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Changes between Initial Version and Version 1 of Ticket #24921, comment 10

-              initial
+              v1
 For the ORM to function with autocommit off, we should change the `savepoint` parameter of `atomic` to add a third-value, `None` (three-valued booleans, grrr), which would mean "automatic" and be implemented as follows:
+{{{
     if self.savepoint is None:
         self.savepoint = not connection.in_atomic_block and not connection.get_autocommit()
+}}}
 In other words, it would mean "no savepoint, unless I'm the outermost atomic block in a connection that is already in a transaction, which means I can't use a plain transaction"