All, I have two applications: one uses Python with Sqlalchemy and the other uses Java with Hibernate. There is a slight mis-match between the joined table inheritance strategy: with Hibernate a discriminator is not required.
The Sqlalchemy documentation says, in the Joined Table Inheritance section (http://www.sqlalchemy.org/docs/05/mappers.html#joined-table- inheritance): "While there are some “tricks” to work around the requirement that there be a discriminator column, they are more complicated to configure when one wishes to load polymorphically." What are these tricks and where are they documented. I'm not really all that interested in polymorphic querying in the Python application. Thanks, Ian Johnson
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