because SurveySession extends from TreeNode, you have to disambiguate
SurveySession.id from TreeNode.id:
class SurveySession(TreeNode):
__tablename__ = "session"
__mapper_args__ = dict(polymorphic_identity="session")
survey_id = schema.Column('id', types.Integer(), primary_key=True
Previously Michael Bayer wrote:
>
>
> On May 18, 2009, at 7:01 AM, Wichert Akkerman wrote:
>
> >
> >session = orm.relation("SurveySession", cascade="all",
> >remote_side=["SurveySession.id"],
> >primaryjoin="SurveySession.id==TreeNode.session_id")
> >parent = orm
On May 18, 2009, at 7:01 AM, Wichert Akkerman wrote:
>
>session = orm.relation("SurveySession", cascade="all",
>remote_side=["SurveySession.id"],
>primaryjoin="SurveySession.id==TreeNode.session_id")
>parent = orm.relation("TreeNode", cascade="all",
>r
