Hello all,

I've made some modifications to the directed graph[1] example, of
primary interest to this email being the introduction Manufacturer
objects which act as owners of Nodes. My desire is to cascade the
deletion of a Manufacturer down to every Node and Edge, even if the
side of one Edge is owned by another Manufacturer.

I have placed my full question, along with source code, on
StackOverflow, here:
http://stackoverflow.com/questions/3325035/sqlalchemy-unexpected-behavior-with-cascading-delete-in-directed-graph

I would very much appreciate any help. I am quite stuck.

Thank you,
Brian L. Troutwine

[1] http://www.sqlalchemy.org/docs/examples.html#module-graphs

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