I started off with using only the SQL-API part of SA myself, but the ORM is
way too good to ignore, and I've since converted piles of code over to using
the ORM, typically with a 50% loss in lines of code and while getting much
better code reuse.
The "query as a mapper-aware select" orientation of
Deferred column loading is exactly what I needed, thanks Rick!
Coming from a pure SQL background I'm starting to get familiar with
all this new ORM and SQLAlchemy terminology. It's worth it though, the
code is so much cleaner and more maintainable than stringing together
huge complicated SQL quer
Sounds like you want deferred loading for the column:
http://www.sqlalchemy.org/docs/04/mappers.html#advdatamapping_mapper_deferred
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