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[1.10.x] Fixed #24650 -- Documented how to change an unmanaged model to managed.

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Backport of 80c03b06ad from master
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Tim Graham
2016-08-23 17:35:42 -04:00
parent 4073780219
commit 6be255a22a
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docs/howto/writing-migrations.txt
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@@ -322,3 +322,12 @@ Also consider what you want to happen when the migration is unapplied. You
could either do nothing (as in the example above) or remove some or all of the could either do nothing (as in the example above) or remove some or all of the
data from the new application. Adjust the second argument of the data from the new application. Adjust the second argument of the
:mod:`~django.db.migrations.operations.RunPython` operation accordingly. :mod:`~django.db.migrations.operations.RunPython` operation accordingly.
Changing an unmanaged model to managed
======================================
If you want to change an unmanaged model (:attr:`managed=False
<django.db.models.Options.managed>`) to managed, you must remove
``managed=False`` and generate a migration before making other schema-related
changes to the model, since schema changes that appear in the migration that
contains the operation to change ``Meta.managed`` may not be applied.