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Mike Bayer
1e2f1f5baa
feature would cause an object's version counter to be incremented when there was no net change to the object's row, but instead an object related to it via relationship (e.g. typically many-to-one) were associated or de-associated with it, resulting in an UPDATE statement that updates the object's version counter and nothing else. In the use case where the relatively recent "server side" and/or "programmatic/conditional" version counter feature were used (e.g. setting version_id_generator to False), the bug could cause an UPDATE without a valid SET clause to be emitted. fixes #3465
