Thanks. The subquery approach works fine.
My class is named 'Caso' (Case, in english)
I included at the mapper:
subq2=aliased(subq1)
CasoMapper = mapper(Caso, caso, properties=
{
'LinkedNodes':relation(Caso, secondary=subq2,
I have a Self-Referential Many-to-Many Relationship situation where the
right_nodes = relationship(Node,
secondary=node_to_node,
primaryjoin=id==node_to_node.c.left_node_id,
secondaryjoin=id==node_to_node.c.right_node_id,
On Aug 20, 2012, at 6:07 PM, adolfo wrote:
I have a Self-Referential Many-to-Many Relationship situation where the
right_nodes = relationship(Node,
secondary=node_to_node,
primaryjoin=id==node_to_node.c.left_node_id,
Thanks Michael.
The question is: how can I use that trick as a relation?
I can do:
session.query(Node).outerjoin(Node.right_nodes)
and
session.query(Node).outerjoin(Node.left_nodes)
but not
session.query(Node).outerjoin(Node.all_nodes)
and that is what I'm looking for. I mean the
On Aug 20, 2012, at 7:08 PM, adolfo wrote:
Thanks Michael.
The question is: how can I use that trick as a relation?
I can do:
session.query(Node).outerjoin(Node.right_nodes)
and
session.query(Node).outerjoin(Node.left_nodes)
but not
