2010/1/16 Laurence Rowe <l...@lrowe.co.uk>:
> I'm still not sure this will allow me to add savepoint release support
> to zope.sqlalchemy, as SQLAlchemy has a concept of nested transactions
> rather than savepoints.
> http://groups.google.com/group/sqlalchemy/browse_thread/thread/7a4632587fd97724

Michael Bayer noted on the sqlalchemy group that on RELEASE SAVEPOINT
Postgresql destroys all subsequent savepoints. My branch now
implements this behaviour.

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