Hi,
the model.save() arguments `force_update` and `update_fields` cause an
explicit check if the update statement matched any rows.
Every once in a while one of my applications runs into a race condition
where one process does an update (with one of the flags) and another just
removed an objec
In my Django web app (running on Google App Engine), when a new user signs
up a User object is created and then that user is authenticated and logged
in. Every once in a while, the login function throws an exception
(DatabaseError: Save with update_fields did not affect any rows) and I'm
not
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