Loading docs/topics/migrations.txt +5 −0 Original line number Diff line number Diff line Loading @@ -389,6 +389,11 @@ need to do is use the historical model and iterate over the rows:: Once that's done, we can just run ``python manage.py migrate`` as normal and the data migration will run in place alongside other migrations. You can pass a second callable to :class:`~django.db.migrations.operations.RunPython` to run whatever logic you want executed when migrating backwards. If this callable is omitted, migrating backwards will raise an exception. If you're interested in the more advanced migration operations, or want to be able to write your own, see the :doc:`migration operations reference </ref/migration-operations>`. Loading Loading
docs/topics/migrations.txt +5 −0 Original line number Diff line number Diff line Loading @@ -389,6 +389,11 @@ need to do is use the historical model and iterate over the rows:: Once that's done, we can just run ``python manage.py migrate`` as normal and the data migration will run in place alongside other migrations. You can pass a second callable to :class:`~django.db.migrations.operations.RunPython` to run whatever logic you want executed when migrating backwards. If this callable is omitted, migrating backwards will raise an exception. If you're interested in the more advanced migration operations, or want to be able to write your own, see the :doc:`migration operations reference </ref/migration-operations>`. Loading
