I got an Exception: > > sqlalchemy.exc.ArgumentError: Could not determine join condition > between parent/child tables on relation User.sons. Specify a > 'primaryjoin' expression. If this is a many-to-many relation, > 'secondaryjoin' is needed as well. > > On Feb 16, 5:08 pm, a...@svilendobrev.com wrote: > > put it as text, it will be eval()'uated later --~--~---------~--~----~------------~-------~--~----~ 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 sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---