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@ -387,10 +387,11 @@ perform an update on all fields.
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Specifying ``update_fields`` will force an update.
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Specifying ``update_fields`` will force an update.
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When saving a model fetched through deferred model loading
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When saving a model fetched through deferred model loading
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(:meth:`~Model.only()` or :meth:`~Model.defer()`) only the fields loaded from
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(:meth:`~django.db.models.query.QuerySet.only()` or
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the DB will get updated. In effect there is an automatic ``update_fields`` in
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:meth:`~django.db.models.query.QuerySet.defer()`) only the fields loaded
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this case. If you assign or change any deferred field value, these fields will
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from the DB will get updated. In effect there is an automatic
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be added to the updated fields.
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``update_fields`` in this case. If you assign or change any deferred field
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value, the field will be added to the updated fields.
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Deleting objects
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Deleting objects
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================
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================
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