Here is an update to the original that now works, implementing Mike's
solution of a single table inheritance for the association object.
Thank you again!
from sqlalchemy import Column, ForeignKey, Enum, Text, Integer,
create_engine
from sqlalchemy.orm import relationship, backref, sessionmaker
the enum, if that were a concern.
Thanks for the tip. I thought I might be going about it the wrong way, and
I'll have a go at implementing your suggestion.
Regards,
--
Jason Armstrong
--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
Hello everyone,
I am modelling a relationship between two groups which is a many-to-many
relationship, with an additional constraint.
I have an Employer and a Worker class. Employers can have a relationship to
a worker in a number of ways, which
I'm representing by an enum: Contractor, Employee,