Is there something easier than ORM?

J. Cliff Dyer jcd at sdf.lonestar.org
Tue Feb 17 16:27:57 CET 2009


On Tue, 2009-02-17 at 06:15 -0800, 一首诗 wrote:
> Thanks for your reply.
> 
> With sqlalchemy, an mapped must living in a session, you have no way
> to disconnect it with its session.
> 
> For example :
> 
> #-------------------------------------
> user = session.query(User).first()
> session.expunge(user)
> print user.name   #Error here
> #-------------------------------------
> 
> I just want to get an read-only copy of user disconnected with session
> to avoid  unexpected database operation.
> But after expunge, properties of user is not accessible anymore.

For that, the Right Thing to Do(tm) is to log in to your session with
read-only permissions.






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