Fixed -- Made order_with_respect_to updates use QuerySet.bulk_update().
@@ -1782,11 +1782,9 @@ def method_set_order(self, ordered_obj, id_list, using=None):
using = DEFAULT_DB_ALIAS
order_wrt = ordered_obj._meta.order_with_respect_to
filter_args = order_wrt.get_forward_related_filter(self)
- # FIXME: It would be nice if there was an "update many" version of update
- # for situations like this.
- with transaction.atomic(using=using, savepoint=False):
- for i, j in enumerate(id_list):
- ordered_obj.objects.filter(pk=j, **filter_args).update(_order=i)
+ ordered_obj.objects.db_manager(using).filter(**filter_args).bulk_update([
+ ordered_obj(pk=pk, _order=order) for order, pk in enumerate(id_list)
+ ], ['_order'])
def method_get_order(self, ordered_obj):
