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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2015-11-19 15:24:22 -0500 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2015-11-19 15:24:22 -0500 |
| commit | 1dc805dd4d902b9204703f0bd6151c58f1f287af (patch) | |
| tree | 6945642c0e794fe3ba5f7bf6475c09513ba95c7a /lib/sqlalchemy/testing/assertions.py | |
| parent | 9ed36c2eed34b23560abe3cdf373c720b24d3b30 (diff) | |
| download | sqlalchemy-1dc805dd4d902b9204703f0bd6151c58f1f287af.tar.gz | |
- add documentation that describes, then proceeds to warn about
the many caveats and confusing effects of, the popular approach
of using contains_eager() to alter the natural result of a
related collection. I'm not a fan of this technique as it changes
the semantics of a relationship in such a way that the rest of the
ORM isn't aware of and it also can be undone very easily; hence the
section needs as much text for warnings as for describing the
technique itself. fixes #3563
Diffstat (limited to 'lib/sqlalchemy/testing/assertions.py')
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